Mercurial > public > mercurial-scm > hg

annotate mercurial/copies.py @ 46150:a132aa5979ec

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
copies: no longer cache the ChangedFiles during copy tracing Now that the copies information for both parents are processed all at once, we no longer needs to cache this information, so we simplify the code. The simpler code is also a (tiny) bit faster overall. Repo Case Source-Rev Dest-Rev # of revisions old time new time Difference Factor time per rev --------------------------------------------------------------------------------------------------------------------------------------------------------------- mercurial x_revs_x_added_0_copies ad6b123de1c7 39cfcef4f463 : 1 revs, 0.000041 s, 0.000041 s, +0.000000 s, ? 1.0000, 41 ?s/rev mercurial x_revs_x_added_x_copies 2b1c78674230 0c1d10351869 : 6 revs, 0.000102 s, 0.000096 s, -0.000006 s, ? 0.9412, 16 ?s/rev mercurial x000_revs_x000_added_x_copies 81f8ff2a9bf2 dd3267698d84 : 1032 revs, 0.004254 s, 0.004039 s, -0.000215 s, ? 0.9495, 3 ?s/rev pypy x_revs_x_added_0_copies aed021ee8ae8 099ed31b181b : 9 revs, 0.000282 s, 0.000189 s, -0.000093 s, ? 0.6702, 21 ?s/rev pypy x_revs_x000_added_0_copies 4aa4e1f8e19a 359343b9ac0e : 1 revs, 0.000048 s, 0.000047 s, -0.000001 s, ? 0.9792, 47 ?s/rev pypy x_revs_x_added_x_copies ac52eb7bbbb0 72e022663155 : 7 revs, 0.000211 s, 0.000103 s, -0.000108 s, ? 0.4882, 14 ?s/rev pypy x_revs_x00_added_x_copies c3b14617fbd7 ace7255d9a26 : 1 revs, 0.000375 s, 0.000286 s, -0.000089 s, ? 0.7627, 286 ?s/rev pypy x_revs_x000_added_x000_copies df6f7a526b60 a83dc6a2d56f : 6 revs, 0.010574 s, 0.010436 s, -0.000138 s, ? 0.9869, 1739 ?s/rev pypy x000_revs_xx00_added_0_copies 89a76aede314 2f22446ff07e : 4785 revs, 0.049974 s, 0.047465 s, -0.002509 s, ? 0.9498, 9 ?s/rev pypy x000_revs_x000_added_x_copies 8a3b5bfd266e 2c68e87c3efe : 6780 revs, 0.084300 s, 0.082351 s, -0.001949 s, ? 0.9769, 12 ?s/rev pypy x000_revs_x000_added_x000_copies 89a76aede314 7b3dda341c84 : 5441 revs, 0.060128 s, 0.058757 s, -0.001371 s, ? 0.9772, 10 ?s/rev pypy x0000_revs_x_added_0_copies d1defd0dc478 c9cb1334cc78 : 43645 revs, 0.686542 s, 0.674129 s, -0.012413 s, ? 0.9819, 15 ?s/rev pypy x0000_revs_xx000_added_0_copies bf2c629d0071 4ffed77c095c : 2 revs, 0.009277 s, 0.009434 s, +0.000157 s, ? 1.0169, 4717 ?s/rev pypy x0000_revs_xx000_added_x000_copies 08ea3258278e d9fa043f30c0 : 11316 revs, 0.114733 s, 0.111935 s, -0.002798 s, ? 0.9756, 9 ?s/rev netbeans x_revs_x_added_0_copies fb0955ffcbcd a01e9239f9e7 : 2 revs, 0.000081 s, 0.000078 s, -0.000003 s, ? 0.9630, 39 ?s/rev netbeans x_revs_x000_added_0_copies 6f360122949f 20eb231cc7d0 : 2 revs, 0.000107 s, 0.000106 s, -0.000001 s, ? 0.9907, 53 ?s/rev netbeans x_revs_x_added_x_copies 1ada3faf6fb6 5a39d12eecf4 : 3 revs, 0.000173 s, 0.000162 s, -0.000011 s, ? 0.9364, 54 ?s/rev netbeans x_revs_x00_added_x_copies 35be93ba1e2c 9eec5e90c05f : 9 revs, 0.000698 s, 0.000695 s, -0.000003 s, ? 0.9957, 77 ?s/rev netbeans x000_revs_xx00_added_0_copies eac3045b4fdd 51d4ae7f1290 : 1421 revs, 0.009248 s, 0.008901 s, -0.000347 s, ? 0.9625, 6 ?s/rev netbeans x000_revs_x000_added_x_copies e2063d266acd 6081d72689dc : 1533 revs, 0.015446 s, 0.014333 s, -0.001113 s, ? 0.9279, 9 ?s/rev netbeans x000_revs_x000_added_x000_copies ff453e9fee32 411350406ec2 : 5750 revs, 0.074373 s, 0.071998 s, -0.002375 s, ? 0.9681, 12 ?s/rev netbeans x0000_revs_xx000_added_x000_copies 588c2d1ced70 1aad62e59ddd : 66949 revs, 0.639870 s, 0.615346 s, -0.024524 s, ? 0.9617, 9 ?s/rev mozilla-central x_revs_x_added_0_copies 3697f962bb7b 7015fcdd43a2 : 2 revs, 0.000088 s, 0.000085 s, -0.000003 s, ? 0.9659, 42 ?s/rev mozilla-central x_revs_x000_added_0_copies dd390860c6c9 40d0c5bed75d : 8 revs, 0.000199 s, 0.000199 s, +0.000000 s, ? 1.0000, 24 ?s/rev mozilla-central x_revs_x_added_x_copies 8d198483ae3b 14207ffc2b2f : 9 revs, 0.000171 s, 0.000169 s, -0.000002 s, ? 0.9883, 18 ?s/rev mozilla-central x_revs_x00_added_x_copies 98cbc58cc6bc 446a150332c3 : 7 revs, 0.000592 s, 0.000590 s, -0.000002 s, ? 0.9966, 84 ?s/rev mozilla-central x_revs_x000_added_x000_copies 3c684b4b8f68 0a5e72d1b479 : 3 revs, 0.003151 s, 0.003122 s, -0.000029 s, ? 0.9908, 1040 ?s/rev mozilla-central x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 0.061612 s, 0.061192 s, -0.000420 s, ? 0.9932, 10198 ?s/rev mozilla-central x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.005381 s, 0.005137 s, -0.000244 s, ? 0.9547, 3 ?s/rev mozilla-central x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.003742 s, 0.003585 s, -0.000157 s, ? 0.9580, 87 ?s/rev mozilla-central x000_revs_x000_added_x000_copies 7c97034feb78 4407bd0c6330 : 7839 revs, 0.061983 s, 0.060592 s, -0.001391 s, ? 0.9776, 7 ?s/rev mozilla-central x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 0.019861 s, 0.019596 s, -0.000265 s, ? 0.9867, 31 ?s/rev mozilla-central x0000_revs_xx000_added_x000_copies f78c615a656c 96a38b690156 : 30263 revs, 0.188101 s, 0.183558 s, -0.004543 s, ? 0.9758, 6 ?s/rev mozilla-central x00000_revs_x0000_added_x0000_copies 6832ae71433c 4c222a1d9a00 : 153721 revs, 1.806696 s, 1.758083 s, -0.048613 s, ? 0.9731, 11 ?s/rev mozilla-central x00000_revs_x00000_added_x000_copies 76caed42cf7c 1daa622bbe42 : 204976 revs, 2.682987 s, 2.592955 s, -0.090032 s, ? 0.9664, 12 ?s/rev mozilla-try x_revs_x_added_0_copies aaf6dde0deb8 9790f499805a : 2 revs, 0.000852 s, 0.000844 s, -0.000008 s, ? 0.9906, 422 ?s/rev mozilla-try x_revs_x000_added_0_copies d8d0222927b4 5bb8ce8c7450 : 2 revs, 0.000859 s, 0.000861 s, +0.000002 s, ? 1.0023, 430 ?s/rev mozilla-try x_revs_x_added_x_copies 092fcca11bdb 936255a0384a : 4 revs, 0.000150 s, 0.000150 s, +0.000000 s, ? 1.0000, 37 ?s/rev mozilla-try x_revs_x00_added_x_copies b53d2fadbdb5 017afae788ec : 2 revs, 0.001158 s, 0.001166 s, +0.000008 s, ? 1.0069, 583 ?s/rev mozilla-try x_revs_x000_added_x000_copies 20408ad61ce5 6f0ee96e21ad : 1 revs, 0.027240 s, 0.027359 s, +0.000119 s, ? 1.0044, 27359 ?s/rev mozilla-try x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 0.062824 s, 0.061848 s, -0.000976 s, ? 0.9845, 10308 ?s/rev mozilla-try x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.005463 s, 0.005110 s, -0.000353 s, ? 0.9354, 3 ?s/rev mozilla-try x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.004238 s, 0.004168 s, -0.000070 s, ? 0.9835, 101 ?s/rev mozilla-try x000_revs_x000_added_x000_copies 1346fd0130e4 4c65cbdabc1f : 6657 revs, 0.064113 s, 0.063414 s, -0.000699 s, ? 0.9891, 9 ?s/rev mozilla-try x0000_revs_x_added_0_copies 63519bfd42ee a36a2a865d92 : 40314 revs, 0.294063 s, 0.288301 s, -0.005762 s, ? 0.9804, 7 ?s/rev mozilla-try x0000_revs_x_added_x_copies 9fe69ff0762d bcabf2a78927 : 38690 revs, 0.281493 s, 0.275798 s, -0.005695 s, ? 0.9798, 7 ?s/rev mozilla-try x0000_revs_xx000_added_x_copies 156f6e2674f2 4d0f2c178e66 : 8598 revs, 0.076323 s, 0.074640 s, -0.001683 s, ? 0.9779, 8 ?s/rev mozilla-try x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 0.020390 s, 0.020327 s, -0.000063 s, ? 0.9969, 33 ?s/rev mozilla-try x0000_revs_xx000_added_x000_copies 89294cd501d9 7ccb2fc7ccb5 : 97052 revs, 3.023879 s, 2.970385 s, -0.053494 s, ? 0.9823, 30 ?s/rev mozilla-try x0000_revs_x0000_added_x0000_copies e928c65095ed e951f4ad123a : 52031 revs, 0.735549 s, 0.719432 s, -0.016117 s, ? 0.9781, 13 ?s/rev mozilla-try x00000_revs_x_added_0_copies 6a320851d377 1ebb79acd503 : 363753 revs, 18.568900 s, 18.165143 s, -0.403757 s, ? 0.9783, 49 ?s/rev mozilla-try x00000_revs_x00000_added_0_copies dc8a3ca7010e d16fde900c9c : 34414 revs, 0.502584 s, 0.486769 s, -0.015815 s, ? 0.9685, 14 ?s/rev mozilla-try x00000_revs_x_added_x_copies 5173c4b6f97c 95d83ee7242d : 362229 revs, 18.356645 s, 17.913924 s, -0.442721 s, ? 0.9759, 49 ?s/rev mozilla-try x00000_revs_x000_added_x_copies 9126823d0e9c ca82787bb23c : 359344 revs, 18.250393 s, 17.660113 s, -0.590280 s, ? 0.9677, 49 ?s/rev mozilla-try x00000_revs_x0000_added_x0000_copies 8d3fafa80d4b eb884023b810 : 192665 revs, 2.792459 s, 2.709446 s, -0.083013 s, ? 0.9703, 14 ?s/rev mozilla-try x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 228985 revs, 107.697264 s, 107.796891 s, +0.099627 s, ? 1.0009, 470 ?s/rev mozilla-try x00000_revs_x00000_added_x000_copies 9b2a99adc05e 8e29777b48e6 : 382065 revs, 63.961040 s, 63.575217 s, -0.385823 s, ? 0.9940, 166 ?s/rev Differential Revision: https://phab.mercurial-scm.org/D9423
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Fri, 20 Nov 2020 13:46:14 +0100
parents 294d5aca4ff5
children 1fcfff09cac5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
46148
70a9eb899637 copies: document the current algorithm step
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46113
diff changeset
1 # coding: utf8
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
2 # copies.py - copy detection for Mercurial
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
3 #
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
4 # Copyright 2008 Matt Mackall <mpm@selenic.com>
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
5 #
8225
46293a0c7e9f updated license to be explicit about GPL version 2
Martin Geisler <mg@lazybytes.net>
parents: 8209
diff changeset
6 # This software may be used and distributed according to the terms of the
10263
25e572394f5c Update license to GPLv2+
Matt Mackall <mpm@selenic.com>
parents: 10262
diff changeset
7 # GNU General Public License version 2 or any later version.
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
8
25924
cfc24c22454e copies: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25289
diff changeset
9 from __future__ import absolute_import
cfc24c22454e copies: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25289
diff changeset
10
34179
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
11 import collections
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
12 import os
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
13
34846
f05a6e015ecc copies: add a config to limit the number of candidates to check in heuristics
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34787
diff changeset
14 from .i18n import _
46113
59fa3890d40a node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents: 46109
diff changeset
15 from .node import (
59fa3890d40a node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents: 46109
diff changeset
16 nullid,
59fa3890d40a node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents: 46109
diff changeset
17 nullrev,
59fa3890d40a node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents: 46109
diff changeset
18 )
43148
843da18386d5 sidedatacopies: deal with upgrading and downgrading to that format
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
19
25924
cfc24c22454e copies: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25289
diff changeset
20 from . import (
33867
252fb66ee5bb copies: use intersectmatchers() in non-merge p1 optimization
Yuya Nishihara <yuya@tcha.org>
parents: 33822
diff changeset
21 match as matchmod,
25924
cfc24c22454e copies: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25289
diff changeset
22 pathutil,
45962
a66568f20ddc copies: use the rust code for `combine_changeset_copies`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
23 policy,
43106
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43077
diff changeset
24 pycompat,
25924
cfc24c22454e copies: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25289
diff changeset
25 util,
cfc24c22454e copies: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25289
diff changeset
26 )
43148
843da18386d5 sidedatacopies: deal with upgrading and downgrading to that format
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
27
843da18386d5 sidedatacopies: deal with upgrading and downgrading to that format
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43147
diff changeset
28
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
29 from .utils import stringutil
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
30
46057
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
31 from .revlogutils import (
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
32 flagutil,
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
33 sidedata as sidedatamod,
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
34 )
45672
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45670
diff changeset
35
45962
a66568f20ddc copies: use the rust code for `combine_changeset_copies`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
36 rustmod = policy.importrust("copy_tracing")
a66568f20ddc copies: use the rust code for `combine_changeset_copies`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
37
25924
cfc24c22454e copies: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25289
diff changeset
38
42593
11ceb1b8fd74 copies: inline _chainandfilter() to prepare for next patch
Martin von Zweigbergk <martinvonz@google.com>
parents: 42592
diff changeset
39 def _filter(src, dst, t):
11ceb1b8fd74 copies: inline _chainandfilter() to prepare for next patch
Martin von Zweigbergk <martinvonz@google.com>
parents: 42592
diff changeset
40 """filters out invalid copies after chaining"""
42227
d1c2688eda80 copies: document cases in _chain()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42226
diff changeset
41
42593
11ceb1b8fd74 copies: inline _chainandfilter() to prepare for next patch
Martin von Zweigbergk <martinvonz@google.com>
parents: 42592
diff changeset
42 # When _chain()'ing copies in 'a' (from 'src' via some other commit 'mid')
11ceb1b8fd74 copies: inline _chainandfilter() to prepare for next patch
Martin von Zweigbergk <martinvonz@google.com>
parents: 42592
diff changeset
43 # with copies in 'b' (from 'mid' to 'dst'), we can get the different cases
11ceb1b8fd74 copies: inline _chainandfilter() to prepare for next patch
Martin von Zweigbergk <martinvonz@google.com>
parents: 42592
diff changeset
44 # in the following table (not including trivial cases). For example, case 2
11ceb1b8fd74 copies: inline _chainandfilter() to prepare for next patch
Martin von Zweigbergk <martinvonz@google.com>
parents: 42592
diff changeset
45 # is where a file existed in 'src' and remained under that name in 'mid' and
42227
d1c2688eda80 copies: document cases in _chain()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42226
diff changeset
46 # then was renamed between 'mid' and 'dst'.
d1c2688eda80 copies: document cases in _chain()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42226
diff changeset
47 #
d1c2688eda80 copies: document cases in _chain()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42226
diff changeset
48 # case src mid dst result
d1c2688eda80 copies: document cases in _chain()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42226
diff changeset
49 # 1 x y - -
d1c2688eda80 copies: document cases in _chain()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42226
diff changeset
50 # 2 x y y x->y
d1c2688eda80 copies: document cases in _chain()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42226
diff changeset
51 # 3 x y x -
d1c2688eda80 copies: document cases in _chain()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42226
diff changeset
52 # 4 x y z x->z
d1c2688eda80 copies: document cases in _chain()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42226
diff changeset
53 # 5 - x y -
d1c2688eda80 copies: document cases in _chain()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42226
diff changeset
54 # 6 x x y x->y
42373
f3d06d37e194 copies: split up _chain() in naive chaining and filtering steps
Martin von Zweigbergk <martinvonz@google.com>
parents: 42344
diff changeset
55 #
f3d06d37e194 copies: split up _chain() in naive chaining and filtering steps
Martin von Zweigbergk <martinvonz@google.com>
parents: 42344
diff changeset
56 # _chain() takes care of chaining the copies in 'a' and 'b', but it
f3d06d37e194 copies: split up _chain() in naive chaining and filtering steps
Martin von Zweigbergk <martinvonz@google.com>
parents: 42344
diff changeset
57 # cannot tell the difference between cases 1 and 2, between 3 and 4, or
f3d06d37e194 copies: split up _chain() in naive chaining and filtering steps
Martin von Zweigbergk <martinvonz@google.com>
parents: 42344
diff changeset
58 # between 5 and 6, so it includes all cases in its result.
f3d06d37e194 copies: split up _chain() in naive chaining and filtering steps
Martin von Zweigbergk <martinvonz@google.com>
parents: 42344
diff changeset
59 # Cases 1, 3, and 5 are then removed by _filter().
42227
d1c2688eda80 copies: document cases in _chain()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42226
diff changeset
60
42373
f3d06d37e194 copies: split up _chain() in naive chaining and filtering steps
Martin von Zweigbergk <martinvonz@google.com>
parents: 42344
diff changeset
61 for k, v in list(t.items()):
f3d06d37e194 copies: split up _chain() in naive chaining and filtering steps
Martin von Zweigbergk <martinvonz@google.com>
parents: 42344
diff changeset
62 # remove copies from files that didn't exist
f3d06d37e194 copies: split up _chain() in naive chaining and filtering steps
Martin von Zweigbergk <martinvonz@google.com>
parents: 42344
diff changeset
63 if v not in src:
f3d06d37e194 copies: split up _chain() in naive chaining and filtering steps
Martin von Zweigbergk <martinvonz@google.com>
parents: 42344
diff changeset
64 del t[k]
f3d06d37e194 copies: split up _chain() in naive chaining and filtering steps
Martin von Zweigbergk <martinvonz@google.com>
parents: 42344
diff changeset
65 # remove criss-crossed copies
f3d06d37e194 copies: split up _chain() in naive chaining and filtering steps
Martin von Zweigbergk <martinvonz@google.com>
parents: 42344
diff changeset
66 elif k in src and v in dst:
f3d06d37e194 copies: split up _chain() in naive chaining and filtering steps
Martin von Zweigbergk <martinvonz@google.com>
parents: 42344
diff changeset
67 del t[k]
f3d06d37e194 copies: split up _chain() in naive chaining and filtering steps
Martin von Zweigbergk <martinvonz@google.com>
parents: 42344
diff changeset
68 # remove copies to files that were then removed
f3d06d37e194 copies: split up _chain() in naive chaining and filtering steps
Martin von Zweigbergk <martinvonz@google.com>
parents: 42344
diff changeset
69 elif k not in dst:
f3d06d37e194 copies: split up _chain() in naive chaining and filtering steps
Martin von Zweigbergk <martinvonz@google.com>
parents: 42344
diff changeset
70 del t[k]
f3d06d37e194 copies: split up _chain() in naive chaining and filtering steps
Martin von Zweigbergk <martinvonz@google.com>
parents: 42344
diff changeset
71
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
72
43784
995066c41bb2 copies: expand `_chain` variable name to make the function easier to read
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43783
diff changeset
73 def _chain(prefix, suffix):
995066c41bb2 copies: expand `_chain` variable name to make the function easier to read
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43783
diff changeset
74 """chain two sets of copies 'prefix' and 'suffix'"""
995066c41bb2 copies: expand `_chain` variable name to make the function easier to read
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43783
diff changeset
75 result = prefix.copy()
995066c41bb2 copies: expand `_chain` variable name to make the function easier to read
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43783
diff changeset
76 for key, value in pycompat.iteritems(suffix):
995066c41bb2 copies: expand `_chain` variable name to make the function easier to read
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43783
diff changeset
77 result[key] = prefix.get(value, value)
995066c41bb2 copies: expand `_chain` variable name to make the function easier to read
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43783
diff changeset
78 return result
15775
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
79
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
80
43199
069cbbb53cdf copies: drop the findlimit logic
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43198
diff changeset
81 def _tracefile(fctx, am, basemf):
35421
9cf37d111acb copies: consistently use """ for docstrings
Martin von Zweigbergk <martinvonz@google.com>
parents: 35420
diff changeset
82 """return file context that is the ancestor of fctx present in ancestor
43198
c16fe77e340a pathcopies: give up any optimization based on `introrev`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43148
diff changeset
83 manifest am
c16fe77e340a pathcopies: give up any optimization based on `introrev`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43148
diff changeset
84
c16fe77e340a pathcopies: give up any optimization based on `introrev`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43148
diff changeset
85 Note: we used to try and stop after a given limit, however checking if that
c16fe77e340a pathcopies: give up any optimization based on `introrev`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43148
diff changeset
86 limit is reached turned out to be very expensive. we are better off
c16fe77e340a pathcopies: give up any optimization based on `introrev`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43148
diff changeset
87 disabling that feature."""
15775
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
88
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
89 for f in fctx.ancestors():
42548
4ebbd7c4a3c5 copies: return only path from _tracefile() since that's all caller needs
Martin von Zweigbergk <martinvonz@google.com>
parents: 42520
diff changeset
90 path = f.path()
4ebbd7c4a3c5 copies: return only path from _tracefile() since that's all caller needs
Martin von Zweigbergk <martinvonz@google.com>
parents: 42520
diff changeset
91 if am.get(path, None) == f.filenode():
4ebbd7c4a3c5 copies: return only path from _tracefile() since that's all caller needs
Martin von Zweigbergk <martinvonz@google.com>
parents: 42520
diff changeset
92 return path
42595
819712deac69 copies: follow copies across merge base without source file (issue6163)
Martin von Zweigbergk <martinvonz@google.com>
parents: 42594
diff changeset
93 if basemf and basemf.get(path, None) == f.filenode():
819712deac69 copies: follow copies across merge base without source file (issue6163)
Martin von Zweigbergk <martinvonz@google.com>
parents: 42594
diff changeset
94 return path
15775
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
95
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
96
41752
012f695546aa copies: respect narrowmatcher in "parent -> working dir" case
Martin von Zweigbergk <martinvonz@google.com>
parents: 41724
diff changeset
97 def _dirstatecopies(repo, match=None):
012f695546aa copies: respect narrowmatcher in "parent -> working dir" case
Martin von Zweigbergk <martinvonz@google.com>
parents: 41724
diff changeset
98 ds = repo.dirstate
15775
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
99 c = ds.copies().copy()
34348
1a5abc45e2fa py3: explicitly convert dict.keys() and dict.items() into a list
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34311
diff changeset
100 for k in list(c):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
101 if ds[k] not in b'anm' or (match and not match(k)):
15775
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
102 del c[k]
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
103 return c
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
104
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
105
24782
4906dc0e038c copies: add matcher parameter to copy logic
Durham Goode <durham@fb.com>
parents: 24625
diff changeset
106 def _computeforwardmissing(a, b, match=None):
24011
d7d08337b3f6 copy: move _forwardcopies file logic to a function
Durham Goode <durham@fb.com>
parents: 24010
diff changeset
107 """Computes which files are in b but not a.
d7d08337b3f6 copy: move _forwardcopies file logic to a function
Durham Goode <durham@fb.com>
parents: 24010
diff changeset
108 This is its own function so extensions can easily wrap this call to see what
d7d08337b3f6 copy: move _forwardcopies file logic to a function
Durham Goode <durham@fb.com>
parents: 24010
diff changeset
109 files _forwardcopies is about to process.
d7d08337b3f6 copy: move _forwardcopies file logic to a function
Durham Goode <durham@fb.com>
parents: 24010
diff changeset
110 """
24782
4906dc0e038c copies: add matcher parameter to copy logic
Durham Goode <durham@fb.com>
parents: 24625
diff changeset
111 ma = a.manifest()
4906dc0e038c copies: add matcher parameter to copy logic
Durham Goode <durham@fb.com>
parents: 24625
diff changeset
112 mb = b.manifest()
31256
5a909a8098a1 copies: remove use of manifest.matches
Durham Goode <durham@fb.com>
parents: 30581
diff changeset
113 return mb.filesnotin(ma, match=match)
24011
d7d08337b3f6 copy: move _forwardcopies file logic to a function
Durham Goode <durham@fb.com>
parents: 24010
diff changeset
114
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
115
42115
27475ae67676 copies: extract function for deciding whether to use changeset-centric algos
Martin von Zweigbergk <martinvonz@google.com>
parents: 41936
diff changeset
116 def usechangesetcentricalgo(repo):
27475ae67676 copies: extract function for deciding whether to use changeset-centric algos
Martin von Zweigbergk <martinvonz@google.com>
parents: 41936
diff changeset
117 """Checks if we should use changeset-centric copy algorithms"""
43146
0171483b082f sidedatacopies: read rename information from sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
118 if repo.filecopiesmode == b'changeset-sidedata':
0171483b082f sidedatacopies: read rename information from sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
119 return True
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
120 readfrom = repo.ui.config(b'experimental', b'copies.read-from')
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
121 changesetsource = (b'changeset-only', b'compatibility')
43020
f3bcae1e9e23 copies: expand the logic of usechangesetcentricalgo
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42707
diff changeset
122 return readfrom in changesetsource
42115
27475ae67676 copies: extract function for deciding whether to use changeset-centric algos
Martin von Zweigbergk <martinvonz@google.com>
parents: 41936
diff changeset
123
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
124
42595
819712deac69 copies: follow copies across merge base without source file (issue6163)
Martin von Zweigbergk <martinvonz@google.com>
parents: 42594
diff changeset
125 def _committedforwardcopies(a, b, base, match):
35422
8801cdcea01f copies: extract method for getting non-wdir forward copies
Martin von Zweigbergk <martinvonz@google.com>
parents: 35421
diff changeset
126 """Like _forwardcopies(), but b.rev() cannot be None (working copy)"""
20294
243ea5ffdf31 diff: search beyond ancestor when detecting renames
Mads Kiilerich <madski@unity3d.com>
parents: 19178
diff changeset
127 # files might have to be traced back to the fctx parent of the last
243ea5ffdf31 diff: search beyond ancestor when detecting renames
Mads Kiilerich <madski@unity3d.com>
parents: 19178
diff changeset
128 # one-side-only changeset, but not further back than that
40057
25b2868206e2 copies: add a devel debug mode to trace what copy tracing does
Boris Feld <boris.feld@octobus.net>
parents: 39966
diff changeset
129 repo = a._repo
41756
49ad315b39ee copies: do copy tracing based on ctx.p[12]copies() if configured
Martin von Zweigbergk <martinvonz@google.com>
parents: 41754
diff changeset
130
42115
27475ae67676 copies: extract function for deciding whether to use changeset-centric algos
Martin von Zweigbergk <martinvonz@google.com>
parents: 41936
diff changeset
131 if usechangesetcentricalgo(repo):
41756
49ad315b39ee copies: do copy tracing based on ctx.p[12]copies() if configured
Martin von Zweigbergk <martinvonz@google.com>
parents: 41754
diff changeset
132 return _changesetforwardcopies(a, b, match)
49ad315b39ee copies: do copy tracing based on ctx.p[12]copies() if configured
Martin von Zweigbergk <martinvonz@google.com>
parents: 41754
diff changeset
133
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
134 debug = repo.ui.debugflag and repo.ui.configbool(b'devel', b'debug.copies')
40057
25b2868206e2 copies: add a devel debug mode to trace what copy tracing does
Boris Feld <boris.feld@octobus.net>
parents: 39966
diff changeset
135 dbg = repo.ui.debug
25b2868206e2 copies: add a devel debug mode to trace what copy tracing does
Boris Feld <boris.feld@octobus.net>
parents: 39966
diff changeset
136 if debug:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
137 dbg(b'debug.copies: looking into rename from %s to %s\n' % (a, b))
20294
243ea5ffdf31 diff: search beyond ancestor when detecting renames
Mads Kiilerich <madski@unity3d.com>
parents: 19178
diff changeset
138 am = a.manifest()
42595
819712deac69 copies: follow copies across merge base without source file (issue6163)
Martin von Zweigbergk <martinvonz@google.com>
parents: 42594
diff changeset
139 basemf = None if base is None else base.manifest()
20294
243ea5ffdf31 diff: search beyond ancestor when detecting renames
Mads Kiilerich <madski@unity3d.com>
parents: 19178
diff changeset
140
15775
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
141 # find where new files came from
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
142 # we currently don't try to find where old files went, too expensive
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
143 # this means we can miss a case like 'hg rm b; hg cp a b'
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
144 cm = {}
28000
d4247c306d82 copies: optimize forward copy detection logic for rebases
Durham Goode <durham@fb.com>
parents: 27876
diff changeset
145
d4247c306d82 copies: optimize forward copy detection logic for rebases
Durham Goode <durham@fb.com>
parents: 27876
diff changeset
146 # Computing the forward missing is quite expensive on large manifests, since
d4247c306d82 copies: optimize forward copy detection logic for rebases
Durham Goode <durham@fb.com>
parents: 27876
diff changeset
147 # it compares the entire manifests. We can optimize it in the common use
d4247c306d82 copies: optimize forward copy detection logic for rebases
Durham Goode <durham@fb.com>
parents: 27876
diff changeset
148 # case of computing what copies are in a commit versus its parent (like
d4247c306d82 copies: optimize forward copy detection logic for rebases
Durham Goode <durham@fb.com>
parents: 27876
diff changeset
149 # during a rebase or histedit). Note, we exclude merge commits from this
d4247c306d82 copies: optimize forward copy detection logic for rebases
Durham Goode <durham@fb.com>
parents: 27876
diff changeset
150 # optimization, since the ctx.files() for a merge commit is not correct for
d4247c306d82 copies: optimize forward copy detection logic for rebases
Durham Goode <durham@fb.com>
parents: 27876
diff changeset
151 # this comparison.
d4247c306d82 copies: optimize forward copy detection logic for rebases
Durham Goode <durham@fb.com>
parents: 27876
diff changeset
152 forwardmissingmatch = match
46113
59fa3890d40a node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents: 46109
diff changeset
153 if b.p1() == a and b.p2().node() == nullid:
41936
a791623458ef copies: remove dependency on scmutil by directly using match.exact()
Martin von Zweigbergk <martinvonz@google.com>
parents: 41932
diff changeset
154 filesmatcher = matchmod.exact(b.files())
33867
252fb66ee5bb copies: use intersectmatchers() in non-merge p1 optimization
Yuya Nishihara <yuya@tcha.org>
parents: 33822
diff changeset
155 forwardmissingmatch = matchmod.intersectmatchers(match, filesmatcher)
28000
d4247c306d82 copies: optimize forward copy detection logic for rebases
Durham Goode <durham@fb.com>
parents: 27876
diff changeset
156 missing = _computeforwardmissing(a, b, match=forwardmissingmatch)
d4247c306d82 copies: optimize forward copy detection logic for rebases
Durham Goode <durham@fb.com>
parents: 27876
diff changeset
157
23980
c1ce5442453f _adjustlinkrev: reuse ancestors set during rename detection (issue4514)
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23139
diff changeset
158 ancestrycontext = a._repo.changelog.ancestors([b.rev()], inclusive=True)
40057
25b2868206e2 copies: add a devel debug mode to trace what copy tracing does
Boris Feld <boris.feld@octobus.net>
parents: 39966
diff changeset
159
25b2868206e2 copies: add a devel debug mode to trace what copy tracing does
Boris Feld <boris.feld@octobus.net>
parents: 39966
diff changeset
160 if debug:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
161 dbg(b'debug.copies: missing files to search: %d\n' % len(missing))
40057
25b2868206e2 copies: add a devel debug mode to trace what copy tracing does
Boris Feld <boris.feld@octobus.net>
parents: 39966
diff changeset
162
42210
390ec72b8ea4 copies: process files in deterministic order for stable tests
Martin von Zweigbergk <martinvonz@google.com>
parents: 42169
diff changeset
163 for f in sorted(missing):
40057
25b2868206e2 copies: add a devel debug mode to trace what copy tracing does
Boris Feld <boris.feld@octobus.net>
parents: 39966
diff changeset
164 if debug:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
165 dbg(b'debug.copies: tracing file: %s\n' % f)
23980
c1ce5442453f _adjustlinkrev: reuse ancestors set during rename detection (issue4514)
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23139
diff changeset
166 fctx = b[f]
c1ce5442453f _adjustlinkrev: reuse ancestors set during rename detection (issue4514)
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23139
diff changeset
167 fctx._ancestrycontext = ancestrycontext
40057
25b2868206e2 copies: add a devel debug mode to trace what copy tracing does
Boris Feld <boris.feld@octobus.net>
parents: 39966
diff changeset
168
40058
cf01616f8d96 copies: add time information to the debug information
Boris Feld <boris.feld@octobus.net>
parents: 40057
diff changeset
169 if debug:
cf01616f8d96 copies: add time information to the debug information
Boris Feld <boris.feld@octobus.net>
parents: 40057
diff changeset
170 start = util.timer()
43199
069cbbb53cdf copies: drop the findlimit logic
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43198
diff changeset
171 opath = _tracefile(fctx, am, basemf)
42548
4ebbd7c4a3c5 copies: return only path from _tracefile() since that's all caller needs
Martin von Zweigbergk <martinvonz@google.com>
parents: 42520
diff changeset
172 if opath:
40057
25b2868206e2 copies: add a devel debug mode to trace what copy tracing does
Boris Feld <boris.feld@octobus.net>
parents: 39966
diff changeset
173 if debug:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
174 dbg(b'debug.copies: rename of: %s\n' % opath)
42548
4ebbd7c4a3c5 copies: return only path from _tracefile() since that's all caller needs
Martin von Zweigbergk <martinvonz@google.com>
parents: 42520
diff changeset
175 cm[f] = opath
40058
cf01616f8d96 copies: add time information to the debug information
Boris Feld <boris.feld@octobus.net>
parents: 40057
diff changeset
176 if debug:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
177 dbg(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
178 b'debug.copies: time: %f seconds\n'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
179 % (util.timer() - start)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
180 )
35422
8801cdcea01f copies: extract method for getting non-wdir forward copies
Martin von Zweigbergk <martinvonz@google.com>
parents: 35421
diff changeset
181 return cm
8801cdcea01f copies: extract method for getting non-wdir forward copies
Martin von Zweigbergk <martinvonz@google.com>
parents: 35421
diff changeset
182
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
183
46057
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
184 def _revinfo_getter(repo, match):
45640
2693659c2b34 copies: directly pass a changes object to the copy tracing code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45639
diff changeset
185 """returns a function that returns the following data given a <rev>"
43255
b8d60845fa5d copies: extract data extraction into a `revinfo` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43254
diff changeset
186
b8d60845fa5d copies: extract data extraction into a `revinfo` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43254
diff changeset
187 * p1: revision number of first parent
b8d60845fa5d copies: extract data extraction into a `revinfo` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43254
diff changeset
188 * p2: revision number of first parent
45640
2693659c2b34 copies: directly pass a changes object to the copy tracing code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45639
diff changeset
189 * changes: a ChangingFiles object
43255
b8d60845fa5d copies: extract data extraction into a `revinfo` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43254
diff changeset
190 """
b8d60845fa5d copies: extract data extraction into a `revinfo` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43254
diff changeset
191 cl = repo.changelog
b8d60845fa5d copies: extract data extraction into a `revinfo` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43254
diff changeset
192 parents = cl.parentrevs
45672
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45670
diff changeset
193 flags = cl.flags
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45670
diff changeset
194
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45670
diff changeset
195 HASCOPIESINFO = flagutil.REVIDX_HASCOPIESINFO
43255
b8d60845fa5d copies: extract data extraction into a `revinfo` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43254
diff changeset
196
45638
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
197 changelogrevision = cl.changelogrevision
43257
675c776fbcd1 sidedatacopies: directly fetch copies information from sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43256
diff changeset
198
46057
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
199 alwaysmatch = match.always()
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
200
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
201 if rustmod is not None and alwaysmatch:
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
202
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
203 def revinfo(rev):
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
204 p1, p2 = parents(rev)
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
205 if flags(rev) & HASCOPIESINFO:
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
206 raw = changelogrevision(rev)._sidedata.get(sidedatamod.SD_FILES)
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
207 else:
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
208 raw = None
46150
a132aa5979ec copies: no longer cache the ChangedFiles during copy tracing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46149
diff changeset
209 return (p1, p2, raw)
46057
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
210
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
211 else:
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
212
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
213 def revinfo(rev):
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
214 p1, p2 = parents(rev)
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
215 if flags(rev) & HASCOPIESINFO:
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
216 changes = changelogrevision(rev).changes
46150
a132aa5979ec copies: no longer cache the ChangedFiles during copy tracing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46149
diff changeset
217 else:
a132aa5979ec copies: no longer cache the ChangedFiles during copy tracing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46149
diff changeset
218 changes = None
a132aa5979ec copies: no longer cache the ChangedFiles during copy tracing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46149
diff changeset
219 return (p1, p2, changes)
43255
b8d60845fa5d copies: extract data extraction into a `revinfo` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43254
diff changeset
220
b8d60845fa5d copies: extract data extraction into a `revinfo` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43254
diff changeset
221 return revinfo
b8d60845fa5d copies: extract data extraction into a `revinfo` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43254
diff changeset
222
b8d60845fa5d copies: extract data extraction into a `revinfo` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43254
diff changeset
223
45892
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
224 def cached_is_ancestor(is_ancestor):
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
225 """return a cached version of is_ancestor"""
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
226 cache = {}
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
227
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
228 def _is_ancestor(anc, desc):
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
229 if anc > desc:
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
230 return False
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
231 elif anc == desc:
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
232 return True
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
233 key = (anc, desc)
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
234 ret = cache.get(key)
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
235 if ret is None:
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
236 ret = cache[key] = is_ancestor(anc, desc)
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
237 return ret
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
238
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
239 return _is_ancestor
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
240
06b64fabf91c copies: cache the ancestor checking call when tracing copy
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45798
diff changeset
241
41756
49ad315b39ee copies: do copy tracing based on ctx.p[12]copies() if configured
Martin von Zweigbergk <martinvonz@google.com>
parents: 41754
diff changeset
242 def _changesetforwardcopies(a, b, match):
46113
59fa3890d40a node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents: 46109
diff changeset
243 if a.rev() in (nullrev, b.rev()):
41756
49ad315b39ee copies: do copy tracing based on ctx.p[12]copies() if configured
Martin von Zweigbergk <martinvonz@google.com>
parents: 41754
diff changeset
244 return {}
49ad315b39ee copies: do copy tracing based on ctx.p[12]copies() if configured
Martin von Zweigbergk <martinvonz@google.com>
parents: 41754
diff changeset
245
43256
00de32aa834e copies: use an unfiltered repository for the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43255
diff changeset
246 repo = a.repo().unfiltered()
41756
49ad315b39ee copies: do copy tracing based on ctx.p[12]copies() if configured
Martin von Zweigbergk <martinvonz@google.com>
parents: 41754
diff changeset
247 children = {}
43255
b8d60845fa5d copies: extract data extraction into a `revinfo` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43254
diff changeset
248
41756
49ad315b39ee copies: do copy tracing based on ctx.p[12]copies() if configured
Martin von Zweigbergk <martinvonz@google.com>
parents: 41754
diff changeset
249 cl = repo.changelog
45972
8b99c473aae2 copies-rust: move is_ancestor caching within the rust code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45962
diff changeset
250 isancestor = cl.isancestorrev
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
251
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
252 # To track rename from "A" to B, we need to gather all parent → children
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
253 # edges that are contains in `::B` but not in `::A`.
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
254 #
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
255 #
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
256 # To do so, we need to gather all revisions exclusive¹ to "B" (ie¹: `::b -
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
257 # ::a`) and also all the "roots point", ie the parents of the exclusive set
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
258 # that belong to ::a. These are exactly all the revisions needed to express
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
259 # the parent → children we need to combine.
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
260 #
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
261 # [1] actually, we need to gather all the edges within `(::a)::b`, ie:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
262 # excluding paths that leads to roots that are not ancestors of `a`. We
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
263 # keep this out of the explanation because it is hard enough without this special case..
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
264
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
265 parents = cl._uncheckedparentrevs
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
266 graph_roots = (nullrev, nullrev)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
267
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
268 ancestors = cl.ancestors([a.rev()], inclusive=True)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
269 revs = cl.findmissingrevs(common=[a.rev()], heads=[b.rev()])
43299
83bb1e89ab9b copies: compute the exact set of revision to walk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43297
diff changeset
270 roots = set()
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
271 has_graph_roots = False
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
272
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
273 # iterate over `only(B, A)`
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
274 for r in revs:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
275 ps = parents(r)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
276 if ps == graph_roots:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
277 has_graph_roots = True
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
278 else:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
279 p1, p2 = ps
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
280
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
281 # find all the "root points" (see larger comment above)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
282 if p1 != nullrev and p1 in ancestors:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
283 roots.add(p1)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
284 if p2 != nullrev and p2 in ancestors:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
285 roots.add(p2)
43299
83bb1e89ab9b copies: compute the exact set of revision to walk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43297
diff changeset
286 if not roots:
83bb1e89ab9b copies: compute the exact set of revision to walk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43297
diff changeset
287 # no common revision to track copies from
83bb1e89ab9b copies: compute the exact set of revision to walk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43297
diff changeset
288 return {}
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
289 if has_graph_roots:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
290 # this deal with the special case mentionned in the [1] footnotes. We
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
291 # must filter out revisions that leads to non-common graphroots.
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
292 roots = list(roots)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
293 m = min(roots)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
294 h = [b.rev()]
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
295 roots_to_head = cl.reachableroots(m, h, roots, includepath=True)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
296 roots_to_head = set(roots_to_head)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
297 revs = [r for r in revs if r in roots_to_head]
45637
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
298
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
299 if repo.filecopiesmode == b'changeset-sidedata':
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
300 # When using side-data, we will process the edges "from" the children.
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
301 # We iterate over the childre, gathering previous collected data for
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
302 # the parents. Do know when the parents data is no longer necessary, we
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
303 # keep a counter of how many children each revision has.
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
304 #
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
305 # An interresting property of `children_count` is that it only contains
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
306 # revision that will be relevant for a edge of the graph. So if a
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
307 # children has parent not in `children_count`, that edges should not be
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
308 # processed.
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
309 children_count = dict((r, 0) for r in roots)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
310 for r in revs:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
311 for p in cl.parentrevs(r):
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
312 if p == nullrev:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
313 continue
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
314 children_count[r] = 0
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
315 if p in children_count:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
316 children_count[p] += 1
46057
e0313b0a6f7e copies-rust: parse the changed-file sidedata directly in rust
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46036
diff changeset
317 revinfo = _revinfo_getter(repo, match)
45637
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
318 return _combine_changeset_copies(
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
319 revs, children_count, b.rev(), revinfo, match, isancestor
45637
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
320 )
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
321 else:
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
322 # When not using side-data, we will process the edges "from" the parent.
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
323 # so we need a full mapping of the parent -> children relation.
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
324 children = dict((r, []) for r in roots)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
325 for r in revs:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
326 for p in cl.parentrevs(r):
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
327 if p == nullrev:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
328 continue
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
329 children[r] = []
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
330 if p in children:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
331 children[p].append(r)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
332 x = revs.pop()
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
333 assert x == b.rev()
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
334 revs.extend(roots)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
335 revs.sort()
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
336
45638
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
337 revinfo = _revinfo_getter_extra(repo)
45637
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
338 return _combine_changeset_copies_extra(
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
339 revs, children, b.rev(), revinfo, match, isancestor
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
340 )
43786
421ea5772039 copies: split the combination of the copies mapping in its own function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43785
diff changeset
341
421ea5772039 copies: split the combination of the copies mapping in its own function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43785
diff changeset
342
45624
fb000408bca5 copies: rename some function to the new naming scheme
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44994
diff changeset
343 def _combine_changeset_copies(
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
344 revs, children_count, targetrev, revinfo, match, isancestor
44758
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
345 ):
43786
421ea5772039 copies: split the combination of the copies mapping in its own function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43785
diff changeset
346 """combine the copies information for each item of iterrevs
421ea5772039 copies: split the combination of the copies mapping in its own function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43785
diff changeset
347
421ea5772039 copies: split the combination of the copies mapping in its own function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43785
diff changeset
348 revs: sorted iterable of revision to visit
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
349 children_count: a {parent: <number-of-relevant-children>} mapping.
43786
421ea5772039 copies: split the combination of the copies mapping in its own function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43785
diff changeset
350 targetrev: the final copies destination revision (not in iterrevs)
421ea5772039 copies: split the combination of the copies mapping in its own function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43785
diff changeset
351 revinfo(rev): a function that return (p1, p2, p1copies, p2copies, removed)
421ea5772039 copies: split the combination of the copies mapping in its own function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43785
diff changeset
352 match: a matcher
421ea5772039 copies: split the combination of the copies mapping in its own function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43785
diff changeset
353
421ea5772039 copies: split the combination of the copies mapping in its own function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43785
diff changeset
354 It returns the aggregated copies information for `targetrev`.
421ea5772039 copies: split the combination of the copies mapping in its own function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43785
diff changeset
355 """
45962
a66568f20ddc copies: use the rust code for `combine_changeset_copies`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
356
a66568f20ddc copies: use the rust code for `combine_changeset_copies`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
357 alwaysmatch = match.always()
a66568f20ddc copies: use the rust code for `combine_changeset_copies`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
358
a66568f20ddc copies: use the rust code for `combine_changeset_copies`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
359 if rustmod is not None and alwaysmatch:
a66568f20ddc copies: use the rust code for `combine_changeset_copies`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
360 return rustmod.combine_changeset_copies(
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
361 list(revs), children_count, targetrev, revinfo, isancestor
45962
a66568f20ddc copies: use the rust code for `combine_changeset_copies`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
362 )
a66568f20ddc copies: use the rust code for `combine_changeset_copies`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
363
45972
8b99c473aae2 copies-rust: move is_ancestor caching within the rust code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45962
diff changeset
364 isancestor = cached_is_ancestor(isancestor)
8b99c473aae2 copies-rust: move is_ancestor caching within the rust code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45962
diff changeset
365
43785
3b039e43a1e6 copies: do not initialize the dictionary with root in changeset copies
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43784
diff changeset
366 all_copies = {}
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
367 # iterate over all the "children" side of copy tracing "edge"
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
368 for current_rev in revs:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
369 p1, p2, changes = revinfo(current_rev)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
370 current_copies = None
46148
70a9eb899637 copies: document the current algorithm step
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46113
diff changeset
371
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
372 # iterate over all parents to chain the existing data with the
46148
70a9eb899637 copies: document the current algorithm step
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46113
diff changeset
373 # data from the parent → child edge.
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
374 for parent, parent_rev in ((1, p1), (2, p2)):
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
375 if parent_rev == nullrev:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
376 continue
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
377 remaining_children = children_count.get(parent_rev)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
378 if remaining_children is None:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
379 continue
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
380 remaining_children -= 1
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
381 children_count[parent_rev] = remaining_children
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
382 if remaining_children:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
383 copies = all_copies.get(parent_rev, None)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
384 else:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
385 copies = all_copies.pop(parent_rev, None)
46148
70a9eb899637 copies: document the current algorithm step
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46113
diff changeset
386
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
387 if copies is None:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
388 # this is a root
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
389 copies = {}
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
390
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
391 newcopies = copies
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
392 # chain the data in the edge with the existing data
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
393 if changes is not None:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
394 childcopies = {}
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
395 if parent == 1:
45672
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45670
diff changeset
396 childcopies = changes.copied_from_p1
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
397 elif parent == 2:
45672
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45670
diff changeset
398 childcopies = changes.copied_from_p2
46148
70a9eb899637 copies: document the current algorithm step
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46113
diff changeset
399
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
400 if not alwaysmatch:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
401 childcopies = {
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
402 dst: src
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
403 for dst, src in childcopies.items()
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
404 if match(dst)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
405 }
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
406 if childcopies:
45985
b6b7626d3e06 copies: avoid unwanted side effect from one branch to another
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45977
diff changeset
407 newcopies = copies.copy()
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
408 for dest, source in pycompat.iteritems(childcopies):
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
409 prev = copies.get(source)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
410 if prev is not None and prev[1] is not None:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
411 source = prev[1]
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
412 newcopies[dest] = (current_rev, source)
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
413 assert newcopies is not copies
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
414 if changes.removed:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
415 if newcopies is copies:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
416 newcopies = copies.copy()
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
417 for f in changes.removed:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
418 if f in newcopies:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
419 if newcopies is copies:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
420 # copy on write to avoid affecting potential other
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
421 # branches. when there are no other branches, this
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
422 # could be avoided.
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
423 newcopies = copies.copy()
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
424 newcopies[f] = (current_rev, None)
46148
70a9eb899637 copies: document the current algorithm step
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46113
diff changeset
425
70a9eb899637 copies: document the current algorithm step
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46113
diff changeset
426 # check potential need to combine the data from another parent (for
70a9eb899637 copies: document the current algorithm step
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46113
diff changeset
427 # that child). See comment below for details.
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
428 if current_copies is None:
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
429 current_copies = newcopies
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
430 elif current_copies is newcopies:
45976
cf04af3a5ef1 copies: fast path no-op merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45972
diff changeset
431 # nothing to merge:
cf04af3a5ef1 copies: fast path no-op merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45972
diff changeset
432 pass
43252
32187ae9eeb3 copies: simplify the handling of merges
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43231
diff changeset
433 else:
32187ae9eeb3 copies: simplify the handling of merges
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43231
diff changeset
434 # we are the second parent to work on c, we need to merge our
32187ae9eeb3 copies: simplify the handling of merges
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43231
diff changeset
435 # work with the other.
32187ae9eeb3 copies: simplify the handling of merges
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43231
diff changeset
436 #
32187ae9eeb3 copies: simplify the handling of merges
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43231
diff changeset
437 # In case of conflict, parent 1 take precedence over parent 2.
32187ae9eeb3 copies: simplify the handling of merges
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43231
diff changeset
438 # This is an arbitrary choice made anew when implementing
32187ae9eeb3 copies: simplify the handling of merges
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43231
diff changeset
439 # changeset based copies. It was made without regards with
32187ae9eeb3 copies: simplify the handling of merges
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43231
diff changeset
440 # potential filelog related behavior.
46149
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
441 assert parent == 2
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
442 current_copies = _merge_copies_dict(
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
443 newcopies, current_copies, isancestor, changes
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
444 )
294d5aca4ff5 copies: iterate over children directly (instead of parents)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46148
diff changeset
445 all_copies[current_rev] = current_copies
44758
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
446
46148
70a9eb899637 copies: document the current algorithm step
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46113
diff changeset
447 # filter out internal details and return a {dest: source mapping}
44758
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
448 final_copies = {}
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
449 for dest, (tt, source) in all_copies[targetrev].items():
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
450 if source is not None:
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
451 final_copies[dest] = source
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
452 return final_copies
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
453
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
454
45640
2693659c2b34 copies: directly pass a changes object to the copy tracing code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45639
diff changeset
455 def _merge_copies_dict(minor, major, isancestor, changes):
44758
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
456 """merge two copies-mapping together, minor and major
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
457
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
458 In case of conflict, value from "major" will be picked.
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
459
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
460 - `isancestors(low_rev, high_rev)`: callable return True if `low_rev` is an
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
461 ancestors of `high_rev`,
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
462
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
463 - `ismerged(path)`: callable return True if `path` have been merged in the
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
464 current revision,
45986
f9f8d8aa9a92 copies: clarify the return of _merge_copies_dict
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45985
diff changeset
465
f9f8d8aa9a92 copies: clarify the return of _merge_copies_dict
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45985
diff changeset
466 return the resulting dict (in practice, the "minor" object, updated)
44758
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
467 """
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
468 for dest, value in major.items():
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
469 other = minor.get(dest)
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
470 if other is None:
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
471 minor[dest] = value
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
472 else:
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
473 new_tt = value[0]
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
474 other_tt = other[0]
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
475 if value[1] == other[1]:
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
476 continue
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
477 # content from "major" wins, unless it is older
45f3f35cefe7 copies: fix the changeset based algorithm regarding merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
478 # than the branch point or there is a merge
45670
a8fb29b05f92 salvaged: properly deal with salvaged file during copy tracing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45640
diff changeset
479 if new_tt == other_tt:
a8fb29b05f92 salvaged: properly deal with salvaged file during copy tracing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45640
diff changeset
480 minor[dest] = value
45672
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45670
diff changeset
481 elif (
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45670
diff changeset
482 changes is not None
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45670
diff changeset
483 and value[1] is None
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45670
diff changeset
484 and dest in changes.salvaged
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45670
diff changeset
485 ):
45670
a8fb29b05f92 salvaged: properly deal with salvaged file during copy tracing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45640
diff changeset
486 pass
45672
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45670
diff changeset
487 elif (
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45670
diff changeset
488 changes is not None
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45670
diff changeset
489 and other[1] is None
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45670
diff changeset
490 and dest in changes.salvaged
f877b3628015 copies: return None instead of ChangingFiles when relevant
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45670
diff changeset
491 ):
45670
a8fb29b05f92 salvaged: properly deal with salvaged file during copy tracing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45640
diff changeset
492 minor[dest] = value
45673
7990e7d957b0 copies: move `merged` testing sooner
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45672
diff changeset
493 elif changes is not None and dest in changes.merged:
45670
a8fb29b05f92 salvaged: properly deal with salvaged file during copy tracing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45640
diff changeset
494 minor[dest] = value
45673
7990e7d957b0 copies: move `merged` testing sooner
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45672
diff changeset
495 elif not isancestor(new_tt, other_tt):
45798
ff7e0ca666e8 copies: make sure deleted copy info do not overwriting unrelated ones
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45673
diff changeset
496 if value[1] is not None:
ff7e0ca666e8 copies: make sure deleted copy info do not overwriting unrelated ones
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45673
diff changeset
497 minor[dest] = value
ff7e0ca666e8 copies: make sure deleted copy info do not overwriting unrelated ones
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45673
diff changeset
498 elif isancestor(other_tt, new_tt):
ff7e0ca666e8 copies: make sure deleted copy info do not overwriting unrelated ones
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45673
diff changeset
499 minor[dest] = value
45986
f9f8d8aa9a92 copies: clarify the return of _merge_copies_dict
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45985
diff changeset
500 return minor
41756
49ad315b39ee copies: do copy tracing based on ctx.p[12]copies() if configured
Martin von Zweigbergk <martinvonz@google.com>
parents: 41754
diff changeset
501
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
502
45638
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
503 def _revinfo_getter_extra(repo):
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
504 """return a function that return multiple data given a <rev>"i
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
505
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
506 * p1: revision number of first parent
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
507 * p2: revision number of first parent
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
508 * p1copies: mapping of copies from p1
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
509 * p2copies: mapping of copies from p2
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
510 * removed: a list of removed files
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
511 * ismerged: a callback to know if file was merged in that revision
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
512 """
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
513 cl = repo.changelog
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
514 parents = cl.parentrevs
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
515
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
516 def get_ismerged(rev):
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
517 ctx = repo[rev]
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
518
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
519 def ismerged(path):
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
520 if path not in ctx.files():
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
521 return False
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
522 fctx = ctx[path]
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
523 parents = fctx._filelog.parents(fctx._filenode)
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
524 nb_parents = 0
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
525 for n in parents:
46113
59fa3890d40a node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents: 46109
diff changeset
526 if n != nullid:
45638
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
527 nb_parents += 1
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
528 return nb_parents >= 2
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
529
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
530 return ismerged
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
531
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
532 def revinfo(rev):
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
533 p1, p2 = parents(rev)
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
534 ctx = repo[rev]
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
535 p1copies, p2copies = ctx._copies
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
536 removed = ctx.filesremoved()
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
537 return p1, p2, p1copies, p2copies, removed, get_ismerged(rev)
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
538
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
539 return revinfo
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
540
4f876e6b30fa copies: use dedicated `_revinfo_getter` function and call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45637
diff changeset
541
45637
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
542 def _combine_changeset_copies_extra(
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
543 revs, children, targetrev, revinfo, match, isancestor
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
544 ):
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
545 """version of `_combine_changeset_copies` that works with the Google
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
546 specific "extra" based storage for copy information"""
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
547 all_copies = {}
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
548 alwaysmatch = match.always()
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
549 for r in revs:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
550 copies = all_copies.pop(r, None)
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
551 if copies is None:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
552 # this is a root
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
553 copies = {}
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
554 for i, c in enumerate(children[r]):
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
555 p1, p2, p1copies, p2copies, removed, ismerged = revinfo(c)
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
556 if r == p1:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
557 parent = 1
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
558 childcopies = p1copies
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
559 else:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
560 assert r == p2
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
561 parent = 2
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
562 childcopies = p2copies
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
563 if not alwaysmatch:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
564 childcopies = {
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
565 dst: src for dst, src in childcopies.items() if match(dst)
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
566 }
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
567 newcopies = copies
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
568 if childcopies:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
569 newcopies = copies.copy()
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
570 for dest, source in pycompat.iteritems(childcopies):
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
571 prev = copies.get(source)
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
572 if prev is not None and prev[1] is not None:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
573 source = prev[1]
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
574 newcopies[dest] = (c, source)
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
575 assert newcopies is not copies
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
576 for f in removed:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
577 if f in newcopies:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
578 if newcopies is copies:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
579 # copy on write to avoid affecting potential other
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
580 # branches. when there are no other branches, this
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
581 # could be avoided.
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
582 newcopies = copies.copy()
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
583 newcopies[f] = (c, None)
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
584 othercopies = all_copies.get(c)
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
585 if othercopies is None:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
586 all_copies[c] = newcopies
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
587 else:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
588 # we are the second parent to work on c, we need to merge our
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
589 # work with the other.
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
590 #
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
591 # In case of conflict, parent 1 take precedence over parent 2.
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
592 # This is an arbitrary choice made anew when implementing
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
593 # changeset based copies. It was made without regards with
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
594 # potential filelog related behavior.
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
595 if parent == 1:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
596 _merge_copies_dict_extra(
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
597 othercopies, newcopies, isancestor, ismerged
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
598 )
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
599 else:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
600 _merge_copies_dict_extra(
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
601 newcopies, othercopies, isancestor, ismerged
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
602 )
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
603 all_copies[c] = newcopies
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
604
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
605 final_copies = {}
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
606 for dest, (tt, source) in all_copies[targetrev].items():
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
607 if source is not None:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
608 final_copies[dest] = source
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
609 return final_copies
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
610
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
611
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
612 def _merge_copies_dict_extra(minor, major, isancestor, ismerged):
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
613 """version of `_merge_copies_dict` that works with the Google
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
614 specific "extra" based storage for copy information"""
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
615 for dest, value in major.items():
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
616 other = minor.get(dest)
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
617 if other is None:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
618 minor[dest] = value
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
619 else:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
620 new_tt = value[0]
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
621 other_tt = other[0]
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
622 if value[1] == other[1]:
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
623 continue
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
624 # content from "major" wins, unless it is older
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
625 # than the branch point or there is a merge
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
626 if (
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
627 new_tt == other_tt
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
628 or not isancestor(new_tt, other_tt)
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
629 or ismerged(dest)
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
630 ):
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
631 minor[dest] = value
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
632
ad6ebb6f0dfe copies: make two version of the changeset centric algorithm
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45624
diff changeset
633
42595
819712deac69 copies: follow copies across merge base without source file (issue6163)
Martin von Zweigbergk <martinvonz@google.com>
parents: 42594
diff changeset
634 def _forwardcopies(a, b, base=None, match=None):
35422
8801cdcea01f copies: extract method for getting non-wdir forward copies
Martin von Zweigbergk <martinvonz@google.com>
parents: 35421
diff changeset
635 """find {dst@b: src@a} copy mapping where a is an ancestor of b"""
8801cdcea01f copies: extract method for getting non-wdir forward copies
Martin von Zweigbergk <martinvonz@google.com>
parents: 35421
diff changeset
636
42595
819712deac69 copies: follow copies across merge base without source file (issue6163)
Martin von Zweigbergk <martinvonz@google.com>
parents: 42594
diff changeset
637 if base is None:
819712deac69 copies: follow copies across merge base without source file (issue6163)
Martin von Zweigbergk <martinvonz@google.com>
parents: 42594
diff changeset
638 base = a
40448
873f3682c8af narrow: make copies.pathcopies() filter with narrowspec again
Martin von Zweigbergk <martinvonz@google.com>
parents: 40076
diff changeset
639 match = a.repo().narrowmatch(match)
35422
8801cdcea01f copies: extract method for getting non-wdir forward copies
Martin von Zweigbergk <martinvonz@google.com>
parents: 35421
diff changeset
640 # check for working copy
8801cdcea01f copies: extract method for getting non-wdir forward copies
Martin von Zweigbergk <martinvonz@google.com>
parents: 35421
diff changeset
641 if b.rev() is None:
42595
819712deac69 copies: follow copies across merge base without source file (issue6163)
Martin von Zweigbergk <martinvonz@google.com>
parents: 42594
diff changeset
642 cm = _committedforwardcopies(a, b.p1(), base, match)
35423
e54f02ec6a05 copies: group wdir-handling in one place
Martin von Zweigbergk <martinvonz@google.com>
parents: 35422
diff changeset
643 # combine copies from dirstate if necessary
42593
11ceb1b8fd74 copies: inline _chainandfilter() to prepare for next patch
Martin von Zweigbergk <martinvonz@google.com>
parents: 42592
diff changeset
644 copies = _chain(cm, _dirstatecopies(b._repo, match))
42592
a48f6f18dc6d copies: remove most early returns from pathcopies() and _forwardcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42591
diff changeset
645 else:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
646 copies = _committedforwardcopies(a, b, base, match)
42592
a48f6f18dc6d copies: remove most early returns from pathcopies() and _forwardcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42591
diff changeset
647 return copies
15775
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
648
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
649
41753
3158cb74fbca copies: make _backwardrenames() filter out copies by destination
Martin von Zweigbergk <martinvonz@google.com>
parents: 41752
diff changeset
650 def _backwardrenames(a, b, match):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
651 if a._repo.ui.config(b'experimental', b'copytrace') == b'off':
26013
38f92d12357c copy: add flag for disabling copy tracing
Durham Goode <durham@fb.com>
parents: 25924
diff changeset
652 return {}
38f92d12357c copy: add flag for disabling copy tracing
Durham Goode <durham@fb.com>
parents: 25924
diff changeset
653
18136
f23dea2b296e copies: do not track backward copies, only renames (issue3739)
Siddharth Agarwal <sid0@fb.com>
parents: 18135
diff changeset
654 # Even though we're not taking copies into account, 1:n rename situations
f23dea2b296e copies: do not track backward copies, only renames (issue3739)
Siddharth Agarwal <sid0@fb.com>
parents: 18135
diff changeset
655 # can still exist (e.g. hg cp a b; hg mv a c). In those cases we
f23dea2b296e copies: do not track backward copies, only renames (issue3739)
Siddharth Agarwal <sid0@fb.com>
parents: 18135
diff changeset
656 # arbitrarily pick one of the renames.
41753
3158cb74fbca copies: make _backwardrenames() filter out copies by destination
Martin von Zweigbergk <martinvonz@google.com>
parents: 41752
diff changeset
657 # We don't want to pass in "match" here, since that would filter
3158cb74fbca copies: make _backwardrenames() filter out copies by destination
Martin von Zweigbergk <martinvonz@google.com>
parents: 41752
diff changeset
658 # the destination by it. Since we're reversing the copies, we want
3158cb74fbca copies: make _backwardrenames() filter out copies by destination
Martin von Zweigbergk <martinvonz@google.com>
parents: 41752
diff changeset
659 # to filter the source instead.
15775
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
660 f = _forwardcopies(b, a)
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
661 r = {}
43106
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43077
diff changeset
662 for k, v in sorted(pycompat.iteritems(f)):
41753
3158cb74fbca copies: make _backwardrenames() filter out copies by destination
Martin von Zweigbergk <martinvonz@google.com>
parents: 41752
diff changeset
663 if match and not match(v):
3158cb74fbca copies: make _backwardrenames() filter out copies by destination
Martin von Zweigbergk <martinvonz@google.com>
parents: 41752
diff changeset
664 continue
18136
f23dea2b296e copies: do not track backward copies, only renames (issue3739)
Siddharth Agarwal <sid0@fb.com>
parents: 18135
diff changeset
665 # remove copies
f23dea2b296e copies: do not track backward copies, only renames (issue3739)
Siddharth Agarwal <sid0@fb.com>
parents: 18135
diff changeset
666 if v in a:
f23dea2b296e copies: do not track backward copies, only renames (issue3739)
Siddharth Agarwal <sid0@fb.com>
parents: 18135
diff changeset
667 continue
15775
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
668 r[v] = k
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
669 return r
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
670
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
671
24782
4906dc0e038c copies: add matcher parameter to copy logic
Durham Goode <durham@fb.com>
parents: 24625
diff changeset
672 def pathcopies(x, y, match=None):
35421
9cf37d111acb copies: consistently use """ for docstrings
Martin von Zweigbergk <martinvonz@google.com>
parents: 35420
diff changeset
673 """find {dst@y: src@x} copy mapping for directed compare"""
40057
25b2868206e2 copies: add a devel debug mode to trace what copy tracing does
Boris Feld <boris.feld@octobus.net>
parents: 39966
diff changeset
674 repo = x._repo
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
675 debug = repo.ui.debugflag and repo.ui.configbool(b'devel', b'debug.copies')
40057
25b2868206e2 copies: add a devel debug mode to trace what copy tracing does
Boris Feld <boris.feld@octobus.net>
parents: 39966
diff changeset
676 if debug:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
677 repo.ui.debug(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
678 b'debug.copies: searching copies from %s to %s\n' % (x, y)
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
679 )
15775
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
680 if x == y or not x or not y:
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
681 return {}
44276
30862e226339 copies: avoid filtering by short-circuit dirstate-only copies earlier
Martin von Zweigbergk <martinvonz@google.com>
parents: 44237
diff changeset
682 if y.rev() is None and x == y.p1():
30862e226339 copies: avoid filtering by short-circuit dirstate-only copies earlier
Martin von Zweigbergk <martinvonz@google.com>
parents: 44237
diff changeset
683 if debug:
30862e226339 copies: avoid filtering by short-circuit dirstate-only copies earlier
Martin von Zweigbergk <martinvonz@google.com>
parents: 44237
diff changeset
684 repo.ui.debug(b'debug.copies: search mode: dirstate\n')
30862e226339 copies: avoid filtering by short-circuit dirstate-only copies earlier
Martin von Zweigbergk <martinvonz@google.com>
parents: 44237
diff changeset
685 # short-circuit to avoid issues with merge states
30862e226339 copies: avoid filtering by short-circuit dirstate-only copies earlier
Martin von Zweigbergk <martinvonz@google.com>
parents: 44237
diff changeset
686 return _dirstatecopies(repo, match)
15775
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
687 a = y.ancestor(x)
91eb4512edd0 copies: rewrite copy detection for non-merge users
Matt Mackall <mpm@selenic.com>
parents: 15774
diff changeset
688 if a == x:
40057
25b2868206e2 copies: add a devel debug mode to trace what copy tracing does
Boris Feld <boris.feld@octobus.net>
parents: 39966
diff changeset
689 if debug:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
690 repo.ui.debug(b'debug.copies: search mode: forward\n')
42592
a48f6f18dc6d copies: remove most early returns from pathcopies() and _forwardcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42591
diff changeset
691 copies = _forwardcopies(x, y, match=match)
a48f6f18dc6d copies: remove most early returns from pathcopies() and _forwardcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42591
diff changeset
692 elif a == y:
40057
25b2868206e2 copies: add a devel debug mode to trace what copy tracing does
Boris Feld <boris.feld@octobus.net>
parents: 39966
diff changeset
693 if debug:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
694 repo.ui.debug(b'debug.copies: search mode: backward\n')
42592
a48f6f18dc6d copies: remove most early returns from pathcopies() and _forwardcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42591
diff changeset
695 copies = _backwardrenames(x, y, match=match)
a48f6f18dc6d copies: remove most early returns from pathcopies() and _forwardcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42591
diff changeset
696 else:
a48f6f18dc6d copies: remove most early returns from pathcopies() and _forwardcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42591
diff changeset
697 if debug:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
698 repo.ui.debug(b'debug.copies: search mode: combined\n')
42595
819712deac69 copies: follow copies across merge base without source file (issue6163)
Martin von Zweigbergk <martinvonz@google.com>
parents: 42594
diff changeset
699 base = None
46113
59fa3890d40a node: import symbols explicitly
Joerg Sonnenberger <joerg@bec.de>
parents: 46109
diff changeset
700 if a.rev() != nullrev:
42595
819712deac69 copies: follow copies across merge base without source file (issue6163)
Martin von Zweigbergk <martinvonz@google.com>
parents: 42594
diff changeset
701 base = x
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
702 copies = _chain(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
703 _backwardrenames(x, a, match=match),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
704 _forwardcopies(a, y, base, match=match),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
705 )
42594
d013099c551b copies: filter invalid copies only at end of pathcopies() (issue6163)
Martin von Zweigbergk <martinvonz@google.com>
parents: 42593
diff changeset
706 _filter(x, y, copies)
42592
a48f6f18dc6d copies: remove most early returns from pathcopies() and _forwardcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42591
diff changeset
707 return copies
15774
0bd17a4bed88 copies: split the copies api for "normal" and merge cases (API)
Matt Mackall <mpm@selenic.com>
parents: 14494
diff changeset
708
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
709
30186
f7ed5af31242 mergecopies: rename 'ca' to 'base'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30185
diff changeset
710 def mergecopies(repo, c1, c2, base):
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
711 """
42118
967c098eed33 copies: move comment about implementation of mergecopies() to end
Martin von Zweigbergk <martinvonz@google.com>
parents: 42115
diff changeset
712 Finds moves and copies between context c1 and c2 that are relevant for
34078
b4b196092cc3 copytrace: move the default copytracing algorithm in a new function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34077
diff changeset
713 merging. 'base' will be used as the merge base.
b4b196092cc3 copytrace: move the default copytracing algorithm in a new function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34077
diff changeset
714
b4b196092cc3 copytrace: move the default copytracing algorithm in a new function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34077
diff changeset
715 Copytracing is used in commands like rebase, merge, unshelve, etc to merge
b4b196092cc3 copytrace: move the default copytracing algorithm in a new function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34077
diff changeset
716 files that were moved/ copied in one merge parent and modified in another.
b4b196092cc3 copytrace: move the default copytracing algorithm in a new function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34077
diff changeset
717 For example:
33822
42ad7cc645a4 copies: add more details to the documentation of mergecopies()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32640
diff changeset
718
42ad7cc645a4 copies: add more details to the documentation of mergecopies()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32640
diff changeset
719 o ---> 4 another commit
42ad7cc645a4 copies: add more details to the documentation of mergecopies()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32640
diff changeset
720 |
42ad7cc645a4 copies: add more details to the documentation of mergecopies()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32640
diff changeset
721 | o ---> 3 commit that modifies a.txt
42ad7cc645a4 copies: add more details to the documentation of mergecopies()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32640
diff changeset
722 | /
42ad7cc645a4 copies: add more details to the documentation of mergecopies()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32640
diff changeset
723 o / ---> 2 commit that moves a.txt to b.txt
42ad7cc645a4 copies: add more details to the documentation of mergecopies()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32640
diff changeset
724 |/
42ad7cc645a4 copies: add more details to the documentation of mergecopies()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32640
diff changeset
725 o ---> 1 merge base
42ad7cc645a4 copies: add more details to the documentation of mergecopies()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32640
diff changeset
726
42ad7cc645a4 copies: add more details to the documentation of mergecopies()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32640
diff changeset
727 If we try to rebase revision 3 on revision 4, since there is no a.txt in
42ad7cc645a4 copies: add more details to the documentation of mergecopies()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32640
diff changeset
728 revision 4, and if user have copytrace disabled, we prints the following
42ad7cc645a4 copies: add more details to the documentation of mergecopies()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32640
diff changeset
729 message:
42ad7cc645a4 copies: add more details to the documentation of mergecopies()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32640
diff changeset
730
42ad7cc645a4 copies: add more details to the documentation of mergecopies()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32640
diff changeset
731 ```other changed <file> which local deleted```
42ad7cc645a4 copies: add more details to the documentation of mergecopies()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32640
diff changeset
732
44199
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
733 Returns a tuple where:
16168
7bbabfe25321 copies: add docstring for mergecopies
Matt Mackall <mpm@selenic.com>
parents: 15994
diff changeset
734
44199
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
735 "branch_copies" an instance of branch_copies.
18134
6c35b53cd28b copies: separate moves via directory renames from explicit copies
Siddharth Agarwal <sid0@fb.com>
parents: 17055
diff changeset
736
16168
7bbabfe25321 copies: add docstring for mergecopies
Matt Mackall <mpm@selenic.com>
parents: 15994
diff changeset
737 "diverge" is a mapping of source name -> list of destination names
7bbabfe25321 copies: add docstring for mergecopies
Matt Mackall <mpm@selenic.com>
parents: 15994
diff changeset
738 for divergent renames.
16794
98687cdddcb1 merge: warn about file deleted in one branch and renamed in other (issue3074)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 16792
diff changeset
739
42118
967c098eed33 copies: move comment about implementation of mergecopies() to end
Martin von Zweigbergk <martinvonz@google.com>
parents: 42115
diff changeset
740 This function calls different copytracing algorithms based on config.
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
741 """
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
742 # avoid silly behavior for update from empty dir
6430
a6a66e812c34 copies: teach symmetric difference about working revisions
Matt Mackall <mpm@selenic.com>
parents: 6429
diff changeset
743 if not c1 or not c2 or c1 == c2:
44200
fa9ad1da2e77 merge: start using the per-side copy dicts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44199
diff changeset
744 return branch_copies(), branch_copies(), {}
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
745
41752
012f695546aa copies: respect narrowmatcher in "parent -> working dir" case
Martin von Zweigbergk <martinvonz@google.com>
parents: 41724
diff changeset
746 narrowmatch = c1.repo().narrowmatch()
012f695546aa copies: respect narrowmatcher in "parent -> working dir" case
Martin von Zweigbergk <martinvonz@google.com>
parents: 41724
diff changeset
747
6646
9eb274d773d9 copies: teach copies about dirstate.copies
Matt Mackall <mpm@selenic.com>
parents: 6431
diff changeset
748 # avoid silly behavior for parent -> working dir
13878
a8d13ee0ce68 misc: replace .parents()[0] with p1()
Matt Mackall <mpm@selenic.com>
parents: 12683
diff changeset
749 if c2.node() is None and c1.node() == repo.dirstate.p1():
44200
fa9ad1da2e77 merge: start using the per-side copy dicts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44199
diff changeset
750 return (
fa9ad1da2e77 merge: start using the per-side copy dicts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44199
diff changeset
751 branch_copies(_dirstatecopies(repo, narrowmatch)),
fa9ad1da2e77 merge: start using the per-side copy dicts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44199
diff changeset
752 branch_copies(),
fa9ad1da2e77 merge: start using the per-side copy dicts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44199
diff changeset
753 {},
fa9ad1da2e77 merge: start using the per-side copy dicts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44199
diff changeset
754 )
6646
9eb274d773d9 copies: teach copies about dirstate.copies
Matt Mackall <mpm@selenic.com>
parents: 6431
diff changeset
755
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
756 copytracing = repo.ui.config(b'experimental', b'copytrace')
42225
d8ca7b99fc51 copies: move check for experimental.copytrace==<falsy> earlier
Martin von Zweigbergk <martinvonz@google.com>
parents: 42224
diff changeset
757 if stringutil.parsebool(copytracing) is False:
d8ca7b99fc51 copies: move check for experimental.copytrace==<falsy> earlier
Martin von Zweigbergk <martinvonz@google.com>
parents: 42224
diff changeset
758 # stringutil.parsebool() returns None when it is unable to parse the
d8ca7b99fc51 copies: move check for experimental.copytrace==<falsy> earlier
Martin von Zweigbergk <martinvonz@google.com>
parents: 42224
diff changeset
759 # value, so we should rely on making sure copytracing is on such cases
44200
fa9ad1da2e77 merge: start using the per-side copy dicts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44199
diff changeset
760 return branch_copies(), branch_copies(), {}
34078
b4b196092cc3 copytrace: move the default copytracing algorithm in a new function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34077
diff changeset
761
42226
a6be3af3a397 copies: ignore heuristics copytracing when using changeset-centric algos
Martin von Zweigbergk <martinvonz@google.com>
parents: 42225
diff changeset
762 if usechangesetcentricalgo(repo):
a6be3af3a397 copies: ignore heuristics copytracing when using changeset-centric algos
Martin von Zweigbergk <martinvonz@google.com>
parents: 42225
diff changeset
763 # The heuristics don't make sense when we need changeset-centric algos
a6be3af3a397 copies: ignore heuristics copytracing when using changeset-centric algos
Martin von Zweigbergk <martinvonz@google.com>
parents: 42225
diff changeset
764 return _fullcopytracing(repo, c1, c2, base)
a6be3af3a397 copies: ignore heuristics copytracing when using changeset-centric algos
Martin von Zweigbergk <martinvonz@google.com>
parents: 42225
diff changeset
765
26013
38f92d12357c copy: add flag for disabling copy tracing
Durham Goode <durham@fb.com>
parents: 25924
diff changeset
766 # Copy trace disabling is explicitly below the node == p1 logic above
38f92d12357c copy: add flag for disabling copy tracing
Durham Goode <durham@fb.com>
parents: 25924
diff changeset
767 # because the logic above is required for a simple copy to be kept across a
38f92d12357c copy: add flag for disabling copy tracing
Durham Goode <durham@fb.com>
parents: 25924
diff changeset
768 # rebase.
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
769 if copytracing == b'heuristics':
34366
d00910b286cd copytrace: use ctx.mutable() instead of adhoc constant of non-public phases
Yuya Nishihara <yuya@tcha.org>
parents: 34348
diff changeset
770 # Do full copytracing if only non-public revisions are involved as
d00910b286cd copytrace: use ctx.mutable() instead of adhoc constant of non-public phases
Yuya Nishihara <yuya@tcha.org>
parents: 34348
diff changeset
771 # that will be fast enough and will also cover the copies which could
d00910b286cd copytrace: use ctx.mutable() instead of adhoc constant of non-public phases
Yuya Nishihara <yuya@tcha.org>
parents: 34348
diff changeset
772 # be missed by heuristics
34311
1826d695ad58 copytrace: add a a new config to limit the number of drafts in heuristics
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34288
diff changeset
773 if _isfullcopytraceable(repo, c1, base):
34288
fc3b8483c6cb copytrace: use the full copytracing method if only drafts are involved
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34179
diff changeset
774 return _fullcopytracing(repo, c1, c2, base)
34179
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
775 return _heuristicscopytracing(repo, c1, c2, base)
34078
b4b196092cc3 copytrace: move the default copytracing algorithm in a new function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34077
diff changeset
776 else:
b4b196092cc3 copytrace: move the default copytracing algorithm in a new function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34077
diff changeset
777 return _fullcopytracing(repo, c1, c2, base)
26013
38f92d12357c copy: add flag for disabling copy tracing
Durham Goode <durham@fb.com>
parents: 25924
diff changeset
778
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
779
34311
1826d695ad58 copytrace: add a a new config to limit the number of drafts in heuristics
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34288
diff changeset
780 def _isfullcopytraceable(repo, c1, base):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45892
diff changeset
781 """Checks that if base, source and destination are all no-public branches,
34366
d00910b286cd copytrace: use ctx.mutable() instead of adhoc constant of non-public phases
Yuya Nishihara <yuya@tcha.org>
parents: 34348
diff changeset
782 if yes let's use the full copytrace algorithm for increased capabilities
d00910b286cd copytrace: use ctx.mutable() instead of adhoc constant of non-public phases
Yuya Nishihara <yuya@tcha.org>
parents: 34348
diff changeset
783 since it will be fast enough.
34516
e79b3611223b copies: add docs for config `experimental.copytrace.sourcecommitlimit`
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34366
diff changeset
784
e79b3611223b copies: add docs for config `experimental.copytrace.sourcecommitlimit`
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34366
diff changeset
785 `experimental.copytrace.sourcecommitlimit` can be used to set a limit for
e79b3611223b copies: add docs for config `experimental.copytrace.sourcecommitlimit`
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34366
diff changeset
786 number of changesets from c1 to base such that if number of changesets are
e79b3611223b copies: add docs for config `experimental.copytrace.sourcecommitlimit`
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34366
diff changeset
787 more than the limit, full copytracing algorithm won't be used.
34288
fc3b8483c6cb copytrace: use the full copytracing method if only drafts are involved
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34179
diff changeset
788 """
34311
1826d695ad58 copytrace: add a a new config to limit the number of drafts in heuristics
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34288
diff changeset
789 if c1.rev() is None:
1826d695ad58 copytrace: add a a new config to limit the number of drafts in heuristics
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34288
diff changeset
790 c1 = c1.p1()
34366
d00910b286cd copytrace: use ctx.mutable() instead of adhoc constant of non-public phases
Yuya Nishihara <yuya@tcha.org>
parents: 34348
diff changeset
791 if c1.mutable() and base.mutable():
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
792 sourcecommitlimit = repo.ui.configint(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
793 b'experimental', b'copytrace.sourcecommitlimit'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
794 )
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
795 commits = len(repo.revs(b'%d::%d', base.rev(), c1.rev()))
34311
1826d695ad58 copytrace: add a a new config to limit the number of drafts in heuristics
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34288
diff changeset
796 return commits < sourcecommitlimit
34288
fc3b8483c6cb copytrace: use the full copytracing method if only drafts are involved
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34179
diff changeset
797 return False
fc3b8483c6cb copytrace: use the full copytracing method if only drafts are involved
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34179
diff changeset
798
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
799
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
800 def _checksinglesidecopies(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
801 src, dsts1, m1, m2, mb, c2, base, copy, renamedelete
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
802 ):
42222
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
803 if src not in m2:
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
804 # deleted on side 2
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
805 if src not in m1:
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
806 # renamed on side 1, deleted on side 2
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
807 renamedelete[src] = dsts1
44210
d0c3eead515a copies: fix crash when copy source is not in graft base
Martin von Zweigbergk <martinvonz@google.com>
parents: 44200
diff changeset
808 elif src not in mb:
d0c3eead515a copies: fix crash when copy source is not in graft base
Martin von Zweigbergk <martinvonz@google.com>
parents: 44200
diff changeset
809 # Work around the "short-circuit to avoid issues with merge states"
d0c3eead515a copies: fix crash when copy source is not in graft base
Martin von Zweigbergk <martinvonz@google.com>
parents: 44200
diff changeset
810 # thing in pathcopies(): pathcopies(x, y) can return a copy where the
d0c3eead515a copies: fix crash when copy source is not in graft base
Martin von Zweigbergk <martinvonz@google.com>
parents: 44200
diff changeset
811 # destination doesn't exist in y.
d0c3eead515a copies: fix crash when copy source is not in graft base
Martin von Zweigbergk <martinvonz@google.com>
parents: 44200
diff changeset
812 pass
44909
d452acc8cce8 flags: account for flag change when tracking rename relevant to merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
813 elif mb[src] != m2[src] and not _related(c2[src], base[src]):
d452acc8cce8 flags: account for flag change when tracking rename relevant to merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
814 return
d452acc8cce8 flags: account for flag change when tracking rename relevant to merge
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44276
diff changeset
815 elif mb[src] != m2[src] or mb.flags(src) != m2.flags(src):
42222
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
816 # modified on side 2
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
817 for dst in dsts1:
44237
b4057d001760 merge: when rename was made on both sides, use ancestor as merge base
Martin von Zweigbergk <martinvonz@google.com>
parents: 44210
diff changeset
818 copy[dst] = src
42222
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
819
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
820
44199
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
821 class branch_copies(object):
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
822 """Information about copies made on one side of a merge/graft.
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
823
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
824 "copy" is a mapping from destination name -> source name,
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
825 where source is in c1 and destination is in c2 or vice-versa.
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
826
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
827 "movewithdir" is a mapping from source name -> destination name,
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
828 where the file at source present in one context but not the other
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
829 needs to be moved to destination by the merge process, because the
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
830 other context moved the directory it is in.
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
831
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
832 "renamedelete" is a mapping of source name -> list of destination
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
833 names for files deleted in c1 that were renamed in c2 or vice-versa.
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
834
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
835 "dirmove" is a mapping of detected source dir -> destination dir renames.
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
836 This is needed for handling changes to new files previously grafted into
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
837 renamed directories.
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
838 """
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
839
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
840 def __init__(
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
841 self, copy=None, renamedelete=None, dirmove=None, movewithdir=None
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
842 ):
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
843 self.copy = {} if copy is None else copy
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
844 self.renamedelete = {} if renamedelete is None else renamedelete
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
845 self.dirmove = {} if dirmove is None else dirmove
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
846 self.movewithdir = {} if movewithdir is None else movewithdir
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
847
44994
cfd06649a1b8 copies: implement __repr__ on branch_copies for debugging
Martin von Zweigbergk <martinvonz@google.com>
parents: 44940
diff changeset
848 def __repr__(self):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45892
diff changeset
849 return '<branch_copies\n copy=%r\n renamedelete=%r\n dirmove=%r\n movewithdir=%r\n>' % (
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45892
diff changeset
850 self.copy,
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45892
diff changeset
851 self.renamedelete,
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45892
diff changeset
852 self.dirmove,
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45892
diff changeset
853 self.movewithdir,
44994
cfd06649a1b8 copies: implement __repr__ on branch_copies for debugging
Martin von Zweigbergk <martinvonz@google.com>
parents: 44940
diff changeset
854 )
cfd06649a1b8 copies: implement __repr__ on branch_copies for debugging
Martin von Zweigbergk <martinvonz@google.com>
parents: 44940
diff changeset
855
44199
7f8bdee0034e copies: define a type to return from mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 44197
diff changeset
856
34078
b4b196092cc3 copytrace: move the default copytracing algorithm in a new function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34077
diff changeset
857 def _fullcopytracing(repo, c1, c2, base):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45892
diff changeset
858 """The full copytracing algorithm which finds all the new files that were
34078
b4b196092cc3 copytrace: move the default copytracing algorithm in a new function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34077
diff changeset
859 added from merge base up to the top commit and for each file it checks if
b4b196092cc3 copytrace: move the default copytracing algorithm in a new function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34077
diff changeset
860 this file was copied from another file.
b4b196092cc3 copytrace: move the default copytracing algorithm in a new function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34077
diff changeset
861
b4b196092cc3 copytrace: move the default copytracing algorithm in a new function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34077
diff changeset
862 This is pretty slow when a lot of changesets are involved but will track all
b4b196092cc3 copytrace: move the default copytracing algorithm in a new function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34077
diff changeset
863 the copies.
b4b196092cc3 copytrace: move the default copytracing algorithm in a new function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34077
diff changeset
864 """
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
865 m1 = c1.manifest()
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
866 m2 = c2.manifest()
30186
f7ed5af31242 mergecopies: rename 'ca' to 'base'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30185
diff changeset
867 mb = base.manifest()
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
868
42222
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
869 copies1 = pathcopies(base, c1)
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
870 copies2 = pathcopies(base, c2)
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
871
44162
baf3fe2977cc copies: move early return in mergecopies() earlier
Martin von Zweigbergk <martinvonz@google.com>
parents: 44093
diff changeset
872 if not (copies1 or copies2):
44200
fa9ad1da2e77 merge: start using the per-side copy dicts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44199
diff changeset
873 return branch_copies(), branch_copies(), {}
44162
baf3fe2977cc copies: move early return in mergecopies() earlier
Martin von Zweigbergk <martinvonz@google.com>
parents: 44093
diff changeset
874
42222
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
875 inversecopies1 = {}
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
876 inversecopies2 = {}
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
877 for dst, src in copies1.items():
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
878 inversecopies1.setdefault(src, []).append(dst)
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
879 for dst, src in copies2.items():
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
880 inversecopies2.setdefault(src, []).append(dst)
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
881
44196
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
882 copy1 = {}
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
883 copy2 = {}
42222
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
884 diverge = {}
44196
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
885 renamedelete1 = {}
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
886 renamedelete2 = {}
42222
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
887 allsources = set(inversecopies1) | set(inversecopies2)
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
888 for src in allsources:
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
889 dsts1 = inversecopies1.get(src)
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
890 dsts2 = inversecopies2.get(src)
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
891 if dsts1 and dsts2:
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
892 # copied/renamed on both sides
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
893 if src not in m1 and src not in m2:
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
894 # renamed on both sides
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
895 dsts1 = set(dsts1)
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
896 dsts2 = set(dsts2)
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
897 # If there's some overlap in the rename destinations, we
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
898 # consider it not divergent. For example, if side 1 copies 'a'
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
899 # to 'b' and 'c' and deletes 'a', and side 2 copies 'a' to 'c'
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
900 # and 'd' and deletes 'a'.
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
901 if dsts1 & dsts2:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
902 for dst in dsts1 & dsts2:
44196
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
903 copy1[dst] = src
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
904 copy2[dst] = src
42222
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
905 else:
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
906 diverge[src] = sorted(dsts1 | dsts2)
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
907 elif src in m1 and src in m2:
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
908 # copied on both sides
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
909 dsts1 = set(dsts1)
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
910 dsts2 = set(dsts2)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
911 for dst in dsts1 & dsts2:
44196
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
912 copy1[dst] = src
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
913 copy2[dst] = src
42222
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
914 # TODO: Handle cases where it was renamed on one side and copied
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
915 # on the other side
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
916 elif dsts1:
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
917 # copied/renamed only on side 1
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
918 _checksinglesidecopies(
44196
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
919 src, dsts1, m1, m2, mb, c2, base, copy1, renamedelete1
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
920 )
42222
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
921 elif dsts2:
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
922 # copied/renamed only on side 2
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
923 _checksinglesidecopies(
44196
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
924 src, dsts2, m2, m1, mb, c1, base, copy2, renamedelete2
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
925 )
42222
57203e0210f8 copies: calculate mergecopies() based on pathcopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42210
diff changeset
926
26659
df66736a128e copies: group bothnew with other sets
Matt Mackall <mpm@selenic.com>
parents: 26658
diff changeset
927 # find interesting file sets from manifests
46109
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
928 cache = []
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
929
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
930 def _get_addedfiles(idx):
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
931 if not cache:
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
932 addedinm1 = m1.filesnotin(mb, repo.narrowmatch())
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
933 addedinm2 = m2.filesnotin(mb, repo.narrowmatch())
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
934 u1 = sorted(addedinm1 - addedinm2)
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
935 u2 = sorted(addedinm2 - addedinm1)
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
936 cache.extend((u1, u2))
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
937 return cache[idx]
42223
d69bc8ffbe6f copies: inline _computenonoverlap() in mergecopies()
Martin von Zweigbergk <martinvonz@google.com>
parents: 42222
diff changeset
938
46109
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
939 u1fn = lambda: _get_addedfiles(0)
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
940 u2fn = lambda: _get_addedfiles(1)
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
941 if repo.ui.debugflag:
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
942 u1 = u1fn()
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
943 u2 = u2fn()
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
944
46109
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
945 header = b" unmatched files in %s"
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
946 if u1:
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
947 repo.ui.debug(
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
948 b"%s:\n %s\n" % (header % b'local', b"\n ".join(u1))
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
949 )
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
950 if u2:
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
951 repo.ui.debug(
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
952 b"%s:\n %s\n" % (header % b'other', b"\n ".join(u2))
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
953 )
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
954
44163
782e0d9c3b74 copies: avoid calculating debug-only stuff without --debug
Martin von Zweigbergk <martinvonz@google.com>
parents: 44162
diff changeset
955 renamedeleteset = set()
782e0d9c3b74 copies: avoid calculating debug-only stuff without --debug
Martin von Zweigbergk <martinvonz@google.com>
parents: 44162
diff changeset
956 divergeset = set()
782e0d9c3b74 copies: avoid calculating debug-only stuff without --debug
Martin von Zweigbergk <martinvonz@google.com>
parents: 44162
diff changeset
957 for dsts in diverge.values():
782e0d9c3b74 copies: avoid calculating debug-only stuff without --debug
Martin von Zweigbergk <martinvonz@google.com>
parents: 44162
diff changeset
958 divergeset.update(dsts)
44196
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
959 for dsts in renamedelete1.values():
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
960 renamedeleteset.update(dsts)
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
961 for dsts in renamedelete2.values():
44163
782e0d9c3b74 copies: avoid calculating debug-only stuff without --debug
Martin von Zweigbergk <martinvonz@google.com>
parents: 44162
diff changeset
962 renamedeleteset.update(dsts)
782e0d9c3b74 copies: avoid calculating debug-only stuff without --debug
Martin von Zweigbergk <martinvonz@google.com>
parents: 44162
diff changeset
963
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
964 repo.ui.debug(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
965 b" all copies found (* = to merge, ! = divergent, "
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
966 b"% = renamed and deleted):\n"
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
967 )
44197
17e12938f8e7 copies: print debug information about copies per side/branch
Martin von Zweigbergk <martinvonz@google.com>
parents: 44196
diff changeset
968 for side, copies in ((b"local", copies1), (b"remote", copies2)):
17e12938f8e7 copies: print debug information about copies per side/branch
Martin von Zweigbergk <martinvonz@google.com>
parents: 44196
diff changeset
969 if not copies:
17e12938f8e7 copies: print debug information about copies per side/branch
Martin von Zweigbergk <martinvonz@google.com>
parents: 44196
diff changeset
970 continue
17e12938f8e7 copies: print debug information about copies per side/branch
Martin von Zweigbergk <martinvonz@google.com>
parents: 44196
diff changeset
971 repo.ui.debug(b" on %s side:\n" % side)
17e12938f8e7 copies: print debug information about copies per side/branch
Martin von Zweigbergk <martinvonz@google.com>
parents: 44196
diff changeset
972 for f in sorted(copies):
17e12938f8e7 copies: print debug information about copies per side/branch
Martin von Zweigbergk <martinvonz@google.com>
parents: 44196
diff changeset
973 note = b""
17e12938f8e7 copies: print debug information about copies per side/branch
Martin von Zweigbergk <martinvonz@google.com>
parents: 44196
diff changeset
974 if f in copy1 or f in copy2:
17e12938f8e7 copies: print debug information about copies per side/branch
Martin von Zweigbergk <martinvonz@google.com>
parents: 44196
diff changeset
975 note += b"*"
17e12938f8e7 copies: print debug information about copies per side/branch
Martin von Zweigbergk <martinvonz@google.com>
parents: 44196
diff changeset
976 if f in divergeset:
17e12938f8e7 copies: print debug information about copies per side/branch
Martin von Zweigbergk <martinvonz@google.com>
parents: 44196
diff changeset
977 note += b"!"
17e12938f8e7 copies: print debug information about copies per side/branch
Martin von Zweigbergk <martinvonz@google.com>
parents: 44196
diff changeset
978 if f in renamedeleteset:
17e12938f8e7 copies: print debug information about copies per side/branch
Martin von Zweigbergk <martinvonz@google.com>
parents: 44196
diff changeset
979 note += b"%"
17e12938f8e7 copies: print debug information about copies per side/branch
Martin von Zweigbergk <martinvonz@google.com>
parents: 44196
diff changeset
980 repo.ui.debug(
17e12938f8e7 copies: print debug information about copies per side/branch
Martin von Zweigbergk <martinvonz@google.com>
parents: 44196
diff changeset
981 b" src: '%s' -> dst: '%s' %s\n" % (copies[f], f, note)
17e12938f8e7 copies: print debug information about copies per side/branch
Martin von Zweigbergk <martinvonz@google.com>
parents: 44196
diff changeset
982 )
44163
782e0d9c3b74 copies: avoid calculating debug-only stuff without --debug
Martin von Zweigbergk <martinvonz@google.com>
parents: 44162
diff changeset
983 del renamedeleteset
782e0d9c3b74 copies: avoid calculating debug-only stuff without --debug
Martin von Zweigbergk <martinvonz@google.com>
parents: 44162
diff changeset
984 del divergeset
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
985
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
986 repo.ui.debug(b" checking for directory renames\n")
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
987
46109
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
988 dirmove1, movewithdir2 = _dir_renames(repo, c1, copy1, copies1, u2fn)
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
989 dirmove2, movewithdir1 = _dir_renames(repo, c2, copy2, copies2, u1fn)
44164
45192589555c copies: extract function for finding directory renames
Martin von Zweigbergk <martinvonz@google.com>
parents: 44163
diff changeset
990
44200
fa9ad1da2e77 merge: start using the per-side copy dicts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44199
diff changeset
991 branch_copies1 = branch_copies(copy1, renamedelete1, dirmove1, movewithdir1)
fa9ad1da2e77 merge: start using the per-side copy dicts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44199
diff changeset
992 branch_copies2 = branch_copies(copy2, renamedelete2, dirmove2, movewithdir2)
44196
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
993
44200
fa9ad1da2e77 merge: start using the per-side copy dicts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44199
diff changeset
994 return branch_copies1, branch_copies2, diverge
44164
45192589555c copies: extract function for finding directory renames
Martin von Zweigbergk <martinvonz@google.com>
parents: 44163
diff changeset
995
45192589555c copies: extract function for finding directory renames
Martin von Zweigbergk <martinvonz@google.com>
parents: 44163
diff changeset
996
46109
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
997 def _dir_renames(repo, ctx, copy, fullcopy, addedfilesfn):
44196
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
998 """Finds moved directories and files that should move with them.
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
999
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
1000 ctx: the context for one of the sides
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
1001 copy: files copied on the same side (as ctx)
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
1002 fullcopy: files copied on the same side (as ctx), including those that
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
1003 merge.manifestmerge() won't care about
46109
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
1004 addedfilesfn: function returning added files on the other side (compared to
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
1005 ctx)
44196
6ca9f45b32b0 copies: make mergecopies() distinguish between copies on each side
Martin von Zweigbergk <martinvonz@google.com>
parents: 44164
diff changeset
1006 """
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1007 # generate a directory move map
17055
8b7cd9a998f0 copies: re-include root directory in directory rename detection (issue3511)
Matt Mackall <mpm@selenic.com>
parents: 16795
diff changeset
1008 invalid = set()
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1009 dirmove = {}
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1010
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1011 # examine each file copy for a potential directory move, which is
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1012 # when all the files in a directory are moved to a new directory
43106
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43077
diff changeset
1013 for dst, src in pycompat.iteritems(fullcopy):
25282
0f28815ef066 copies: switch to using pathutil.dirname
Durham Goode <durham@fb.com>
parents: 24782
diff changeset
1014 dsrc, ddst = pathutil.dirname(src), pathutil.dirname(dst)
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1015 if dsrc in invalid:
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1016 # already seen to be uninteresting
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1017 continue
46011
b9588ff9b66a copies: avoid materializing a full directory map during copy tracing
Kyle Lippincott <spectral@google.com>
parents: 45986
diff changeset
1018 elif ctx.hasdir(dsrc) and ctx.hasdir(ddst):
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1019 # directory wasn't entirely moved locally
39263
eebd591803ab copies: correctly skip directories that have already been considered
Kyle Lippincott <spectral@google.com>
parents: 38670
diff changeset
1020 invalid.add(dsrc)
eebd591803ab copies: correctly skip directories that have already been considered
Kyle Lippincott <spectral@google.com>
parents: 38670
diff changeset
1021 elif dsrc in dirmove and dirmove[dsrc] != ddst:
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1022 # files from the same directory moved to two different places
39263
eebd591803ab copies: correctly skip directories that have already been considered
Kyle Lippincott <spectral@google.com>
parents: 38670
diff changeset
1023 invalid.add(dsrc)
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1024 else:
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1025 # looks good so far
39263
eebd591803ab copies: correctly skip directories that have already been considered
Kyle Lippincott <spectral@google.com>
parents: 38670
diff changeset
1026 dirmove[dsrc] = ddst
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1027
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1028 for i in invalid:
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1029 if i in dirmove:
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1030 del dirmove[i]
46011
b9588ff9b66a copies: avoid materializing a full directory map during copy tracing
Kyle Lippincott <spectral@google.com>
parents: 45986
diff changeset
1031 del invalid
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1032
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1033 if not dirmove:
44164
45192589555c copies: extract function for finding directory renames
Martin von Zweigbergk <martinvonz@google.com>
parents: 44163
diff changeset
1034 return {}, {}
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1035
43106
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43077
diff changeset
1036 dirmove = {k + b"/": v + b"/" for k, v in pycompat.iteritems(dirmove)}
39263
eebd591803ab copies: correctly skip directories that have already been considered
Kyle Lippincott <spectral@google.com>
parents: 38670
diff changeset
1037
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1038 for d in dirmove:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1039 repo.ui.debug(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1040 b" discovered dir src: '%s' -> dst: '%s'\n" % (d, dirmove[d])
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1041 )
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1042
30183
0106f93ca1d5 checkcopies: move 'movewithdir' initialisation right before its usage
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30138
diff changeset
1043 movewithdir = {}
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1044 # check unaccounted nonoverlapping files against directory moves
46109
2f357d053df2 copies: make calculating lazy for dir move detection's "addedfiles"
Kyle Lippincott <spectral@google.com>
parents: 46057
diff changeset
1045 for f in addedfilesfn():
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1046 if f not in fullcopy:
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1047 for d in dirmove:
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1048 if f.startswith(d):
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1049 # new file added in a directory that was moved, move it
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1050 df = dirmove[d] + f[len(d) :]
6426
e2c49ef2dd6e copies: don't double-detect items in the directory copy check
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
1051 if df not in copy:
18134
6c35b53cd28b copies: separate moves via directory renames from explicit copies
Siddharth Agarwal <sid0@fb.com>
parents: 17055
diff changeset
1052 movewithdir[f] = df
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1053 repo.ui.debug(
43117
8ff1ecfadcd1 cleanup: join string literals that are already on one line
Martin von Zweigbergk <martinvonz@google.com>
parents: 43106
diff changeset
1054 b" pending file src: '%s' -> dst: '%s'\n"
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1055 % (f, df)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1056 )
6274
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1057 break
f3f383efbeae copies: move findcopies code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1058
44164
45192589555c copies: extract function for finding directory renames
Martin von Zweigbergk <martinvonz@google.com>
parents: 44163
diff changeset
1059 return dirmove, movewithdir
19178
4327687ca757 copies: refactor checkcopies() into a top level method
Durham Goode <durham@fb.com>
parents: 18899
diff changeset
1060
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1061
34179
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1062 def _heuristicscopytracing(repo, c1, c2, base):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45892
diff changeset
1063 """Fast copytracing using filename heuristics
34179
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1064
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1065 Assumes that moves or renames are of following two types:
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1066
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1067 1) Inside a directory only (same directory name but different filenames)
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1068 2) Move from one directory to another
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1069 (same filenames but different directory names)
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1070
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1071 Works only when there are no merge commits in the "source branch".
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1072 Source branch is commits from base up to c2 not including base.
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1073
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1074 If merge is involved it fallbacks to _fullcopytracing().
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1075
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1076 Can be used by setting the following config:
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1077
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1078 [experimental]
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1079 copytrace = heuristics
34846
f05a6e015ecc copies: add a config to limit the number of candidates to check in heuristics
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34787
diff changeset
1080
f05a6e015ecc copies: add a config to limit the number of candidates to check in heuristics
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34787
diff changeset
1081 In some cases the copy/move candidates found by heuristics can be very large
f05a6e015ecc copies: add a config to limit the number of candidates to check in heuristics
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34787
diff changeset
1082 in number and that will make the algorithm slow. The number of possible
f05a6e015ecc copies: add a config to limit the number of candidates to check in heuristics
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34787
diff changeset
1083 candidates to check can be limited by using the config
f05a6e015ecc copies: add a config to limit the number of candidates to check in heuristics
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34787
diff changeset
1084 `experimental.copytrace.movecandidateslimit` which defaults to 100.
34179
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1085 """
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1086
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1087 if c1.rev() is None:
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1088 c1 = c1.p1()
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1089 if c2.rev() is None:
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1090 c2 = c2.p1()
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1091
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1092 changedfiles = set()
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1093 m1 = c1.manifest()
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1094 if not repo.revs(b'%d::%d', base.rev(), c2.rev()):
34179
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1095 # If base is not in c2 branch, we switch to fullcopytracing
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1096 repo.ui.debug(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1097 b"switching to full copytracing as base is not "
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1098 b"an ancestor of c2\n"
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1099 )
34179
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1100 return _fullcopytracing(repo, c1, c2, base)
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1101
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1102 ctx = c2
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1103 while ctx != base:
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1104 if len(ctx.parents()) == 2:
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1105 # To keep things simple let's not handle merges
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1106 repo.ui.debug(b"switching to full copytracing because of merges\n")
34179
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1107 return _fullcopytracing(repo, c1, c2, base)
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1108 changedfiles.update(ctx.files())
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1109 ctx = ctx.p1()
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1110
44200
fa9ad1da2e77 merge: start using the per-side copy dicts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44199
diff changeset
1111 copies2 = {}
34179
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1112 cp = _forwardcopies(base, c2)
43106
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43077
diff changeset
1113 for dst, src in pycompat.iteritems(cp):
34179
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1114 if src in m1:
44200
fa9ad1da2e77 merge: start using the per-side copy dicts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44199
diff changeset
1115 copies2[dst] = src
34179
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1116
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1117 # file is missing if it isn't present in the destination, but is present in
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1118 # the base and present in the source.
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1119 # Presence in the base is important to exclude added files, presence in the
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1120 # source is important to exclude removed files.
36346
f62369667a7c py3: use list comprehensions instead of filter where we need to eagerly filter
Augie Fackler <augie@google.com>
parents: 36117
diff changeset
1121 filt = lambda f: f not in m1 and f in base and f in c2
f62369667a7c py3: use list comprehensions instead of filter where we need to eagerly filter
Augie Fackler <augie@google.com>
parents: 36117
diff changeset
1122 missingfiles = [f for f in changedfiles if filt(f)]
34179
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1123
44200
fa9ad1da2e77 merge: start using the per-side copy dicts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44199
diff changeset
1124 copies1 = {}
34179
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1125 if missingfiles:
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1126 basenametofilename = collections.defaultdict(list)
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1127 dirnametofilename = collections.defaultdict(list)
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1128
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1129 for f in m1.filesnotin(base.manifest()):
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1130 basename = os.path.basename(f)
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1131 dirname = os.path.dirname(f)
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1132 basenametofilename[basename].append(f)
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1133 dirnametofilename[dirname].append(f)
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1134
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1135 for f in missingfiles:
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1136 basename = os.path.basename(f)
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1137 dirname = os.path.dirname(f)
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1138 samebasename = basenametofilename[basename]
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1139 samedirname = dirnametofilename[dirname]
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1140 movecandidates = samebasename + samedirname
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1141 # f is guaranteed to be present in c2, that's why
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1142 # c2.filectx(f) won't fail
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1143 f2 = c2.filectx(f)
34846
f05a6e015ecc copies: add a config to limit the number of candidates to check in heuristics
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34787
diff changeset
1144 # we can have a lot of candidates which can slow down the heuristics
f05a6e015ecc copies: add a config to limit the number of candidates to check in heuristics
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34787
diff changeset
1145 # config value to limit the number of candidates moves to check
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1146 maxcandidates = repo.ui.configint(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1147 b'experimental', b'copytrace.movecandidateslimit'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1148 )
34846
f05a6e015ecc copies: add a config to limit the number of candidates to check in heuristics
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34787
diff changeset
1149
f05a6e015ecc copies: add a config to limit the number of candidates to check in heuristics
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34787
diff changeset
1150 if len(movecandidates) > maxcandidates:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1151 repo.ui.status(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1152 _(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1153 b"skipping copytracing for '%s', more "
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1154 b"candidates than the limit: %d\n"
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1155 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1156 % (f, len(movecandidates))
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1157 )
34846
f05a6e015ecc copies: add a config to limit the number of candidates to check in heuristics
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34787
diff changeset
1158 continue
f05a6e015ecc copies: add a config to limit the number of candidates to check in heuristics
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34787
diff changeset
1159
34179
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1160 for candidate in movecandidates:
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1161 f1 = c1.filectx(candidate)
37392
a4f02a17420d copies: clean up _related logic
G?bor Stefanik <gabor.stefanik@nng.com>
parents: 36346
diff changeset
1162 if _related(f1, f2):
34179
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1163 # if there are a few related copies then we'll merge
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1164 # changes into all of them. This matches the behaviour
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1165 # of upstream copytracing
44200
fa9ad1da2e77 merge: start using the per-side copy dicts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44199
diff changeset
1166 copies1[candidate] = f
34179
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1167
44200
fa9ad1da2e77 merge: start using the per-side copy dicts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44199
diff changeset
1168 return branch_copies(copies1), branch_copies(copies2), {}
34179
036d47d7cf39 copytrace: move fast heuristic copytracing algorithm to core
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34078
diff changeset
1169
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1170
37392
a4f02a17420d copies: clean up _related logic
G?bor Stefanik <gabor.stefanik@nng.com>
parents: 36346
diff changeset
1171 def _related(f1, f2):
30138
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1172 """return True if f1 and f2 filectx have a common ancestor
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1173
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1174 Walk back to common ancestor to see if the two files originate
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1175 from the same file. Since workingfilectx's rev() is None it messes
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1176 up the integer comparison logic, hence the pre-step check for
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1177 None (f1 and f2 can only be workingfilectx's initially).
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1178 """
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1179
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1180 if f1 == f2:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1181 return True # a match
30138
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1182
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1183 g1, g2 = f1.ancestors(), f2.ancestors()
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1184 try:
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1185 f1r, f2r = f1.linkrev(), f2.linkrev()
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1186
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1187 if f1r is None:
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1188 f1 = next(g1)
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1189 if f2r is None:
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1190 f2 = next(g2)
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1191
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1192 while True:
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1193 f1r, f2r = f1.linkrev(), f2.linkrev()
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1194 if f1r > f2r:
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1195 f1 = next(g1)
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1196 elif f2r > f1r:
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1197 f2 = next(g2)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1198 else: # f1 and f2 point to files in the same linkrev
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1199 return f1 == f2 # true if they point to the same file
30138
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1200 except StopIteration:
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1201 return False
733fb9f7bc92 checkcopies: extract the '_related' closure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30137
diff changeset
1202
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43020
diff changeset
1203
44092
833210fbd900 graftcopies: remove `skip` and `repo` arguments
Martin von Zweigbergk <martinvonz@google.com>
parents: 44091
diff changeset
1204 def graftcopies(wctx, ctx, base):
44093
06e7e7652ac0 graftcopies: document why the function is useful at all
Martin von Zweigbergk <martinvonz@google.com>
parents: 44092
diff changeset
1205 """reproduce copies between base and ctx in the wctx
06e7e7652ac0 graftcopies: document why the function is useful at all
Martin von Zweigbergk <martinvonz@google.com>
parents: 44092
diff changeset
1206
06e7e7652ac0 graftcopies: document why the function is useful at all
Martin von Zweigbergk <martinvonz@google.com>
parents: 44092
diff changeset
1207 Unlike mergecopies(), this function will only consider copies between base
06e7e7652ac0 graftcopies: document why the function is useful at all
Martin von Zweigbergk <martinvonz@google.com>
parents: 44092
diff changeset
1208 and ctx; it will ignore copies between base and wctx. Also unlike
06e7e7652ac0 graftcopies: document why the function is useful at all
Martin von Zweigbergk <martinvonz@google.com>
parents: 44092
diff changeset
1209 mergecopies(), this function will apply copies to the working copy (instead
06e7e7652ac0 graftcopies: document why the function is useful at all
Martin von Zweigbergk <martinvonz@google.com>
parents: 44092
diff changeset
1210 of just returning information about the copies). That makes it cheaper
06e7e7652ac0 graftcopies: document why the function is useful at all
Martin von Zweigbergk <martinvonz@google.com>
parents: 44092
diff changeset
1211 (especially in the common case of base==ctx.p1()) and useful also when
06e7e7652ac0 graftcopies: document why the function is useful at all
Martin von Zweigbergk <martinvonz@google.com>
parents: 44092
diff changeset
1212 experimental.copytrace=off.
06e7e7652ac0 graftcopies: document why the function is useful at all
Martin von Zweigbergk <martinvonz@google.com>
parents: 44092
diff changeset
1213
06e7e7652ac0 graftcopies: document why the function is useful at all
Martin von Zweigbergk <martinvonz@google.com>
parents: 44092
diff changeset
1214 merge.update() will have already marked most copies, but it will only
06e7e7652ac0 graftcopies: document why the function is useful at all
Martin von Zweigbergk <martinvonz@google.com>
parents: 44092
diff changeset
1215 mark copies if it thinks the source files are related (see
06e7e7652ac0 graftcopies: document why the function is useful at all
Martin von Zweigbergk <martinvonz@google.com>
parents: 44092
diff changeset
1216 merge._related()). It will also not mark copies if the file wasn't modified
06e7e7652ac0 graftcopies: document why the function is useful at all
Martin von Zweigbergk <martinvonz@google.com>
parents: 44092
diff changeset
1217 on the local side. This function adds the copies that were "missed"
06e7e7652ac0 graftcopies: document why the function is useful at all
Martin von Zweigbergk <martinvonz@google.com>
parents: 44092
diff changeset
1218 by merge.update().
06e7e7652ac0 graftcopies: document why the function is useful at all
Martin von Zweigbergk <martinvonz@google.com>
parents: 44092
diff changeset
1219 """
44091
3df0bd706c40 graftcopies: use _filter() for filtering out invalid copies
Martin von Zweigbergk <martinvonz@google.com>
parents: 44090
diff changeset
1220 new_copies = pathcopies(base, ctx)
3df0bd706c40 graftcopies: use _filter() for filtering out invalid copies
Martin von Zweigbergk <martinvonz@google.com>
parents: 44090
diff changeset
1221 _filter(wctx.p1(), wctx, new_copies)
3df0bd706c40 graftcopies: use _filter() for filtering out invalid copies
Martin von Zweigbergk <martinvonz@google.com>
parents: 44090
diff changeset
1222 for dst, src in pycompat.iteritems(new_copies):
3df0bd706c40 graftcopies: use _filter() for filtering out invalid copies
Martin von Zweigbergk <martinvonz@google.com>
parents: 44090
diff changeset
1223 wctx[dst].markcopied(src)