annotate hgext/git/index.py @ 52625:27a0bfe770eb

git: minor wording tweak to a comment
author Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
date Fri, 04 Oct 2024 10:26:00 -0400
parents cdbfe5e7592e
children 42f00965e50b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
51859
f4733654f144 typing: add `from __future__ import annotations` to most files
Matt Harbison <matt_harbison@yahoo.com>
parents: 48875
diff changeset
1 from __future__ import annotations
f4733654f144 typing: add `from __future__ import annotations` to most files
Matt Harbison <matt_harbison@yahoo.com>
parents: 48875
diff changeset
2
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
3 import collections
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
4 import os
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
5 import sqlite3
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
6
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
7 from mercurial.i18n import _
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46113
diff changeset
8 from mercurial.node import sha1nodeconstants
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
9
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
10 from mercurial import (
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
11 encoding,
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
12 error,
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
13 pycompat,
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
14 )
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
15
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
16 from . import gitutil
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
17
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
18
44484
ec54b3d2af0b git: don't fail import when pygit2 is not install
Martin von Zweigbergk <martinvonz@google.com>
parents: 44477
diff changeset
19 pygit2 = gitutil.get_pygit2()
ec54b3d2af0b git: don't fail import when pygit2 is not install
Martin von Zweigbergk <martinvonz@google.com>
parents: 44477
diff changeset
20
52624
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
21 _CURRENT_SCHEMA_VERSION = 3
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
22 _SCHEMA = (
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
23 """
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
24 CREATE TABLE refs (
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
25 -- node and name are unique together. There may be more than one name for
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
26 -- a given node, and there may be no name at all for a given node (in the
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
27 -- case of an anonymous hg head).
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
28 node TEXT NOT NULL,
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
29 name TEXT
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
30 );
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
31
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
32 -- The "possible heads" of the repository, which we use to figure out
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
33 -- if we need to re-walk the changelog.
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
34 CREATE TABLE possible_heads (
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
35 node TEXT NOT NULL
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
36 );
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
37
52622
aa5844ade247 git: speed up possible head processing during indexing by ~100x
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 51859
diff changeset
38 CREATE UNIQUE INDEX possible_heads_idx ON possible_heads(node);
aa5844ade247 git: speed up possible head processing during indexing by ~100x
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 51859
diff changeset
39
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
40 -- The topological heads of the changelog, which hg depends on.
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
41 CREATE TABLE heads (
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
42 node TEXT NOT NULL
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
43 );
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
44
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
45 -- A total ordering of the changelog
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
46 CREATE TABLE changelog (
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
47 rev INTEGER NOT NULL PRIMARY KEY,
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
48 node TEXT NOT NULL,
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
49 p1 TEXT,
52624
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
50 p2 TEXT,
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
51 synthetic TEXT
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
52 );
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
53
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
54 CREATE UNIQUE INDEX changelog_node_idx ON changelog(node);
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
55 CREATE UNIQUE INDEX changelog_node_rev_idx ON changelog(rev, node);
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
56
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
57 -- Changed files for each commit, which lets us dynamically build
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
58 -- filelogs.
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
59 CREATE TABLE changedfiles (
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
60 node TEXT NOT NULL,
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
61 filename TEXT NOT NULL,
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
62 -- 40 zeroes for deletions
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
63 filenode TEXT NOT NULL,
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
64 -- to handle filelog parentage:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
65 p1node TEXT,
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
66 p1filenode TEXT,
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
67 p2node TEXT,
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
68 p2filenode TEXT
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
69 );
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
70
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
71 CREATE INDEX changedfiles_nodes_idx
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
72 ON changedfiles(node);
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
73
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
74 PRAGMA user_version=%d
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
75 """
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
76 % _CURRENT_SCHEMA_VERSION
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
77 )
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
78
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
79
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
80 def _createdb(path):
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
81 # print('open db', path)
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
82 # import traceback
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
83 # traceback.print_stack()
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
84 db = sqlite3.connect(encoding.strfromlocal(path))
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
85 db.text_factory = bytes
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
86
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
87 res = db.execute('PRAGMA user_version').fetchone()[0]
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
88
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
89 # New database.
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
90 if res == 0:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
91 for statement in _SCHEMA.split(';'):
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
92 db.execute(statement.strip())
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
93
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
94 db.commit()
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
95
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
96 elif res == _CURRENT_SCHEMA_VERSION:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
97 pass
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
98
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
99 else:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
100 raise error.Abort(_(b'sqlite database has unrecognized version'))
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
101
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
102 db.execute('PRAGMA journal_mode=WAL')
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
103
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
104 return db
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
105
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
106
44484
ec54b3d2af0b git: don't fail import when pygit2 is not install
Martin von Zweigbergk <martinvonz@google.com>
parents: 44477
diff changeset
107 _OUR_ORDER = ()
ec54b3d2af0b git: don't fail import when pygit2 is not install
Martin von Zweigbergk <martinvonz@google.com>
parents: 44477
diff changeset
108 if pygit2:
ec54b3d2af0b git: don't fail import when pygit2 is not install
Martin von Zweigbergk <martinvonz@google.com>
parents: 44477
diff changeset
109 _OUR_ORDER = (
ec54b3d2af0b git: don't fail import when pygit2 is not install
Martin von Zweigbergk <martinvonz@google.com>
parents: 44477
diff changeset
110 pygit2.GIT_SORT_TOPOLOGICAL
ec54b3d2af0b git: don't fail import when pygit2 is not install
Martin von Zweigbergk <martinvonz@google.com>
parents: 44477
diff changeset
111 | pygit2.GIT_SORT_TIME
ec54b3d2af0b git: don't fail import when pygit2 is not install
Martin von Zweigbergk <martinvonz@google.com>
parents: 44477
diff changeset
112 | pygit2.GIT_SORT_REVERSE
ec54b3d2af0b git: don't fail import when pygit2 is not install
Martin von Zweigbergk <martinvonz@google.com>
parents: 44477
diff changeset
113 )
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
114
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
115 _DIFF_FLAGS = 1 << 21 # GIT_DIFF_FORCE_BINARY, which isn't exposed by pygit2
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
116
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
117
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
118 def _find_nearest_ancestor_introducing_node(
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
119 db, gitrepo, file_path, walk_start, filenode
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
120 ):
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
121 """Find the nearest ancestor that introduces a file node.
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
122
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
123 Args:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
124 db: a handle to our sqlite database.
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
125 gitrepo: A pygit2.Repository instance.
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
126 file_path: the path of a file in the repo
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
127 walk_start: a pygit2.Oid that is a commit where we should start walking
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
128 for our nearest ancestor.
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
129
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
130 Returns:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
131 A hexlified SHA that is the commit ID of the next-nearest parent.
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
132 """
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
133 assert isinstance(file_path, str), 'file_path must be str, got %r' % type(
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
134 file_path
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
135 )
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
136 assert isinstance(filenode, str), 'filenode must be str, got %r' % type(
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
137 filenode
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
138 )
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
139 parent_options = {
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
140 row[0].decode('ascii')
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
141 for row in db.execute(
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
142 'SELECT node FROM changedfiles '
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
143 'WHERE filename = ? AND filenode = ?',
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
144 (file_path, filenode),
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
145 )
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
146 }
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
147 inner_walker = gitrepo.walk(walk_start, _OUR_ORDER)
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
148 for w in inner_walker:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
149 if w.id.hex in parent_options:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
150 return w.id.hex
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
151 raise error.ProgrammingError(
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
152 'Unable to find introducing commit for %s node %s from %s',
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
153 (file_path, filenode, walk_start),
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
154 )
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
155
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
156
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
157 def fill_in_filelog(gitrepo, db, startcommit, path, startfilenode):
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
158 """Given a starting commit and path, fill in a filelog's parent pointers.
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
159
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
160 Args:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
161 gitrepo: a pygit2.Repository
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
162 db: a handle to our sqlite database
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
163 startcommit: a hexlified node id for the commit to start at
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
164 path: the path of the file whose parent pointers we should fill in.
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
165 filenode: the hexlified node id of the file at startcommit
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
166
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
167 TODO: make filenode optional
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
168 """
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
169 assert isinstance(
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
170 startcommit, str
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
171 ), 'startcommit must be str, got %r' % type(startcommit)
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
172 assert isinstance(
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
173 startfilenode, str
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
174 ), 'startfilenode must be str, got %r' % type(startfilenode)
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
175 visit = collections.deque([(startcommit, startfilenode)])
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
176 while visit:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
177 cnode, filenode = visit.popleft()
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
178 commit = gitrepo[cnode]
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
179 parents = []
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
180 for parent in commit.parents:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
181 t = parent.tree
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
182 for comp in path.split('/'):
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
183 try:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
184 t = gitrepo[t[comp].id]
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
185 except KeyError:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
186 break
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
187 else:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
188 introducer = _find_nearest_ancestor_introducing_node(
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
189 db, gitrepo, path, parent.id, t.id.hex
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
190 )
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
191 parents.append((introducer, t.id.hex))
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
192 p1node = p1fnode = p2node = p2fnode = gitutil.nullgit
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
193 for par, parfnode in parents:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
194 found = int(
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
195 db.execute(
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
196 'SELECT COUNT(*) FROM changedfiles WHERE '
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
197 'node = ? AND filename = ? AND filenode = ? AND '
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
198 'p1node NOT NULL',
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
199 (par, path, parfnode),
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
200 ).fetchone()[0]
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
201 )
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
202 if found == 0:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
203 assert par is not None
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
204 visit.append((par, parfnode))
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
205 if parents:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
206 p1node, p1fnode = parents[0]
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
207 if len(parents) == 2:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
208 p2node, p2fnode = parents[1]
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
209 if len(parents) > 2:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
210 raise error.ProgrammingError(
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
211 b"git support can't handle octopus merges"
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
212 )
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
213 db.execute(
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
214 'UPDATE changedfiles SET '
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
215 'p1node = ?, p1filenode = ?, p2node = ?, p2filenode = ? '
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
216 'WHERE node = ? AND filename = ? AND filenode = ?',
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
217 (p1node, p1fnode, p2node, p2fnode, commit.id.hex, path, filenode),
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
218 )
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
219 db.commit()
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
220
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
221
52623
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
222 def _index_repo_commit(gitrepo, db, commit):
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
223 files = {}
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
224 # I *think* we only need to check p1 for changed files
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
225 # (and therefore linkrevs), because any node that would
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
226 # actually have this commit as a linkrev would be
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
227 # completely new in this rev.
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
228 p1 = commit.parents[0].id.hex if commit.parents else None
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
229 if p1 is not None:
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
230 patchgen = gitrepo.diff(p1, commit.id.hex, flags=_DIFF_FLAGS)
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
231 else:
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
232 patchgen = commit.tree.diff_to_tree(swap=True, flags=_DIFF_FLAGS)
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
233 new_files = (p.delta.new_file for p in patchgen)
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
234 files = {
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
235 nf.path: nf.id.hex
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
236 for nf in new_files
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
237 if nf.id.raw != sha1nodeconstants.nullid
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
238 }
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
239 for p, n in files.items():
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
240 # We intentionally set NULLs for any file parentage
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
241 # information so it'll get demand-computed later. We
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
242 # used to do it right here, and it was _very_ slow.
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
243 db.execute(
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
244 'INSERT INTO changedfiles ('
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
245 'node, filename, filenode, p1node, p1filenode, p2node, '
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
246 'p2filenode) VALUES(?, ?, ?, ?, ?, ?, ?)',
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
247 (commit.id.hex, p, n, None, None, None, None),
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
248 )
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
249
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
250
44951
83e41b73d115 git: add debug logging when there's a mismatch in the cached heads list
Augie Fackler <augie@google.com>
parents: 44946
diff changeset
251 def _index_repo(
83e41b73d115 git: add debug logging when there's a mismatch in the cached heads list
Augie Fackler <augie@google.com>
parents: 44946
diff changeset
252 gitrepo,
83e41b73d115 git: add debug logging when there's a mismatch in the cached heads list
Augie Fackler <augie@google.com>
parents: 44946
diff changeset
253 db,
83e41b73d115 git: add debug logging when there's a mismatch in the cached heads list
Augie Fackler <augie@google.com>
parents: 44946
diff changeset
254 logfn=lambda x: None,
83e41b73d115 git: add debug logging when there's a mismatch in the cached heads list
Augie Fackler <augie@google.com>
parents: 44946
diff changeset
255 progress_factory=lambda *args, **kwargs: None,
83e41b73d115 git: add debug logging when there's a mismatch in the cached heads list
Augie Fackler <augie@google.com>
parents: 44946
diff changeset
256 ):
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
257 # Identify all references so we can tell the walker to visit all of them.
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
258 all_refs = gitrepo.listall_references()
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
259 possible_heads = set()
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
260 prog = progress_factory(b'refs')
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
261 for pos, ref in enumerate(all_refs):
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
262 if prog is not None:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
263 prog.update(pos)
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
264 if not (
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
265 ref.startswith('refs/heads/') # local branch
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
266 or ref.startswith('refs/tags/') # tag
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
267 or ref.startswith('refs/remotes/') # remote branch
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
268 or ref.startswith('refs/hg/') # from this extension
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
269 ):
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
270 continue
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
271 try:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
272 start = gitrepo.lookup_reference(ref).peel(pygit2.GIT_OBJ_COMMIT)
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
273 except ValueError:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
274 # No commit to be found, so we don't care for hg's purposes.
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
275 continue
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
276 possible_heads.add(start.id)
52625
27a0bfe770eb git: minor wording tweak to a comment
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52624
diff changeset
277 # Optimization: if the list of refs hasn't changed, don't
27a0bfe770eb git: minor wording tweak to a comment
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52624
diff changeset
278 # reindex the changelog. This doesn't matter on small
27a0bfe770eb git: minor wording tweak to a comment
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52624
diff changeset
279 # repositories, but on even moderately deep histories (e.g., cpython)
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
280 # this is a very important performance win.
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
281 #
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
282 # TODO: we should figure out how to incrementally index history
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
283 # (preferably by detecting rewinds!) so that we don't have to do a
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
284 # full changelog walk every time a new commit is created.
44946
fb2936c5f6dc git: decode node IDs back into Python strings (issue6349)
Hollis Blanchard <hollis_blanchard@mentor.com>
parents: 44484
diff changeset
285 cache_heads = {
fb2936c5f6dc git: decode node IDs back into Python strings (issue6349)
Hollis Blanchard <hollis_blanchard@mentor.com>
parents: 44484
diff changeset
286 pycompat.sysstr(x[0])
fb2936c5f6dc git: decode node IDs back into Python strings (issue6349)
Hollis Blanchard <hollis_blanchard@mentor.com>
parents: 44484
diff changeset
287 for x in db.execute('SELECT node FROM possible_heads')
fb2936c5f6dc git: decode node IDs back into Python strings (issue6349)
Hollis Blanchard <hollis_blanchard@mentor.com>
parents: 44484
diff changeset
288 }
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
289 walker = None
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
290 cur_cache_heads = {h.hex for h in possible_heads}
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
291 if cur_cache_heads == cache_heads:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
292 return
44951
83e41b73d115 git: add debug logging when there's a mismatch in the cached heads list
Augie Fackler <augie@google.com>
parents: 44946
diff changeset
293 logfn(b'heads mismatch, rebuilding dagcache\n')
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
294 for start in possible_heads:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
295 if walker is None:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
296 walker = gitrepo.walk(start, _OUR_ORDER)
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
297 else:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
298 walker.push(start)
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
299
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
300 # Empty out the existing changelog. Even for large-ish histories
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
301 # we can do the top-level "walk all the commits" dance very
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
302 # quickly as long as we don't need to figure out the changed files
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
303 # list.
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
304 db.execute('DELETE FROM changelog')
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
305 if prog is not None:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
306 prog.complete()
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
307 prog = progress_factory(b'commits')
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
308 # This walker is sure to visit all the revisions in history, but
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
309 # only once.
52624
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
310 pos = -1
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
311 for commit in walker:
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
312 if prog is not None:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
313 prog.update(pos)
47051
de26b9a7ec29 git: consistently use str for parents when rebuilding the index database
Matt Harbison <matt_harbison@yahoo.com>
parents: 46113
diff changeset
314 p1 = p2 = gitutil.nullgit
52624
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
315 if len(commit.parents) <= 2:
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
316 if commit.parents:
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
317 p1 = commit.parents[0].id.hex
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
318 if len(commit.parents) == 2:
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
319 p2 = commit.parents[1].id.hex
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
320 pos += 1
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
321 db.execute(
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
322 'INSERT INTO changelog (rev, node, p1, p2, synthetic) VALUES(?, ?, ?, ?, NULL)',
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
323 (pos, commit.id.hex, p1, p2),
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
324 )
52624
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
325 else:
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
326 parents = list(commit.parents)
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
327
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
328 p1 = parents.pop(0).id.hex
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
329 while parents:
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
330 pos += 1
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
331
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
332 if len(parents) == 1:
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
333 this = commit.id.hex
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
334 synth = None
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
335 else:
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
336 this = "%040x" % pos
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
337 synth = commit.id.hex
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
338
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
339 p2 = parents.pop(0).id.hex
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
340
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
341 db.execute(
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
342 'INSERT INTO changelog (rev, node, p1, p2, synthetic) VALUES(?, ?, ?, ?, ?)',
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
343 (pos, this, p1, p2, synth),
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
344 )
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
345
cdbfe5e7592e git: handle octopus merges
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52623
diff changeset
346 p1 = this
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
347
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
348 num_changedfiles = db.execute(
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
349 "SELECT COUNT(*) from changedfiles WHERE node = ?",
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
350 (commit.id.hex,),
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
351 ).fetchone()[0]
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
352 if not num_changedfiles:
52623
4e2ea270ba6a git: move file indexing into a helper
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 52622
diff changeset
353 _index_repo_commit(gitrepo, db, commit)
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
354 db.execute('DELETE FROM heads')
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
355 db.execute('DELETE FROM possible_heads')
52622
aa5844ade247 git: speed up possible head processing during indexing by ~100x
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 51859
diff changeset
356 db.executemany(
aa5844ade247 git: speed up possible head processing during indexing by ~100x
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 51859
diff changeset
357 'INSERT INTO possible_heads (node) VALUES(?)',
aa5844ade247 git: speed up possible head processing during indexing by ~100x
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 51859
diff changeset
358 [(hid.hex,) for hid in possible_heads],
aa5844ade247 git: speed up possible head processing during indexing by ~100x
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 51859
diff changeset
359 )
aa5844ade247 git: speed up possible head processing during indexing by ~100x
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 51859
diff changeset
360 db.execute(
aa5844ade247 git: speed up possible head processing during indexing by ~100x
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 51859
diff changeset
361 '''
aa5844ade247 git: speed up possible head processing during indexing by ~100x
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 51859
diff changeset
362 INSERT INTO heads (node)
aa5844ade247 git: speed up possible head processing during indexing by ~100x
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 51859
diff changeset
363 SELECT node FROM possible_heads WHERE
aa5844ade247 git: speed up possible head processing during indexing by ~100x
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 51859
diff changeset
364 node NOT IN (
aa5844ade247 git: speed up possible head processing during indexing by ~100x
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 51859
diff changeset
365 SELECT DISTINCT possible_heads.node FROM changelog, possible_heads WHERE
aa5844ade247 git: speed up possible head processing during indexing by ~100x
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 51859
diff changeset
366 changelog.p1 = possible_heads.node OR
aa5844ade247 git: speed up possible head processing during indexing by ~100x
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 51859
diff changeset
367 changelog.p2 = possible_heads.node
aa5844ade247 git: speed up possible head processing during indexing by ~100x
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 51859
diff changeset
368 )
aa5844ade247 git: speed up possible head processing during indexing by ~100x
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 51859
diff changeset
369 '''
aa5844ade247 git: speed up possible head processing during indexing by ~100x
Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
parents: 51859
diff changeset
370 )
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
371
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
372 db.commit()
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
373 if prog is not None:
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
374 prog.complete()
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
375
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
376
44951
83e41b73d115 git: add debug logging when there's a mismatch in the cached heads list
Augie Fackler <augie@google.com>
parents: 44946
diff changeset
377 def get_index(
83e41b73d115 git: add debug logging when there's a mismatch in the cached heads list
Augie Fackler <augie@google.com>
parents: 44946
diff changeset
378 gitrepo, logfn=lambda x: None, progress_factory=lambda *args, **kwargs: None
83e41b73d115 git: add debug logging when there's a mismatch in the cached heads list
Augie Fackler <augie@google.com>
parents: 44946
diff changeset
379 ):
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
380 cachepath = os.path.join(
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
381 pycompat.fsencode(gitrepo.path), b'..', b'.hg', b'cache'
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
382 )
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
383 if not os.path.exists(cachepath):
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
384 os.makedirs(cachepath)
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
385 dbpath = os.path.join(cachepath, b'git-commits.sqlite')
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
386 db = _createdb(dbpath)
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
387 # TODO check against gitrepo heads before doing a full index
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
388 # TODO thread a ui.progress call into this layer
44951
83e41b73d115 git: add debug logging when there's a mismatch in the cached heads list
Augie Fackler <augie@google.com>
parents: 44946
diff changeset
389 _index_repo(gitrepo, db, logfn, progress_factory)
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
390 return db