Mercurial > public > mercurial-scm > hg

comparison mercurial/graphmod.py @ 8836:11ff34956ee7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
graphmod/graphlog: move log walks to graphmod
author Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
date Fri, 19 Jun 2009 13:14:01 +0200
parents ec5483efc31f
children d8e3a98018cb
comparison
equal deleted inserted replaced
8835:ec5483efc31f 8836:11ff34956ee7
5 # 5 #
6 # This software may be used and distributed according to the terms of the 6 # This software may be used and distributed according to the terms of the
7 # GNU General Public License version 2, incorporated herein by reference. 7 # GNU General Public License version 2, incorporated herein by reference.
8 8
9 from node import nullrev 9 from node import nullrev
10
11 def revisions(repo, start, stop):
12 """cset DAG generator yielding (rev, node, [parents]) tuples
13
14 This generator function walks through the revision history from revision
15 start to revision stop (which must be less than or equal to start).
16 """
17 assert start >= stop
18 cur = start
19 while cur >= stop:
20 ctx = repo[cur]
21 parents = [p.rev() for p in ctx.parents() if p.rev() != nullrev]
22 parents.sort()
23 yield (ctx, parents)
24 cur -= 1
25
26 def filerevs(repo, path, start, stop):
27 """file cset DAG generator yielding (rev, node, [parents]) tuples
28
29 This generator function walks through the revision history of a single
30 file from revision start to revision stop (which must be less than or
31 equal to start).
32 """
33 assert start >= stop
34 filerev = len(repo.file(path)) - 1
35 while filerev >= 0:
36 fctx = repo.filectx(path, fileid=filerev)
37 parents = [f.linkrev() for f in fctx.parents() if f.path() == path]
38 parents.sort()
39 if fctx.rev() <= start:
40 yield (fctx, parents)
41 if fctx.rev() <= stop:
42 break
43 filerev -= 1
10 44
11 def graph(repo, start_rev, stop_rev): 45 def graph(repo, start_rev, stop_rev):
12 """incremental revision grapher 46 """incremental revision grapher
13 47
14 This generator function walks through the revision history from 48 This generator function walks through the revision history from