D6120: scmutil: document matcher argument of movedirstate()
martinvonz (Martin von Zweigbergk)
phabricator at mercurial-scm.org
Mon Mar 11 21:08:26 UTC 2019
martinvonz created this revision.
Herald added a subscriber: mercurial-devel.
Herald added a reviewer: hg-reviewers.
REPOSITORY
rHG Mercurial
REVISION DETAIL
https://phab.mercurial-scm.org/D6120
AFFECTED FILES
mercurial/scmutil.py
CHANGE DETAILS
diff --git a/mercurial/scmutil.py b/mercurial/scmutil.py
--- a/mercurial/scmutil.py
+++ b/mercurial/scmutil.py
@@ -1255,7 +1255,12 @@
wctx.copy(origsrc, dst)
def movedirstate(repo, newctx, match=None):
- """Move the dirstate to newctx and adjust it as necessary."""
+ """Move the dirstate to newctx and adjust it as necessary.
+
+ A matcher can be provided as an optimization. It is probably a bug to pass
+ a matcher that doesn't match all the differences between the parent of the
+ working copy and newctx.
+ """
oldctx = repo['.']
ds = repo.dirstate
ds.setparents(newctx.node(), nullid)
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