[PATCH 1 of 2] localrepo: reuse commit of parent filectx entries without rehashing
Mads Kiilerich
mads at kiilerich.com
Thu Mar 19 16:53:33 UTC 2015
# HG changeset patch
# User Mads Kiilerich <madski at unity3d.com>
# Date 1426782977 -3600
# Thu Mar 19 17:36:17 2015 +0100
# Branch stable
# Node ID b446163ce0c69e748e8e51b2261540fcb0fc5bba
# Parent 6136704b975df292819647ba8ac46209487fbc46
localrepo: reuse commit of parent filectx entries without rehashing
It is currently only amend and debugbuilddag that will pass a filectx to
localrepo._filecommit. Amend will usually not hit the case where a the filectx
is a parent that just can be reused. Future convert changes will use it more.
diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -1169,11 +1169,15 @@ class localrepository(object):
"""
fname = fctx.path()
- text = fctx.data()
- flog = self.file(fname)
fparent1 = manifest1.get(fname, nullid)
fparent2 = manifest2.get(fname, nullid)
+ if isinstance(fctx, context.filectx):
+ node = fctx.filenode()
+ if node in [fparent1, fparent2]:
+ self.ui.debug('reusing %s filelog entry\n' % fname)
+ return node
+ flog = self.file(fname)
meta = {}
copy = fctx.renamed()
if copy and copy[0] != fname:
@@ -1235,6 +1239,7 @@ class localrepository(object):
fparent2 = nullid
# is the file changed?
+ text = fctx.data()
if fparent2 != nullid or flog.cmp(fparent1, text) or meta:
changelist.append(fname)
return flog.add(text, meta, tr, linkrev, fparent1, fparent2)
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