filemerge: move a util copy call to filectx.write
This way a future in-memory-merge context can intercept them.
Differential Revision: https://phab.mercurial-scm.org/D400
--- a/mercurial/filemerge.py Thu Aug 31 11:28:59 2017 -0700
+++ b/mercurial/filemerge.py Thu Aug 31 11:28:59 2017 -0700
@@ -348,7 +348,9 @@
return 0
if premerge not in validkeep:
# restore from backup and try again
- util.copyfile(back, repo.wjoin(fcd.path()))
+ # TODO: Add a workingfilectx.write(otherfilectx) path so we can use
+ # util.copy here instead.
+ fcd.write(util.readfile(back), fcd.flags())
return 1 # continue merging
def _mergecheck(repo, mynode, orig, fcd, fco, fca, toolconf):