merge: refactor initialization of variables in update
There is no code change here but this helps prepare for future commits that
will fix a bare update with obsolete markers.
--- a/mercurial/merge.py Wed Nov 06 10:26:25 2013 -0600
+++ b/mercurial/merge.py Wed Nov 06 17:02:07 2013 -0600
@@ -679,6 +679,12 @@
wlock = repo.wlock()
try:
wc = repo[None]
+ pl = wc.parents()
+ p1 = pl[0]
+ pa = None
+ if ancestor:
+ pa = repo[ancestor]
+
if node is None:
# Here is where we should consider bookmarks, divergent bookmarks,
# foreground changesets (successors), and tip of current branch;
@@ -691,11 +697,9 @@
else:
raise util.Abort(_("branch %s not found") % wc.branch())
overwrite = force and not branchmerge
- pl = wc.parents()
- p1, p2 = pl[0], repo[node]
- if ancestor:
- pa = repo[ancestor]
- else:
+
+ p2 = repo[node]
+ if pa is None:
pa = p1.ancestor(p2)
fp1, fp2, xp1, xp2 = p1.node(), p2.node(), str(p1), str(p2)