--- a/mercurial/scmutil.py Fri Feb 07 02:59:46 2014 +0100
+++ b/mercurial/scmutil.py Mon Feb 03 18:36:00 2014 -0500
@@ -20,6 +20,16 @@
systemrcpath = scmplatform.systemrcpath
userrcpath = scmplatform.userrcpath
+def itersubrepos(ctx1, ctx2):
+ """find subrepos in ctx1 or ctx2"""
+ # Create a (subpath, ctx) mapping where we prefer subpaths from
+ # ctx1. The subpaths from ctx2 are important when the .hgsub file
+ # has been modified (in ctx2) but not yet committed (in ctx1).
+ subpaths = dict.fromkeys(ctx2.substate, ctx2)
+ subpaths.update(dict.fromkeys(ctx1.substate, ctx1))
+ for subpath, ctx in sorted(subpaths.iteritems()):
+ yield subpath, ctx.sub(subpath)
+
def nochangesfound(ui, repo, excluded=None):
'''Report no changes for push/pull, excluded is None or a list of
nodes excluded from the push/pull.