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remote-hg: add branch_tip() helper

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Idea from gitifyhg, the backwards compatibility is how Mercurial used to
do it.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Felipe Contreras 2013-04-22 16:55:13 -05:00 committed by Junio C Hamano
parent 7e31e1fea5
commit aeebca0bd2
1 changed files with 8 additions and 3 deletions
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11
contrib/remote-helpers/git-remote-hg
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@ -457,6 +457,13 @@ def do_capabilities(parser):
print
def branch_tip(repo, branch):
# older versions of mercurial don't have this
if hasattr(repo, 'branchtip'):
return repo.branchtip(branch)
else:
return repo.branchtags()[branch]
def get_branch_tip(repo, branch):
global branches
@ -467,9 +474,7 @@ def get_branch_tip(repo, branch):
# verify there's only one head
if (len(heads) > 1):
warn("Branch '%s' has more than one head, consider merging" % branch)
# older versions of mercurial don't have this
if hasattr(repo, "branchtip"):
return repo.branchtip(branch)
return branch_tip(repo, branch)
return heads[0]