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mercurial/localrepo.py
changeset 35185 66ecde8a704d
parent 35163 ee64e677c3cf
child 35207 d210723b73e5 
--- a/mercurial/localrepo.py	Thu Nov 16 03:52:38 2017 +0100
+++ b/mercurial/localrepo.py	Thu Nov 16 03:52:42 2017 +0100
@@ -1247,6 +1247,8 @@
             # gating.
             tracktags(tr2)
             repo = reporef()
+            if repo.ui.configbool('experimental', 'single-head-per-branch'):
+                scmutil.enforcesinglehead(repo, tr2, desc)
             if hook.hashook(repo.ui, 'pretxnclose-bookmark'):
                 for name, (old, new) in sorted(tr.changes['bookmarks'].items()):
                     args = tr.hookargs.copy()
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