# HG changeset patch
# User Gilles Moris <gilles.moris@free.fr>
# Date 2010-05-10 06:43:36
# Node ID acd61dc44a397ead4eab09b9dd78b35f75cdb856
# Parent  d6f378562397b976c662a92284f89f19b75911ed

commit: prevent closing non-head changesets

diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -717,6 +717,10 @@ def commit(ui, repo, *pats, **opts):
     """
     extra = {}
     if opts.get('close_branch'):
+        if repo['.'].node() not in repo.branchheads():
+            # The topo heads set is included in the branch heads set of the
+            # current branch, so it's sufficient to test branchheads
+            raise util.Abort(_('can only close branch heads'))
         extra['close'] = 1
     e = cmdutil.commiteditor
     if opts.get('force_editor'):