# HG changeset patch
# User Martin von Zweigbergk <martinvonz@google.com>
# Date 1607881576 28800
# Node ID aa905c52ede5fba5eac56015a7042b9d41869a19
# Parent  a26d4726454f3bb0b50b65e6824514a5e3ae8bb5
compat: handle  change to enforcesinglehead() signature

4d5e2fd53707 (singlehead: introduce option to restrict to public
changes, 2020-12-05) added a new argument (`filtername`) to the
signature. This patch makes us compatible with that.

diff -r a26d4726454f -r aa905c52ede5 hgext3rd/evolve/headchecking.py
--- a/hgext3rd/evolve/headchecking.py	Tue Dec 08 11:58:34 2020 +0800
+++ b/hgext3rd/evolve/headchecking.py	Sun Dec 13 09:46:16 2020 -0800
@@ -164,13 +164,17 @@
     new_heads.sort()
     return new_heads
 
-def enforcesinglehead(orig, repo, tr, desc, accountclosed=False):
-    """check that no named branch has multiple heads"""
+def enforcesinglehead(orig, repo, tr, desc, accountclosed, filtername=b'visible'):
+    """check that no named branch has multiple heads
+
+    COMPAT: this is the same as the upstream version as of c701f616d852, except
+    for the _filter_obsolete_heads call.
+    """
     nodesummaries = scmutil.nodesummaries
     if desc in (b'strip', b'repair'):
         # skip the logic during strip
         return
-    visible = repo.filtered(b'visible')
+    visible = repo.filtered(filtername)
     # possible improvement: we could restrict the check to affected branch
     bm = visible.branchmap()
     cl = repo.changelog