[PATCH RFC] repoview: add tags to candidate list for blocking hidden changesets

[Sean Farley]

# HG changeset patch
# User Sean Farley <sean.michael.farley at gmail.com>
# Date 1395191433 18000
#      Tue Mar 18 20:10:33 2014 -0500
# Node ID 9d9821e223edb30fa8dd173f31ea376f2b19dde6
# Parent  efbf15979538a1e32fb70bf89de7c60f8ead5909
repoview: add tags to candidate list for blocking hidden changesets

Previously, only bookmarks would be considered for blocking a changeset from
being hidden. Now, we also consider tags. This is helpful if we have local tags
that might be hard to find once they are hidden.

diff --git a/mercurial/repoview.py b/mercurial/repoview.py
--- a/mercurial/repoview.py
+++ b/mercurial/repoview.py
@@ -33,10 +33,12 @@ def computehidden(repo):
         blockers = [r for r in tofilter if r not in hideable]
         for par in repo[None].parents():
             blockers.append(par.rev())
         for bm in repo._bookmarks.values():
             blockers.append(repo[bm].rev())
+        for t in repo.tags().values():
+            blockers.append(repo[t].rev())
         blocked = cl.ancestors(blockers, inclusive=True)
         return frozenset(r for r in hideable if r not in blocked)
     return frozenset()
 
 def computeunserved(repo):