286         cl = repo.changelog

   286         cl = repo.changelog

   287         # Faster than using ctx.obsolete()

   287         # Faster than using ctx.obsolete()

   288         obsrevs = obsolete.getrevs(repo, b'obsolete')

   288         obsrevs = obsolete.getrevs(repo, b'obsolete')

   289         # collect new branch entries

   289         # collect new branch entries

   290         newbranches = {}

   290         newbranches = {}

   291         getbranchinfo = repo.revbranchcache().branchinfo

   292         getbranchinfo = repo.revbranchcache().branchinfo

   292         max_rev = -1

   293         max_rev = -1

   293         for r in revgen:

   294         for r in revgen:

   294             max_rev = max(max_rev, r)

   295             max_rev = max(max_rev, r)

   295             if r in obsrevs:

   296             if r in obsrevs:

   296                 # We ignore obsolete changesets as they shouldn't be

   297                 # We ignore obsolete changesets as they shouldn't be

   297                 # considered heads.

   298                 # considered heads.

   298                 continue

   300                 continue

   299             branch, closesbranch = getbranchinfo(r)

   301             branch, closesbranch = getbranchinfo(r)

   300             newbranches.setdefault(branch, []).append(r)

   302             newbranches.setdefault(branch, []).append(r)

   301             if closesbranch:

   303             if closesbranch:

   302                 self._closednodes.add(cl.node(r))

   304                 self._closednodes.add(cl.node(r))