291 

   292 def getremotechanges(ui, repo, other, revs=None, bundlename=None, force=False):

   293     tmp = discovery.findcommonincoming(repo, other, heads=revs, force=force)

   294     common, incoming, rheads = tmp

   295     if not incoming:

   296         try:

   297             os.unlink(bundlename)

   298         except:

   299             pass

   300         return other, None, None

   301 

   302     bundle = None

   303     if bundlename or not other.local():

   304         # create a bundle (uncompressed if other repo is not local)

   305 

   306         if revs is None and other.capable('changegroupsubset'):

   307             revs = rheads

   308 

   309         if revs is None:

   310             cg = other.changegroup(incoming, "incoming")

   311         else:

   312             cg = other.changegroupsubset(incoming, revs, 'incoming')

   313         bundletype = other.local() and "HG10BZ" or "HG10UN"

   314         fname = bundle = changegroup.writebundle(cg, bundlename, bundletype)

   315         # keep written bundle?

   316         if bundlename:

   317             bundle = None

   318         if not other.local():

   319             # use the created uncompressed bundlerepo

   320             other = bundlerepository(ui, repo.root, fname)

   321     return (other, incoming, bundle)

   322