mercurial/localrepo.py

12056:85439f43749f

            if heads is None:
                cg = remote.changegroup(fetch, 'pull')
            else:
                if not remote.capable('changegroupsubset'):
                    raise util.Abort(_("Partial pull cannot be done because "
                                       "other repository doesn't support "
                                       "changegroupsubset."))
                cg = remote.changegroupsubset(fetch, heads, 'pull')
            return self.addchangegroup(cg, 'pull', remote.url(), lock=lock)
        finally:

12067:a4fbbe0fbc38

            if heads is None:
                cg = remote.changegroup(fetch, 'pull')
            else:
                if not remote.capable('changegroupsubset'):
                    raise util.Abort(_("partial pull cannot be done because "
                                       "other repository doesn't support "
                                       "changegroupsubset."))
                cg = remote.changegroupsubset(fetch, heads, 'pull')
            return self.addchangegroup(cg, 'pull', remote.url(), lock=lock)
        finally: