mercurial/scmutil.py

17991:d605a82cf189

            if _revrangesep in spec:
                start, end = spec.split(_revrangesep, 1)
                start = revfix(repo, start, 0)
                end = revfix(repo, end, len(repo) - 1)
                step = start > end and -1 or 1
                if not seen and not l:
                    # by far the most common case: revs = ["-1:0"]
                    l = range(start, end + step, step)
                    # defer syncing seen until next iteration
                    continue
                newrevs = set(xrange(start, end + step, step))
                if seen:
                    newrevs.difference_update(seen)
                    seen.update(newrevs)
                else:
                    seen = newrevs

17992:c95210b82c0e

            if _revrangesep in spec:
                start, end = spec.split(_revrangesep, 1)
                start = revfix(repo, start, 0)
                end = revfix(repo, end, len(repo) - 1)
                rangeiter = repo.changelog.revs(start, end)
                if not seen and not l:
                    # by far the most common case: revs = ["-1:0"]
                    l = list(rangeiter)
                    # defer syncing seen until next iteration
                    continue
                newrevs = set(rangeiter)
                if seen:
                    newrevs.difference_update(seen)
                    seen.update(newrevs)
                else:
                    seen = newrevs