changeset 39152 | 3b1042cab4b4 |
parent 39150 | f39efa885a6d |
child 39154 | e0da43e2f71f |
--- a/mercurial/revlog.py Fri Jul 27 10:52:43 2018 +0200 +++ b/mercurial/revlog.py Wed Aug 15 12:09:14 2018 +0200 @@ -2108,6 +2108,12 @@ return False return self.issnapshot(deltap) + def snapshotdepth(self, rev): + """number of snapshot in the chain before this one""" + if not self.issnapshot(rev): + raise ProgrammingError('revision %d not a snapshot') + return len(self._deltachain(rev)[0]) - 1 + def revdiff(self, rev1, rev2): """return or calculate a delta between two revisions