mercurial/revlog.py

41088:a6556b09bf83

            return rev - 1

    def issnapshot(self, rev):
        """tells whether rev is a snapshot
        """
        if rev == nullrev:
            return True
        entry = self.index[rev]
        base = entry[3]
        if base == rev:
            return True
        elif not self._sparserevlog:
            return False
        if base == nullrev:
            return True
        p1 = entry[5]
        p2 = entry[6]
        if base == p1 or base == p2:

41089:a28833d79aca

            return rev - 1

    def issnapshot(self, rev):
        """tells whether rev is a snapshot
        """
        if not self._sparserevlog:
            return self.deltaparent(rev) == nullrev
        elif util.safehasattr(self.index, 'issnapshot'):
            # directly assign the method to cache the testing and access
            self.issnapshot = self.index.issnapshot
            return self.issnapshot(rev)
        if rev == nullrev:
            return True
        entry = self.index[rev]
        base = entry[3]
        if base == rev:
            return True
        if base == nullrev:
            return True
        p1 = entry[5]
        p2 = entry[6]
        if base == p1 or base == p2: