comparison hgext/git/gitlog.py @ 44478:6d953b3fc2bd

git: make {shortest()} return shortest *unique* prefix

It used to return the prefix of the specified length as long as the
full node was unique (i.e. always).

Differential Revision: https://phab.mercurial-scm.org/D8256

44477:ad718271a9eb

        for attempt in pycompat.xrange(minlength, len(nodehex) + 1):
            candidate = nodehex[:attempt]
            matches = int(
                self._db.execute(
                    'SELECT COUNT(*) FROM changelog WHERE node LIKE ?',
                    (pycompat.sysstr(nodehex + b'%'),),
                ).fetchone()[0]
            )
            if matches == 1:
                return candidate
        return nodehex

44478:6d953b3fc2bd

        for attempt in pycompat.xrange(minlength, len(nodehex) + 1):
            candidate = nodehex[:attempt]
            matches = int(
                self._db.execute(
                    'SELECT COUNT(*) FROM changelog WHERE node LIKE ?',
                    (pycompat.sysstr(candidate + b'%'),),
                ).fetchone()[0]
            )
            if matches == 1:
                return candidate
        return nodehex