comparison mercurial/revlog.py @ 31756:9ec03d5af48f

revlog: add a fast path for revision(raw=False)

If cache hit and flags are empty, no flag processor runs and "text" equals
to "rawtext". So we check flags, and return rawtext.

This resolves performance issue introduced by a previous patch.

31755:ec48d57de110

        if self._cache:
            if self._cache[0] == node:
                # _cache only stores rawtext
                if raw:
                    return self._cache[2]
            cachedrev = self._cache[1]

        # look up what we need to read
        rawtext = None
        if rev is None:

31756:9ec03d5af48f

        if self._cache:
            if self._cache[0] == node:
                # _cache only stores rawtext
                if raw:
                    return self._cache[2]
                # duplicated, but good for perf
                if rev is None:
                    rev = self.rev(node)
                # no extra flags set, no flag processor runs, text = rawtext
                if self.flags(rev) == REVIDX_DEFAULT_FLAGS:
                    return self._cache[2]

            cachedrev = self._cache[1]

        # look up what we need to read
        rawtext = None
        if rev is None: