comparison mercurial/revlog.py @ 41819:688fc33e105d

storage: introduce a `revlog.reuse-external-delta` config

This option goes a bit further and provides a way to get the same behavior as the
`re-delta-all` optimisation from `hg debugupgraderepo`.

The effect of the option is a bit hard to test as we do not have multiple diff
algorithm at hand. However, we at least make sure the code path run.

41818:f6eff9e4de80

            self._chunkcachesize = opts['chunkcachesize']
        if 'maxchainlen' in opts:
            self._maxchainlen = opts['maxchainlen']
        if 'deltabothparents' in opts:
            self._deltabothparents = opts['deltabothparents']
        self._lazydeltabase = bool(opts.get('lazydeltabase', False))
        if 'compengine' in opts:
            self._compengine = opts['compengine']
        if 'maxdeltachainspan' in opts:
            self._maxdeltachainspan = opts['maxdeltachainspan']
        if self._mmaplargeindex and 'mmapindexthreshold' in opts:

41819:688fc33e105d

            self._chunkcachesize = opts['chunkcachesize']
        if 'maxchainlen' in opts:
            self._maxchainlen = opts['maxchainlen']
        if 'deltabothparents' in opts:
            self._deltabothparents = opts['deltabothparents']
        self._lazydelta = bool(opts.get('lazydelta', True))
        self._lazydeltabase = False
        if self._lazydelta:
            self._lazydeltabase = bool(opts.get('lazydeltabase', False))
        if 'compengine' in opts:
            self._compengine = opts['compengine']
        if 'maxdeltachainspan' in opts:
            self._maxdeltachainspan = opts['maxdeltachainspan']
        if self._mmaplargeindex and 'mmapindexthreshold' in opts: