mercurial/changelog.py

34302:3bb2a9f25fe9

        else:
            indexfile = '00changelog.i'

        datafile = '00changelog.d'
        revlog.revlog.__init__(self, opener, indexfile, datafile=datafile,
                               checkambig=True)

        if self._initempty:
            # changelogs don't benefit from generaldelta
            self.version &= ~revlog.FLAG_GENERALDELTA
            self._generaldelta = False

34303:3c9691728237

        else:
            indexfile = '00changelog.i'

        datafile = '00changelog.d'
        revlog.revlog.__init__(self, opener, indexfile, datafile=datafile,
                               checkambig=True, mmaplargeindex=True)

        if self._initempty:
            # changelogs don't benefit from generaldelta
            self.version &= ~revlog.FLAG_GENERALDELTA
            self._generaldelta = False