mercurial/dirstate.py

31552:b71143b10f74

            # end of this transaction
            tr.registertmp(filename, location='plain')

        backupname = prefix + self._filename + suffix
        assert backupname != filename
        if self._opener.exists(backupname):
            self._opener.unlink(backupname)
        # hardlink backup is okay because _writedirstate is always called
        # with an "atomictemp=True" file.
        util.copyfile(self._opener.join(filename),
                      self._opener.join(backupname), hardlink=True)

31553:ddadb6b0b58e

            # end of this transaction
            tr.registertmp(filename, location='plain')

        backupname = prefix + self._filename + suffix
        assert backupname != filename
        self._opener.tryunlink(backupname)
        # hardlink backup is okay because _writedirstate is always called
        # with an "atomictemp=True" file.
        util.copyfile(self._opener.join(filename),
                      self._opener.join(backupname), hardlink=True)