mercurial/localrepo.py

15182:de496752d936

                self.ui.warn(_("no interrupted transaction available\n"))
                return False
        finally:
            lock.release()

    def rollback(self, dryrun=False):
        wlock = lock = None
        try:
            wlock = self.wlock()
            lock = self.lock()
            if os.path.exists(self.sjoin("undo")):
                return self._rollback(dryrun)
            else:
                self.ui.warn(_("no rollback information available\n"))
                return 1
        finally:
            release(lock, wlock)

    def _rollback(self, dryrun):
        ui = self.ui
        try:
            args = self.opener.read('undo.desc').splitlines()
            (oldlen, desc, detail) = (int(args[0]), args[1], None)
            if len(args) >= 3:

                msg = (_('repository tip rolled back to revision %s'
                         ' (undo %s)\n')
                       % (oldtip, desc))
        except IOError:
            msg = _('rolling back unknown transaction\n')
        ui.status(msg)
        if dryrun:
            return 0

        parents = self.dirstate.parents()

15183:59e8bc22506e

                self.ui.warn(_("no interrupted transaction available\n"))
                return False
        finally:
            lock.release()

    def rollback(self, dryrun=False, force=False):
        wlock = lock = None
        try:
            wlock = self.wlock()
            lock = self.lock()
            if os.path.exists(self.sjoin("undo")):
                return self._rollback(dryrun, force)
            else:
                self.ui.warn(_("no rollback information available\n"))
                return 1
        finally:
            release(lock, wlock)

    def _rollback(self, dryrun, force):
        ui = self.ui
        try:
            args = self.opener.read('undo.desc').splitlines()
            (oldlen, desc, detail) = (int(args[0]), args[1], None)
            if len(args) >= 3:

                msg = (_('repository tip rolled back to revision %s'
                         ' (undo %s)\n')
                       % (oldtip, desc))
        except IOError:
            msg = _('rolling back unknown transaction\n')
            desc = None

        if not force and self['.'] != self['tip'] and desc == 'commit':
            raise util.Abort(
                _('rollback of last commit while not checked out '
                  'may lose data (use -f to force)'))

        ui.status(msg)
        if dryrun:
            return 0

        parents = self.dirstate.parents()