mercurial/localrepo.py

5813:3ef279074c77

        try:
            ds = self.opener("dirstate").read()
        except IOError:
            ds = ""
        self.opener("journal.dirstate", "w").write(ds)

        renames = [(self.sjoin("journal"), self.sjoin("undo")),
                   (self.join("journal.dirstate"), self.join("undo.dirstate"))]
        tr = transaction.transaction(self.ui.warn, self.sopener,
                                       self.sjoin("journal"),
                                       aftertrans(renames))
        self._transref = weakref.ref(tr)
        return tr

            lock = self.lock()
            if os.path.exists(self.sjoin("undo")):
                self.ui.status(_("rolling back last transaction\n"))
                transaction.rollback(self.sopener, self.sjoin("undo"))
                util.rename(self.join("undo.dirstate"), self.join("dirstate"))
                self.invalidate()
                self.dirstate.invalidate()
            else:
                self.ui.warn(_("no rollback information available\n"))
        finally:

5814:dd5a501cb97f

        try:
            ds = self.opener("dirstate").read()
        except IOError:
            ds = ""
        self.opener("journal.dirstate", "w").write(ds)
        self.opener("journal.branch", "w").write(self.dirstate.branch())

        renames = [(self.sjoin("journal"), self.sjoin("undo")),
                   (self.join("journal.dirstate"), self.join("undo.dirstate")),
                   (self.join("journal.branch"), self.join("undo.branch"))]
        tr = transaction.transaction(self.ui.warn, self.sopener,
                                       self.sjoin("journal"),
                                       aftertrans(renames))
        self._transref = weakref.ref(tr)
        return tr

            lock = self.lock()
            if os.path.exists(self.sjoin("undo")):
                self.ui.status(_("rolling back last transaction\n"))
                transaction.rollback(self.sopener, self.sjoin("undo"))
                util.rename(self.join("undo.dirstate"), self.join("dirstate"))
                branch = self.opener("undo.branch").read()
                self.dirstate.setbranch(branch)
                self.invalidate()
                self.dirstate.invalidate()
            else:
                self.ui.warn(_("no rollback information available\n"))
        finally: