mercurial/localrepo.py

2361:d3adb454c5a9

    def transaction(self):
        tr = self.transhandle
        if tr != None and tr.running():
            return tr.nest()

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

            return True
        else:
            self.ui.warn(_("no interrupted transaction available\n"))
            return False

    def undo(self, wlock=None):
        if not wlock:
            wlock = self.wlock()
        l = self.lock()
        if os.path.exists(self.join("undo")):
            self.ui.status(_("rolling back last transaction\n"))
            transaction.rollback(self.opener, self.join("undo"))
            util.rename(self.join("undo.dirstate"), self.join("dirstate"))
            self.reload()
            self.wreload()
        else:
            self.ui.warn(_("no undo information available\n"))

    def wreload(self):
        self.dirstate.read()

    def reload(self):

2362:482d3fb47d80

    def transaction(self):
        tr = self.transhandle
        if tr != None and tr.running():
            return tr.nest()

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

            return True
        else:
            self.ui.warn(_("no interrupted transaction available\n"))
            return False

    def rollback(self, wlock=None):
        if not wlock:
            wlock = self.wlock()
        l = self.lock()
        if os.path.exists(self.join("undo")):
            self.ui.status(_("rolling back last transaction\n"))
            transaction.rollback(self.opener, self.join("undo"))
            util.rename(self.join("undo.dirstate"), self.join("dirstate"))
            self.reload()
            self.wreload()
        else:
            self.ui.warn(_("no rollback information available\n"))

    def wreload(self):
        self.dirstate.read()

    def reload(self):