comparison hgext/histedit.py @ 38507:03e7ec8180f0

histedit: use self.stateobj to check whether interrupted histedit exists

self.stateobj is an instance of state.cmdstate() class which has an .exists()
function which is used to check whether there exists an interrupted statefile or
not.

Differential Revision: https://phab.mercurial-scm.org/D3865

38506:18f348e035fb

"""

from __future__ import absolute_import

import errno
import os

from mercurial.i18n import _
from mercurial import (
    bundle2,

        else:
            self.replacements = replacements

    def read(self):
        """Load histedit state from disk and set fields appropriately."""
        try:
            state = self.repo.vfs.read('histedit-state')
        except IOError as err:
            if err.errno != errno.ENOENT:
                raise
            cmdutil.wrongtooltocontinue(self.repo, _('histedit'))

        data = self._read(state)

        self.parentctxnode = data['parentctxnode']
        actions = parserules(data['rules'], self)
        self.actions = actions
        self.keep = data['keep']
        self.topmost = data['topmost']
        self.replacements = data['replacements']
        self.backupfile = data['backupfile']

    def _read(self, fp):
        if fp.startswith('v1\n'):
            data = self._load()
            parentctxnode, rules, keep, topmost, replacements, backupfile = data
        else:
            data = pickle.loads(fp)

38507:03e7ec8180f0

"""

from __future__ import absolute_import

import os

from mercurial.i18n import _
from mercurial import (
    bundle2,

        else:
            self.replacements = replacements

    def read(self):
        """Load histedit state from disk and set fields appropriately."""
        if not self.stateobj.exists():
            cmdutil.wrongtooltocontinue(self.repo, _('histedit'))

        data = self._read()

        self.parentctxnode = data['parentctxnode']
        actions = parserules(data['rules'], self)
        self.actions = actions
        self.keep = data['keep']
        self.topmost = data['topmost']
        self.replacements = data['replacements']
        self.backupfile = data['backupfile']

    def _read(self):
        fp = self.repo.vfs.read('histedit-state')
        if fp.startswith('v1\n'):
            data = self._load()
            parentctxnode, rules, keep, topmost, replacements, backupfile = data
        else:
            data = pickle.loads(fp)