1097                 or self.ui.configbool('devel', 'check-locks')):

  1097                 or self.ui.configbool('devel', 'check-locks')):

  1098             if self._currentlock(self._lockref) is None:

  1098             if self._currentlock(self._lockref) is None:

  1099                 raise error.ProgrammingError('transaction requires locking')

  1099                 raise error.ProgrammingError('transaction requires locking')

  1100         tr = self.currenttransaction()

  1100         tr = self.currenttransaction()

  1101         if tr is not None:

  1101         if tr is not None:

  1102             return tr.nest()

  1103             return tr.nest()

  1103 

  1104 

  1104         # abort here if the journal already exists

  1105         # abort here if the journal already exists

  1105         if self.svfs.exists("journal"):

  1106         if self.svfs.exists("journal"):

  1106             raise error.RepoError(

  1107             raise error.RepoError(

  1253         tr.addabort('txnabort-hook', txnaborthook)

  1254         tr.addabort('txnabort-hook', txnaborthook)

  1254         # avoid eager cache invalidation. in-memory data should be identical

  1255         # avoid eager cache invalidation. in-memory data should be identical

  1255         # to stored data if transaction has no error.

  1256         # to stored data if transaction has no error.

  1256         tr.addpostclose('refresh-filecachestats', self._refreshfilecachestats)

  1257         tr.addpostclose('refresh-filecachestats', self._refreshfilecachestats)

  1257         self._transref = weakref.ref(tr)

  1258         self._transref = weakref.ref(tr)

  1258         return tr

  1260         return tr

  1259 

  1261 

  1260     def _journalfiles(self):

  1262     def _journalfiles(self):

  1261         return ((self.svfs, 'journal'),

  1263         return ((self.svfs, 'journal'),

  1262                 (self.vfs, 'journal.dirstate'),

  1264                 (self.vfs, 'journal.dirstate'),