comparison mercurial/state.py @ 38133:dce718404ce6

state: raise CorruptedState error isntead of ProgrammingError

There are old state files which don't have a version number in top of them and
hence we have to read them to check whether they are good or not.
ProgrammingError is not apt for this case. Thanks to Yuya for suggesting
CorruptedState error.

Differential Revision: https://phab.mercurial-scm.org/D3644

38132:2b8cb0ab231c

        data in the same format as it was before storing"""
        with self._repo.vfs(self.fname, 'rb') as fp:
            try:
                int(fp.readline())
            except ValueError:
                raise error.ProgrammingError("unknown version of state file"
                                             " found")
            return cbor.load(fp)

    def delete(self):
        """drop the state file if exists"""
        util.unlinkpath(self._repo.vfs.join(self.fname), ignoremissing=True)

38133:dce718404ce6

        data in the same format as it was before storing"""
        with self._repo.vfs(self.fname, 'rb') as fp:
            try:
                int(fp.readline())
            except ValueError:
                raise error.CorruptedState("unknown version of state file"
                                           " found")
            return cbor.load(fp)

    def delete(self):
        """drop the state file if exists"""
        util.unlinkpath(self._repo.vfs.join(self.fname), ignoremissing=True)