comparison hgext/convert/bzr.py @ 8470:dd24488cba2d

convert/bzr: warn when source is a lightweight checkout (issue1647)

8469:cb897f10e54a

            branch
        except NameError:
            raise NoRepo('Bazaar modules could not be loaded')

        path = os.path.abspath(path)
        self.branch = branch.Branch.open(path)
        self.sourcerepo = self.branch.repository
        self._parentids = {}

    def before(self):
        """Before the conversion begins, acquire a read lock
        for all the operations that might need it. Fortunately
        read locks don't block other reads or writes to the

8470:dd24488cba2d

            branch
        except NameError:
            raise NoRepo('Bazaar modules could not be loaded')

        path = os.path.abspath(path)
        self._checkrepotype(path)
        self.branch = branch.Branch.open(path)
        self.sourcerepo = self.branch.repository
        self._parentids = {}

    def _checkrepotype(self, path):
        # Lightweight checkouts detection is informational but probably
        # fragile at API level. It should not terminate the conversion.
        try:
            from bzrlib import bzrdir
            dir = bzrdir.BzrDir.open_containing(path)[0]
            try:
                tree = dir.open_workingtree(recommend_upgrade=False)
                branch = tree.branch
            except (errors.NoWorkingTree, errors.NotLocalUrl), e:
                tree = None
                branch = dir.open_branch()
            if (tree is not None and tree.bzrdir.root_transport.base !=
                branch.bzrdir.root_transport.base):
                self.ui.warn(_('warning: lightweight checkouts may cause '
                               'conversion failures, try with a regular '
                               'branch instead.\n'))
        except:
            self.ui.note(_('bzr source type could not be determined\n'))

    def before(self):
        """Before the conversion begins, acquire a read lock
        for all the operations that might need it. Fortunately
        read locks don't block other reads or writes to the