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workingtree.py
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from dulwich.objects import (
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    Blob,
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    )
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from dulwich.protocol import (
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    ZERO_SHA,
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    )
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import os
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import stat
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    osutils,
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    transport,
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    tree,
 
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    urlutils,
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    workingtree,
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    )
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from bzrlib.decorators import (
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from bzrlib.plugins.git.inventory import (
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    GitIndexInventory,
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    )
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from bzrlib.plugins.git.tree import (
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    changes_from_git_changes,
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    tree_delta_from_git_changes,
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    )
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from bzrlib.plugins.git.mapping import (
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    GitFileIdMap,
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    )
 
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IGNORE_FILENAME = ".gitignore"
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class GitWorkingTree(workingtree.WorkingTree):
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    """A Git working tree."""
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    def __init__(self, bzrdir, repo, branch, index):
 
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    def __init__(self, bzrdir, repo, branch):
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        self.basedir = bzrdir.root_transport.local_abspath('.')
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        self.bzrdir = bzrdir
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        self.repository = repo
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        self._branch = branch
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        self._transport = bzrdir.transport
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        self.controldir = self.bzrdir.transport.local_abspath('bzr')
 
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        self.controldir = urlutils.join(self.repository._git._controldir, 'bzr')
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        try:
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            os.makedirs(self.controldir)
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        self._control_files = lockable_files.LockableFiles(
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            transport.get_transport(self.controldir), 'lock', lockdir.LockDir)
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        self._format = GitWorkingTreeFormat()
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        self.index = index
 
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        self.index = self.repository._git.open_index()
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        self.views = self._make_views()
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        self._detect_case_handling()
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    def extras(self):
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        """Yield all unversioned files in this WorkingTree.
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        """
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        for (dirpath, dirnames, filenames) in os.walk(self.basedir):
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            if self.bzrdir.is_control_filename(dirpath[len(self.basedir):].strip("/")):
 
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        for (relroot, top), entries in osutils.walkdirs(self.basedir, ""):
 
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            if self.bzrdir.is_control_filename(relroot):
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                continue
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            for filename in filenames:
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                relpath = os.path.join(dirpath[len(self.basedir):].strip("/"), filename)
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                if not relpath in self.index:
 
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            for (relpath, basename, kind, lstat, path_from_top) in entries:
 
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                if self.bzrdir.is_control_filename(basename):
 
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                    continue
 
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                if not self.inventory.has_filename(relpath) and kind in ('file', 'symlink'):
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                    yield relpath
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                    from posix import stat_result
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                    stat_val = stat_result((stat.S_IFLNK, 0, 0, 0, 0, 0, 0, 0, 0, 0))
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                blob.set_raw_string(entry.symlink_target)
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            else:
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                raise AssertionError("unknown kind '%s'" % entry.kind)
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            # Add object to the repository if it didn't exist yet
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            if not blob.id in self.repository._git.object_store:
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                self.repository._git.object_store.add_object(blob)
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        # TODO: Maybe this should only write on dirty ?
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        if self._control_files._lock_mode != 'w':
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            raise errors.NotWriteLocked(self)
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        self._rewrite_index()
 
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        self._rewrite_index()           
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        self.index.write()
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        self._inventory_is_modified = False
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    def _reset_data(self):
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        self._inventory_is_modified = False
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        try:
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            head = self.repository._git.head()
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        except KeyError, name:
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            raise errors.NotBranchError("branch %s at %s" % (name, self.repository.base))
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        basis_inv = self.repository.get_inventory(self.branch.lookup_foreign_revision_id(head))
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        store = self.repository._git.object_store
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        if head == ZERO_SHA:
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            fileid_map = GitFileIdMap({}, self.mapping)
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            basis_inv = None
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        else:
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            fileid_map = self.mapping.get_fileid_map(store.__getitem__,
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                store[head].tree)
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        result = GitIndexInventory(basis_inv, fileid_map, self.index, store)
 
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        basis_inv = self.repository.get_inventory(self.mapping.revision_id_foreign_to_bzr(self.repository._git.head()))
 
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        result = GitIndexInventory(basis_inv, self.mapping, self.index,
 
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            self.repository._git.object_store)
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        self._set_inventory(result, dirty=False)
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    @needs_read_lock
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                return None
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            raise
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    def revision_tree(self, revid):
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        return self.repository.revision_tree(revid)
 
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    def iter_changes(self, from_tree, include_unchanged=False,
 
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                     specific_files=None, pb=None, extra_trees=None,
 
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                     require_versioned=True, want_unversioned=False):
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    @needs_read_lock
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    def conflicts(self):
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        # FIXME:
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        return []
 
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        intertree = tree.InterTree.get(from_tree, self)
 
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        return intertree.iter_changes(include_unchanged, specific_files, pb,
 
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            extra_trees, require_versioned, want_unversioned=want_unversioned)
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class GitWorkingTreeFormat(workingtree.WorkingTreeFormat):
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    @property
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    def _matchingbzrdir(self):
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        from bzrlib.plugins.git import LocalGitControlDirFormat
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        return LocalGitControlDirFormat()
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    def get_format_description(self):
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        return "Git Working Tree"
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class InterIndexGitTree(tree.InterTree):
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    """InterTree that works between a Git revision tree and an index."""
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228
 
    def __init__(self, source, target):
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        super(InterIndexGitTree, self).__init__(source, target)
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        self._index = target.index
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    @classmethod
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    def is_compatible(cls, source, target):
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        from bzrlib.plugins.git.repository import GitRevisionTree
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        return (isinstance(source, GitRevisionTree) and 
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                isinstance(target, GitWorkingTree))
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    def compare(self, want_unchanged=False, specific_files=None,
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                extra_trees=None, require_versioned=False, include_root=False,
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                want_unversioned=False):
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        changes = self._index.changes_from_tree(
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            self.source._repository._git.object_store, self.source.tree, 
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            want_unchanged=want_unchanged)
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        source_fileid_map = self.source.mapping.get_fileid_map(
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            self.source._repository._git.object_store.__getitem__,
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            self.source.tree)
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        if self.target.mapping.BZR_FILE_IDS_FILE is not None:
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            file_id = self.target.path2id(
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                self.target.mapping.BZR_FILE_IDS_FILE)
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            if file_id is None:
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                target_fileid_map = {}
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            else:
253
 
                target_fileid_map = self.target.mapping.import_fileid_map(Blob.from_string(self.target.get_file_text(file_id)))
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        else:
255
 
            target_fileid_map = {}
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        target_fileid_map = GitFileIdMap(target_fileid_map, self.target.mapping)
257
 
        ret = tree_delta_from_git_changes(changes, self.target.mapping,
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            (source_fileid_map, target_fileid_map),
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            specific_file=specific_files, require_versioned=require_versioned)
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        if want_unversioned:
261
 
            for e in self.target.extras():
262
 
                ret.unversioned.append((e, None, osutils.file_kind(self.target.abspath(e))))
263
 
        return ret
264
 
 
265
 
    def iter_changes(self, include_unchanged=False, specific_files=None,
266
 
        pb=None, extra_trees=[], require_versioned=True, want_unversioned=False):
267
 
        changes = self._index.changes_from_tree(
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            self.source._repository._git.object_store, self.source.tree, 
269
 
            want_unchanged=include_unchanged)
270
 
        # FIXME: Handle want_unversioned
271
 
        return changes_from_git_changes(changes, self.target.mapping, 
272
 
            specific_file=specific_files)
273
 
 
274
 
tree.InterTree.register_optimiser(InterIndexGitTree)