/brz/remove-bazaar

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More work on roundtrip push support.

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workingtree.py
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from cStringIO import (
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    StringIO,
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    )
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from dulwich.index import (
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    Index,
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    )
 
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import errno
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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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from bzrlib import (
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    errors,
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    ignores,
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    inventory,
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    lockable_files,
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    lockdir,
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    osutils,
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    transport,
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    urlutils,
 
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    tree,
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    workingtree,
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    )
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from bzrlib.decorators import (
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    needs_read_lock,
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    needs_write_lock,
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    )
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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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61
 
    def __init__(self, bzrdir, repo, branch):
 
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    def __init__(self, bzrdir, repo, branch, index):
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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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69
 
        self.controldir = urlutils.join(self.repository._git._controldir, 'bzr')
 
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        self.controldir = self.bzrdir.transport.local_abspath('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()
80
 
        self.index = self.repository._git.open_index()
 
85
        self.index = index
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        self.views = self._make_views()
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        self._detect_case_handling()
83
88
 
 
89
    def extras(self):
 
90
        """Yield all unversioned files in this WorkingTree.
 
91
        """
 
92
        for (dirpath, dirnames, filenames) in os.walk(self.basedir):
 
93
            if self.bzrdir.is_control_filename(dirpath[len(self.basedir):].strip("/")):
 
94
                continue
 
95
            for filename in filenames:
 
96
                relpath = os.path.join(dirpath[len(self.basedir):].strip("/"), filename)
 
97
                if not relpath in self.index:
 
98
                    yield relpath
 
99
 
 
100
 
84
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    def unlock(self):
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        # non-implementation specific cleanup
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        self._cleanup()
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                except (errors.NoSuchFile, IOError):
108
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                    # TODO: Rather than come up with something here, use the old index
109
126
                    file = StringIO()
110
 
                    stat_val = (0, 0, 0, 0, stat.S_IFREG | 0644, 0, 0, 0, 0, 0)
111
 
                blob._text = file.read()
 
127
                    from posix import stat_result
 
128
                    stat_val = stat_result((stat.S_IFREG | 0644, 0, 0, 0, 0, 0, 0, 0, 0, 0))
 
129
                blob.set_raw_string(file.read())
112
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            elif entry.kind == "symlink":
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                blob = Blob()
114
 
                stat_val = os.stat(self.abspath(path))
115
 
                blob._text = entry.symlink_target
 
132
                try:
 
133
                    stat_val = os.lstat(self.abspath(path))
 
134
                except (errors.NoSuchFile, OSError):
 
135
                    # TODO: Rather than come up with something here, use the 
 
136
                    # old index
 
137
                    from posix import stat_result
 
138
                    stat_val = stat_result((stat.S_IFLNK, 0, 0, 0, 0, 0, 0, 0, 0, 0))
 
139
                blob.set_raw_string(entry.symlink_target)
 
140
            else:
 
141
                raise AssertionError("unknown kind '%s'" % entry.kind)
116
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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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            # Add an entry to the index or update the existing entry
120
 
            (mode, ino, dev, links, uid, gid, size, atime, mtime, ctime) = stat_val
121
 
            flags = 0
122
 
            self.index[path.encode("utf-8")] = (ctime, mtime, ino, dev, mode, uid, gid, size, blob.id, flags)
 
146
            flags = 0 # FIXME
 
147
            self.index[path.encode("utf-8")] = (stat_val.st_ctime, stat_val.st_mtime, stat_val.st_dev, stat_val.st_ino, stat_val.st_mode, stat_val.st_uid, stat_val.st_gid, stat_val.st_size, blob.id, flags)
123
148
 
124
149
    def flush(self):
125
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        # TODO: Maybe this should only write on dirty ?
126
151
        if self._control_files._lock_mode != 'w':
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            raise errors.NotWriteLocked(self)
128
 
        self._rewrite_index()           
 
153
        self._rewrite_index()
129
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        self.index.write()
130
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        self._inventory_is_modified = False
131
156
 
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171
        self._ignoreset = ignore_globs
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        return ignore_globs
148
173
 
 
174
    def set_last_revision(self, revid):
 
175
        self._change_last_revision(revid)
 
176
 
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177
    def _reset_data(self):
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178
        self._inventory_is_modified = False
151
 
        basis_inv = self.repository.get_inventory(self.mapping.revision_id_foreign_to_bzr(self.repository._git.head()))
152
 
        result = GitIndexInventory(basis_inv, self.mapping, self.index)
 
179
        try:
 
180
            head = self.repository._git.head()
 
181
        except KeyError, name:
 
182
            raise errors.NotBranchError("branch %s at %s" % (name, self.repository.base))
 
183
        basis_inv = self.repository.get_inventory(self.branch.lookup_foreign_revision_id(head))
 
184
        store = self.repository._git.object_store
 
185
        if head == ZERO_SHA:
 
186
            fileid_map = GitFileIdMap({}, self.mapping)
 
187
            basis_inv = None
 
188
        else:
 
189
            fileid_map = self.mapping.get_fileid_map(store.__getitem__,
 
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                store[head].tree)
 
191
        result = GitIndexInventory(basis_inv, fileid_map, self.index, store)
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        self._set_inventory(result, dirty=False)
154
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155
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    @needs_read_lock
156
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    def get_file_sha1(self, file_id, path=None, stat_value=None):
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        if not path:
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            path = self._inventory.id2path(file_id)
159
 
        return osutils.sha_file_by_name(self.abspath(path).encode(osutils._fs_enc))
 
198
        try:
 
199
            return osutils.sha_file_by_name(self.abspath(path).encode(osutils._fs_enc))
 
200
        except OSError, (num, msg):
 
201
            if num in (errno.EISDIR, errno.ENOENT):
 
202
                return None
 
203
            raise
 
204
 
 
205
    def revision_tree(self, revid):
 
206
        return self.repository.revision_tree(revid)
 
207
 
 
208
    @needs_read_lock
 
209
    def conflicts(self):
 
210
        # FIXME:
 
211
        return []
160
212
 
161
213
 
162
214
class GitWorkingTreeFormat(workingtree.WorkingTreeFormat):
163
215
 
 
216
    @property
 
217
    def _matchingbzrdir(self):
 
218
        from bzrlib.plugins.git import LocalGitControlDirFormat
 
219
        return LocalGitControlDirFormat()
 
220
 
164
221
    def get_format_description(self):
165
222
        return "Git Working Tree"
 
223
 
 
224
 
 
225
class InterIndexGitTree(tree.InterTree):
 
226
    """InterTree that works between a Git revision tree and an index."""
 
227
 
 
228
    def __init__(self, source, target):
 
229
        super(InterIndexGitTree, self).__init__(source, target)
 
230
        self._index = target.index
 
231
 
 
232
    @classmethod
 
233
    def is_compatible(cls, source, target):
 
234
        from bzrlib.plugins.git.repository import GitRevisionTree
 
235
        return (isinstance(source, GitRevisionTree) and 
 
236
                isinstance(target, GitWorkingTree))
 
237
 
 
238
    def compare(self, want_unchanged=False, specific_files=None,
 
239
                extra_trees=None, require_versioned=False, include_root=False,
 
240
                want_unversioned=False):
 
241
        changes = self._index.changes_from_tree(
 
242
            self.source._repository._git.object_store, self.source.tree, 
 
243
            want_unchanged=want_unchanged)
 
244
        source_fileid_map = self.source.mapping.get_fileid_map(
 
245
            self.source._repository._git.object_store.__getitem__,
 
246
            self.source.tree)
 
247
        if self.target.mapping.BZR_FILE_IDS_FILE is not None:
 
248
            file_id = self.target.path2id(
 
249
                self.target.mapping.BZR_FILE_IDS_FILE)
 
250
            if file_id is None:
 
251
                target_fileid_map = {}
 
252
            else:
 
253
                target_fileid_map = self.target.mapping.import_fileid_map(Blob.from_string(self.target.get_file_text(file_id)))
 
254
        else:
 
255
            target_fileid_map = {}
 
256
        target_fileid_map = GitFileIdMap(target_fileid_map, self.target.mapping)
 
257
        ret = tree_delta_from_git_changes(changes, self.target.mapping,
 
258
            (source_fileid_map, target_fileid_map),
 
259
            specific_file=specific_files, require_versioned=require_versioned)
 
260
        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(
 
268
            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)