/brz/remove-bazaar

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Support path argument to get_file_text.

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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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import errno
 
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from dulwich.index import (
 
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    Index,
 
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    )
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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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34
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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,
41
 
    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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    needs_read_lock,
 
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    needs_write_lock,
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    )
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48
49
 
49
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from bzrlib.plugins.git.inventory import (
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    GitIndexInventory,
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    )
52
 
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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    )
56
 
from bzrlib.plugins.git.mapping import (
57
 
    GitFileIdMap,
58
 
    )
 
53
 
59
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IGNORE_FILENAME = ".gitignore"
61
56
 
63
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class GitWorkingTree(workingtree.WorkingTree):
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    """A Git working tree."""
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66
 
    def __init__(self, bzrdir, repo, branch, index):
 
61
    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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66
        self._branch = branch
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        self._transport = bzrdir.transport
73
68
 
74
 
        self.controldir = self.bzrdir.transport.local_abspath('bzr')
 
69
        self.controldir = urlutils.join(self.repository._git._controldir, 'bzr')
75
70
 
76
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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()
85
 
        self.index = index
 
80
        self.index = self.repository._git.open_index()
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        self.views = self._make_views()
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        self._detect_case_handling()
88
83
 
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
 
 
101
84
    def unlock(self):
102
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        # non-implementation specific cleanup
103
86
        self._cleanup()
124
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                except (errors.NoSuchFile, IOError):
125
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                    # TODO: Rather than come up with something here, use the old index
126
109
                    file = StringIO()
127
 
                    from posix import stat_result
128
 
                    stat_val = stat_result((stat.S_IFREG | 0644, 0, 0, 0, 0, 0, 0, 0, 0, 0))
 
110
                    stat_val = (0, 0, 0, 0, stat.S_IFREG | 0644, 0, 0, 0, 0, 0)
129
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                blob.set_raw_string(file.read())
130
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            elif entry.kind == "symlink":
131
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                blob = Blob()
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                except (errors.NoSuchFile, OSError):
135
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                    # TODO: Rather than come up with something here, use the 
136
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                    # 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))
 
119
                    stat_val = (0, 0, 0, 0, stat.S_IFLNK, 0, 0, 0, 0, 0)
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                blob.set_raw_string(entry.symlink_target)
140
 
            else:
141
 
                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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            # Add an entry to the index or update the existing entry
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)
 
125
            (mode, ino, dev, links, uid, gid, size, atime, mtime, ctime) = stat_val
 
126
            flags = 0
 
127
            self.index[path.encode("utf-8")] = (ctime, mtime, ino, dev, mode, uid, gid, size, blob.id, flags)
148
128
 
149
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    def flush(self):
150
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        # TODO: Maybe this should only write on dirty ?
151
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        if self._control_files._lock_mode != 'w':
152
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            raise errors.NotWriteLocked(self)
153
 
        self._rewrite_index()
 
133
        self._rewrite_index()           
154
134
        self.index.write()
155
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        self._inventory_is_modified = False
156
136
 
176
156
 
177
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    def _reset_data(self):
178
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        self._inventory_is_modified = False
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__,
190
 
                store[head].tree)
191
 
        result = GitIndexInventory(basis_inv, fileid_map, self.index, store)
 
159
        basis_inv = self.repository.get_inventory(self.mapping.revision_id_foreign_to_bzr(self.repository._git.head()))
 
160
        result = GitIndexInventory(basis_inv, self.mapping, self.index,
 
161
            self.repository._git.object_store)
192
162
        self._set_inventory(result, dirty=False)
193
163
 
194
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    @needs_read_lock
195
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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)
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 []
 
168
        return osutils.sha_file_by_name(self.abspath(path).encode(osutils._fs_enc))
212
169
 
213
170
 
214
171
class GitWorkingTreeFormat(workingtree.WorkingTreeFormat):
215
172
 
216
 
    @property
217
 
    def _matchingbzrdir(self):
218
 
        from bzrlib.plugins.git import LocalGitControlDirFormat
219
 
        return LocalGitControlDirFormat()
220
 
 
221
173
    def get_format_description(self):
222
174
        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)