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Viewing changes to workingtree.py

  • Committer: Jelmer Vernooij
  • Date: 2010-05-13 08:40:18 UTC
  • mto: (0.200.912 trunk)
  • mto: This revision was merged to the branch mainline in revision 6960.
  • Revision ID: jelmer@samba.org-20100513084018-xp9tbrasde6gih3o
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workingtree.py
21
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from cStringIO import (
22
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    StringIO,
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    )
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from dulwich.index import (
25
 
    Index,
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    )
 
24
import errno
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from dulwich.objects import (
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    Blob,
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    )
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from bzrlib import (
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    errors,
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    ignores,
36
 
    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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44
 
49
45
 
50
46
from bzrlib.plugins.git.inventory import (
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    GitIndexInventory,
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    )
 
49
from bzrlib.plugins.git.mapping import (
 
50
    GitFileIdMap,
 
51
    )
 
52
from bzrlib.plugins.git.tree import (
 
53
    changes_from_git_changes,
 
54
    tree_delta_from_git_changes,
 
55
    )
53
56
 
54
57
 
55
58
IGNORE_FILENAME = ".gitignore"
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61
class GitWorkingTree(workingtree.WorkingTree):
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    """A Git working tree."""
60
63
 
61
 
    def __init__(self, bzrdir, repo, branch):
 
64
    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
66
69
        self._branch = branch
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        self._transport = bzrdir.transport
68
71
 
69
 
        self.controldir = urlutils.join(self.repository._git._controldir, 'bzr')
 
72
        self.controldir = self.bzrdir.transport.local_abspath('bzr')
70
73
 
71
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        try:
72
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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()
 
83
        self.index = index
81
84
        self.views = self._make_views()
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85
        self._detect_case_handling()
83
86
 
 
87
    def extras(self):
 
88
        """Yield all unversioned files in this WorkingTree.
 
89
        """
 
90
        for (dirpath, dirnames, filenames) in os.walk(self.basedir):
 
91
            if self.bzrdir.is_control_filename(dirpath[len(self.basedir):].strip("/")):
 
92
                continue
 
93
            for filename in filenames:
 
94
                relpath = os.path.join(dirpath[len(self.basedir):].strip("/"), filename)
 
95
                if not relpath in self.index:
 
96
                    yield relpath
 
97
 
 
98
 
84
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    def unlock(self):
85
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        # non-implementation specific cleanup
86
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        self._cleanup()
107
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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
124
                    file = StringIO()
110
 
                    stat_val = (0, 0, 0, 0, stat.S_IFREG | 0644, 0, 0, 0, 0, 0)
111
 
                blob._text = file.read()
 
125
                    from posix import stat_result
 
126
                    stat_val = stat_result((stat.S_IFREG | 0644, 0, 0, 0, 0, 0, 0, 0, 0, 0))
 
127
                blob.set_raw_string(file.read())
112
128
            elif entry.kind == "symlink":
113
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                blob = Blob()
114
 
                stat_val = os.stat(self.abspath(path))
115
 
                blob._text = entry.symlink_target
 
130
                try:
 
131
                    stat_val = os.lstat(self.abspath(path))
 
132
                except (errors.NoSuchFile, OSError):
 
133
                    # TODO: Rather than come up with something here, use the 
 
134
                    # old index
 
135
                    from posix import stat_result
 
136
                    stat_val = stat_result((stat.S_IFLNK, 0, 0, 0, 0, 0, 0, 0, 0, 0))
 
137
                blob.set_raw_string(entry.symlink_target)
 
138
            else:
 
139
                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)
 
144
            flags = 0 # FIXME
 
145
            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
146
 
124
147
    def flush(self):
125
148
        # TODO: Maybe this should only write on dirty ?
146
169
        self._ignoreset = ignore_globs
147
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        return ignore_globs
148
171
 
 
172
    def set_last_revision(self, revid):
 
173
        self._change_last_revision(revid)
 
174
 
149
175
    def _reset_data(self):
150
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        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)
 
177
        try:
 
178
            head = self.repository._git.head()
 
179
        except KeyError, name:
 
180
            raise errors.NotBranchError("branch %s at %s" % (name, self.repository.base))
 
181
        basis_inv = self.repository.get_inventory(self.mapping.revision_id_foreign_to_bzr(head))
 
182
        store = self.repository._git.object_store
 
183
        commit = store[head]
 
184
        try:
 
185
            file_id_map_sha = store[commit.tree][self.mapping.BZR_FILE_IDS_FILE][1]
 
186
        except KeyError:
 
187
            file_ids = {}
 
188
        else:
 
189
            file_ids = self.mapping.import_fileid_map(store[file_id_map_sha])
 
190
        fileid_map = GitFileIdMap(file_ids, self.mapping)
 
191
        result = GitIndexInventory(basis_inv, fileid_map, self.index, store)
153
192
        self._set_inventory(result, dirty=False)
154
193
 
155
194
    @needs_read_lock
156
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    def get_file_sha1(self, file_id, path=None, stat_value=None):
157
196
        if not path:
158
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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 LocalGitBzrDirFormat
 
219
        return LocalGitBzrDirFormat()
 
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
        ret = tree_delta_from_git_changes(changes, self.target.mapping, 
 
245
            specific_file=specific_files, require_versioned=require_versioned)
 
246
        if want_unversioned:
 
247
            for e in self.target.extras():
 
248
                ret.unversioned.append((e, None, osutils.file_kind(self.target.abspath(e))))
 
249
        return ret
 
250
 
 
251
    def iter_changes(self, include_unchanged=False, specific_files=None,
 
252
        pb=None, extra_trees=[], require_versioned=True, want_unversioned=False):
 
253
        changes = self._index.changes_from_tree(
 
254
            self.source._repository._git.object_store, self.source.tree, 
 
255
            want_unchanged=include_unchanged)
 
256
        # FIXME: Handle want_unversioned
 
257
        return changes_from_git_changes(changes, self.target.mapping, 
 
258
            specific_file=specific_files)
 
259
 
 
260
tree.InterTree.register_optimiser(InterIndexGitTree)