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  • Committer: Jelmer Vernooij
  • Date: 2020-02-07 02:14:30 UTC
  • mto: This revision was merged to the branch mainline in revision 7492.
  • Revision ID: jelmer@jelmer.uk-20200207021430-m49iq3x4x8xlib6x
Drop python2 support.

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1
 
# Copyright (C) 2008 Jelmer Vernooij <jelmer@samba.org>
 
1
# Copyright (C) 2008-2018 Jelmer Vernooij <jelmer@jelmer.uk>
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
12
12
#
13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
16
 
16
17
 
17
18
"""An adapter between a Git index and a Bazaar Working Tree"""
18
19
 
 
20
from __future__ import absolute_import
 
21
 
 
22
import itertools
 
23
from collections import defaultdict
 
24
import errno
 
25
from dulwich.ignore import (
 
26
    IgnoreFilterManager,
 
27
    )
 
28
from dulwich.config import ConfigFile as GitConfigFile
 
29
from dulwich.file import GitFile, FileLocked
 
30
from dulwich.index import (
 
31
    Index,
 
32
    SHA1Writer,
 
33
    build_index_from_tree,
 
34
    index_entry_from_path,
 
35
    index_entry_from_stat,
 
36
    FLAG_STAGEMASK,
 
37
    read_submodule_head,
 
38
    validate_path,
 
39
    write_index_dict,
 
40
    )
 
41
from dulwich.object_store import (
 
42
    tree_lookup_path,
 
43
    )
 
44
from dulwich.objects import (
 
45
    S_ISGITLINK,
 
46
    )
19
47
import os
 
48
import posixpath
 
49
import stat
 
50
import sys
20
51
 
21
 
from bzrlib import (
22
 
    inventory,
23
 
    lockable_files,
24
 
    lockdir,
25
 
    transport,
 
52
from .. import (
 
53
    branch as _mod_branch,
 
54
    conflicts as _mod_conflicts,
 
55
    errors,
 
56
    controldir as _mod_controldir,
 
57
    globbing,
 
58
    ignores,
 
59
    lock,
 
60
    merge,
 
61
    osutils,
 
62
    revision as _mod_revision,
 
63
    trace,
 
64
    transport as _mod_transport,
 
65
    tree,
26
66
    urlutils,
27
67
    workingtree,
28
68
    )
29
 
 
30
 
from dulwich.index import Index
31
 
 
32
 
class GitWorkingTree(workingtree.WorkingTree):
 
69
from ..decorators import (
 
70
    only_raises,
 
71
    )
 
72
from ..mutabletree import (
 
73
    BadReferenceTarget,
 
74
    MutableTree,
 
75
    )
 
76
 
 
77
 
 
78
from .dir import (
 
79
    LocalGitDir,
 
80
    )
 
81
from .tree import (
 
82
    MutableGitIndexTree,
 
83
    )
 
84
from .mapping import (
 
85
    mode_kind,
 
86
    )
 
87
 
 
88
 
 
89
class GitWorkingTree(MutableGitIndexTree, workingtree.WorkingTree):
33
90
    """A Git working tree."""
34
91
 
35
 
    def __init__(self, bzrdir, repo, branch):
36
 
        self.basedir = bzrdir.transport.base
37
 
        self.bzrdir = bzrdir
 
92
    def __init__(self, controldir, repo, branch):
 
93
        MutableGitIndexTree.__init__(self)
 
94
        basedir = controldir.root_transport.local_abspath('.')
 
95
        self.basedir = osutils.realpath(basedir)
 
96
        self.controldir = controldir
38
97
        self.repository = repo
 
98
        self.store = self.repository._git.object_store
 
99
        self.mapping = self.repository.get_mapping()
39
100
        self._branch = branch
40
 
        self._transport = bzrdir.transport
41
 
 
42
 
        self.controldir = urlutils.join(self.repository._git.path, 'bzr')
43
 
 
44
 
        try:
45
 
            os.makedirs(self.controldir)
46
 
            os.makedirs(os.path.join(self.controldir, 'lock'))
47
 
        except OSError:
48
 
            pass
49
 
 
50
 
        self._control_files = lockable_files.LockableFiles(
51
 
            transport.get_transport(self.controldir), 'lock', lockdir.LockDir)
52
 
 
 
101
        self._transport = self.repository._git._controltransport
53
102
        self._format = GitWorkingTreeFormat()
54
 
 
55
 
        self.index = Index(os.path.join(self.repository._git.controldir(), 
56
 
            "index"))
57
 
 
 
103
        self.index = None
 
104
        self._index_file = None
 
105
        self.views = self._make_views()
 
106
        self._rules_searcher = None
 
107
        self._detect_case_handling()
 
108
        self._reset_data()
 
109
 
 
110
    def supports_tree_reference(self):
 
111
        return True
 
112
 
 
113
    def supports_rename_tracking(self):
 
114
        return False
 
115
 
 
116
    def _read_index(self):
 
117
        self.index = Index(self.control_transport.local_abspath('index'))
 
118
        self._index_dirty = False
 
119
 
 
120
    def _get_submodule_index(self, relpath):
 
121
        if not isinstance(relpath, bytes):
 
122
            raise TypeError(relpath)
 
123
        try:
 
124
            info = self._submodule_info()[relpath]
 
125
        except KeyError:
 
126
            index_path = os.path.join(self.basedir, relpath.decode('utf-8'), '.git', 'index')
 
127
        else:
 
128
            index_path = self.control_transport.local_abspath(
 
129
                posixpath.join('modules', info[1], 'index'))
 
130
        return Index(index_path)
 
131
 
 
132
    def lock_read(self):
 
133
        """Lock the repository for read operations.
 
134
 
 
135
        :return: A breezy.lock.LogicalLockResult.
 
136
        """
 
137
        if not self._lock_mode:
 
138
            self._lock_mode = 'r'
 
139
            self._lock_count = 1
 
140
            self._read_index()
 
141
        else:
 
142
            self._lock_count += 1
 
143
        self.branch.lock_read()
 
144
        return lock.LogicalLockResult(self.unlock)
 
145
 
 
146
    def _lock_write_tree(self):
 
147
        if not self._lock_mode:
 
148
            self._lock_mode = 'w'
 
149
            self._lock_count = 1
 
150
            try:
 
151
                self._index_file = GitFile(
 
152
                    self.control_transport.local_abspath('index'), 'wb')
 
153
            except FileLocked:
 
154
                raise errors.LockContention('index')
 
155
            self._read_index()
 
156
        elif self._lock_mode == 'r':
 
157
            raise errors.ReadOnlyError(self)
 
158
        else:
 
159
            self._lock_count += 1
 
160
 
 
161
    def lock_tree_write(self):
 
162
        self.branch.lock_read()
 
163
        try:
 
164
            self._lock_write_tree()
 
165
            return lock.LogicalLockResult(self.unlock)
 
166
        except BaseException:
 
167
            self.branch.unlock()
 
168
            raise
 
169
 
 
170
    def lock_write(self, token=None):
 
171
        self.branch.lock_write()
 
172
        try:
 
173
            self._lock_write_tree()
 
174
            return lock.LogicalLockResult(self.unlock)
 
175
        except BaseException:
 
176
            self.branch.unlock()
 
177
            raise
 
178
 
 
179
    def is_locked(self):
 
180
        return self._lock_count >= 1
 
181
 
 
182
    def get_physical_lock_status(self):
 
183
        return False
 
184
 
 
185
    def break_lock(self):
 
186
        try:
 
187
            self.control_transport.delete('index.lock')
 
188
        except errors.NoSuchFile:
 
189
            pass
 
190
        self.branch.break_lock()
 
191
 
 
192
    @only_raises(errors.LockNotHeld, errors.LockBroken)
58
193
    def unlock(self):
59
 
        # non-implementation specific cleanup
60
 
        self._cleanup()
61
 
 
62
 
        # reverse order of locking.
 
194
        if not self._lock_count:
 
195
            return lock.cant_unlock_not_held(self)
63
196
        try:
64
 
            return self._control_files.unlock()
 
197
            self._cleanup()
 
198
            self._lock_count -= 1
 
199
            if self._lock_count > 0:
 
200
                return
 
201
            if self._index_file is not None:
 
202
                if self._index_dirty:
 
203
                    self._flush(self._index_file)
 
204
                    self._index_file.close()
 
205
                else:
 
206
                    # Something else already triggered a write of the index
 
207
                    # file by calling .flush()
 
208
                    self._index_file.abort()
 
209
                self._index_file = None
 
210
            self._lock_mode = None
 
211
            self.index = None
65
212
        finally:
66
213
            self.branch.unlock()
67
214
 
68
 
    def is_control_filename(self, path):
69
 
        return os.path.basename(path) == ".git"
70
 
 
71
 
    def _get_inventory(self):
72
 
        return inventory.Inventory()
73
 
 
74
 
    inventory = property(_get_inventory,
75
 
                         doc="Inventory of this Tree")
 
215
    def _cleanup(self):
 
216
        pass
 
217
 
 
218
    def _detect_case_handling(self):
 
219
        try:
 
220
            self._transport.stat(".git/cOnFiG")
 
221
        except errors.NoSuchFile:
 
222
            self.case_sensitive = True
 
223
        else:
 
224
            self.case_sensitive = False
 
225
 
 
226
    def get_transform(self, pb=None):
 
227
        from ..transform import TreeTransform
 
228
        return TreeTransform(self, pb=pb)
 
229
 
 
230
    def merge_modified(self):
 
231
        return {}
 
232
 
 
233
    def set_merge_modified(self, modified_hashes):
 
234
        raise errors.UnsupportedOperation(self.set_merge_modified, self)
 
235
 
 
236
    def set_parent_trees(self, parents_list, allow_leftmost_as_ghost=False):
 
237
        self.set_parent_ids([p for p, t in parents_list])
 
238
 
 
239
    def _set_merges_from_parent_ids(self, rhs_parent_ids):
 
240
        try:
 
241
            merges = [self.branch.lookup_bzr_revision_id(
 
242
                revid)[0] for revid in rhs_parent_ids]
 
243
        except errors.NoSuchRevision as e:
 
244
            raise errors.GhostRevisionUnusableHere(e.revision)
 
245
        if merges:
 
246
            self.control_transport.put_bytes(
 
247
                'MERGE_HEAD', b'\n'.join(merges),
 
248
                mode=self.controldir._get_file_mode())
 
249
        else:
 
250
            try:
 
251
                self.control_transport.delete('MERGE_HEAD')
 
252
            except errors.NoSuchFile:
 
253
                pass
 
254
 
 
255
    def set_parent_ids(self, revision_ids, allow_leftmost_as_ghost=False):
 
256
        """Set the parent ids to revision_ids.
 
257
 
 
258
        See also set_parent_trees. This api will try to retrieve the tree data
 
259
        for each element of revision_ids from the trees repository. If you have
 
260
        tree data already available, it is more efficient to use
 
261
        set_parent_trees rather than set_parent_ids. set_parent_ids is however
 
262
        an easier API to use.
 
263
 
 
264
        :param revision_ids: The revision_ids to set as the parent ids of this
 
265
            working tree. Any of these may be ghosts.
 
266
        """
 
267
        with self.lock_tree_write():
 
268
            self._check_parents_for_ghosts(
 
269
                revision_ids, allow_leftmost_as_ghost=allow_leftmost_as_ghost)
 
270
            for revision_id in revision_ids:
 
271
                _mod_revision.check_not_reserved_id(revision_id)
 
272
 
 
273
            revision_ids = self._filter_parent_ids_by_ancestry(revision_ids)
 
274
 
 
275
            if len(revision_ids) > 0:
 
276
                self.set_last_revision(revision_ids[0])
 
277
            else:
 
278
                self.set_last_revision(_mod_revision.NULL_REVISION)
 
279
 
 
280
            self._set_merges_from_parent_ids(revision_ids[1:])
 
281
 
 
282
    def get_parent_ids(self):
 
283
        """See Tree.get_parent_ids.
 
284
 
 
285
        This implementation reads the pending merges list and last_revision
 
286
        value and uses that to decide what the parents list should be.
 
287
        """
 
288
        last_rev = _mod_revision.ensure_null(self._last_revision())
 
289
        if _mod_revision.NULL_REVISION == last_rev:
 
290
            parents = []
 
291
        else:
 
292
            parents = [last_rev]
 
293
        try:
 
294
            merges_bytes = self.control_transport.get_bytes('MERGE_HEAD')
 
295
        except errors.NoSuchFile:
 
296
            pass
 
297
        else:
 
298
            for l in osutils.split_lines(merges_bytes):
 
299
                revision_id = l.rstrip(b'\n')
 
300
                parents.append(
 
301
                    self.branch.lookup_foreign_revision_id(revision_id))
 
302
        return parents
 
303
 
 
304
    def check_state(self):
 
305
        """Check that the working state is/isn't valid."""
 
306
        pass
 
307
 
 
308
    def remove(self, files, verbose=False, to_file=None, keep_files=True,
 
309
               force=False):
 
310
        """Remove nominated files from the working tree metadata.
 
311
 
 
312
        :param files: File paths relative to the basedir.
 
313
        :param keep_files: If true, the files will also be kept.
 
314
        :param force: Delete files and directories, even if they are changed
 
315
            and even if the directories are not empty.
 
316
        """
 
317
        if not isinstance(files, list):
 
318
            files = [files]
 
319
 
 
320
        if to_file is None:
 
321
            to_file = sys.stdout
 
322
 
 
323
        def backup(file_to_backup):
 
324
            abs_path = self.abspath(file_to_backup)
 
325
            backup_name = self.controldir._available_backup_name(
 
326
                file_to_backup)
 
327
            osutils.rename(abs_path, self.abspath(backup_name))
 
328
            return "removed %s (but kept a copy: %s)" % (
 
329
                file_to_backup, backup_name)
 
330
 
 
331
        # Sort needed to first handle directory content before the directory
 
332
        files_to_backup = []
 
333
 
 
334
        all_files = set()
 
335
 
 
336
        def recurse_directory_to_add_files(directory):
 
337
            # Recurse directory and add all files
 
338
            # so we can check if they have changed.
 
339
            for parent_info, file_infos in self.walkdirs(directory):
 
340
                for relpath, basename, kind, lstat, fileid, kind in file_infos:
 
341
                    # Is it versioned or ignored?
 
342
                    if self.is_versioned(relpath):
 
343
                        # Add nested content for deletion.
 
344
                        all_files.add(relpath)
 
345
                    else:
 
346
                        # Files which are not versioned
 
347
                        # should be treated as unknown.
 
348
                        files_to_backup.append(relpath)
 
349
 
 
350
        with self.lock_tree_write():
 
351
            for filepath in files:
 
352
                # Get file name into canonical form.
 
353
                abspath = self.abspath(filepath)
 
354
                filepath = self.relpath(abspath)
 
355
 
 
356
                if filepath:
 
357
                    all_files.add(filepath)
 
358
                    recurse_directory_to_add_files(filepath)
 
359
 
 
360
            files = list(all_files)
 
361
 
 
362
            if len(files) == 0:
 
363
                return  # nothing to do
 
364
 
 
365
            # Sort needed to first handle directory content before the
 
366
            # directory
 
367
            files.sort(reverse=True)
 
368
 
 
369
            # Bail out if we are going to delete files we shouldn't
 
370
            if not keep_files and not force:
 
371
                for change in self.iter_changes(
 
372
                        self.basis_tree(), include_unchanged=True,
 
373
                        require_versioned=False, want_unversioned=True,
 
374
                        specific_files=files):
 
375
                    if change.versioned[0] is False:
 
376
                        # The record is unknown or newly added
 
377
                        files_to_backup.append(change.path[1])
 
378
                        files_to_backup.extend(
 
379
                            osutils.parent_directories(change.path[1]))
 
380
                    elif (change.changed_content and (change.kind[1] is not None)
 
381
                            and osutils.is_inside_any(files, change.path[1])):
 
382
                        # Versioned and changed, but not deleted, and still
 
383
                        # in one of the dirs to be deleted.
 
384
                        files_to_backup.append(change.path[1])
 
385
                        files_to_backup.extend(
 
386
                            osutils.parent_directories(change.path[1]))
 
387
 
 
388
            for f in files:
 
389
                if f == '':
 
390
                    continue
 
391
 
 
392
                try:
 
393
                    kind = self.kind(f)
 
394
                except errors.NoSuchFile:
 
395
                    kind = None
 
396
 
 
397
                abs_path = self.abspath(f)
 
398
                if verbose:
 
399
                    # having removed it, it must be either ignored or unknown
 
400
                    if self.is_ignored(f):
 
401
                        new_status = 'I'
 
402
                    else:
 
403
                        new_status = '?'
 
404
                    kind_ch = osutils.kind_marker(kind)
 
405
                    to_file.write(new_status + '       ' + f + kind_ch + '\n')
 
406
                if kind is None:
 
407
                    message = "%s does not exist" % (f, )
 
408
                else:
 
409
                    if not keep_files:
 
410
                        if f in files_to_backup and not force:
 
411
                            message = backup(f)
 
412
                        else:
 
413
                            if kind == 'directory':
 
414
                                osutils.rmtree(abs_path)
 
415
                            else:
 
416
                                osutils.delete_any(abs_path)
 
417
                            message = "deleted %s" % (f,)
 
418
                    else:
 
419
                        message = "removed %s" % (f,)
 
420
                self._unversion_path(f)
 
421
 
 
422
                # print only one message (if any) per file.
 
423
                if message is not None:
 
424
                    trace.note(message)
 
425
            self._versioned_dirs = None
 
426
 
 
427
    def smart_add(self, file_list, recurse=True, action=None, save=True):
 
428
        if not file_list:
 
429
            file_list = [u'.']
 
430
 
 
431
        # expand any symlinks in the directory part, while leaving the
 
432
        # filename alone
 
433
        # only expanding if symlinks are supported avoids windows path bugs
 
434
        if self.supports_symlinks():
 
435
            file_list = list(map(osutils.normalizepath, file_list))
 
436
 
 
437
        conflicts_related = set()
 
438
        for c in self.conflicts():
 
439
            conflicts_related.update(c.associated_filenames())
 
440
 
 
441
        added = []
 
442
        ignored = {}
 
443
        user_dirs = []
 
444
 
 
445
        def call_action(filepath, kind):
 
446
            if filepath == '':
 
447
                return
 
448
            if action is not None:
 
449
                parent_path = posixpath.dirname(filepath)
 
450
                parent_id = self.path2id(parent_path)
 
451
                parent_ie = self._get_dir_ie(parent_path, parent_id)
 
452
                file_id = action(self, parent_ie, filepath, kind)
 
453
                if file_id is not None:
 
454
                    raise workingtree.SettingFileIdUnsupported()
 
455
 
 
456
        with self.lock_tree_write():
 
457
            for filepath in osutils.canonical_relpaths(
 
458
                    self.basedir, file_list):
 
459
                filepath, can_access = osutils.normalized_filename(filepath)
 
460
                if not can_access:
 
461
                    raise errors.InvalidNormalization(filepath)
 
462
 
 
463
                abspath = self.abspath(filepath)
 
464
                kind = osutils.file_kind(abspath)
 
465
                if kind in ("file", "symlink"):
 
466
                    (index, subpath) = self._lookup_index(
 
467
                        filepath.encode('utf-8'))
 
468
                    if subpath in index:
 
469
                        # Already present
 
470
                        continue
 
471
                    call_action(filepath, kind)
 
472
                    if save:
 
473
                        self._index_add_entry(filepath, kind)
 
474
                    added.append(filepath)
 
475
                elif kind == "directory":
 
476
                    (index, subpath) = self._lookup_index(
 
477
                        filepath.encode('utf-8'))
 
478
                    if subpath not in index:
 
479
                        call_action(filepath, kind)
 
480
                    if recurse:
 
481
                        user_dirs.append(filepath)
 
482
                else:
 
483
                    raise errors.BadFileKindError(filename=abspath, kind=kind)
 
484
            for user_dir in user_dirs:
 
485
                abs_user_dir = self.abspath(user_dir)
 
486
                if user_dir != '':
 
487
                    try:
 
488
                        transport = _mod_transport.get_transport_from_path(
 
489
                            abs_user_dir)
 
490
                        _mod_controldir.ControlDirFormat.find_format(transport)
 
491
                        subtree = True
 
492
                    except errors.NotBranchError:
 
493
                        subtree = False
 
494
                    except errors.UnsupportedFormatError:
 
495
                        subtree = False
 
496
                else:
 
497
                    subtree = False
 
498
                if subtree:
 
499
                    trace.warning('skipping nested tree %r', abs_user_dir)
 
500
                    continue
 
501
 
 
502
                for name in os.listdir(abs_user_dir):
 
503
                    subp = os.path.join(user_dir, name)
 
504
                    if (self.is_control_filename(subp) or
 
505
                            self.mapping.is_special_file(subp)):
 
506
                        continue
 
507
                    ignore_glob = self.is_ignored(subp)
 
508
                    if ignore_glob is not None:
 
509
                        ignored.setdefault(ignore_glob, []).append(subp)
 
510
                        continue
 
511
                    abspath = self.abspath(subp)
 
512
                    kind = osutils.file_kind(abspath)
 
513
                    if kind == "directory":
 
514
                        user_dirs.append(subp)
 
515
                    else:
 
516
                        (index, subpath) = self._lookup_index(
 
517
                            subp.encode('utf-8'))
 
518
                        if subpath in index:
 
519
                            # Already present
 
520
                            continue
 
521
                        if subp in conflicts_related:
 
522
                            continue
 
523
                        call_action(subp, kind)
 
524
                        if save:
 
525
                            self._index_add_entry(subp, kind)
 
526
                        added.append(subp)
 
527
            return added, ignored
 
528
 
 
529
    def has_filename(self, filename):
 
530
        return osutils.lexists(self.abspath(filename))
 
531
 
 
532
    def _iter_files_recursive(self, from_dir=None, include_dirs=False,
 
533
                              recurse_nested=False):
 
534
        if from_dir is None:
 
535
            from_dir = u""
 
536
        if not isinstance(from_dir, str):
 
537
            raise TypeError(from_dir)
 
538
        encoded_from_dir = self.abspath(from_dir).encode(osutils._fs_enc)
 
539
        for (dirpath, dirnames, filenames) in os.walk(encoded_from_dir):
 
540
            dir_relpath = dirpath[len(self.basedir):].strip(b"/")
 
541
            if self.controldir.is_control_filename(
 
542
                    dir_relpath.decode(osutils._fs_enc)):
 
543
                continue
 
544
            for name in list(dirnames):
 
545
                if self.controldir.is_control_filename(
 
546
                        name.decode(osutils._fs_enc)):
 
547
                    dirnames.remove(name)
 
548
                    continue
 
549
                relpath = os.path.join(dir_relpath, name)
 
550
                if not recurse_nested and self._directory_is_tree_reference(relpath.decode(osutils._fs_enc)):
 
551
                    dirnames.remove(name)
 
552
                if include_dirs:
 
553
                    try:
 
554
                        yield relpath.decode(osutils._fs_enc)
 
555
                    except UnicodeDecodeError:
 
556
                        raise errors.BadFilenameEncoding(
 
557
                            relpath, osutils._fs_enc)
 
558
                    if not self.is_versioned(relpath.decode(osutils._fs_enc)):
 
559
                        dirnames.remove(name)
 
560
            for name in filenames:
 
561
                if self.mapping.is_special_file(name):
 
562
                    continue
 
563
                if self.controldir.is_control_filename(
 
564
                        name.decode(osutils._fs_enc, 'replace')):
 
565
                    continue
 
566
                yp = os.path.join(dir_relpath, name)
 
567
                try:
 
568
                    yield yp.decode(osutils._fs_enc)
 
569
                except UnicodeDecodeError:
 
570
                    raise errors.BadFilenameEncoding(
 
571
                        yp, osutils._fs_enc)
 
572
 
 
573
    def extras(self):
 
574
        """Yield all unversioned files in this WorkingTree.
 
575
        """
 
576
        with self.lock_read():
 
577
            index_paths = set(
 
578
                [p.decode('utf-8') for p, i in self._recurse_index_entries()])
 
579
            all_paths = set(self._iter_files_recursive(include_dirs=False))
 
580
            return iter(all_paths - index_paths)
 
581
 
 
582
    def _gather_kinds(self, files, kinds):
 
583
        """See MutableTree._gather_kinds."""
 
584
        with self.lock_tree_write():
 
585
            for pos, f in enumerate(files):
 
586
                if kinds[pos] is None:
 
587
                    fullpath = osutils.normpath(self.abspath(f))
 
588
                    try:
 
589
                        kind = osutils.file_kind(fullpath)
 
590
                    except OSError as e:
 
591
                        if e.errno == errno.ENOENT:
 
592
                            raise errors.NoSuchFile(fullpath)
 
593
                    if f != '' and self._directory_is_tree_reference(f):
 
594
                        kind = 'tree-reference'
 
595
                    kinds[pos] = kind
 
596
 
 
597
    def flush(self):
 
598
        if self._lock_mode != 'w':
 
599
            raise errors.NotWriteLocked(self)
 
600
        # TODO(jelmer): This shouldn't be writing in-place, but index.lock is
 
601
        # already in use and GitFile doesn't allow overriding the lock file
 
602
        # name :(
 
603
        f = open(self.control_transport.local_abspath('index'), 'wb')
 
604
        # Note that _flush will close the file
 
605
        self._flush(f)
 
606
 
 
607
    def _flush(self, f):
 
608
        try:
 
609
            shaf = SHA1Writer(f)
 
610
            write_index_dict(shaf, self.index)
 
611
            shaf.close()
 
612
        except BaseException:
 
613
            f.abort()
 
614
            raise
 
615
        self._index_dirty = False
 
616
 
 
617
    def get_file_mtime(self, path):
 
618
        """See Tree.get_file_mtime."""
 
619
        try:
 
620
            return self._lstat(path).st_mtime
 
621
        except OSError as e:
 
622
            if e.errno == errno.ENOENT:
 
623
                raise errors.NoSuchFile(path)
 
624
            raise
 
625
 
 
626
    def is_ignored(self, filename):
 
627
        r"""Check whether the filename matches an ignore pattern.
 
628
 
 
629
        If the file is ignored, returns the pattern which caused it to
 
630
        be ignored, otherwise None.  So this can simply be used as a
 
631
        boolean if desired."""
 
632
        if getattr(self, '_global_ignoreglobster', None) is None:
 
633
            ignore_globs = set()
 
634
            ignore_globs.update(ignores.get_runtime_ignores())
 
635
            ignore_globs.update(ignores.get_user_ignores())
 
636
            self._global_ignoreglobster = globbing.ExceptionGlobster(
 
637
                ignore_globs)
 
638
        match = self._global_ignoreglobster.match(filename)
 
639
        if match is not None:
 
640
            return match
 
641
        try:
 
642
            if self.kind(filename) == 'directory':
 
643
                filename += '/'
 
644
        except errors.NoSuchFile:
 
645
            pass
 
646
        filename = filename.lstrip('/')
 
647
        ignore_manager = self._get_ignore_manager()
 
648
        ps = list(ignore_manager.find_matching(filename))
 
649
        if not ps:
 
650
            return None
 
651
        if not ps[-1].is_exclude:
 
652
            return None
 
653
        return bytes(ps[-1])
 
654
 
 
655
    def _get_ignore_manager(self):
 
656
        ignoremanager = getattr(self, '_ignoremanager', None)
 
657
        if ignoremanager is not None:
 
658
            return ignoremanager
 
659
 
 
660
        ignore_manager = IgnoreFilterManager.from_repo(self.repository._git)
 
661
        self._ignoremanager = ignore_manager
 
662
        return ignore_manager
 
663
 
 
664
    def _flush_ignore_list_cache(self):
 
665
        self._ignoremanager = None
 
666
 
 
667
    def set_last_revision(self, revid):
 
668
        if _mod_revision.is_null(revid):
 
669
            self.branch.set_last_revision_info(0, revid)
 
670
            return False
 
671
        _mod_revision.check_not_reserved_id(revid)
 
672
        try:
 
673
            self.branch.generate_revision_history(revid)
 
674
        except errors.NoSuchRevision:
 
675
            raise errors.GhostRevisionUnusableHere(revid)
 
676
 
 
677
    def _reset_data(self):
 
678
        pass
 
679
 
 
680
    def get_file_verifier(self, path, stat_value=None):
 
681
        with self.lock_read():
 
682
            (index, subpath) = self._lookup_index(path.encode('utf-8'))
 
683
            try:
 
684
                return ("GIT", index[subpath].sha)
 
685
            except KeyError:
 
686
                if self._has_dir(path):
 
687
                    return ("GIT", None)
 
688
                raise errors.NoSuchFile(path)
 
689
 
 
690
    def get_file_sha1(self, path, stat_value=None):
 
691
        with self.lock_read():
 
692
            if not self.is_versioned(path):
 
693
                raise errors.NoSuchFile(path)
 
694
            abspath = self.abspath(path)
 
695
            try:
 
696
                return osutils.sha_file_by_name(abspath)
 
697
            except OSError as e:
 
698
                if e.errno in (errno.EISDIR, errno.ENOENT):
 
699
                    return None
 
700
                raise
 
701
 
 
702
    def revision_tree(self, revid):
 
703
        return self.repository.revision_tree(revid)
 
704
 
 
705
    def _is_executable_from_path_and_stat_from_stat(self, path, stat_result):
 
706
        mode = stat_result.st_mode
 
707
        return bool(stat.S_ISREG(mode) and stat.S_IEXEC & mode)
 
708
 
 
709
    def _is_executable_from_path_and_stat_from_basis(self, path, stat_result):
 
710
        return self.basis_tree().is_executable(path)
 
711
 
 
712
    def stored_kind(self, path):
 
713
        with self.lock_read():
 
714
            encoded_path = path.encode('utf-8')
 
715
            (index, subpath) = self._lookup_index(encoded_path)
 
716
            try:
 
717
                return mode_kind(index[subpath].mode)
 
718
            except KeyError:
 
719
                # Maybe it's a directory?
 
720
                if self._has_dir(encoded_path):
 
721
                    return "directory"
 
722
                raise errors.NoSuchFile(path)
 
723
 
 
724
    def _lstat(self, path):
 
725
        return os.lstat(self.abspath(path))
 
726
 
 
727
    def _live_entry(self, path):
 
728
        encoded_path = self.abspath(path.decode('utf-8')).encode(
 
729
            osutils._fs_enc)
 
730
        return index_entry_from_path(encoded_path)
 
731
 
 
732
    def is_executable(self, path):
 
733
        with self.lock_read():
 
734
            if self._supports_executable():
 
735
                mode = self._lstat(path).st_mode
 
736
            else:
 
737
                (index, subpath) = self._lookup_index(path.encode('utf-8'))
 
738
                try:
 
739
                    mode = index[subpath].mode
 
740
                except KeyError:
 
741
                    mode = 0
 
742
            return bool(stat.S_ISREG(mode) and stat.S_IEXEC & mode)
 
743
 
 
744
    def _is_executable_from_path_and_stat(self, path, stat_result):
 
745
        if self._supports_executable():
 
746
            return self._is_executable_from_path_and_stat_from_stat(path, stat_result)
 
747
        else:
 
748
            return self._is_executable_from_path_and_stat_from_basis(
 
749
                path, stat_result)
 
750
 
 
751
    def list_files(self, include_root=False, from_dir=None, recursive=True,
 
752
                   recurse_nested=False):
 
753
        if from_dir is None or from_dir == '.':
 
754
            from_dir = u""
 
755
        dir_ids = {}
 
756
        fk_entries = {'directory': tree.TreeDirectory,
 
757
                      'file': tree.TreeFile,
 
758
                      'symlink': tree.TreeLink,
 
759
                      'tree-reference': tree.TreeReference}
 
760
        with self.lock_read():
 
761
            root_ie = self._get_dir_ie(u"", None)
 
762
            if include_root and not from_dir:
 
763
                yield "", "V", root_ie.kind, root_ie
 
764
            dir_ids[u""] = root_ie.file_id
 
765
            if recursive:
 
766
                path_iterator = sorted(
 
767
                    self._iter_files_recursive(
 
768
                        from_dir, include_dirs=True,
 
769
                        recurse_nested=recurse_nested))
 
770
            else:
 
771
                encoded_from_dir = self.abspath(from_dir).encode(
 
772
                    osutils._fs_enc)
 
773
                path_iterator = sorted(
 
774
                    [os.path.join(from_dir, name.decode(osutils._fs_enc))
 
775
                     for name in os.listdir(encoded_from_dir)
 
776
                     if not self.controldir.is_control_filename(
 
777
                         name.decode(osutils._fs_enc)) and
 
778
                     not self.mapping.is_special_file(
 
779
                         name.decode(osutils._fs_enc))])
 
780
            for path in path_iterator:
 
781
                try:
 
782
                    encoded_path = path.encode("utf-8")
 
783
                except UnicodeEncodeError:
 
784
                    raise errors.BadFilenameEncoding(
 
785
                        path, osutils._fs_enc)
 
786
                (index, index_path) = self._lookup_index(encoded_path)
 
787
                try:
 
788
                    value = index[index_path]
 
789
                except KeyError:
 
790
                    value = None
 
791
                kind = self.kind(path)
 
792
                parent, name = posixpath.split(path)
 
793
                for dir_path, dir_ie in self._add_missing_parent_ids(
 
794
                        parent, dir_ids):
 
795
                    pass
 
796
                if kind == 'tree-reference' and recurse_nested:
 
797
                    ie = self._get_dir_ie(path, self.path2id(path))
 
798
                    yield (posixpath.relpath(path, from_dir), 'V', 'directory',
 
799
                           ie)
 
800
                    continue
 
801
                if kind == 'directory':
 
802
                    if path != from_dir:
 
803
                        if self._has_dir(encoded_path):
 
804
                            ie = self._get_dir_ie(path, self.path2id(path))
 
805
                            status = "V"
 
806
                        elif self.is_ignored(path):
 
807
                            status = "I"
 
808
                            ie = fk_entries[kind]()
 
809
                        else:
 
810
                            status = "?"
 
811
                            ie = fk_entries[kind]()
 
812
                        yield (posixpath.relpath(path, from_dir), status, kind,
 
813
                               ie)
 
814
                    continue
 
815
                if value is not None:
 
816
                    ie = self._get_file_ie(name, path, value, dir_ids[parent])
 
817
                    yield (posixpath.relpath(path, from_dir), "V", ie.kind, ie)
 
818
                else:
 
819
                    ie = fk_entries[kind]()
 
820
                    yield (posixpath.relpath(path, from_dir),
 
821
                           ("I" if self.is_ignored(path) else "?"), kind, ie)
 
822
 
 
823
    def all_file_ids(self):
 
824
        raise errors.UnsupportedOperation(self.all_file_ids, self)
 
825
 
 
826
    def all_versioned_paths(self):
 
827
        with self.lock_read():
 
828
            paths = {u""}
 
829
            for path in self.index:
 
830
                if self.mapping.is_special_file(path):
 
831
                    continue
 
832
                path = path.decode("utf-8")
 
833
                paths.add(path)
 
834
                while path != "":
 
835
                    path = posixpath.dirname(path).strip("/")
 
836
                    if path in paths:
 
837
                        break
 
838
                    paths.add(path)
 
839
            return paths
 
840
 
 
841
    def iter_child_entries(self, path):
 
842
        encoded_path = path.encode('utf-8')
 
843
        with self.lock_read():
 
844
            parent_id = self.path2id(path)
 
845
            found_any = False
 
846
            for item_path, value in self.index.iteritems():
 
847
                decoded_item_path = item_path.decode('utf-8')
 
848
                if self.mapping.is_special_file(item_path):
 
849
                    continue
 
850
                if not osutils.is_inside(path, decoded_item_path):
 
851
                    continue
 
852
                found_any = True
 
853
                subpath = posixpath.relpath(decoded_item_path, path)
 
854
                if '/' in subpath:
 
855
                    dirname = subpath.split('/', 1)[0]
 
856
                    file_ie = self._get_dir_ie(
 
857
                        posixpath.join(path, dirname), parent_id)
 
858
                else:
 
859
                    (unused_parent, name) = posixpath.split(decoded_item_path)
 
860
                    file_ie = self._get_file_ie(
 
861
                        name, decoded_item_path, value, parent_id)
 
862
                yield file_ie
 
863
            if not found_any and path != u'':
 
864
                raise errors.NoSuchFile(path)
 
865
 
 
866
    def conflicts(self):
 
867
        with self.lock_read():
 
868
            conflicts = _mod_conflicts.ConflictList()
 
869
            for item_path, value in self.index.iteritems():
 
870
                if value.flags & FLAG_STAGEMASK:
 
871
                    conflicts.append(_mod_conflicts.TextConflict(
 
872
                        item_path.decode('utf-8')))
 
873
            return conflicts
 
874
 
 
875
    def set_conflicts(self, conflicts):
 
876
        by_path = set()
 
877
        for conflict in conflicts:
 
878
            if conflict.typestring in ('text conflict', 'contents conflict'):
 
879
                by_path.add(conflict.path.encode('utf-8'))
 
880
            else:
 
881
                raise errors.UnsupportedOperation(self.set_conflicts, self)
 
882
        with self.lock_tree_write():
 
883
            for path in self.index:
 
884
                self._set_conflicted(path, path in by_path)
 
885
 
 
886
    def _set_conflicted(self, path, conflicted):
 
887
        trace.mutter('change conflict: %r -> %r', path, conflicted)
 
888
        value = self.index[path]
 
889
        self._index_dirty = True
 
890
        if conflicted:
 
891
            self.index[path] = (value[:9] + (value[9] | FLAG_STAGEMASK, ))
 
892
        else:
 
893
            self.index[path] = (value[:9] + (value[9] & ~ FLAG_STAGEMASK, ))
 
894
 
 
895
    def add_conflicts(self, new_conflicts):
 
896
        with self.lock_tree_write():
 
897
            for conflict in new_conflicts:
 
898
                if conflict.typestring in ('text conflict',
 
899
                                           'contents conflict'):
 
900
                    try:
 
901
                        self._set_conflicted(
 
902
                            conflict.path.encode('utf-8'), True)
 
903
                    except KeyError:
 
904
                        raise errors.UnsupportedOperation(
 
905
                            self.add_conflicts, self)
 
906
                else:
 
907
                    raise errors.UnsupportedOperation(self.add_conflicts, self)
 
908
 
 
909
    def walkdirs(self, prefix=""):
 
910
        """Walk the directories of this tree.
 
911
 
 
912
        returns a generator which yields items in the form:
 
913
                ((curren_directory_path, fileid),
 
914
                 [(file1_path, file1_name, file1_kind, (lstat), file1_id,
 
915
                   file1_kind), ... ])
 
916
 
 
917
        This API returns a generator, which is only valid during the current
 
918
        tree transaction - within a single lock_read or lock_write duration.
 
919
 
 
920
        If the tree is not locked, it may cause an error to be raised,
 
921
        depending on the tree implementation.
 
922
        """
 
923
        from bisect import bisect_left
 
924
        import operator
 
925
        disk_top = self.abspath(prefix)
 
926
        if disk_top.endswith('/'):
 
927
            disk_top = disk_top[:-1]
 
928
        top_strip_len = len(disk_top) + 1
 
929
        inventory_iterator = self._walkdirs(prefix)
 
930
        disk_iterator = osutils.walkdirs(disk_top, prefix)
 
931
        try:
 
932
            current_disk = next(disk_iterator)
 
933
            disk_finished = False
 
934
        except OSError as e:
 
935
            if not (e.errno == errno.ENOENT
 
936
                    or (sys.platform == 'win32' and e.errno == ERROR_PATH_NOT_FOUND)):
 
937
                raise
 
938
            current_disk = None
 
939
            disk_finished = True
 
940
        try:
 
941
            current_inv = next(inventory_iterator)
 
942
            inv_finished = False
 
943
        except StopIteration:
 
944
            current_inv = None
 
945
            inv_finished = True
 
946
        while not inv_finished or not disk_finished:
 
947
            if current_disk:
 
948
                ((cur_disk_dir_relpath, cur_disk_dir_path_from_top),
 
949
                    cur_disk_dir_content) = current_disk
 
950
            else:
 
951
                ((cur_disk_dir_relpath, cur_disk_dir_path_from_top),
 
952
                    cur_disk_dir_content) = ((None, None), None)
 
953
            if not disk_finished:
 
954
                # strip out .bzr dirs
 
955
                if (cur_disk_dir_path_from_top[top_strip_len:] == ''
 
956
                        and len(cur_disk_dir_content) > 0):
 
957
                    # osutils.walkdirs can be made nicer -
 
958
                    # yield the path-from-prefix rather than the pathjoined
 
959
                    # value.
 
960
                    bzrdir_loc = bisect_left(cur_disk_dir_content,
 
961
                                             ('.git', '.git'))
 
962
                    if (bzrdir_loc < len(cur_disk_dir_content) and
 
963
                        self.controldir.is_control_filename(
 
964
                            cur_disk_dir_content[bzrdir_loc][0])):
 
965
                        # we dont yield the contents of, or, .bzr itself.
 
966
                        del cur_disk_dir_content[bzrdir_loc]
 
967
            if inv_finished:
 
968
                # everything is unknown
 
969
                direction = 1
 
970
            elif disk_finished:
 
971
                # everything is missing
 
972
                direction = -1
 
973
            else:
 
974
                direction = ((current_inv[0][0] > cur_disk_dir_relpath)
 
975
                             - (current_inv[0][0] < cur_disk_dir_relpath))
 
976
            if direction > 0:
 
977
                # disk is before inventory - unknown
 
978
                dirblock = [(relpath, basename, kind, stat, None, None) for
 
979
                            relpath, basename, kind, stat, top_path in
 
980
                            cur_disk_dir_content]
 
981
                yield (cur_disk_dir_relpath, None), dirblock
 
982
                try:
 
983
                    current_disk = next(disk_iterator)
 
984
                except StopIteration:
 
985
                    disk_finished = True
 
986
            elif direction < 0:
 
987
                # inventory is before disk - missing.
 
988
                dirblock = [(relpath, basename, 'unknown', None, fileid, kind)
 
989
                            for relpath, basename, dkind, stat, fileid, kind in
 
990
                            current_inv[1]]
 
991
                yield (current_inv[0][0], current_inv[0][1]), dirblock
 
992
                try:
 
993
                    current_inv = next(inventory_iterator)
 
994
                except StopIteration:
 
995
                    inv_finished = True
 
996
            else:
 
997
                # versioned present directory
 
998
                # merge the inventory and disk data together
 
999
                dirblock = []
 
1000
                for relpath, subiterator in itertools.groupby(sorted(
 
1001
                        current_inv[1] + cur_disk_dir_content,
 
1002
                        key=operator.itemgetter(0)), operator.itemgetter(1)):
 
1003
                    path_elements = list(subiterator)
 
1004
                    if len(path_elements) == 2:
 
1005
                        inv_row, disk_row = path_elements
 
1006
                        # versioned, present file
 
1007
                        dirblock.append((inv_row[0],
 
1008
                                         inv_row[1], disk_row[2],
 
1009
                                         disk_row[3], inv_row[4],
 
1010
                                         inv_row[5]))
 
1011
                    elif len(path_elements[0]) == 5:
 
1012
                        # unknown disk file
 
1013
                        dirblock.append(
 
1014
                            (path_elements[0][0], path_elements[0][1],
 
1015
                                path_elements[0][2], path_elements[0][3],
 
1016
                                None, None))
 
1017
                    elif len(path_elements[0]) == 6:
 
1018
                        # versioned, absent file.
 
1019
                        dirblock.append(
 
1020
                            (path_elements[0][0], path_elements[0][1],
 
1021
                                'unknown', None, path_elements[0][4],
 
1022
                                path_elements[0][5]))
 
1023
                    else:
 
1024
                        raise NotImplementedError('unreachable code')
 
1025
                yield current_inv[0], dirblock
 
1026
                try:
 
1027
                    current_inv = next(inventory_iterator)
 
1028
                except StopIteration:
 
1029
                    inv_finished = True
 
1030
                try:
 
1031
                    current_disk = next(disk_iterator)
 
1032
                except StopIteration:
 
1033
                    disk_finished = True
 
1034
 
 
1035
    def _walkdirs(self, prefix=u""):
 
1036
        if prefix != u"":
 
1037
            prefix += u"/"
 
1038
        prefix = prefix.encode('utf-8')
 
1039
        per_dir = defaultdict(set)
 
1040
        if prefix == b"":
 
1041
            per_dir[(u'', self.path2id(''))] = set()
 
1042
 
 
1043
        def add_entry(path, kind):
 
1044
            if path == b'' or not path.startswith(prefix):
 
1045
                return
 
1046
            (dirname, child_name) = posixpath.split(path)
 
1047
            add_entry(dirname, 'directory')
 
1048
            dirname = dirname.decode("utf-8")
 
1049
            dir_file_id = self.path2id(dirname)
 
1050
            if not isinstance(value, tuple) or len(value) != 10:
 
1051
                raise ValueError(value)
 
1052
            per_dir[(dirname, dir_file_id)].add(
 
1053
                (path.decode("utf-8"), child_name.decode("utf-8"),
 
1054
                 kind, None,
 
1055
                 self.path2id(path.decode("utf-8")),
 
1056
                 kind))
 
1057
        with self.lock_read():
 
1058
            for path, value in self.index.iteritems():
 
1059
                if self.mapping.is_special_file(path):
 
1060
                    continue
 
1061
                if not path.startswith(prefix):
 
1062
                    continue
 
1063
                add_entry(path, mode_kind(value.mode))
 
1064
        return ((k, sorted(v)) for (k, v) in sorted(per_dir.items()))
 
1065
 
 
1066
    def get_shelf_manager(self):
 
1067
        raise workingtree.ShelvingUnsupported()
 
1068
 
 
1069
    def store_uncommitted(self):
 
1070
        raise errors.StoringUncommittedNotSupported(self)
 
1071
 
 
1072
    def apply_inventory_delta(self, changes):
 
1073
        for (old_path, new_path, file_id, ie) in changes:
 
1074
            if old_path is not None:
 
1075
                (index, old_subpath) = self._lookup_index(
 
1076
                    old_path.encode('utf-8'))
 
1077
                try:
 
1078
                    self._index_del_entry(index, old_subpath)
 
1079
                except KeyError:
 
1080
                    pass
 
1081
                else:
 
1082
                    self._versioned_dirs = None
 
1083
            if new_path is not None and ie.kind != 'directory':
 
1084
                if ie.kind == 'tree-reference':
 
1085
                    self._index_add_entry(
 
1086
                        new_path, ie.kind,
 
1087
                        reference_revision=ie.reference_revision)
 
1088
                else:
 
1089
                    self._index_add_entry(new_path, ie.kind)
 
1090
        self.flush()
 
1091
 
 
1092
    def annotate_iter(self, path,
 
1093
                      default_revision=_mod_revision.CURRENT_REVISION):
 
1094
        """See Tree.annotate_iter
 
1095
 
 
1096
        This implementation will use the basis tree implementation if possible.
 
1097
        Lines not in the basis are attributed to CURRENT_REVISION
 
1098
 
 
1099
        If there are pending merges, lines added by those merges will be
 
1100
        incorrectly attributed to CURRENT_REVISION (but after committing, the
 
1101
        attribution will be correct).
 
1102
        """
 
1103
        with self.lock_read():
 
1104
            maybe_file_parent_keys = []
 
1105
            for parent_id in self.get_parent_ids():
 
1106
                try:
 
1107
                    parent_tree = self.revision_tree(parent_id)
 
1108
                except errors.NoSuchRevisionInTree:
 
1109
                    parent_tree = self.branch.repository.revision_tree(
 
1110
                        parent_id)
 
1111
                with parent_tree.lock_read():
 
1112
                    # TODO(jelmer): Use rename/copy tracker to find path name
 
1113
                    # in parent
 
1114
                    parent_path = path
 
1115
                    try:
 
1116
                        kind = parent_tree.kind(parent_path)
 
1117
                    except errors.NoSuchFile:
 
1118
                        continue
 
1119
                    if kind != 'file':
 
1120
                        # Note: this is slightly unnecessary, because symlinks
 
1121
                        # and directories have a "text" which is the empty
 
1122
                        # text, and we know that won't mess up annotations. But
 
1123
                        # it seems cleaner
 
1124
                        continue
 
1125
                    parent_text_key = (
 
1126
                        parent_path,
 
1127
                        parent_tree.get_file_revision(parent_path))
 
1128
                    if parent_text_key not in maybe_file_parent_keys:
 
1129
                        maybe_file_parent_keys.append(parent_text_key)
 
1130
            # Now we have the parents of this content
 
1131
            from breezy.annotate import Annotator
 
1132
            from .annotate import AnnotateProvider
 
1133
            annotate_provider = AnnotateProvider(
 
1134
                self.branch.repository._file_change_scanner)
 
1135
            annotator = Annotator(annotate_provider)
 
1136
 
 
1137
            from breezy.graph import Graph
 
1138
            graph = Graph(annotate_provider)
 
1139
            heads = graph.heads(maybe_file_parent_keys)
 
1140
            file_parent_keys = []
 
1141
            for key in maybe_file_parent_keys:
 
1142
                if key in heads:
 
1143
                    file_parent_keys.append(key)
 
1144
 
 
1145
            text = self.get_file_text(path)
 
1146
            this_key = (path, default_revision)
 
1147
            annotator.add_special_text(this_key, file_parent_keys, text)
 
1148
            annotations = [(key[-1], line)
 
1149
                           for key, line in annotator.annotate_flat(this_key)]
 
1150
            return annotations
 
1151
 
 
1152
    def _rename_one(self, from_rel, to_rel):
 
1153
        os.rename(self.abspath(from_rel), self.abspath(to_rel))
 
1154
 
 
1155
    def _build_checkout_with_index(self):
 
1156
        build_index_from_tree(
 
1157
            self.user_transport.local_abspath('.'),
 
1158
            self.control_transport.local_abspath("index"),
 
1159
            self.store,
 
1160
            None
 
1161
            if self.branch.head is None
 
1162
            else self.store[self.branch.head].tree,
 
1163
            honor_filemode=self._supports_executable())
 
1164
 
 
1165
    def reset_state(self, revision_ids=None):
 
1166
        """Reset the state of the working tree.
 
1167
 
 
1168
        This does a hard-reset to a last-known-good state. This is a way to
 
1169
        fix if something got corrupted (like the .git/index file)
 
1170
        """
 
1171
        with self.lock_tree_write():
 
1172
            if revision_ids is not None:
 
1173
                self.set_parent_ids(revision_ids)
 
1174
            self.index.clear()
 
1175
            self._index_dirty = True
 
1176
            if self.branch.head is not None:
 
1177
                for entry in self.store.iter_tree_contents(
 
1178
                        self.store[self.branch.head].tree):
 
1179
                    if not validate_path(entry.path):
 
1180
                        continue
 
1181
 
 
1182
                    if S_ISGITLINK(entry.mode):
 
1183
                        pass  # TODO(jelmer): record and return submodule paths
 
1184
                    else:
 
1185
                        # Let's at least try to use the working tree file:
 
1186
                        try:
 
1187
                            st = self._lstat(self.abspath(
 
1188
                                entry.path.decode('utf-8')))
 
1189
                        except OSError:
 
1190
                            # But if it doesn't exist, we'll make something up.
 
1191
                            obj = self.store[entry.sha]
 
1192
                            st = os.stat_result((entry.mode, 0, 0, 0,
 
1193
                                                 0, 0, len(
 
1194
                                                     obj.as_raw_string()), 0,
 
1195
                                                 0, 0))
 
1196
                    (index, subpath) = self._lookup_index(entry.path)
 
1197
                    index[subpath] = index_entry_from_stat(st, entry.sha, 0)
 
1198
 
 
1199
    def _update_git_tree(self, old_revision, new_revision, change_reporter=None,
 
1200
                         show_base=False):
 
1201
        basis_tree = self.revision_tree(old_revision)
 
1202
        if new_revision != old_revision:
 
1203
            with basis_tree.lock_read():
 
1204
                new_basis_tree = self.branch.basis_tree()
 
1205
                merge.merge_inner(
 
1206
                    self.branch,
 
1207
                    new_basis_tree,
 
1208
                    basis_tree,
 
1209
                    this_tree=self,
 
1210
                    change_reporter=change_reporter,
 
1211
                    show_base=show_base)
 
1212
 
 
1213
    def pull(self, source, overwrite=False, stop_revision=None,
 
1214
             change_reporter=None, possible_transports=None, local=False,
 
1215
             show_base=False):
 
1216
        with self.lock_write(), source.lock_read():
 
1217
            old_revision = self.branch.last_revision()
 
1218
            count = self.branch.pull(source, overwrite, stop_revision,
 
1219
                                     possible_transports=possible_transports,
 
1220
                                     local=local)
 
1221
            self._update_git_tree(
 
1222
                old_revision=old_revision,
 
1223
                new_revision=self.branch.last_revision(),
 
1224
                change_reporter=change_reporter,
 
1225
                show_base=show_base)
 
1226
            return count
 
1227
 
 
1228
    def add_reference(self, sub_tree):
 
1229
        """Add a TreeReference to the tree, pointing at sub_tree.
 
1230
 
 
1231
        :param sub_tree: subtree to add.
 
1232
        """
 
1233
        with self.lock_tree_write():
 
1234
            try:
 
1235
                sub_tree_path = self.relpath(sub_tree.basedir)
 
1236
            except errors.PathNotChild:
 
1237
                raise BadReferenceTarget(
 
1238
                    self, sub_tree, 'Target not inside tree.')
 
1239
 
 
1240
            self._add([sub_tree_path], [None], ['tree-reference'])
 
1241
 
 
1242
    def _read_submodule_head(self, path):
 
1243
        return read_submodule_head(self.abspath(path))
 
1244
 
 
1245
    def get_reference_revision(self, path, branch=None):
 
1246
        hexsha = self._read_submodule_head(path)
 
1247
        if hexsha is None:
 
1248
            return _mod_revision.NULL_REVISION
 
1249
        return self.branch.lookup_foreign_revision_id(hexsha)
 
1250
 
 
1251
    def get_nested_tree(self, path):
 
1252
        return workingtree.WorkingTree.open(self.abspath(path))
 
1253
 
 
1254
    def _directory_is_tree_reference(self, relpath):
 
1255
        # as a special case, if a directory contains control files then
 
1256
        # it's a tree reference, except that the root of the tree is not
 
1257
        return relpath and osutils.lexists(self.abspath(relpath) + u"/.git")
 
1258
 
 
1259
    def extract(self, sub_path, format=None):
 
1260
        """Extract a subtree from this tree.
 
1261
 
 
1262
        A new branch will be created, relative to the path for this tree.
 
1263
        """
 
1264
        def mkdirs(path):
 
1265
            segments = osutils.splitpath(path)
 
1266
            transport = self.branch.controldir.root_transport
 
1267
            for name in segments:
 
1268
                transport = transport.clone(name)
 
1269
                transport.ensure_base()
 
1270
            return transport
 
1271
 
 
1272
        with self.lock_tree_write():
 
1273
            self.flush()
 
1274
            branch_transport = mkdirs(sub_path)
 
1275
            if format is None:
 
1276
                format = self.controldir.cloning_metadir()
 
1277
            branch_transport.ensure_base()
 
1278
            branch_bzrdir = format.initialize_on_transport(branch_transport)
 
1279
            try:
 
1280
                repo = branch_bzrdir.find_repository()
 
1281
            except errors.NoRepositoryPresent:
 
1282
                repo = branch_bzrdir.create_repository()
 
1283
            if not repo.supports_rich_root():
 
1284
                raise errors.RootNotRich()
 
1285
            new_branch = branch_bzrdir.create_branch()
 
1286
            new_branch.pull(self.branch)
 
1287
            for parent_id in self.get_parent_ids():
 
1288
                new_branch.fetch(self.branch, parent_id)
 
1289
            tree_transport = self.controldir.root_transport.clone(sub_path)
 
1290
            if tree_transport.base != branch_transport.base:
 
1291
                tree_bzrdir = format.initialize_on_transport(tree_transport)
 
1292
                tree_bzrdir.set_branch_reference(new_branch)
 
1293
            else:
 
1294
                tree_bzrdir = branch_bzrdir
 
1295
            wt = tree_bzrdir.create_workingtree(_mod_revision.NULL_REVISION)
 
1296
            wt.set_parent_ids(self.get_parent_ids())
 
1297
            return wt
 
1298
 
 
1299
    def _get_check_refs(self):
 
1300
        """Return the references needed to perform a check of this tree.
 
1301
 
 
1302
        The default implementation returns no refs, and is only suitable for
 
1303
        trees that have no local caching and can commit on ghosts at any time.
 
1304
 
 
1305
        :seealso: breezy.check for details about check_refs.
 
1306
        """
 
1307
        return []
 
1308
 
 
1309
    def copy_content_into(self, tree, revision_id=None):
 
1310
        """Copy the current content and user files of this tree into tree."""
 
1311
        with self.lock_read():
 
1312
            if revision_id is None:
 
1313
                merge.transform_tree(tree, self)
 
1314
            else:
 
1315
                # TODO now merge from tree.last_revision to revision (to
 
1316
                # preserve user local changes)
 
1317
                try:
 
1318
                    other_tree = self.revision_tree(revision_id)
 
1319
                except errors.NoSuchRevision:
 
1320
                    other_tree = self.branch.repository.revision_tree(
 
1321
                        revision_id)
 
1322
 
 
1323
                merge.transform_tree(tree, other_tree)
 
1324
                if revision_id == _mod_revision.NULL_REVISION:
 
1325
                    new_parents = []
 
1326
                else:
 
1327
                    new_parents = [revision_id]
 
1328
                tree.set_parent_ids(new_parents)
 
1329
 
 
1330
    def reference_parent(self, path, possible_transports=None):
 
1331
        remote_url = self.get_reference_info(path)
 
1332
        if remote_url is None:
 
1333
            trace.warning("Unable to find submodule info for %s", path)
 
1334
            return None
 
1335
        return _mod_branch.Branch.open(remote_url, possible_transports=possible_transports)
 
1336
 
 
1337
    def get_reference_info(self, path):
 
1338
        submodule_info = self._submodule_info()
 
1339
        info = submodule_info.get(path.encode('utf-8'))
 
1340
        if info is None:
 
1341
            return None
 
1342
        return info[0].decode('utf-8')
 
1343
 
 
1344
    def set_reference_info(self, tree_path, branch_location):
 
1345
        path = self.abspath('.gitmodules')
 
1346
        try:
 
1347
            config = GitConfigFile.from_path(path)
 
1348
        except EnvironmentError as e:
 
1349
            if e.errno == errno.ENOENT:
 
1350
                config = GitConfigFile()
 
1351
            else:
 
1352
                raise
 
1353
        section = (b'submodule', tree_path.encode('utf-8'))
 
1354
        if branch_location is None:
 
1355
            try:
 
1356
                del config[section]
 
1357
            except KeyError:
 
1358
                pass
 
1359
        else:
 
1360
            branch_location = urlutils.join(
 
1361
                urlutils.strip_segment_parameters(self.branch.user_url),
 
1362
                branch_location)
 
1363
            config.set(
 
1364
                section,
 
1365
                b'path', tree_path.encode('utf-8'))
 
1366
            config.set(
 
1367
                section,
 
1368
                b'url', branch_location.encode('utf-8'))
 
1369
        config.write_to_path(path)
 
1370
        self.add('.gitmodules')
76
1371
 
77
1372
 
78
1373
class GitWorkingTreeFormat(workingtree.WorkingTreeFormat):
79
1374
 
 
1375
    _tree_class = GitWorkingTree
 
1376
 
 
1377
    supports_versioned_directories = False
 
1378
 
 
1379
    supports_setting_file_ids = False
 
1380
 
 
1381
    supports_store_uncommitted = False
 
1382
 
 
1383
    supports_leftmost_parent_id_as_ghost = False
 
1384
 
 
1385
    supports_righthand_parent_id_as_ghost = False
 
1386
 
 
1387
    requires_normalized_unicode_filenames = True
 
1388
 
 
1389
    supports_merge_modified = False
 
1390
 
 
1391
    ignore_filename = ".gitignore"
 
1392
 
 
1393
    @property
 
1394
    def _matchingcontroldir(self):
 
1395
        from .dir import LocalGitControlDirFormat
 
1396
        return LocalGitControlDirFormat()
 
1397
 
80
1398
    def get_format_description(self):
81
1399
        return "Git Working Tree"
 
1400
 
 
1401
    def initialize(self, a_controldir, revision_id=None, from_branch=None,
 
1402
                   accelerator_tree=None, hardlink=False):
 
1403
        """See WorkingTreeFormat.initialize()."""
 
1404
        if not isinstance(a_controldir, LocalGitDir):
 
1405
            raise errors.IncompatibleFormat(self, a_controldir)
 
1406
        branch = a_controldir.open_branch(nascent_ok=True)
 
1407
        if revision_id is not None:
 
1408
            branch.set_last_revision(revision_id)
 
1409
        wt = GitWorkingTree(
 
1410
            a_controldir, a_controldir.open_repository(), branch)
 
1411
        for hook in MutableTree.hooks['post_build_tree']:
 
1412
            hook(wt)
 
1413
        return wt