~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/transform.py

  • Committer: John Arbash Meinel
  • Date: 2008-08-18 22:34:21 UTC
  • mto: (3606.5.6 1.6)
  • mto: This revision was merged to the branch mainline in revision 3641.
  • Revision ID: john@arbash-meinel.com-20080818223421-todjny24vj4faj4t
Add tests for the fetching behavior.

The proper parameter passed is 'unordered' add an assert for it, and
fix callers that were passing 'unsorted' instead.
Add tests that we make the right get_record_stream call based
on the value of _fetch_uses_deltas.
Fix the fetch request for signatures.

Show diffs side-by-side

added added

removed removed

Lines of Context:
1
 
# Copyright (C) 2006-2010 Canonical Ltd
 
1
# Copyright (C) 2006, 2007, 2008 Canonical Ltd
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
16
 
17
17
import os
18
18
import errno
19
19
from stat import S_ISREG, S_IEXEC
20
 
import time
 
20
import tempfile
21
21
 
22
22
from bzrlib.lazy_import import lazy_import
23
23
lazy_import(globals(), """
24
24
from bzrlib import (
25
25
    annotate,
26
 
    bencode,
27
26
    bzrdir,
28
27
    delta,
29
28
    errors,
30
29
    inventory,
31
 
    multiparent,
32
30
    osutils,
33
31
    revision as _mod_revision,
34
 
    ui,
35
32
    )
36
33
""")
37
34
from bzrlib.errors import (DuplicateKey, MalformedTransform, NoSuchFile,
38
 
                           ReusingTransform, CantMoveRoot,
 
35
                           ReusingTransform, NotVersionedError, CantMoveRoot,
39
36
                           ExistingLimbo, ImmortalLimbo, NoFinalPath,
40
37
                           UnableCreateSymlink)
41
 
from bzrlib.filters import filtered_output_bytes, ContentFilterContext
42
38
from bzrlib.inventory import InventoryEntry
43
39
from bzrlib.osutils import (
44
40
    delete_any,
46
42
    has_symlinks,
47
43
    lexists,
48
44
    pathjoin,
49
 
    sha_file,
50
45
    splitpath,
51
46
    supports_executable,
52
47
)
53
 
from bzrlib.progress import ProgressPhase
 
48
from bzrlib.progress import DummyProgress, ProgressPhase
54
49
from bzrlib.symbol_versioning import (
55
50
        deprecated_function,
56
 
        deprecated_in,
57
51
        )
58
52
from bzrlib.trace import mutter, warning
59
53
from bzrlib import tree
78
72
 
79
73
 
80
74
class TreeTransformBase(object):
81
 
    """The base class for TreeTransform and its kin."""
 
75
    """The base class for TreeTransform and TreeTransformBase"""
82
76
 
83
 
    def __init__(self, tree, pb=None,
 
77
    def __init__(self, tree, limbodir, pb=DummyProgress(),
84
78
                 case_sensitive=True):
85
79
        """Constructor.
86
80
 
87
81
        :param tree: The tree that will be transformed, but not necessarily
88
82
            the output tree.
89
 
        :param pb: ignored
 
83
        :param limbodir: A directory where new files can be stored until
 
84
            they are installed in their proper places
 
85
        :param pb: A ProgressBar indicating how much progress is being made
90
86
        :param case_sensitive: If True, the target of the transform is
91
87
            case sensitive, not just case preserving.
92
88
        """
93
89
        object.__init__(self)
94
90
        self._tree = tree
 
91
        self._limbodir = limbodir
 
92
        self._deletiondir = None
95
93
        self._id_number = 0
96
94
        # mapping of trans_id -> new basename
97
95
        self._new_name = {}
99
97
        self._new_parent = {}
100
98
        # mapping of trans_id with new contents -> new file_kind
101
99
        self._new_contents = {}
 
100
        # A mapping of transform ids to their limbo filename
 
101
        self._limbo_files = {}
 
102
        # A mapping of transform ids to a set of the transform ids of children
 
103
        # that their limbo directory has
 
104
        self._limbo_children = {}
 
105
        # Map transform ids to maps of child filename to child transform id
 
106
        self._limbo_children_names = {}
 
107
        # List of transform ids that need to be renamed from limbo into place
 
108
        self._needs_rename = set()
102
109
        # Set of trans_ids whose contents will be removed
103
110
        self._removed_contents = set()
104
111
        # Mapping of trans_id -> new execute-bit value
111
118
        self._non_present_ids = {}
112
119
        # Mapping of new file_id -> trans_id
113
120
        self._r_new_id = {}
114
 
        # Set of trans_ids that will be removed
 
121
        # Set of file_ids that will be removed
115
122
        self._removed_id = set()
116
123
        # Mapping of path in old tree -> trans_id
117
124
        self._tree_path_ids = {}
118
125
        # Mapping trans_id -> path in old tree
119
126
        self._tree_id_paths = {}
 
127
        # Cache of realpath results, to speed up canonical_path
 
128
        self._realpaths = {}
 
129
        # Cache of relpath results, to speed up canonical_path
 
130
        self._relpaths = {}
120
131
        # The trans_id that will be used as the tree root
121
 
        root_id = tree.get_root_id()
122
 
        if root_id is not None:
123
 
            self._new_root = self.trans_id_tree_file_id(root_id)
124
 
        else:
125
 
            self._new_root = None
 
132
        self._new_root = self.trans_id_tree_file_id(tree.get_root_id())
126
133
        # Indictor of whether the transform has been applied
127
134
        self._done = False
128
135
        # A progress bar
132
139
        # A counter of how many files have been renamed
133
140
        self.rename_count = 0
134
141
 
135
 
    def finalize(self):
136
 
        """Release the working tree lock, if held.
137
 
 
138
 
        This is required if apply has not been invoked, but can be invoked
139
 
        even after apply.
140
 
        """
141
 
        if self._tree is None:
142
 
            return
143
 
        self._tree.unlock()
144
 
        self._tree = None
145
 
 
146
142
    def __get_root(self):
147
143
        return self._new_root
148
144
 
149
145
    root = property(__get_root)
150
146
 
 
147
    def finalize(self):
 
148
        """Release the working tree lock, if held, clean up limbo dir.
 
149
 
 
150
        This is required if apply has not been invoked, but can be invoked
 
151
        even after apply.
 
152
        """
 
153
        if self._tree is None:
 
154
            return
 
155
        try:
 
156
            entries = [(self._limbo_name(t), t, k) for t, k in
 
157
                       self._new_contents.iteritems()]
 
158
            entries.sort(reverse=True)
 
159
            for path, trans_id, kind in entries:
 
160
                if kind == "directory":
 
161
                    os.rmdir(path)
 
162
                else:
 
163
                    os.unlink(path)
 
164
            try:
 
165
                os.rmdir(self._limbodir)
 
166
            except OSError:
 
167
                # We don't especially care *why* the dir is immortal.
 
168
                raise ImmortalLimbo(self._limbodir)
 
169
            try:
 
170
                if self._deletiondir is not None:
 
171
                    os.rmdir(self._deletiondir)
 
172
            except OSError:
 
173
                raise errors.ImmortalPendingDeletion(self._deletiondir)
 
174
        finally:
 
175
            self._tree.unlock()
 
176
            self._tree = None
 
177
 
151
178
    def _assign_id(self):
152
179
        """Produce a new tranform id"""
153
180
        new_id = "new-%s" % self._id_number
163
190
 
164
191
    def adjust_path(self, name, parent, trans_id):
165
192
        """Change the path that is assigned to a transaction id."""
166
 
        if parent is None:
167
 
            raise ValueError("Parent trans-id may not be None")
168
193
        if trans_id == self._new_root:
169
194
            raise CantMoveRoot
 
195
        previous_parent = self._new_parent.get(trans_id)
 
196
        previous_name = self._new_name.get(trans_id)
170
197
        self._new_name[trans_id] = name
171
198
        self._new_parent[trans_id] = parent
 
199
        if (trans_id in self._limbo_files and
 
200
            trans_id not in self._needs_rename):
 
201
            self._rename_in_limbo([trans_id])
 
202
            self._limbo_children[previous_parent].remove(trans_id)
 
203
            del self._limbo_children_names[previous_parent][previous_name]
 
204
 
 
205
    def _rename_in_limbo(self, trans_ids):
 
206
        """Fix limbo names so that the right final path is produced.
 
207
 
 
208
        This means we outsmarted ourselves-- we tried to avoid renaming
 
209
        these files later by creating them with their final names in their
 
210
        final parents.  But now the previous name or parent is no longer
 
211
        suitable, so we have to rename them.
 
212
 
 
213
        Even for trans_ids that have no new contents, we must remove their
 
214
        entries from _limbo_files, because they are now stale.
 
215
        """
 
216
        for trans_id in trans_ids:
 
217
            old_path = self._limbo_files.pop(trans_id)
 
218
            if trans_id not in self._new_contents:
 
219
                continue
 
220
            new_path = self._limbo_name(trans_id)
 
221
            os.rename(old_path, new_path)
172
222
 
173
223
    def adjust_root_path(self, name, parent):
174
224
        """Emulate moving the root by moving all children, instead.
175
 
 
 
225
        
176
226
        We do this by undoing the association of root's transaction id with the
177
227
        current tree.  This allows us to create a new directory with that
178
 
        transaction id.  We unversion the root directory and version the
 
228
        transaction id.  We unversion the root directory and version the 
179
229
        physically new directory, and hope someone versions the tree root
180
230
        later.
181
231
        """
184
234
        # force moving all children of root
185
235
        for child_id in self.iter_tree_children(old_root):
186
236
            if child_id != parent:
187
 
                self.adjust_path(self.final_name(child_id),
 
237
                self.adjust_path(self.final_name(child_id), 
188
238
                                 self.final_parent(child_id), child_id)
189
239
            file_id = self.final_file_id(child_id)
190
240
            if file_id is not None:
191
241
                self.unversion_file(child_id)
192
242
            self.version_file(file_id, child_id)
193
 
 
 
243
        
194
244
        # the physical root needs a new transaction id
195
245
        self._tree_path_ids.pop("")
196
246
        self._tree_id_paths.pop(old_root)
202
252
        self.version_file(old_root_file_id, old_root)
203
253
        self.unversion_file(self._new_root)
204
254
 
205
 
    def fixup_new_roots(self):
206
 
        """Reinterpret requests to change the root directory
207
 
 
208
 
        Instead of creating a root directory, or moving an existing directory,
209
 
        all the attributes and children of the new root are applied to the
210
 
        existing root directory.
211
 
 
212
 
        This means that the old root trans-id becomes obsolete, so it is
213
 
        recommended only to invoke this after the root trans-id has become
214
 
        irrelevant.
215
 
        """
216
 
        new_roots = [k for k, v in self._new_parent.iteritems() if v is
217
 
                     ROOT_PARENT]
218
 
        if len(new_roots) < 1:
219
 
            return
220
 
        if len(new_roots) != 1:
221
 
            raise ValueError('A tree cannot have two roots!')
222
 
        if self._new_root is None:
223
 
            self._new_root = new_roots[0]
224
 
            return
225
 
        old_new_root = new_roots[0]
226
 
        # TODO: What to do if a old_new_root is present, but self._new_root is
227
 
        #       not listed as being removed? This code explicitly unversions
228
 
        #       the old root and versions it with the new file_id. Though that
229
 
        #       seems like an incomplete delta
230
 
 
231
 
        # unversion the new root's directory.
232
 
        file_id = self.final_file_id(old_new_root)
233
 
        if old_new_root in self._new_id:
234
 
            self.cancel_versioning(old_new_root)
235
 
        else:
236
 
            self.unversion_file(old_new_root)
237
 
        # if, at this stage, root still has an old file_id, zap it so we can
238
 
        # stick a new one in.
239
 
        if (self.tree_file_id(self._new_root) is not None and
240
 
            self._new_root not in self._removed_id):
241
 
            self.unversion_file(self._new_root)
242
 
        self.version_file(file_id, self._new_root)
243
 
 
244
 
        # Now move children of new root into old root directory.
245
 
        # Ensure all children are registered with the transaction, but don't
246
 
        # use directly-- some tree children have new parents
247
 
        list(self.iter_tree_children(old_new_root))
248
 
        # Move all children of new root into old root directory.
249
 
        for child in self.by_parent().get(old_new_root, []):
250
 
            self.adjust_path(self.final_name(child), self._new_root, child)
251
 
 
252
 
        # Ensure old_new_root has no directory.
253
 
        if old_new_root in self._new_contents:
254
 
            self.cancel_creation(old_new_root)
255
 
        else:
256
 
            self.delete_contents(old_new_root)
257
 
 
258
 
        # prevent deletion of root directory.
259
 
        if self._new_root in self._removed_contents:
260
 
            self.cancel_deletion(self._new_root)
261
 
 
262
 
        # destroy path info for old_new_root.
263
 
        del self._new_parent[old_new_root]
264
 
        del self._new_name[old_new_root]
265
 
 
266
255
    def trans_id_tree_file_id(self, inventory_id):
267
256
        """Determine the transaction id of a working tree file.
268
 
 
 
257
        
269
258
        This reflects only files that already exist, not ones that will be
270
259
        added by transactions.
271
260
        """
272
 
        if inventory_id is None:
273
 
            raise ValueError('None is not a valid file id')
274
261
        path = self._tree.id2path(inventory_id)
275
262
        return self.trans_id_tree_path(path)
276
263
 
280
267
        a transaction has been unversioned, it is deliberately still returned.
281
268
        (this will likely lead to an unversioned parent conflict.)
282
269
        """
283
 
        if file_id is None:
284
 
            raise ValueError('None is not a valid file id')
285
270
        if file_id in self._r_new_id and self._r_new_id[file_id] is not None:
286
271
            return self._r_new_id[file_id]
287
 
        else:
288
 
            try:
289
 
                self._tree.iter_entries_by_dir([file_id]).next()
290
 
            except StopIteration:
291
 
                if file_id in self._non_present_ids:
292
 
                    return self._non_present_ids[file_id]
293
 
                else:
294
 
                    trans_id = self._assign_id()
295
 
                    self._non_present_ids[file_id] = trans_id
296
 
                    return trans_id
297
 
            else:
298
 
                return self.trans_id_tree_file_id(file_id)
 
272
        elif file_id in self._tree.inventory:
 
273
            return self.trans_id_tree_file_id(file_id)
 
274
        elif file_id in self._non_present_ids:
 
275
            return self._non_present_ids[file_id]
 
276
        else:
 
277
            trans_id = self._assign_id()
 
278
            self._non_present_ids[file_id] = trans_id
 
279
            return trans_id
 
280
 
 
281
    def canonical_path(self, path):
 
282
        """Get the canonical tree-relative path"""
 
283
        # don't follow final symlinks
 
284
        abs = self._tree.abspath(path)
 
285
        if abs in self._relpaths:
 
286
            return self._relpaths[abs]
 
287
        dirname, basename = os.path.split(abs)
 
288
        if dirname not in self._realpaths:
 
289
            self._realpaths[dirname] = os.path.realpath(dirname)
 
290
        dirname = self._realpaths[dirname]
 
291
        abs = pathjoin(dirname, basename)
 
292
        if dirname in self._relpaths:
 
293
            relpath = pathjoin(self._relpaths[dirname], basename)
 
294
            relpath = relpath.rstrip('/\\')
 
295
        else:
 
296
            relpath = self._tree.relpath(abs)
 
297
        self._relpaths[abs] = relpath
 
298
        return relpath
299
299
 
300
300
    def trans_id_tree_path(self, path):
301
301
        """Determine (and maybe set) the transaction ID for a tree path."""
312
312
            return ROOT_PARENT
313
313
        return self.trans_id_tree_path(os.path.dirname(path))
314
314
 
 
315
    def create_file(self, contents, trans_id, mode_id=None):
 
316
        """Schedule creation of a new file.
 
317
 
 
318
        See also new_file.
 
319
        
 
320
        Contents is an iterator of strings, all of which will be written
 
321
        to the target destination.
 
322
 
 
323
        New file takes the permissions of any existing file with that id,
 
324
        unless mode_id is specified.
 
325
        """
 
326
        name = self._limbo_name(trans_id)
 
327
        f = open(name, 'wb')
 
328
        try:
 
329
            try:
 
330
                unique_add(self._new_contents, trans_id, 'file')
 
331
            except:
 
332
                # Clean up the file, it never got registered so
 
333
                # TreeTransform.finalize() won't clean it up.
 
334
                f.close()
 
335
                os.unlink(name)
 
336
                raise
 
337
 
 
338
            f.writelines(contents)
 
339
        finally:
 
340
            f.close()
 
341
        self._set_mode(trans_id, mode_id, S_ISREG)
 
342
 
 
343
    def _set_mode(self, trans_id, mode_id, typefunc):
 
344
        """Set the mode of new file contents.
 
345
        The mode_id is the existing file to get the mode from (often the same
 
346
        as trans_id).  The operation is only performed if there's a mode match
 
347
        according to typefunc.
 
348
        """
 
349
        if mode_id is None:
 
350
            mode_id = trans_id
 
351
        try:
 
352
            old_path = self._tree_id_paths[mode_id]
 
353
        except KeyError:
 
354
            return
 
355
        try:
 
356
            mode = os.stat(self._tree.abspath(old_path)).st_mode
 
357
        except OSError, e:
 
358
            if e.errno in (errno.ENOENT, errno.ENOTDIR):
 
359
                # Either old_path doesn't exist, or the parent of the
 
360
                # target is not a directory (but will be one eventually)
 
361
                # Either way, we know it doesn't exist *right now*
 
362
                # See also bug #248448
 
363
                return
 
364
            else:
 
365
                raise
 
366
        if typefunc(mode):
 
367
            os.chmod(self._limbo_name(trans_id), mode)
 
368
 
 
369
    def create_hardlink(self, path, trans_id):
 
370
        """Schedule creation of a hard link"""
 
371
        name = self._limbo_name(trans_id)
 
372
        try:
 
373
            os.link(path, name)
 
374
        except OSError, e:
 
375
            if e.errno != errno.EPERM:
 
376
                raise
 
377
            raise errors.HardLinkNotSupported(path)
 
378
        try:
 
379
            unique_add(self._new_contents, trans_id, 'file')
 
380
        except:
 
381
            # Clean up the file, it never got registered so
 
382
            # TreeTransform.finalize() won't clean it up.
 
383
            os.unlink(name)
 
384
            raise
 
385
 
 
386
    def create_directory(self, trans_id):
 
387
        """Schedule creation of a new directory.
 
388
        
 
389
        See also new_directory.
 
390
        """
 
391
        os.mkdir(self._limbo_name(trans_id))
 
392
        unique_add(self._new_contents, trans_id, 'directory')
 
393
 
 
394
    def create_symlink(self, target, trans_id):
 
395
        """Schedule creation of a new symbolic link.
 
396
 
 
397
        target is a bytestring.
 
398
        See also new_symlink.
 
399
        """
 
400
        if has_symlinks():
 
401
            os.symlink(target, self._limbo_name(trans_id))
 
402
            unique_add(self._new_contents, trans_id, 'symlink')
 
403
        else:
 
404
            try:
 
405
                path = FinalPaths(self).get_path(trans_id)
 
406
            except KeyError:
 
407
                path = None
 
408
            raise UnableCreateSymlink(path=path)
 
409
 
 
410
    def cancel_creation(self, trans_id):
 
411
        """Cancel the creation of new file contents."""
 
412
        del self._new_contents[trans_id]
 
413
        children = self._limbo_children.get(trans_id)
 
414
        # if this is a limbo directory with children, move them before removing
 
415
        # the directory
 
416
        if children is not None:
 
417
            self._rename_in_limbo(children)
 
418
            del self._limbo_children[trans_id]
 
419
            del self._limbo_children_names[trans_id]
 
420
        delete_any(self._limbo_name(trans_id))
 
421
 
315
422
    def delete_contents(self, trans_id):
316
423
        """Schedule the contents of a path entry for deletion"""
317
 
        # Ensure that the object exists in the WorkingTree, this will raise an
318
 
        # exception if there is a problem
319
424
        self.tree_kind(trans_id)
320
425
        self._removed_contents.add(trans_id)
321
426
 
366
471
        """
367
472
        new_ids = set()
368
473
        if filesystem_only:
369
 
            stale_ids = self._needs_rename.difference(self._new_name)
370
 
            stale_ids.difference_update(self._new_parent)
371
 
            stale_ids.difference_update(self._new_contents)
372
 
            stale_ids.difference_update(self._new_id)
373
 
            needs_rename = self._needs_rename.difference(stale_ids)
374
 
            id_sets = (needs_rename, self._new_executability)
 
474
            id_sets = (self._needs_rename, self._new_executability)
375
475
        else:
376
476
            id_sets = (self._new_name, self._new_parent, self._new_contents,
377
477
                       self._new_id, self._new_executability)
379
479
            new_ids.update(id_set)
380
480
        return sorted(FinalPaths(self).get_paths(new_ids))
381
481
 
382
 
    def _inventory_altered(self):
383
 
        """Get the trans_ids and paths of files needing new inv entries."""
384
 
        new_ids = set()
385
 
        for id_set in [self._new_name, self._new_parent, self._new_id,
386
 
                       self._new_executability]:
387
 
            new_ids.update(id_set)
388
 
        changed_kind = set(self._removed_contents)
389
 
        changed_kind.intersection_update(self._new_contents)
390
 
        changed_kind.difference_update(new_ids)
391
 
        changed_kind = (t for t in changed_kind if self.tree_kind(t) !=
392
 
                        self.final_kind(t))
393
 
        new_ids.update(changed_kind)
394
 
        return sorted(FinalPaths(self).get_paths(new_ids))
 
482
    def tree_kind(self, trans_id):
 
483
        """Determine the file kind in the working tree.
 
484
 
 
485
        Raises NoSuchFile if the file does not exist
 
486
        """
 
487
        path = self._tree_id_paths.get(trans_id)
 
488
        if path is None:
 
489
            raise NoSuchFile(None)
 
490
        try:
 
491
            return file_kind(self._tree.abspath(path))
 
492
        except OSError, e:
 
493
            if e.errno != errno.ENOENT:
 
494
                raise
 
495
            else:
 
496
                raise NoSuchFile(path)
395
497
 
396
498
    def final_kind(self, trans_id):
397
499
        """Determine the final file kind, after any changes applied.
398
 
 
 
500
        
399
501
        Raises NoSuchFile if the file does not exist/has no contents.
400
502
        (It is conceivable that a path would be created without the
401
503
        corresponding contents insertion command)
417
519
        # the file is old; the old id is still valid
418
520
        if self._new_root == trans_id:
419
521
            return self._tree.get_root_id()
420
 
        return self._tree.path2id(path)
 
522
        return self._tree.inventory.path2id(path)
421
523
 
422
524
    def final_file_id(self, trans_id):
423
525
        """Determine the file id after any changes are applied, or None.
424
 
 
 
526
        
425
527
        None indicates that the file will not be versioned after changes are
426
528
        applied.
427
529
        """
466
568
 
467
569
    def by_parent(self):
468
570
        """Return a map of parent: children for known parents.
469
 
 
 
571
        
470
572
        Only new paths and parents of tree files with assigned ids are used.
471
573
        """
472
574
        by_parent = {}
473
575
        items = list(self._new_parent.iteritems())
474
 
        items.extend((t, self.final_parent(t)) for t in
 
576
        items.extend((t, self.final_parent(t)) for t in 
475
577
                      self._tree_id_paths.keys())
476
578
        for trans_id, parent_id in items:
477
579
            if parent_id not in by_parent:
505
607
        conflicts.extend(self._overwrite_conflicts())
506
608
        return conflicts
507
609
 
508
 
    def _check_malformed(self):
509
 
        conflicts = self.find_conflicts()
510
 
        if len(conflicts) != 0:
511
 
            raise MalformedTransform(conflicts=conflicts)
512
 
 
513
610
    def _add_tree_children(self):
514
611
        """Add all the children of all active parents to the known paths.
515
612
 
517
614
        removed.  This is a necessary first step in detecting conflicts.
518
615
        """
519
616
        parents = self.by_parent().keys()
520
 
        parents.extend([t for t in self._removed_contents if
 
617
        parents.extend([t for t in self._removed_contents if 
521
618
                        self.tree_kind(t) == 'directory'])
522
619
        for trans_id in self._removed_id:
523
620
            file_id = self.tree_file_id(trans_id)
531
628
            # ensure that all children are registered with the transaction
532
629
            list(self.iter_tree_children(parent_id))
533
630
 
 
631
    def iter_tree_children(self, parent_id):
 
632
        """Iterate through the entry's tree children, if any"""
 
633
        try:
 
634
            path = self._tree_id_paths[parent_id]
 
635
        except KeyError:
 
636
            return
 
637
        try:
 
638
            children = os.listdir(self._tree.abspath(path))
 
639
        except OSError, e:
 
640
            if not (osutils._is_error_enotdir(e)
 
641
                    or e.errno in (errno.ENOENT, errno.ESRCH)):
 
642
                raise
 
643
            return
 
644
 
 
645
        for child in children:
 
646
            childpath = joinpath(path, child)
 
647
            if self._tree.is_control_filename(childpath):
 
648
                continue
 
649
            yield self.trans_id_tree_path(childpath)
 
650
 
534
651
    def has_named_child(self, by_parent, parent_id, name):
535
652
        try:
536
653
            children = by_parent[parent_id]
590
707
 
591
708
    def _improper_versioning(self):
592
709
        """Cannot version a file with no contents, or a bad type.
593
 
 
 
710
        
594
711
        However, existing entries with no contents are okay.
595
712
        """
596
713
        conflicts = []
606
723
 
607
724
    def _executability_conflicts(self):
608
725
        """Check for bad executability changes.
609
 
 
 
726
        
610
727
        Only versioned files may have their executability set, because
611
728
        1. only versioned entries can have executability under windows
612
729
        2. only files can be executable.  (The execute bit on a directory
711
828
            return True
712
829
        return False
713
830
 
714
 
    def _set_executability(self, path, trans_id):
 
831
    def _limbo_name(self, trans_id):
 
832
        """Generate the limbo name of a file"""
 
833
        limbo_name = self._limbo_files.get(trans_id)
 
834
        if limbo_name is not None:
 
835
            return limbo_name
 
836
        parent = self._new_parent.get(trans_id)
 
837
        # if the parent directory is already in limbo (e.g. when building a
 
838
        # tree), choose a limbo name inside the parent, to reduce further
 
839
        # renames.
 
840
        use_direct_path = False
 
841
        if self._new_contents.get(parent) == 'directory':
 
842
            filename = self._new_name.get(trans_id)
 
843
            if filename is not None:
 
844
                if parent not in self._limbo_children:
 
845
                    self._limbo_children[parent] = set()
 
846
                    self._limbo_children_names[parent] = {}
 
847
                    use_direct_path = True
 
848
                # the direct path can only be used if no other file has
 
849
                # already taken this pathname, i.e. if the name is unused, or
 
850
                # if it is already associated with this trans_id.
 
851
                elif self._case_sensitive_target:
 
852
                    if (self._limbo_children_names[parent].get(filename)
 
853
                        in (trans_id, None)):
 
854
                        use_direct_path = True
 
855
                else:
 
856
                    for l_filename, l_trans_id in\
 
857
                        self._limbo_children_names[parent].iteritems():
 
858
                        if l_trans_id == trans_id:
 
859
                            continue
 
860
                        if l_filename.lower() == filename.lower():
 
861
                            break
 
862
                    else:
 
863
                        use_direct_path = True
 
864
 
 
865
        if use_direct_path:
 
866
            limbo_name = pathjoin(self._limbo_files[parent], filename)
 
867
            self._limbo_children[parent].add(trans_id)
 
868
            self._limbo_children_names[parent][filename] = trans_id
 
869
        else:
 
870
            limbo_name = pathjoin(self._limbodir, trans_id)
 
871
            self._needs_rename.add(trans_id)
 
872
        self._limbo_files[trans_id] = limbo_name
 
873
        return limbo_name
 
874
 
 
875
    def _set_executability(self, path, entry, trans_id):
715
876
        """Set the executability of versioned files """
 
877
        new_executability = self._new_executability[trans_id]
 
878
        if entry is not None:
 
879
            entry.executable = new_executability
716
880
        if supports_executable():
717
 
            new_executability = self._new_executability[trans_id]
718
881
            abspath = self._tree.abspath(path)
719
882
            current_mode = os.stat(abspath).st_mode
720
883
            if new_executability:
737
900
            self.version_file(file_id, trans_id)
738
901
        return trans_id
739
902
 
740
 
    def new_file(self, name, parent_id, contents, file_id=None,
 
903
    def new_file(self, name, parent_id, contents, file_id=None, 
741
904
                 executable=None):
742
905
        """Convenience method to create files.
743
 
 
 
906
        
744
907
        name is the name of the file to create.
745
908
        parent_id is the transaction id of the parent directory of the file.
746
909
        contents is an iterator of bytestrings, which will be used to produce
766
929
        """
767
930
        trans_id = self._new_entry(name, parent_id, file_id)
768
931
        self.create_directory(trans_id)
769
 
        return trans_id
 
932
        return trans_id 
770
933
 
771
934
    def new_symlink(self, name, parent_id, target, file_id=None):
772
935
        """Convenience method to create symbolic link.
773
 
 
 
936
        
774
937
        name is the name of the symlink to create.
775
938
        parent_id is the transaction id of the parent directory of the symlink.
776
939
        target is a bytestring of the target of the symlink.
815
978
        from_path = self._tree_id_paths.get(from_trans_id)
816
979
        if from_versioned:
817
980
            # get data from working tree if versioned
818
 
            from_entry = self._tree.iter_entries_by_dir([file_id]).next()[1]
 
981
            from_entry = self._tree.inventory[file_id]
819
982
            from_name = from_entry.name
820
983
            from_parent = from_entry.parent_id
821
984
        else:
922
1085
    def get_preview_tree(self):
923
1086
        """Return a tree representing the result of the transform.
924
1087
 
925
 
        The tree is a snapshot, and altering the TreeTransform will invalidate
926
 
        it.
 
1088
        This tree only supports the subset of Tree functionality required
 
1089
        by show_diff_trees.  It must only be compared to tt._tree.
927
1090
        """
928
1091
        return _PreviewTree(self)
929
1092
 
930
 
    def commit(self, branch, message, merge_parents=None, strict=False):
931
 
        """Commit the result of this TreeTransform to a branch.
932
 
 
933
 
        :param branch: The branch to commit to.
934
 
        :param message: The message to attach to the commit.
935
 
        :param merge_parents: Additional parents specified by pending merges.
936
 
        :return: The revision_id of the revision committed.
937
 
        """
938
 
        self._check_malformed()
939
 
        if strict:
940
 
            unversioned = set(self._new_contents).difference(set(self._new_id))
941
 
            for trans_id in unversioned:
942
 
                if self.final_file_id(trans_id) is None:
943
 
                    raise errors.StrictCommitFailed()
944
 
 
945
 
        revno, last_rev_id = branch.last_revision_info()
946
 
        if last_rev_id == _mod_revision.NULL_REVISION:
947
 
            if merge_parents is not None:
948
 
                raise ValueError('Cannot supply merge parents for first'
949
 
                                 ' commit.')
950
 
            parent_ids = []
951
 
        else:
952
 
            parent_ids = [last_rev_id]
953
 
            if merge_parents is not None:
954
 
                parent_ids.extend(merge_parents)
955
 
        if self._tree.get_revision_id() != last_rev_id:
956
 
            raise ValueError('TreeTransform not based on branch basis: %s' %
957
 
                             self._tree.get_revision_id())
958
 
        builder = branch.get_commit_builder(parent_ids)
959
 
        preview = self.get_preview_tree()
960
 
        list(builder.record_iter_changes(preview, last_rev_id,
961
 
                                         self.iter_changes()))
962
 
        builder.finish_inventory()
963
 
        revision_id = builder.commit(message)
964
 
        branch.set_last_revision_info(revno + 1, revision_id)
965
 
        return revision_id
966
 
 
967
 
    def _text_parent(self, trans_id):
968
 
        file_id = self.tree_file_id(trans_id)
969
 
        try:
970
 
            if file_id is None or self._tree.kind(file_id) != 'file':
971
 
                return None
972
 
        except errors.NoSuchFile:
973
 
            return None
974
 
        return file_id
975
 
 
976
 
    def _get_parents_texts(self, trans_id):
977
 
        """Get texts for compression parents of this file."""
978
 
        file_id = self._text_parent(trans_id)
979
 
        if file_id is None:
980
 
            return ()
981
 
        return (self._tree.get_file_text(file_id),)
982
 
 
983
 
    def _get_parents_lines(self, trans_id):
984
 
        """Get lines for compression parents of this file."""
985
 
        file_id = self._text_parent(trans_id)
986
 
        if file_id is None:
987
 
            return ()
988
 
        return (self._tree.get_file_lines(file_id),)
989
 
 
990
 
    def serialize(self, serializer):
991
 
        """Serialize this TreeTransform.
992
 
 
993
 
        :param serializer: A Serialiser like pack.ContainerSerializer.
994
 
        """
995
 
        new_name = dict((k, v.encode('utf-8')) for k, v in
996
 
                        self._new_name.items())
997
 
        new_executability = dict((k, int(v)) for k, v in
998
 
                                 self._new_executability.items())
999
 
        tree_path_ids = dict((k.encode('utf-8'), v)
1000
 
                             for k, v in self._tree_path_ids.items())
1001
 
        attribs = {
1002
 
            '_id_number': self._id_number,
1003
 
            '_new_name': new_name,
1004
 
            '_new_parent': self._new_parent,
1005
 
            '_new_executability': new_executability,
1006
 
            '_new_id': self._new_id,
1007
 
            '_tree_path_ids': tree_path_ids,
1008
 
            '_removed_id': list(self._removed_id),
1009
 
            '_removed_contents': list(self._removed_contents),
1010
 
            '_non_present_ids': self._non_present_ids,
1011
 
            }
1012
 
        yield serializer.bytes_record(bencode.bencode(attribs),
1013
 
                                      (('attribs',),))
1014
 
        for trans_id, kind in self._new_contents.items():
1015
 
            if kind == 'file':
1016
 
                lines = osutils.chunks_to_lines(
1017
 
                    self._read_file_chunks(trans_id))
1018
 
                parents = self._get_parents_lines(trans_id)
1019
 
                mpdiff = multiparent.MultiParent.from_lines(lines, parents)
1020
 
                content = ''.join(mpdiff.to_patch())
1021
 
            if kind == 'directory':
1022
 
                content = ''
1023
 
            if kind == 'symlink':
1024
 
                content = self._read_symlink_target(trans_id)
1025
 
            yield serializer.bytes_record(content, ((trans_id, kind),))
1026
 
 
1027
 
    def deserialize(self, records):
1028
 
        """Deserialize a stored TreeTransform.
1029
 
 
1030
 
        :param records: An iterable of (names, content) tuples, as per
1031
 
            pack.ContainerPushParser.
1032
 
        """
1033
 
        names, content = records.next()
1034
 
        attribs = bencode.bdecode(content)
1035
 
        self._id_number = attribs['_id_number']
1036
 
        self._new_name = dict((k, v.decode('utf-8'))
1037
 
                            for k, v in attribs['_new_name'].items())
1038
 
        self._new_parent = attribs['_new_parent']
1039
 
        self._new_executability = dict((k, bool(v)) for k, v in
1040
 
            attribs['_new_executability'].items())
1041
 
        self._new_id = attribs['_new_id']
1042
 
        self._r_new_id = dict((v, k) for k, v in self._new_id.items())
1043
 
        self._tree_path_ids = {}
1044
 
        self._tree_id_paths = {}
1045
 
        for bytepath, trans_id in attribs['_tree_path_ids'].items():
1046
 
            path = bytepath.decode('utf-8')
1047
 
            self._tree_path_ids[path] = trans_id
1048
 
            self._tree_id_paths[trans_id] = path
1049
 
        self._removed_id = set(attribs['_removed_id'])
1050
 
        self._removed_contents = set(attribs['_removed_contents'])
1051
 
        self._non_present_ids = attribs['_non_present_ids']
1052
 
        for ((trans_id, kind),), content in records:
1053
 
            if kind == 'file':
1054
 
                mpdiff = multiparent.MultiParent.from_patch(content)
1055
 
                lines = mpdiff.to_lines(self._get_parents_texts(trans_id))
1056
 
                self.create_file(lines, trans_id)
1057
 
            if kind == 'directory':
1058
 
                self.create_directory(trans_id)
1059
 
            if kind == 'symlink':
1060
 
                self.create_symlink(content.decode('utf-8'), trans_id)
1061
 
 
1062
 
 
1063
 
class DiskTreeTransform(TreeTransformBase):
1064
 
    """Tree transform storing its contents on disk."""
1065
 
 
1066
 
    def __init__(self, tree, limbodir, pb=None,
1067
 
                 case_sensitive=True):
1068
 
        """Constructor.
1069
 
        :param tree: The tree that will be transformed, but not necessarily
1070
 
            the output tree.
1071
 
        :param limbodir: A directory where new files can be stored until
1072
 
            they are installed in their proper places
1073
 
        :param pb: ignored
1074
 
        :param case_sensitive: If True, the target of the transform is
1075
 
            case sensitive, not just case preserving.
1076
 
        """
1077
 
        TreeTransformBase.__init__(self, tree, pb, case_sensitive)
1078
 
        self._limbodir = limbodir
1079
 
        self._deletiondir = None
1080
 
        # A mapping of transform ids to their limbo filename
1081
 
        self._limbo_files = {}
1082
 
        # A mapping of transform ids to a set of the transform ids of children
1083
 
        # that their limbo directory has
1084
 
        self._limbo_children = {}
1085
 
        # Map transform ids to maps of child filename to child transform id
1086
 
        self._limbo_children_names = {}
1087
 
        # List of transform ids that need to be renamed from limbo into place
1088
 
        self._needs_rename = set()
1089
 
        self._creation_mtime = None
1090
 
 
1091
 
    def finalize(self):
1092
 
        """Release the working tree lock, if held, clean up limbo dir.
1093
 
 
1094
 
        This is required if apply has not been invoked, but can be invoked
1095
 
        even after apply.
1096
 
        """
1097
 
        if self._tree is None:
1098
 
            return
1099
 
        try:
1100
 
            entries = [(self._limbo_name(t), t, k) for t, k in
1101
 
                       self._new_contents.iteritems()]
1102
 
            entries.sort(reverse=True)
1103
 
            for path, trans_id, kind in entries:
1104
 
                delete_any(path)
1105
 
            try:
1106
 
                delete_any(self._limbodir)
1107
 
            except OSError:
1108
 
                # We don't especially care *why* the dir is immortal.
1109
 
                raise ImmortalLimbo(self._limbodir)
1110
 
            try:
1111
 
                if self._deletiondir is not None:
1112
 
                    delete_any(self._deletiondir)
1113
 
            except OSError:
1114
 
                raise errors.ImmortalPendingDeletion(self._deletiondir)
1115
 
        finally:
1116
 
            TreeTransformBase.finalize(self)
1117
 
 
1118
 
    def _limbo_name(self, trans_id):
1119
 
        """Generate the limbo name of a file"""
1120
 
        limbo_name = self._limbo_files.get(trans_id)
1121
 
        if limbo_name is None:
1122
 
            limbo_name = self._generate_limbo_path(trans_id)
1123
 
            self._limbo_files[trans_id] = limbo_name
1124
 
        return limbo_name
1125
 
 
1126
 
    def _generate_limbo_path(self, trans_id):
1127
 
        """Generate a limbo path using the trans_id as the relative path.
1128
 
 
1129
 
        This is suitable as a fallback, and when the transform should not be
1130
 
        sensitive to the path encoding of the limbo directory.
1131
 
        """
1132
 
        self._needs_rename.add(trans_id)
1133
 
        return pathjoin(self._limbodir, trans_id)
1134
 
 
1135
 
    def adjust_path(self, name, parent, trans_id):
1136
 
        previous_parent = self._new_parent.get(trans_id)
1137
 
        previous_name = self._new_name.get(trans_id)
1138
 
        TreeTransformBase.adjust_path(self, name, parent, trans_id)
1139
 
        if (trans_id in self._limbo_files and
1140
 
            trans_id not in self._needs_rename):
1141
 
            self._rename_in_limbo([trans_id])
1142
 
            if previous_parent != parent:
1143
 
                self._limbo_children[previous_parent].remove(trans_id)
1144
 
            if previous_parent != parent or previous_name != name:
1145
 
                del self._limbo_children_names[previous_parent][previous_name]
1146
 
 
1147
 
    def _rename_in_limbo(self, trans_ids):
1148
 
        """Fix limbo names so that the right final path is produced.
1149
 
 
1150
 
        This means we outsmarted ourselves-- we tried to avoid renaming
1151
 
        these files later by creating them with their final names in their
1152
 
        final parents.  But now the previous name or parent is no longer
1153
 
        suitable, so we have to rename them.
1154
 
 
1155
 
        Even for trans_ids that have no new contents, we must remove their
1156
 
        entries from _limbo_files, because they are now stale.
1157
 
        """
1158
 
        for trans_id in trans_ids:
1159
 
            old_path = self._limbo_files.pop(trans_id)
1160
 
            if trans_id not in self._new_contents:
1161
 
                continue
1162
 
            new_path = self._limbo_name(trans_id)
1163
 
            osutils.rename(old_path, new_path)
1164
 
            for descendant in self._limbo_descendants(trans_id):
1165
 
                desc_path = self._limbo_files[descendant]
1166
 
                desc_path = new_path + desc_path[len(old_path):]
1167
 
                self._limbo_files[descendant] = desc_path
1168
 
 
1169
 
    def _limbo_descendants(self, trans_id):
1170
 
        """Return the set of trans_ids whose limbo paths descend from this."""
1171
 
        descendants = set(self._limbo_children.get(trans_id, []))
1172
 
        for descendant in list(descendants):
1173
 
            descendants.update(self._limbo_descendants(descendant))
1174
 
        return descendants
1175
 
 
1176
 
    def create_file(self, contents, trans_id, mode_id=None):
1177
 
        """Schedule creation of a new file.
1178
 
 
1179
 
        See also new_file.
1180
 
 
1181
 
        Contents is an iterator of strings, all of which will be written
1182
 
        to the target destination.
1183
 
 
1184
 
        New file takes the permissions of any existing file with that id,
1185
 
        unless mode_id is specified.
1186
 
        """
1187
 
        name = self._limbo_name(trans_id)
1188
 
        f = open(name, 'wb')
1189
 
        try:
1190
 
            try:
1191
 
                unique_add(self._new_contents, trans_id, 'file')
1192
 
            except:
1193
 
                # Clean up the file, it never got registered so
1194
 
                # TreeTransform.finalize() won't clean it up.
1195
 
                f.close()
1196
 
                os.unlink(name)
1197
 
                raise
1198
 
 
1199
 
            f.writelines(contents)
1200
 
        finally:
1201
 
            f.close()
1202
 
        self._set_mtime(name)
1203
 
        self._set_mode(trans_id, mode_id, S_ISREG)
1204
 
 
1205
 
    def _read_file_chunks(self, trans_id):
1206
 
        cur_file = open(self._limbo_name(trans_id), 'rb')
1207
 
        try:
1208
 
            return cur_file.readlines()
1209
 
        finally:
1210
 
            cur_file.close()
1211
 
 
1212
 
    def _read_symlink_target(self, trans_id):
1213
 
        return os.readlink(self._limbo_name(trans_id))
1214
 
 
1215
 
    def _set_mtime(self, path):
1216
 
        """All files that are created get the same mtime.
1217
 
 
1218
 
        This time is set by the first object to be created.
1219
 
        """
1220
 
        if self._creation_mtime is None:
1221
 
            self._creation_mtime = time.time()
1222
 
        os.utime(path, (self._creation_mtime, self._creation_mtime))
1223
 
 
1224
 
    def create_hardlink(self, path, trans_id):
1225
 
        """Schedule creation of a hard link"""
1226
 
        name = self._limbo_name(trans_id)
1227
 
        try:
1228
 
            os.link(path, name)
1229
 
        except OSError, e:
1230
 
            if e.errno != errno.EPERM:
1231
 
                raise
1232
 
            raise errors.HardLinkNotSupported(path)
1233
 
        try:
1234
 
            unique_add(self._new_contents, trans_id, 'file')
1235
 
        except:
1236
 
            # Clean up the file, it never got registered so
1237
 
            # TreeTransform.finalize() won't clean it up.
1238
 
            os.unlink(name)
1239
 
            raise
1240
 
 
1241
 
    def create_directory(self, trans_id):
1242
 
        """Schedule creation of a new directory.
1243
 
 
1244
 
        See also new_directory.
1245
 
        """
1246
 
        os.mkdir(self._limbo_name(trans_id))
1247
 
        unique_add(self._new_contents, trans_id, 'directory')
1248
 
 
1249
 
    def create_symlink(self, target, trans_id):
1250
 
        """Schedule creation of a new symbolic link.
1251
 
 
1252
 
        target is a bytestring.
1253
 
        See also new_symlink.
1254
 
        """
1255
 
        if has_symlinks():
1256
 
            os.symlink(target, self._limbo_name(trans_id))
1257
 
            unique_add(self._new_contents, trans_id, 'symlink')
1258
 
        else:
1259
 
            try:
1260
 
                path = FinalPaths(self).get_path(trans_id)
1261
 
            except KeyError:
1262
 
                path = None
1263
 
            raise UnableCreateSymlink(path=path)
1264
 
 
1265
 
    def cancel_creation(self, trans_id):
1266
 
        """Cancel the creation of new file contents."""
1267
 
        del self._new_contents[trans_id]
1268
 
        children = self._limbo_children.get(trans_id)
1269
 
        # if this is a limbo directory with children, move them before removing
1270
 
        # the directory
1271
 
        if children is not None:
1272
 
            self._rename_in_limbo(children)
1273
 
            del self._limbo_children[trans_id]
1274
 
            del self._limbo_children_names[trans_id]
1275
 
        delete_any(self._limbo_name(trans_id))
1276
 
 
1277
 
 
1278
 
class TreeTransform(DiskTreeTransform):
 
1093
 
 
1094
class TreeTransform(TreeTransformBase):
1279
1095
    """Represent a tree transformation.
1280
1096
 
1281
1097
    This object is designed to support incremental generation of the transform,
1340
1156
    FileMover does not delete files until it is sure that a rollback will not
1341
1157
    happen.
1342
1158
    """
1343
 
    def __init__(self, tree, pb=None):
 
1159
    def __init__(self, tree, pb=DummyProgress()):
1344
1160
        """Note: a tree_write lock is taken on the tree.
1345
1161
 
1346
1162
        Use TreeTransform.finalize() to release the lock (can be omitted if
1367
1183
            tree.unlock()
1368
1184
            raise
1369
1185
 
1370
 
        # Cache of realpath results, to speed up canonical_path
1371
 
        self._realpaths = {}
1372
 
        # Cache of relpath results, to speed up canonical_path
1373
 
        self._relpaths = {}
1374
 
        DiskTreeTransform.__init__(self, tree, limbodir, pb,
 
1186
        TreeTransformBase.__init__(self, tree, limbodir, pb,
1375
1187
                                   tree.case_sensitive)
1376
1188
        self._deletiondir = deletiondir
1377
1189
 
1378
 
    def canonical_path(self, path):
1379
 
        """Get the canonical tree-relative path"""
1380
 
        # don't follow final symlinks
1381
 
        abs = self._tree.abspath(path)
1382
 
        if abs in self._relpaths:
1383
 
            return self._relpaths[abs]
1384
 
        dirname, basename = os.path.split(abs)
1385
 
        if dirname not in self._realpaths:
1386
 
            self._realpaths[dirname] = os.path.realpath(dirname)
1387
 
        dirname = self._realpaths[dirname]
1388
 
        abs = pathjoin(dirname, basename)
1389
 
        if dirname in self._relpaths:
1390
 
            relpath = pathjoin(self._relpaths[dirname], basename)
1391
 
            relpath = relpath.rstrip('/\\')
1392
 
        else:
1393
 
            relpath = self._tree.relpath(abs)
1394
 
        self._relpaths[abs] = relpath
1395
 
        return relpath
1396
 
 
1397
 
    def tree_kind(self, trans_id):
1398
 
        """Determine the file kind in the working tree.
1399
 
 
1400
 
        Raises NoSuchFile if the file does not exist
1401
 
        """
1402
 
        path = self._tree_id_paths.get(trans_id)
1403
 
        if path is None:
1404
 
            raise NoSuchFile(None)
1405
 
        try:
1406
 
            return file_kind(self._tree.abspath(path))
1407
 
        except OSError, e:
1408
 
            if e.errno != errno.ENOENT:
1409
 
                raise
1410
 
            else:
1411
 
                raise NoSuchFile(path)
1412
 
 
1413
 
    def _set_mode(self, trans_id, mode_id, typefunc):
1414
 
        """Set the mode of new file contents.
1415
 
        The mode_id is the existing file to get the mode from (often the same
1416
 
        as trans_id).  The operation is only performed if there's a mode match
1417
 
        according to typefunc.
1418
 
        """
1419
 
        if mode_id is None:
1420
 
            mode_id = trans_id
1421
 
        try:
1422
 
            old_path = self._tree_id_paths[mode_id]
1423
 
        except KeyError:
1424
 
            return
1425
 
        try:
1426
 
            mode = os.stat(self._tree.abspath(old_path)).st_mode
1427
 
        except OSError, e:
1428
 
            if e.errno in (errno.ENOENT, errno.ENOTDIR):
1429
 
                # Either old_path doesn't exist, or the parent of the
1430
 
                # target is not a directory (but will be one eventually)
1431
 
                # Either way, we know it doesn't exist *right now*
1432
 
                # See also bug #248448
1433
 
                return
1434
 
            else:
1435
 
                raise
1436
 
        if typefunc(mode):
1437
 
            os.chmod(self._limbo_name(trans_id), mode)
1438
 
 
1439
 
    def iter_tree_children(self, parent_id):
1440
 
        """Iterate through the entry's tree children, if any"""
1441
 
        try:
1442
 
            path = self._tree_id_paths[parent_id]
1443
 
        except KeyError:
1444
 
            return
1445
 
        try:
1446
 
            children = os.listdir(self._tree.abspath(path))
1447
 
        except OSError, e:
1448
 
            if not (osutils._is_error_enotdir(e)
1449
 
                    or e.errno in (errno.ENOENT, errno.ESRCH)):
1450
 
                raise
1451
 
            return
1452
 
 
1453
 
        for child in children:
1454
 
            childpath = joinpath(path, child)
1455
 
            if self._tree.is_control_filename(childpath):
1456
 
                continue
1457
 
            yield self.trans_id_tree_path(childpath)
1458
 
 
1459
 
    def _generate_limbo_path(self, trans_id):
1460
 
        """Generate a limbo path using the final path if possible.
1461
 
 
1462
 
        This optimizes the performance of applying the tree transform by
1463
 
        avoiding renames.  These renames can be avoided only when the parent
1464
 
        directory is already scheduled for creation.
1465
 
 
1466
 
        If the final path cannot be used, falls back to using the trans_id as
1467
 
        the relpath.
1468
 
        """
1469
 
        parent = self._new_parent.get(trans_id)
1470
 
        # if the parent directory is already in limbo (e.g. when building a
1471
 
        # tree), choose a limbo name inside the parent, to reduce further
1472
 
        # renames.
1473
 
        use_direct_path = False
1474
 
        if self._new_contents.get(parent) == 'directory':
1475
 
            filename = self._new_name.get(trans_id)
1476
 
            if filename is not None:
1477
 
                if parent not in self._limbo_children:
1478
 
                    self._limbo_children[parent] = set()
1479
 
                    self._limbo_children_names[parent] = {}
1480
 
                    use_direct_path = True
1481
 
                # the direct path can only be used if no other file has
1482
 
                # already taken this pathname, i.e. if the name is unused, or
1483
 
                # if it is already associated with this trans_id.
1484
 
                elif self._case_sensitive_target:
1485
 
                    if (self._limbo_children_names[parent].get(filename)
1486
 
                        in (trans_id, None)):
1487
 
                        use_direct_path = True
1488
 
                else:
1489
 
                    for l_filename, l_trans_id in\
1490
 
                        self._limbo_children_names[parent].iteritems():
1491
 
                        if l_trans_id == trans_id:
1492
 
                            continue
1493
 
                        if l_filename.lower() == filename.lower():
1494
 
                            break
1495
 
                    else:
1496
 
                        use_direct_path = True
1497
 
 
1498
 
        if not use_direct_path:
1499
 
            return DiskTreeTransform._generate_limbo_path(self, trans_id)
1500
 
 
1501
 
        limbo_name = pathjoin(self._limbo_files[parent], filename)
1502
 
        self._limbo_children[parent].add(trans_id)
1503
 
        self._limbo_children_names[parent][filename] = trans_id
1504
 
        return limbo_name
1505
 
 
1506
 
 
1507
1190
    def apply(self, no_conflicts=False, precomputed_delta=None, _mover=None):
1508
1191
        """Apply all changes to the inventory and filesystem.
1509
1192
 
1519
1202
        :param _mover: Supply an alternate FileMover, for testing
1520
1203
        """
1521
1204
        if not no_conflicts:
1522
 
            self._check_malformed()
 
1205
            conflicts = self.find_conflicts()
 
1206
            if len(conflicts) != 0:
 
1207
                raise MalformedTransform(conflicts=conflicts)
 
1208
        if precomputed_delta is None:
 
1209
            new_inventory_delta = []
 
1210
            inventory_delta = new_inventory_delta
 
1211
        else:
 
1212
            new_inventory_delta = None
 
1213
            inventory_delta = precomputed_delta
1523
1214
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1524
1215
        try:
1525
 
            if precomputed_delta is None:
1526
 
                child_pb.update('Apply phase', 0, 2)
1527
 
                inventory_delta = self._generate_inventory_delta()
1528
 
                offset = 1
1529
 
            else:
1530
 
                inventory_delta = precomputed_delta
1531
 
                offset = 0
1532
1216
            if _mover is None:
1533
1217
                mover = _FileMover()
1534
1218
            else:
1535
1219
                mover = _mover
1536
1220
            try:
1537
 
                child_pb.update('Apply phase', 0 + offset, 2 + offset)
1538
 
                self._apply_removals(mover)
1539
 
                child_pb.update('Apply phase', 1 + offset, 2 + offset)
1540
 
                modified_paths = self._apply_insertions(mover)
 
1221
                child_pb.update('Apply phase', 0, 2)
 
1222
                kind_changes = self._apply_removals(new_inventory_delta, mover)
 
1223
                child_pb.update('Apply phase', 1, 2)
 
1224
                modified_paths = self._apply_insertions(new_inventory_delta,
 
1225
                                                        mover, kind_changes)
1541
1226
            except:
1542
1227
                mover.rollback()
1543
1228
                raise
1550
1235
        self.finalize()
1551
1236
        return _TransformResults(modified_paths, self.rename_count)
1552
1237
 
1553
 
    def _generate_inventory_delta(self):
1554
 
        """Generate an inventory delta for the current transform."""
1555
 
        inventory_delta = []
1556
 
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1557
 
        new_paths = self._inventory_altered()
1558
 
        total_entries = len(new_paths) + len(self._removed_id)
1559
 
        try:
1560
 
            for num, trans_id in enumerate(self._removed_id):
1561
 
                if (num % 10) == 0:
1562
 
                    child_pb.update('removing file', num, total_entries)
1563
 
                if trans_id == self._new_root:
1564
 
                    file_id = self._tree.get_root_id()
1565
 
                else:
1566
 
                    file_id = self.tree_file_id(trans_id)
1567
 
                # File-id isn't really being deleted, just moved
1568
 
                if file_id in self._r_new_id:
1569
 
                    continue
1570
 
                path = self._tree_id_paths[trans_id]
1571
 
                inventory_delta.append((path, None, file_id, None))
1572
 
            new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1573
 
                                     new_paths)
1574
 
            entries = self._tree.iter_entries_by_dir(
1575
 
                new_path_file_ids.values())
1576
 
            old_paths = dict((e.file_id, p) for p, e in entries)
1577
 
            final_kinds = {}
1578
 
            for num, (path, trans_id) in enumerate(new_paths):
1579
 
                if (num % 10) == 0:
1580
 
                    child_pb.update('adding file',
1581
 
                                    num + len(self._removed_id), total_entries)
1582
 
                file_id = new_path_file_ids[trans_id]
1583
 
                if file_id is None:
1584
 
                    continue
1585
 
                needs_entry = False
1586
 
                try:
1587
 
                    kind = self.final_kind(trans_id)
1588
 
                except NoSuchFile:
1589
 
                    kind = self._tree.stored_kind(file_id)
1590
 
                parent_trans_id = self.final_parent(trans_id)
1591
 
                parent_file_id = new_path_file_ids.get(parent_trans_id)
1592
 
                if parent_file_id is None:
1593
 
                    parent_file_id = self.final_file_id(parent_trans_id)
1594
 
                if trans_id in self._new_reference_revision:
1595
 
                    new_entry = inventory.TreeReference(
1596
 
                        file_id,
1597
 
                        self._new_name[trans_id],
1598
 
                        self.final_file_id(self._new_parent[trans_id]),
1599
 
                        None, self._new_reference_revision[trans_id])
1600
 
                else:
1601
 
                    new_entry = inventory.make_entry(kind,
1602
 
                        self.final_name(trans_id),
1603
 
                        parent_file_id, file_id)
1604
 
                old_path = old_paths.get(new_entry.file_id)
1605
 
                new_executability = self._new_executability.get(trans_id)
1606
 
                if new_executability is not None:
1607
 
                    new_entry.executable = new_executability
1608
 
                inventory_delta.append(
1609
 
                    (old_path, path, new_entry.file_id, new_entry))
1610
 
        finally:
1611
 
            child_pb.finished()
1612
 
        return inventory_delta
1613
 
 
1614
 
    def _apply_removals(self, mover):
 
1238
    def _apply_removals(self, inventory_delta, mover):
1615
1239
        """Perform tree operations that remove directory/inventory names.
1616
1240
 
1617
1241
        That is, delete files that are to be deleted, and put any files that
1622
1246
        """
1623
1247
        tree_paths = list(self._tree_path_ids.iteritems())
1624
1248
        tree_paths.sort(reverse=True)
 
1249
        kind_changes = set()
1625
1250
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1626
1251
        try:
1627
1252
            for num, data in enumerate(tree_paths):
1629
1254
                child_pb.update('removing file', num, len(tree_paths))
1630
1255
                full_path = self._tree.abspath(path)
1631
1256
                if trans_id in self._removed_contents:
1632
 
                    delete_path = os.path.join(self._deletiondir, trans_id)
1633
 
                    mover.pre_delete(full_path, delete_path)
1634
 
                elif (trans_id in self._new_name
1635
 
                      or trans_id in self._new_parent):
 
1257
                    try:
 
1258
                        if (self.tree_kind(trans_id)
 
1259
                                != self.final_kind(trans_id)):
 
1260
                            kind_changes.add(trans_id)
 
1261
                    except NoSuchFile:
 
1262
                        pass
 
1263
                    mover.pre_delete(full_path, os.path.join(self._deletiondir,
 
1264
                                     trans_id))
 
1265
                elif trans_id in self._new_name or trans_id in \
 
1266
                    self._new_parent:
1636
1267
                    try:
1637
1268
                        mover.rename(full_path, self._limbo_name(trans_id))
1638
1269
                    except OSError, e:
1640
1271
                            raise
1641
1272
                    else:
1642
1273
                        self.rename_count += 1
 
1274
                if (trans_id in self._removed_id
 
1275
                    and inventory_delta is not None):
 
1276
                    if trans_id == self._new_root:
 
1277
                        file_id = self._tree.get_root_id()
 
1278
                    else:
 
1279
                        file_id = self.tree_file_id(trans_id)
 
1280
                    # File-id isn't really being deleted, just moved
 
1281
                    if file_id in self._r_new_id:
 
1282
                        continue
 
1283
                    inventory_delta.append((path, None, file_id, None))
1643
1284
        finally:
1644
1285
            child_pb.finished()
 
1286
        return kind_changes
1645
1287
 
1646
 
    def _apply_insertions(self, mover):
 
1288
    def _apply_insertions(self, inventory_delta, mover, kind_changes):
1647
1289
        """Perform tree operations that insert directory/inventory names.
1648
1290
 
1649
1291
        That is, create any files that need to be created, and restore from
1652
1294
 
1653
1295
        If inventory_delta is None, no inventory delta is calculated, and
1654
1296
        no list of modified paths is returned.
 
1297
 
 
1298
        kind_changes is a set of trans ids where the entry has changed
 
1299
        kind, and so an inventory delta entry should be created for them.
1655
1300
        """
1656
 
        new_paths = self.new_paths(filesystem_only=True)
 
1301
        new_paths = self.new_paths(filesystem_only=(inventory_delta is None))
1657
1302
        modified_paths = []
 
1303
        completed_new = []
1658
1304
        new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1659
1305
                                 new_paths)
 
1306
        if inventory_delta is not None:
 
1307
            entries = self._tree.iter_entries_by_dir(
 
1308
                new_path_file_ids.values())
 
1309
            old_paths = dict((e.file_id, p) for p, e in entries)
1660
1310
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1661
1311
        try:
1662
1312
            for num, (path, trans_id) in enumerate(new_paths):
 
1313
                new_entry = None
1663
1314
                if (num % 10) == 0:
1664
1315
                    child_pb.update('adding file', num, len(new_paths))
1665
1316
                full_path = self._tree.abspath(path)
1672
1323
                            raise
1673
1324
                    else:
1674
1325
                        self.rename_count += 1
1675
 
                if (trans_id in self._new_contents or
1676
 
                    self.path_changed(trans_id)):
1677
 
                    if trans_id in self._new_contents:
1678
 
                        modified_paths.append(full_path)
 
1326
                if inventory_delta is not None:
 
1327
                    if (trans_id in self._new_contents or
 
1328
                        self.path_changed(trans_id)):
 
1329
                        if trans_id in self._new_contents:
 
1330
                            modified_paths.append(full_path)
 
1331
                            completed_new.append(trans_id)
 
1332
                    file_id = new_path_file_ids[trans_id]
 
1333
                    if file_id is not None and (trans_id in self._new_id or
 
1334
                        trans_id in self._new_name or
 
1335
                        trans_id in self._new_parent
 
1336
                        or trans_id in self._new_executability
 
1337
                        or trans_id in kind_changes):
 
1338
                        try:
 
1339
                            kind = self.final_kind(trans_id)
 
1340
                        except NoSuchFile:
 
1341
                            kind = self._tree.stored_kind(file_id)
 
1342
                        parent_trans_id = self.final_parent(trans_id)
 
1343
                        parent_file_id = new_path_file_ids.get(parent_trans_id)
 
1344
                        if parent_file_id is None:
 
1345
                            parent_file_id = self.final_file_id(
 
1346
                                parent_trans_id)
 
1347
                        if trans_id in self._new_reference_revision:
 
1348
                            new_entry = inventory.TreeReference(
 
1349
                                file_id,
 
1350
                                self._new_name[trans_id],
 
1351
                                self.final_file_id(self._new_parent[trans_id]),
 
1352
                                None, self._new_reference_revision[trans_id])
 
1353
                        else:
 
1354
                            new_entry = inventory.make_entry(kind,
 
1355
                                self.final_name(trans_id),
 
1356
                                parent_file_id, file_id)
 
1357
                        old_path = old_paths.get(new_entry.file_id)
 
1358
                        inventory_delta.append(
 
1359
                            (old_path, path, new_entry.file_id, new_entry))
 
1360
 
1679
1361
                if trans_id in self._new_executability:
1680
 
                    self._set_executability(path, trans_id)
 
1362
                    self._set_executability(path, new_entry, trans_id)
1681
1363
        finally:
1682
1364
            child_pb.finished()
1683
 
        self._new_contents.clear()
 
1365
        if inventory_delta is None:
 
1366
            self._new_contents.clear()
 
1367
        else:
 
1368
            for trans_id in completed_new:
 
1369
                del self._new_contents[trans_id]
1684
1370
        return modified_paths
1685
1371
 
1686
1372
 
1687
 
class TransformPreview(DiskTreeTransform):
 
1373
class TransformPreview(TreeTransformBase):
1688
1374
    """A TreeTransform for generating preview trees.
1689
1375
 
1690
1376
    Unlike TreeTransform, this version works when the input tree is a
1692
1378
    unversioned files in the input tree.
1693
1379
    """
1694
1380
 
1695
 
    def __init__(self, tree, pb=None, case_sensitive=True):
 
1381
    def __init__(self, tree, pb=DummyProgress(), case_sensitive=True):
1696
1382
        tree.lock_read()
1697
 
        limbodir = osutils.mkdtemp(prefix='bzr-limbo-')
1698
 
        DiskTreeTransform.__init__(self, tree, limbodir, pb, case_sensitive)
 
1383
        limbodir = tempfile.mkdtemp(prefix='bzr-limbo-')
 
1384
        TreeTransformBase.__init__(self, tree, limbodir, pb, case_sensitive)
1699
1385
 
1700
1386
    def canonical_path(self, path):
1701
1387
        return path
1725
1411
        file_id = self.tree_file_id(parent_id)
1726
1412
        if file_id is None:
1727
1413
            return
1728
 
        entry = self._tree.iter_entries_by_dir([file_id]).next()[1]
1729
 
        children = getattr(entry, 'children', {})
 
1414
        children = getattr(self._tree.inventory[file_id], 'children', {})
1730
1415
        for child in children:
1731
1416
            childpath = joinpath(path, child)
1732
1417
            yield self.trans_id_tree_path(childpath)
1740
1425
        self._final_paths = FinalPaths(transform)
1741
1426
        self.__by_parent = None
1742
1427
        self._parent_ids = []
1743
 
        self._all_children_cache = {}
1744
 
        self._path2trans_id_cache = {}
1745
 
        self._final_name_cache = {}
1746
 
        self._iter_changes_cache = dict((c[0], c) for c in
1747
 
                                        self._transform.iter_changes())
 
1428
 
 
1429
    def _changes(self, file_id):
 
1430
        for changes in self._transform.iter_changes():
 
1431
            if changes[0] == file_id:
 
1432
                return changes
1748
1433
 
1749
1434
    def _content_change(self, file_id):
1750
1435
        """Return True if the content of this file changed"""
1751
 
        changes = self._iter_changes_cache.get(file_id)
 
1436
        changes = self._changes(file_id)
1752
1437
        # changes[2] is true if the file content changed.  See
1753
1438
        # InterTree.iter_changes.
1754
1439
        return (changes is not None and changes[2])
1788
1473
            self.__by_parent = self._transform.by_parent()
1789
1474
        return self.__by_parent
1790
1475
 
1791
 
    def _comparison_data(self, entry, path):
1792
 
        kind, size, executable, link_or_sha1 = self.path_content_summary(path)
1793
 
        if kind == 'missing':
1794
 
            kind = None
1795
 
            executable = False
1796
 
        else:
1797
 
            file_id = self._transform.final_file_id(self._path2trans_id(path))
1798
 
            executable = self.is_executable(file_id, path)
1799
 
        return kind, executable, None
1800
 
 
1801
 
    def is_locked(self):
1802
 
        return False
1803
 
 
1804
1476
    def lock_read(self):
1805
1477
        # Perhaps in theory, this should lock the TreeTransform?
1806
 
        return self
 
1478
        pass
1807
1479
 
1808
1480
    def unlock(self):
1809
1481
        pass
1826
1498
    def __iter__(self):
1827
1499
        return iter(self.all_file_ids())
1828
1500
 
1829
 
    def _has_id(self, file_id, fallback_check):
1830
 
        if file_id in self._transform._r_new_id:
1831
 
            return True
1832
 
        elif file_id in set([self._transform.tree_file_id(trans_id) for
1833
 
            trans_id in self._transform._removed_id]):
1834
 
            return False
1835
 
        else:
1836
 
            return fallback_check(file_id)
1837
 
 
1838
 
    def has_id(self, file_id):
1839
 
        return self._has_id(file_id, self._transform._tree.has_id)
1840
 
 
1841
 
    def has_or_had_id(self, file_id):
1842
 
        return self._has_id(file_id, self._transform._tree.has_or_had_id)
 
1501
    def paths2ids(self, specific_files, trees=None, require_versioned=False):
 
1502
        """See Tree.paths2ids"""
 
1503
        to_find = set(specific_files)
 
1504
        result = set()
 
1505
        for (file_id, paths, changed, versioned, parent, name, kind,
 
1506
             executable) in self._transform.iter_changes():
 
1507
            if paths[1] in to_find:
 
1508
                result.append(file_id)
 
1509
                to_find.remove(paths[1])
 
1510
        result.update(self._transform._tree.paths2ids(to_find,
 
1511
                      trees=[], require_versioned=require_versioned))
 
1512
        return result
1843
1513
 
1844
1514
    def _path2trans_id(self, path):
1845
 
        # We must not use None here, because that is a valid value to store.
1846
 
        trans_id = self._path2trans_id_cache.get(path, object)
1847
 
        if trans_id is not object:
1848
 
            return trans_id
1849
1515
        segments = splitpath(path)
1850
1516
        cur_parent = self._transform.root
1851
1517
        for cur_segment in segments:
1852
1518
            for child in self._all_children(cur_parent):
1853
 
                final_name = self._final_name_cache.get(child)
1854
 
                if final_name is None:
1855
 
                    final_name = self._transform.final_name(child)
1856
 
                    self._final_name_cache[child] = final_name
1857
 
                if final_name == cur_segment:
 
1519
                if self._transform.final_name(child) == cur_segment:
1858
1520
                    cur_parent = child
1859
1521
                    break
1860
1522
            else:
1861
 
                self._path2trans_id_cache[path] = None
1862
1523
                return None
1863
 
        self._path2trans_id_cache[path] = cur_parent
1864
1524
        return cur_parent
1865
1525
 
1866
1526
    def path2id(self, path):
1874
1534
            raise errors.NoSuchId(self, file_id)
1875
1535
 
1876
1536
    def _all_children(self, trans_id):
1877
 
        children = self._all_children_cache.get(trans_id)
1878
 
        if children is not None:
1879
 
            return children
1880
1537
        children = set(self._transform.iter_tree_children(trans_id))
1881
1538
        # children in the _new_parent set are provided by _by_parent.
1882
1539
        children.difference_update(self._transform._new_parent.keys())
1883
1540
        children.update(self._by_parent.get(trans_id, []))
1884
 
        self._all_children_cache[trans_id] = children
1885
1541
        return children
1886
1542
 
1887
 
    def iter_children(self, file_id):
1888
 
        trans_id = self._transform.trans_id_file_id(file_id)
1889
 
        for child_trans_id in self._all_children(trans_id):
1890
 
            yield self._transform.final_file_id(child_trans_id)
1891
 
 
1892
 
    def extras(self):
1893
 
        possible_extras = set(self._transform.trans_id_tree_path(p) for p
1894
 
                              in self._transform._tree.extras())
1895
 
        possible_extras.update(self._transform._new_contents)
1896
 
        possible_extras.update(self._transform._removed_id)
1897
 
        for trans_id in possible_extras:
1898
 
            if self._transform.final_file_id(trans_id) is None:
1899
 
                yield self._final_paths._determine_path(trans_id)
1900
 
 
1901
 
    def _make_inv_entries(self, ordered_entries, specific_file_ids=None,
1902
 
        yield_parents=False):
 
1543
    def _make_inv_entries(self, ordered_entries, specific_file_ids):
1903
1544
        for trans_id, parent_file_id in ordered_entries:
1904
1545
            file_id = self._transform.final_file_id(trans_id)
1905
1546
            if file_id is None:
1917
1558
                parent_file_id, file_id)
1918
1559
            yield new_entry, trans_id
1919
1560
 
1920
 
    def _list_files_by_dir(self):
 
1561
    def iter_entries_by_dir(self, specific_file_ids=None):
 
1562
        # This may not be a maximally efficient implementation, but it is
 
1563
        # reasonably straightforward.  An implementation that grafts the
 
1564
        # TreeTransform changes onto the tree's iter_entries_by_dir results
 
1565
        # might be more efficient, but requires tricky inferences about stack
 
1566
        # position.
1921
1567
        todo = [ROOT_PARENT]
1922
1568
        ordered_ids = []
1923
1569
        while len(todo) > 0:
1929
1575
            todo.extend(reversed(children))
1930
1576
            for trans_id in children:
1931
1577
                ordered_ids.append((trans_id, parent_file_id))
1932
 
        return ordered_ids
1933
 
 
1934
 
    def iter_entries_by_dir(self, specific_file_ids=None, yield_parents=False):
1935
 
        # This may not be a maximally efficient implementation, but it is
1936
 
        # reasonably straightforward.  An implementation that grafts the
1937
 
        # TreeTransform changes onto the tree's iter_entries_by_dir results
1938
 
        # might be more efficient, but requires tricky inferences about stack
1939
 
        # position.
1940
 
        ordered_ids = self._list_files_by_dir()
1941
1578
        for entry, trans_id in self._make_inv_entries(ordered_ids,
1942
 
            specific_file_ids, yield_parents=yield_parents):
1943
 
            yield unicode(self._final_paths.get_path(trans_id)), entry
1944
 
 
1945
 
    def _iter_entries_for_dir(self, dir_path):
1946
 
        """Return path, entry for items in a directory without recursing down."""
1947
 
        dir_file_id = self.path2id(dir_path)
1948
 
        ordered_ids = []
1949
 
        for file_id in self.iter_children(dir_file_id):
1950
 
            trans_id = self._transform.trans_id_file_id(file_id)
1951
 
            ordered_ids.append((trans_id, file_id))
1952
 
        for entry, trans_id in self._make_inv_entries(ordered_ids):
1953
 
            yield unicode(self._final_paths.get_path(trans_id)), entry
1954
 
 
1955
 
    def list_files(self, include_root=False, from_dir=None, recursive=True):
1956
 
        """See WorkingTree.list_files."""
1957
 
        # XXX This should behave like WorkingTree.list_files, but is really
1958
 
        # more like RevisionTree.list_files.
1959
 
        if recursive:
1960
 
            prefix = None
1961
 
            if from_dir:
1962
 
                prefix = from_dir + '/'
1963
 
            entries = self.iter_entries_by_dir()
1964
 
            for path, entry in entries:
1965
 
                if entry.name == '' and not include_root:
1966
 
                    continue
1967
 
                if prefix:
1968
 
                    if not path.startswith(prefix):
1969
 
                        continue
1970
 
                    path = path[len(prefix):]
1971
 
                yield path, 'V', entry.kind, entry.file_id, entry
1972
 
        else:
1973
 
            if from_dir is None and include_root is True:
1974
 
                root_entry = inventory.make_entry('directory', '',
1975
 
                    ROOT_PARENT, self.get_root_id())
1976
 
                yield '', 'V', 'directory', root_entry.file_id, root_entry
1977
 
            entries = self._iter_entries_for_dir(from_dir or '')
1978
 
            for path, entry in entries:
1979
 
                yield path, 'V', entry.kind, entry.file_id, entry
 
1579
                                                      specific_file_ids):
 
1580
            yield unicode(self._final_paths.get_path(trans_id)), entry
1980
1581
 
1981
1582
    def kind(self, file_id):
1982
1583
        trans_id = self._transform.trans_id_file_id(file_id)
1992
1593
    def get_file_mtime(self, file_id, path=None):
1993
1594
        """See Tree.get_file_mtime"""
1994
1595
        if not self._content_change(file_id):
1995
 
            return self._transform._tree.get_file_mtime(file_id)
 
1596
            return self._transform._tree.get_file_mtime(file_id, path)
1996
1597
        return self._stat_limbo_file(file_id).st_mtime
1997
1598
 
1998
 
    def _file_size(self, entry, stat_value):
1999
 
        return self.get_file_size(entry.file_id)
2000
 
 
2001
1599
    def get_file_size(self, file_id):
2002
1600
        """See Tree.get_file_size"""
2003
1601
        if self.kind(file_id) == 'file':
2006
1604
            return None
2007
1605
 
2008
1606
    def get_file_sha1(self, file_id, path=None, stat_value=None):
2009
 
        trans_id = self._transform.trans_id_file_id(file_id)
2010
 
        kind = self._transform._new_contents.get(trans_id)
2011
 
        if kind is None:
2012
 
            return self._transform._tree.get_file_sha1(file_id)
2013
 
        if kind == 'file':
2014
 
            fileobj = self.get_file(file_id)
2015
 
            try:
2016
 
                return sha_file(fileobj)
2017
 
            finally:
2018
 
                fileobj.close()
 
1607
        return self._transform._tree.get_file_sha1(file_id)
2019
1608
 
2020
1609
    def is_executable(self, file_id, path=None):
2021
 
        if file_id is None:
2022
 
            return False
2023
1610
        trans_id = self._transform.trans_id_file_id(file_id)
2024
1611
        try:
2025
1612
            return self._transform._new_executability[trans_id]
2026
1613
        except KeyError:
2027
 
            try:
2028
 
                return self._transform._tree.is_executable(file_id, path)
2029
 
            except OSError, e:
2030
 
                if e.errno == errno.ENOENT:
2031
 
                    return False
2032
 
                raise
2033
 
            except errors.NoSuchId:
2034
 
                return False
 
1614
            return self._transform._tree.is_executable(file_id, path)
2035
1615
 
2036
1616
    def path_content_summary(self, path):
2037
1617
        trans_id = self._path2trans_id(path)
2052
1632
                statval = os.lstat(limbo_name)
2053
1633
                size = statval.st_size
2054
1634
                if not supports_executable():
2055
 
                    executable = False
 
1635
                    executable = None
2056
1636
                else:
2057
1637
                    executable = statval.st_mode & S_IEXEC
2058
1638
            else:
2059
1639
                size = None
2060
1640
                executable = None
2061
1641
            if kind == 'symlink':
2062
 
                link_or_sha1 = os.readlink(limbo_name).decode(osutils._fs_enc)
2063
 
        executable = tt._new_executability.get(trans_id, executable)
 
1642
                link_or_sha1 = os.readlink(limbo_name)
 
1643
        if supports_executable():
 
1644
            executable = tt._new_executability.get(trans_id, executable)
2064
1645
        return kind, size, executable, link_or_sha1
2065
1646
 
2066
1647
    def iter_changes(self, from_tree, include_unchanged=False,
2068
1649
                      require_versioned=True, want_unversioned=False):
2069
1650
        """See InterTree.iter_changes.
2070
1651
 
2071
 
        This has a fast path that is only used when the from_tree matches
2072
 
        the transform tree, and no fancy options are supplied.
 
1652
        This implementation does not support include_unchanged, specific_files,
 
1653
        or want_unversioned.  extra_trees, require_versioned, and pb are
 
1654
        ignored.
2073
1655
        """
2074
 
        if (from_tree is not self._transform._tree or include_unchanged or
2075
 
            specific_files or want_unversioned):
2076
 
            return tree.InterTree(from_tree, self).iter_changes(
2077
 
                include_unchanged=include_unchanged,
2078
 
                specific_files=specific_files,
2079
 
                pb=pb,
2080
 
                extra_trees=extra_trees,
2081
 
                require_versioned=require_versioned,
2082
 
                want_unversioned=want_unversioned)
 
1656
        if from_tree is not self._transform._tree:
 
1657
            raise ValueError('from_tree must be transform source tree.')
 
1658
        if include_unchanged:
 
1659
            raise ValueError('include_unchanged is not supported')
 
1660
        if specific_files is not None:
 
1661
            raise ValueError('specific_files is not supported')
2083
1662
        if want_unversioned:
2084
1663
            raise ValueError('want_unversioned is not supported')
2085
1664
        return self._transform.iter_changes()
2092
1671
        name = self._transform._limbo_name(trans_id)
2093
1672
        return open(name, 'rb')
2094
1673
 
2095
 
    def get_file_with_stat(self, file_id, path=None):
2096
 
        return self.get_file(file_id, path), None
 
1674
    def get_file_text(self, file_id):
 
1675
        text_file = self.get_file(file_id)
 
1676
        try:
 
1677
            return text_file.read()
 
1678
        finally:
 
1679
            text_file.close()
2097
1680
 
2098
1681
    def annotate_iter(self, file_id,
2099
1682
                      default_revision=_mod_revision.CURRENT_REVISION):
2100
 
        changes = self._iter_changes_cache.get(file_id)
 
1683
        changes = self._changes(file_id)
2101
1684
        if changes is None:
2102
1685
            get_old = True
2103
1686
        else:
2115
1698
            return old_annotation
2116
1699
        if not changed_content:
2117
1700
            return old_annotation
2118
 
        # TODO: This is doing something similar to what WT.annotate_iter is
2119
 
        #       doing, however it fails slightly because it doesn't know what
2120
 
        #       the *other* revision_id is, so it doesn't know how to give the
2121
 
        #       other as the origin for some lines, they all get
2122
 
        #       'default_revision'
2123
 
        #       It would be nice to be able to use the new Annotator based
2124
 
        #       approach, as well.
2125
1701
        return annotate.reannotate([old_annotation],
2126
1702
                                   self.get_file(file_id).readlines(),
2127
1703
                                   default_revision)
2132
1708
            return self._transform._tree.get_symlink_target(file_id)
2133
1709
        trans_id = self._transform.trans_id_file_id(file_id)
2134
1710
        name = self._transform._limbo_name(trans_id)
2135
 
        return osutils.readlink(name)
2136
 
 
2137
 
    def walkdirs(self, prefix=''):
2138
 
        pending = [self._transform.root]
2139
 
        while len(pending) > 0:
2140
 
            parent_id = pending.pop()
2141
 
            children = []
2142
 
            subdirs = []
2143
 
            prefix = prefix.rstrip('/')
2144
 
            parent_path = self._final_paths.get_path(parent_id)
2145
 
            parent_file_id = self._transform.final_file_id(parent_id)
2146
 
            for child_id in self._all_children(parent_id):
2147
 
                path_from_root = self._final_paths.get_path(child_id)
2148
 
                basename = self._transform.final_name(child_id)
2149
 
                file_id = self._transform.final_file_id(child_id)
2150
 
                try:
2151
 
                    kind = self._transform.final_kind(child_id)
2152
 
                    versioned_kind = kind
2153
 
                except NoSuchFile:
2154
 
                    kind = 'unknown'
2155
 
                    versioned_kind = self._transform._tree.stored_kind(file_id)
2156
 
                if versioned_kind == 'directory':
2157
 
                    subdirs.append(child_id)
2158
 
                children.append((path_from_root, basename, kind, None,
2159
 
                                 file_id, versioned_kind))
2160
 
            children.sort()
2161
 
            if parent_path.startswith(prefix):
2162
 
                yield (parent_path, parent_file_id), children
2163
 
            pending.extend(sorted(subdirs, key=self._final_paths.get_path,
2164
 
                                  reverse=True))
 
1711
        return os.readlink(name)
 
1712
 
 
1713
    def list_files(self, include_root=False):
 
1714
        return self._transform._tree.list_files(include_root)
 
1715
 
 
1716
    def walkdirs(self, prefix=""):
 
1717
        return self._transform._tree.walkdirs(prefix)
2165
1718
 
2166
1719
    def get_parent_ids(self):
2167
1720
        return self._parent_ids
2193
1746
        self.transform = transform
2194
1747
 
2195
1748
    def _determine_path(self, trans_id):
2196
 
        if (trans_id == self.transform.root or trans_id == ROOT_PARENT):
 
1749
        if trans_id == self.transform.root:
2197
1750
            return ""
2198
1751
        name = self.transform.final_name(trans_id)
2199
1752
        parent_id = self.transform.final_parent(trans_id)
2223
1776
def build_tree(tree, wt, accelerator_tree=None, hardlink=False,
2224
1777
               delta_from_tree=False):
2225
1778
    """Create working tree for a branch, using a TreeTransform.
2226
 
 
 
1779
    
2227
1780
    This function should be used on empty trees, having a tree root at most.
2228
1781
    (see merge and revert functionality for working with existing trees)
2229
1782
 
2230
1783
    Existing files are handled like so:
2231
 
 
 
1784
    
2232
1785
    - Existing bzrdirs take precedence over creating new items.  They are
2233
1786
      created as '%s.diverted' % name.
2234
1787
    - Otherwise, if the content on disk matches the content we are building,
2336
1889
                    executable = tree.is_executable(file_id, tree_path)
2337
1890
                    if executable:
2338
1891
                        tt.set_executability(executable, trans_id)
2339
 
                    trans_data = (trans_id, tree_path)
2340
 
                    deferred_contents.append((file_id, trans_data))
 
1892
                    deferred_contents.append((file_id, trans_id))
2341
1893
                else:
2342
1894
                    file_trans_id[file_id] = new_by_entry(tt, entry, parent_id,
2343
1895
                                                          tree)
2374
1926
def _create_files(tt, tree, desired_files, pb, offset, accelerator_tree,
2375
1927
                  hardlink):
2376
1928
    total = len(desired_files) + offset
2377
 
    wt = tt._tree
2378
1929
    if accelerator_tree is None:
2379
1930
        new_desired_files = desired_files
2380
1931
    else:
2381
1932
        iter = accelerator_tree.iter_changes(tree, include_unchanged=True)
2382
 
        unchanged = [(f, p[1]) for (f, p, c, v, d, n, k, e)
2383
 
                     in iter if not (c or e[0] != e[1])]
2384
 
        if accelerator_tree.supports_content_filtering():
2385
 
            unchanged = [(f, p) for (f, p) in unchanged
2386
 
                         if not accelerator_tree.iter_search_rules([p]).next()]
2387
 
        unchanged = dict(unchanged)
 
1933
        unchanged = dict((f, p[1]) for (f, p, c, v, d, n, k, e)
 
1934
                         in iter if not (c or e[0] != e[1]))
2388
1935
        new_desired_files = []
2389
1936
        count = 0
2390
 
        for file_id, (trans_id, tree_path) in desired_files:
 
1937
        for file_id, trans_id in desired_files:
2391
1938
            accelerator_path = unchanged.get(file_id)
2392
1939
            if accelerator_path is None:
2393
 
                new_desired_files.append((file_id, (trans_id, tree_path)))
 
1940
                new_desired_files.append((file_id, trans_id))
2394
1941
                continue
2395
1942
            pb.update('Adding file contents', count + offset, total)
2396
1943
            if hardlink:
2398
1945
                                   trans_id)
2399
1946
            else:
2400
1947
                contents = accelerator_tree.get_file(file_id, accelerator_path)
2401
 
                if wt.supports_content_filtering():
2402
 
                    filters = wt._content_filter_stack(tree_path)
2403
 
                    contents = filtered_output_bytes(contents, filters,
2404
 
                        ContentFilterContext(tree_path, tree))
2405
1948
                try:
2406
1949
                    tt.create_file(contents, trans_id)
2407
1950
                finally:
2408
 
                    try:
2409
 
                        contents.close()
2410
 
                    except AttributeError:
2411
 
                        # after filtering, contents may no longer be file-like
2412
 
                        pass
 
1951
                    contents.close()
2413
1952
            count += 1
2414
1953
        offset += count
2415
 
    for count, ((trans_id, tree_path), contents) in enumerate(
2416
 
            tree.iter_files_bytes(new_desired_files)):
2417
 
        if wt.supports_content_filtering():
2418
 
            filters = wt._content_filter_stack(tree_path)
2419
 
            contents = filtered_output_bytes(contents, filters,
2420
 
                ContentFilterContext(tree_path, tree))
 
1954
    for count, (trans_id, contents) in enumerate(tree.iter_files_bytes(
 
1955
                                                 new_desired_files)):
2421
1956
        tt.create_file(contents, trans_id)
2422
1957
        pb.update('Adding file contents', count + offset, total)
2423
1958
 
2483
2018
    if kind == 'file':
2484
2019
        contents = tree.get_file(entry.file_id).readlines()
2485
2020
        executable = tree.is_executable(entry.file_id)
2486
 
        return tt.new_file(name, parent_id, contents, entry.file_id,
 
2021
        return tt.new_file(name, parent_id, contents, entry.file_id, 
2487
2022
                           executable)
2488
2023
    elif kind in ('directory', 'tree-reference'):
2489
2024
        trans_id = tt.new_directory(name, parent_id, entry.file_id)
2490
2025
        if kind == 'tree-reference':
2491
2026
            tt.set_tree_reference(entry.reference_revision, trans_id)
2492
 
        return trans_id
 
2027
        return trans_id 
2493
2028
    elif kind == 'symlink':
2494
2029
        target = tree.get_symlink_target(entry.file_id)
2495
2030
        return tt.new_symlink(name, parent_id, target, entry.file_id)
2497
2032
        raise errors.BadFileKindError(name, kind)
2498
2033
 
2499
2034
 
2500
 
@deprecated_function(deprecated_in((1, 9, 0)))
2501
2035
def create_by_entry(tt, entry, tree, trans_id, lines=None, mode_id=None):
2502
 
    """Create new file contents according to an inventory entry.
2503
 
 
2504
 
    DEPRECATED.  Use create_from_tree instead.
2505
 
    """
 
2036
    """Create new file contents according to an inventory entry."""
2506
2037
    if entry.kind == "file":
2507
2038
        if lines is None:
2508
2039
            lines = tree.get_file(entry.file_id).readlines()
2513
2044
        tt.create_directory(trans_id)
2514
2045
 
2515
2046
 
2516
 
def create_from_tree(tt, trans_id, tree, file_id, bytes=None,
2517
 
    filter_tree_path=None):
2518
 
    """Create new file contents according to tree contents.
2519
 
    
2520
 
    :param filter_tree_path: the tree path to use to lookup
2521
 
      content filters to apply to the bytes output in the working tree.
2522
 
      This only applies if the working tree supports content filtering.
2523
 
    """
2524
 
    kind = tree.kind(file_id)
2525
 
    if kind == 'directory':
2526
 
        tt.create_directory(trans_id)
2527
 
    elif kind == "file":
2528
 
        if bytes is None:
2529
 
            tree_file = tree.get_file(file_id)
2530
 
            try:
2531
 
                bytes = tree_file.readlines()
2532
 
            finally:
2533
 
                tree_file.close()
2534
 
        wt = tt._tree
2535
 
        if wt.supports_content_filtering() and filter_tree_path is not None:
2536
 
            filters = wt._content_filter_stack(filter_tree_path)
2537
 
            bytes = filtered_output_bytes(bytes, filters,
2538
 
                ContentFilterContext(filter_tree_path, tree))
2539
 
        tt.create_file(bytes, trans_id)
2540
 
    elif kind == "symlink":
2541
 
        tt.create_symlink(tree.get_symlink_target(file_id), trans_id)
2542
 
    else:
2543
 
        raise AssertionError('Unknown kind %r' % kind)
2544
 
 
2545
 
 
2546
2047
def create_entry_executability(tt, entry, trans_id):
2547
2048
    """Set the executability of a trans_id according to an inventory entry"""
2548
2049
    if entry.kind == "file":
2585
2086
        if entry.kind != working_kind:
2586
2087
            contents_mod, meta_mod = True, False
2587
2088
        else:
2588
 
            cur_entry._read_tree_state(working_tree.id2path(file_id),
 
2089
            cur_entry._read_tree_state(working_tree.id2path(file_id), 
2589
2090
                                       working_tree)
2590
2091
            contents_mod, meta_mod = entry.detect_changes(cur_entry)
2591
2092
            cur_entry._forget_tree_state()
2593
2094
 
2594
2095
 
2595
2096
def revert(working_tree, target_tree, filenames, backups=False,
2596
 
           pb=None, change_reporter=None):
 
2097
           pb=DummyProgress(), change_reporter=None):
2597
2098
    """Revert a working tree's contents to those of a target tree."""
2598
2099
    target_tree.lock_read()
2599
 
    pb = ui.ui_factory.nested_progress_bar()
2600
2100
    tt = TreeTransform(working_tree, pb)
2601
2101
    try:
2602
2102
        pp = ProgressPhase("Revert phase", 3, pb)
2603
 
        conflicts, merge_modified = _prepare_revert_transform(
2604
 
            working_tree, target_tree, tt, filenames, backups, pp)
 
2103
        pp.next_phase()
 
2104
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
 
2105
        try:
 
2106
            merge_modified = _alter_files(working_tree, target_tree, tt,
 
2107
                                          child_pb, filenames, backups)
 
2108
        finally:
 
2109
            child_pb.finished()
 
2110
        pp.next_phase()
 
2111
        child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
 
2112
        try:
 
2113
            raw_conflicts = resolve_conflicts(tt, child_pb,
 
2114
                lambda t, c: conflict_pass(t, c, target_tree))
 
2115
        finally:
 
2116
            child_pb.finished()
 
2117
        conflicts = cook_conflicts(raw_conflicts, tt)
2605
2118
        if change_reporter:
2606
2119
            change_reporter = delta._ChangeReporter(
2607
2120
                unversioned_filter=working_tree.is_ignored)
2618
2131
    return conflicts
2619
2132
 
2620
2133
 
2621
 
def _prepare_revert_transform(working_tree, target_tree, tt, filenames,
2622
 
                              backups, pp, basis_tree=None,
2623
 
                              merge_modified=None):
2624
 
    child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2625
 
    try:
2626
 
        if merge_modified is None:
2627
 
            merge_modified = working_tree.merge_modified()
2628
 
        merge_modified = _alter_files(working_tree, target_tree, tt,
2629
 
                                      child_pb, filenames, backups,
2630
 
                                      merge_modified, basis_tree)
2631
 
    finally:
2632
 
        child_pb.finished()
2633
 
    child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2634
 
    try:
2635
 
        raw_conflicts = resolve_conflicts(tt, child_pb,
2636
 
            lambda t, c: conflict_pass(t, c, target_tree))
2637
 
    finally:
2638
 
        child_pb.finished()
2639
 
    conflicts = cook_conflicts(raw_conflicts, tt)
2640
 
    return conflicts, merge_modified
2641
 
 
2642
 
 
2643
2134
def _alter_files(working_tree, target_tree, tt, pb, specific_files,
2644
 
                 backups, merge_modified, basis_tree=None):
2645
 
    if basis_tree is not None:
2646
 
        basis_tree.lock_read()
 
2135
                 backups):
 
2136
    merge_modified = working_tree.merge_modified()
2647
2137
    change_list = target_tree.iter_changes(working_tree,
2648
2138
        specific_files=specific_files, pb=pb)
2649
 
    if target_tree.get_root_id() is None:
 
2139
    if target_tree.inventory.root is None:
2650
2140
        skip_root = True
2651
2141
    else:
2652
2142
        skip_root = False
 
2143
    basis_tree = None
2653
2144
    try:
2654
2145
        deferred_files = []
2655
2146
        for id_num, (file_id, path, changed_content, versioned, parent, name,
2691
2182
                        # contents
2692
2183
                        mode_id = trans_id
2693
2184
                        trans_id = new_trans_id
2694
 
                if kind[1] in ('directory', 'tree-reference'):
 
2185
                if kind[1] == 'directory':
2695
2186
                    tt.create_directory(trans_id)
2696
 
                    if kind[1] == 'tree-reference':
2697
 
                        revision = target_tree.get_reference_revision(file_id,
2698
 
                                                                      path[1])
2699
 
                        tt.set_tree_reference(revision, trans_id)
2700
2187
                elif kind[1] == 'symlink':
2701
2188
                    tt.create_symlink(target_tree.get_symlink_target(file_id),
2702
2189
                                      trans_id)
2722
2209
                tt.version_file(file_id, trans_id)
2723
2210
            if versioned == (True, False):
2724
2211
                tt.unversion_file(trans_id)
2725
 
            if (name[1] is not None and
 
2212
            if (name[1] is not None and 
2726
2213
                (name[0] != name[1] or parent[0] != parent[1])):
2727
 
                if name[1] == '' and parent[1] is None:
2728
 
                    parent_trans = ROOT_PARENT
2729
 
                else:
2730
 
                    parent_trans = tt.trans_id_file_id(parent[1])
2731
 
                if parent[0] is None and versioned[0]:
2732
 
                    tt.adjust_root_path(name[1], parent_trans)
2733
 
                else:
2734
 
                    tt.adjust_path(name[1], parent_trans, trans_id)
 
2214
                tt.adjust_path(
 
2215
                    name[1], tt.trans_id_file_id(parent[1]), trans_id)
2735
2216
            if executable[0] != executable[1] and kind[1] == "file":
2736
2217
                tt.set_executability(executable[1], trans_id)
2737
 
        if working_tree.supports_content_filtering():
2738
 
            for index, ((trans_id, mode_id), bytes) in enumerate(
2739
 
                target_tree.iter_files_bytes(deferred_files)):
2740
 
                file_id = deferred_files[index][0]
2741
 
                # We're reverting a tree to the target tree so using the
2742
 
                # target tree to find the file path seems the best choice
2743
 
                # here IMO - Ian C 27/Oct/2009
2744
 
                filter_tree_path = target_tree.id2path(file_id)
2745
 
                filters = working_tree._content_filter_stack(filter_tree_path)
2746
 
                bytes = filtered_output_bytes(bytes, filters,
2747
 
                    ContentFilterContext(filter_tree_path, working_tree))
2748
 
                tt.create_file(bytes, trans_id, mode_id)
2749
 
        else:
2750
 
            for (trans_id, mode_id), bytes in target_tree.iter_files_bytes(
2751
 
                deferred_files):
2752
 
                tt.create_file(bytes, trans_id, mode_id)
2753
 
        tt.fixup_new_roots()
 
2218
        for (trans_id, mode_id), bytes in target_tree.iter_files_bytes(
 
2219
            deferred_files):
 
2220
            tt.create_file(bytes, trans_id, mode_id)
2754
2221
    finally:
2755
2222
        if basis_tree is not None:
2756
2223
            basis_tree.unlock()
2757
2224
    return merge_modified
2758
2225
 
2759
2226
 
2760
 
def resolve_conflicts(tt, pb=None, pass_func=None):
 
2227
def resolve_conflicts(tt, pb=DummyProgress(), pass_func=None):
2761
2228
    """Make many conflict-resolution attempts, but die if they fail"""
2762
2229
    if pass_func is None:
2763
2230
        pass_func = conflict_pass
2764
2231
    new_conflicts = set()
2765
 
    pb = ui.ui_factory.nested_progress_bar()
2766
2232
    try:
2767
2233
        for n in range(10):
2768
2234
            pb.update('Resolution pass', n+1, 10)
2772
2238
            new_conflicts.update(pass_func(tt, conflicts))
2773
2239
        raise MalformedTransform(conflicts=conflicts)
2774
2240
    finally:
2775
 
        pb.finished()
 
2241
        pb.clear()
2776
2242
 
2777
2243
 
2778
2244
def conflict_pass(tt, conflicts, path_tree=None):
2797
2263
                existing_file, new_file = conflict[1], conflict[2]
2798
2264
            new_name = tt.final_name(existing_file)+'.moved'
2799
2265
            tt.adjust_path(new_name, final_parent, existing_file)
2800
 
            new_conflicts.add((c_type, 'Moved existing file to',
 
2266
            new_conflicts.add((c_type, 'Moved existing file to', 
2801
2267
                               existing_file, new_file))
2802
2268
        elif c_type == 'parent loop':
2803
2269
            # break the loop by undoing one of the ops that caused the loop
2807
2273
            new_conflicts.add((c_type, 'Cancelled move', cur,
2808
2274
                               tt.final_parent(cur),))
2809
2275
            tt.adjust_path(tt.final_name(cur), tt.get_tree_parent(cur), cur)
2810
 
 
 
2276
            
2811
2277
        elif c_type == 'missing parent':
2812
2278
            trans_id = conflict[1]
2813
2279
            try:
2814
2280
                tt.cancel_deletion(trans_id)
2815
 
                new_conflicts.add(('deleting parent', 'Not deleting',
 
2281
                new_conflicts.add(('deleting parent', 'Not deleting', 
2816
2282
                                   trans_id))
2817
2283
            except KeyError:
2818
2284
                create = True
2827
2293
                        # special-case the other tree root (move its
2828
2294
                        # children to current root)
2829
2295
                        if entry.parent_id is None:
2830
 
                            create = False
 
2296
                            create=False
2831
2297
                            moved = _reparent_transform_children(
2832
2298
                                tt, trans_id, tt.root)
2833
2299
                            for child in moved:
2860
2326
            if parent_file_id is not None:
2861
2327
                tt.unversion_file(parent_id)
2862
2328
            new_conflicts.add((c_type, 'Created directory', new_parent_id))
2863
 
        elif c_type == 'versioning no contents':
2864
 
            tt.cancel_versioning(conflict[1])
2865
2329
    return new_conflicts
2866
2330
 
2867
2331
 
2883
2347
        if len(conflict) == 3:
2884
2348
            yield Conflict.factory(c_type, action=action, path=modified_path,
2885
2349
                                     file_id=modified_id)
2886
 
 
 
2350
             
2887
2351
        else:
2888
2352
            conflicting_path = fp.get_path(conflict[3])
2889
2353
            conflicting_id = tt.final_file_id(conflict[3])
2890
2354
            yield Conflict.factory(c_type, action=action, path=modified_path,
2891
 
                                   file_id=modified_id,
 
2355
                                   file_id=modified_id, 
2892
2356
                                   conflict_path=conflicting_path,
2893
2357
                                   conflict_file_id=conflicting_id)
2894
2358
 
2901
2365
        self.pending_deletions = []
2902
2366
 
2903
2367
    def rename(self, from_, to):
2904
 
        """Rename a file from one path to another."""
 
2368
        """Rename a file from one path to another.  Functions like os.rename"""
2905
2369
        try:
2906
 
            osutils.rename(from_, to)
 
2370
            os.rename(from_, to)
2907
2371
        except OSError, e:
2908
2372
            if e.errno in (errno.EEXIST, errno.ENOTEMPTY):
2909
2373
                raise errors.FileExists(to, str(e))
2923
2387
    def rollback(self):
2924
2388
        """Reverse all renames that have been performed"""
2925
2389
        for from_, to in reversed(self.past_renames):
2926
 
            osutils.rename(to, from_)
 
2390
            os.rename(to, from_)
2927
2391
        # after rollback, don't reuse _FileMover
2928
2392
        past_renames = None
2929
2393
        pending_deletions = None