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  • Committer: Robert Collins
  • Date: 2009-08-24 21:05:09 UTC
  • mto: This revision was merged to the branch mainline in revision 4645.
  • Revision ID: robertc@robertcollins.net-20090824210509-pproia2q9evq1nsl
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bzrlib/commit.py
1
 
# Copyright (C) 2005-2011 Canonical Ltd
 
1
# Copyright (C) 2005, 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
49
49
# TODO: Change the parameter 'rev_id' to 'revision_id' to be consistent with
50
50
# the rest of the code; add a deprecation of the old name.
51
51
 
 
52
import os
 
53
import re
 
54
import sys
 
55
import time
 
56
 
 
57
from cStringIO import StringIO
 
58
 
52
59
from bzrlib import (
53
60
    debug,
54
61
    errors,
55
62
    revision,
56
63
    trace,
57
64
    tree,
58
 
    ui,
 
65
    xml_serializer,
59
66
    )
60
67
from bzrlib.branch import Branch
61
 
from bzrlib.cleanup import OperationWithCleanups
62
68
import bzrlib.config
63
69
from bzrlib.errors import (BzrError, PointlessCommit,
64
70
                           ConflictsInTree,
65
71
                           StrictCommitFailed
66
72
                           )
67
73
from bzrlib.osutils import (get_user_encoding,
68
 
                            is_inside_any,
 
74
                            kind_marker, isdir,isfile, is_inside_any,
 
75
                            is_inside_or_parent_of_any,
69
76
                            minimum_path_selection,
 
77
                            quotefn, sha_file, split_lines,
70
78
                            splitpath,
71
79
                            )
72
 
from bzrlib.trace import mutter, note, is_quiet
 
80
from bzrlib.testament import Testament
 
81
from bzrlib.trace import mutter, note, warning, is_quiet
73
82
from bzrlib.inventory import Inventory, InventoryEntry, make_entry
74
83
from bzrlib import symbol_versioning
 
84
from bzrlib.symbol_versioning import (deprecated_passed,
 
85
        deprecated_function,
 
86
        DEPRECATED_PARAMETER)
 
87
from bzrlib.workingtree import WorkingTree
75
88
from bzrlib.urlutils import unescape_for_display
 
89
import bzrlib.ui
76
90
 
77
91
 
78
92
class NullCommitReporter(object):
132
146
 
133
147
    def completed(self, revno, rev_id):
134
148
        self._note('Committed revision %d.', revno)
135
 
        # self._note goes to the console too; so while we want to log the
136
 
        # rev_id, we can't trivially only log it. (See bug 526425). Long
137
 
        # term we should rearrange the reporting structure, but for now
138
 
        # we just mutter seperately. We mutter the revid and revno together
139
 
        # so that concurrent bzr invocations won't lead to confusion.
140
 
        mutter('Committed revid %s as revno %d.', rev_id, revno)
141
149
 
142
150
    def deleted(self, path):
143
151
        self._note('deleted %s', path)
174
182
        self.reporter = reporter
175
183
        self.config = config
176
184
 
177
 
    @staticmethod
178
 
    def update_revprops(revprops, branch, authors=None, author=None,
179
 
                        local=False, possible_master_transports=None):
180
 
        if revprops is None:
181
 
            revprops = {}
182
 
        if possible_master_transports is None:
183
 
            possible_master_transports = []
184
 
        if not 'branch-nick' in revprops:
185
 
            revprops['branch-nick'] = branch._get_nick(
186
 
                local,
187
 
                possible_master_transports)
188
 
        if authors is not None:
189
 
            if author is not None:
190
 
                raise AssertionError('Specifying both author and authors '
191
 
                        'is not allowed. Specify just authors instead')
192
 
            if 'author' in revprops or 'authors' in revprops:
193
 
                # XXX: maybe we should just accept one of them?
194
 
                raise AssertionError('author property given twice')
195
 
            if authors:
196
 
                for individual in authors:
197
 
                    if '\n' in individual:
198
 
                        raise AssertionError('\\n is not a valid character '
199
 
                                'in an author identity')
200
 
                revprops['authors'] = '\n'.join(authors)
201
 
        if author is not None:
202
 
            symbol_versioning.warn('The parameter author was deprecated'
203
 
                   ' in version 1.13. Use authors instead',
204
 
                   DeprecationWarning)
205
 
            if 'author' in revprops or 'authors' in revprops:
206
 
                # XXX: maybe we should just accept one of them?
207
 
                raise AssertionError('author property given twice')
208
 
            if '\n' in author:
209
 
                raise AssertionError('\\n is not a valid character '
210
 
                        'in an author identity')
211
 
            revprops['authors'] = author
212
 
        return revprops
213
 
 
214
185
    def commit(self,
215
186
               message=None,
216
187
               timestamp=None,
238
209
        :param timestamp: if not None, seconds-since-epoch for a
239
210
            postdated/predated commit.
240
211
 
241
 
        :param specific_files: If not None, commit only those files. An empty
242
 
            list means 'commit no files'.
 
212
        :param specific_files: If true, commit only those files.
243
213
 
244
214
        :param rev_id: If set, use this as the new revision id.
245
215
            Useful for test or import commands that need to tightly
263
233
            commit. Pending changes to excluded files will be ignored by the
264
234
            commit.
265
235
        """
266
 
        operation = OperationWithCleanups(self._commit)
267
 
        self.revprops = revprops or {}
268
 
        # XXX: Can be set on __init__ or passed in - this is a bit ugly.
269
 
        self.config = config or self.config
270
 
        return operation.run(
271
 
               message=message,
272
 
               timestamp=timestamp,
273
 
               timezone=timezone,
274
 
               committer=committer,
275
 
               specific_files=specific_files,
276
 
               rev_id=rev_id,
277
 
               allow_pointless=allow_pointless,
278
 
               strict=strict,
279
 
               verbose=verbose,
280
 
               working_tree=working_tree,
281
 
               local=local,
282
 
               reporter=reporter,
283
 
               message_callback=message_callback,
284
 
               recursive=recursive,
285
 
               exclude=exclude,
286
 
               possible_master_transports=possible_master_transports)
287
 
 
288
 
    def _commit(self, operation, message, timestamp, timezone, committer,
289
 
            specific_files, rev_id, allow_pointless, strict, verbose,
290
 
            working_tree, local, reporter, message_callback, recursive,
291
 
            exclude, possible_master_transports):
292
236
        mutter('preparing to commit')
293
237
 
294
238
        if working_tree is None:
317
261
            self.exclude = []
318
262
        self.local = local
319
263
        self.master_branch = None
 
264
        self.master_locked = False
320
265
        self.recursive = recursive
321
266
        self.rev_id = None
322
 
        # self.specific_files is None to indicate no filter, or any iterable to
323
 
        # indicate a filter - [] means no files at all, as per iter_changes.
324
267
        if specific_files is not None:
325
268
            self.specific_files = sorted(
326
269
                minimum_path_selection(specific_files))
328
271
            self.specific_files = None
329
272
            
330
273
        self.allow_pointless = allow_pointless
 
274
        self.revprops = revprops
331
275
        self.message_callback = message_callback
332
276
        self.timestamp = timestamp
333
277
        self.timezone = timezone
336
280
        self.verbose = verbose
337
281
 
338
282
        self.work_tree.lock_write()
339
 
        operation.add_cleanup(self.work_tree.unlock)
340
283
        self.parents = self.work_tree.get_parent_ids()
341
284
        # We can use record_iter_changes IFF iter_changes is compatible with
342
285
        # the command line parameters, and the repository has fast delta
343
286
        # generation. See bug 347649.
344
287
        self.use_record_iter_changes = (
 
288
            not self.specific_files and
345
289
            not self.exclude and 
346
290
            not self.branch.repository._format.supports_tree_reference and
347
291
            (self.branch.repository._format.fast_deltas or
348
292
             len(self.parents) < 2))
349
 
        self.pb = ui.ui_factory.nested_progress_bar()
350
 
        operation.add_cleanup(self.pb.finished)
 
293
        self.pb = bzrlib.ui.ui_factory.nested_progress_bar()
351
294
        self.basis_revid = self.work_tree.last_revision()
352
295
        self.basis_tree = self.work_tree.basis_tree()
353
296
        self.basis_tree.lock_read()
354
 
        operation.add_cleanup(self.basis_tree.unlock)
355
 
        # Cannot commit with conflicts present.
356
 
        if len(self.work_tree.conflicts()) > 0:
357
 
            raise ConflictsInTree
358
 
 
359
 
        # Setup the bound branch variables as needed.
360
 
        self._check_bound_branch(operation, possible_master_transports)
361
 
 
362
 
        # Check that the working tree is up to date
363
 
        old_revno, new_revno = self._check_out_of_date_tree()
364
 
 
365
 
        # Complete configuration setup
366
 
        if reporter is not None:
367
 
            self.reporter = reporter
368
 
        elif self.reporter is None:
369
 
            self.reporter = self._select_reporter()
370
 
        if self.config is None:
371
 
            self.config = self.branch.get_config()
372
 
 
373
 
        self._set_specific_file_ids()
374
 
 
375
 
        # Setup the progress bar. As the number of files that need to be
376
 
        # committed in unknown, progress is reported as stages.
377
 
        # We keep track of entries separately though and include that
378
 
        # information in the progress bar during the relevant stages.
379
 
        self.pb_stage_name = ""
380
 
        self.pb_stage_count = 0
381
 
        self.pb_stage_total = 5
382
 
        if self.bound_branch:
383
 
            # 2 extra stages: "Uploading data to master branch" and "Merging
384
 
            # tags to master branch"
385
 
            self.pb_stage_total += 2
386
 
        self.pb.show_pct = False
387
 
        self.pb.show_spinner = False
388
 
        self.pb.show_eta = False
389
 
        self.pb.show_count = True
390
 
        self.pb.show_bar = True
391
 
 
392
 
        self._gather_parents()
393
 
        # After a merge, a selected file commit is not supported.
394
 
        # See 'bzr help merge' for an explanation as to why.
395
 
        if len(self.parents) > 1 and self.specific_files is not None:
396
 
            raise errors.CannotCommitSelectedFileMerge(self.specific_files)
397
 
        # Excludes are a form of selected file commit.
398
 
        if len(self.parents) > 1 and self.exclude:
399
 
            raise errors.CannotCommitSelectedFileMerge(self.exclude)
400
 
 
401
 
        # Collect the changes
402
 
        self._set_progress_stage("Collecting changes", counter=True)
403
 
        self.builder = self.branch.get_commit_builder(self.parents,
404
 
            self.config, timestamp, timezone, committer, self.revprops, rev_id)
405
 
 
406
297
        try:
407
 
            self.builder.will_record_deletes()
408
 
            # find the location being committed to
409
 
            if self.bound_branch:
410
 
                master_location = self.master_branch.base
411
 
            else:
412
 
                master_location = self.branch.base
413
 
 
414
 
            # report the start of the commit
415
 
            self.reporter.started(new_revno, self.rev_id, master_location)
416
 
 
417
 
            self._update_builder_with_changes()
418
 
            self._check_pointless()
419
 
 
420
 
            # TODO: Now the new inventory is known, check for conflicts.
421
 
            # ADHB 2006-08-08: If this is done, populate_new_inv should not add
422
 
            # weave lines, because nothing should be recorded until it is known
423
 
            # that commit will succeed.
424
 
            self._set_progress_stage("Saving data locally")
425
 
            self.builder.finish_inventory()
426
 
 
427
 
            # Prompt the user for a commit message if none provided
428
 
            message = message_callback(self)
429
 
            self.message = message
430
 
 
431
 
            # Add revision data to the local branch
432
 
            self.rev_id = self.builder.commit(self.message)
433
 
 
434
 
        except Exception, e:
435
 
            mutter("aborting commit write group because of exception:")
436
 
            trace.log_exception_quietly()
437
 
            note("aborting commit write group: %r" % (e,))
438
 
            self.builder.abort()
439
 
            raise
440
 
 
441
 
        self._process_pre_hooks(old_revno, new_revno)
442
 
 
443
 
        # Upload revision data to the master.
444
 
        # this will propagate merged revisions too if needed.
445
 
        if self.bound_branch:
446
 
            self._set_progress_stage("Uploading data to master branch")
447
 
            # 'commit' to the master first so a timeout here causes the
448
 
            # local branch to be out of date
449
 
            self.master_branch.import_last_revision_info_and_tags(
450
 
                self.branch, new_revno, self.rev_id)
451
 
 
452
 
        # and now do the commit locally.
453
 
        self.branch.set_last_revision_info(new_revno, self.rev_id)
454
 
 
455
 
        # Merge local tags to remote
456
 
        if self.bound_branch:
457
 
            self._set_progress_stage("Merging tags to master branch")
458
 
            tag_conflicts = self.branch.tags.merge_to(self.master_branch.tags)
459
 
            if tag_conflicts:
460
 
                warning_lines = ['    ' + name for name, _, _ in tag_conflicts]
461
 
                note("Conflicting tags in bound branch:\n" +
462
 
                    "\n".join(warning_lines))
463
 
 
464
 
        # Make the working tree be up to date with the branch. This
465
 
        # includes automatic changes scheduled to be made to the tree, such
466
 
        # as updating its basis and unversioning paths that were missing.
467
 
        self.work_tree.unversion(self.deleted_ids)
468
 
        self._set_progress_stage("Updating the working tree")
469
 
        self.work_tree.update_basis_by_delta(self.rev_id,
470
 
             self.builder.get_basis_delta())
471
 
        self.reporter.completed(new_revno, self.rev_id)
472
 
        self._process_post_hooks(old_revno, new_revno)
 
298
            # Cannot commit with conflicts present.
 
299
            if len(self.work_tree.conflicts()) > 0:
 
300
                raise ConflictsInTree
 
301
 
 
302
            # Setup the bound branch variables as needed.
 
303
            self._check_bound_branch(possible_master_transports)
 
304
 
 
305
            # Check that the working tree is up to date
 
306
            old_revno, new_revno = self._check_out_of_date_tree()
 
307
 
 
308
            # Complete configuration setup
 
309
            if reporter is not None:
 
310
                self.reporter = reporter
 
311
            elif self.reporter is None:
 
312
                self.reporter = self._select_reporter()
 
313
            if self.config is None:
 
314
                self.config = self.branch.get_config()
 
315
 
 
316
            self._set_specific_file_ids()
 
317
 
 
318
            # Setup the progress bar. As the number of files that need to be
 
319
            # committed in unknown, progress is reported as stages.
 
320
            # We keep track of entries separately though and include that
 
321
            # information in the progress bar during the relevant stages.
 
322
            self.pb_stage_name = ""
 
323
            self.pb_stage_count = 0
 
324
            self.pb_stage_total = 5
 
325
            if self.bound_branch:
 
326
                self.pb_stage_total += 1
 
327
            self.pb.show_pct = False
 
328
            self.pb.show_spinner = False
 
329
            self.pb.show_eta = False
 
330
            self.pb.show_count = True
 
331
            self.pb.show_bar = True
 
332
 
 
333
            self._gather_parents()
 
334
            # After a merge, a selected file commit is not supported.
 
335
            # See 'bzr help merge' for an explanation as to why.
 
336
            if len(self.parents) > 1 and self.specific_files:
 
337
                raise errors.CannotCommitSelectedFileMerge(self.specific_files)
 
338
            # Excludes are a form of selected file commit.
 
339
            if len(self.parents) > 1 and self.exclude:
 
340
                raise errors.CannotCommitSelectedFileMerge(self.exclude)
 
341
 
 
342
            # Collect the changes
 
343
            self._set_progress_stage("Collecting changes", counter=True)
 
344
            self.builder = self.branch.get_commit_builder(self.parents,
 
345
                self.config, timestamp, timezone, committer, revprops, rev_id)
 
346
 
 
347
            try:
 
348
                self.builder.will_record_deletes()
 
349
                # find the location being committed to
 
350
                if self.bound_branch:
 
351
                    master_location = self.master_branch.base
 
352
                else:
 
353
                    master_location = self.branch.base
 
354
 
 
355
                # report the start of the commit
 
356
                self.reporter.started(new_revno, self.rev_id, master_location)
 
357
 
 
358
                self._update_builder_with_changes()
 
359
                self._check_pointless()
 
360
 
 
361
                # TODO: Now the new inventory is known, check for conflicts.
 
362
                # ADHB 2006-08-08: If this is done, populate_new_inv should not add
 
363
                # weave lines, because nothing should be recorded until it is known
 
364
                # that commit will succeed.
 
365
                self._set_progress_stage("Saving data locally")
 
366
                self.builder.finish_inventory()
 
367
 
 
368
                # Prompt the user for a commit message if none provided
 
369
                message = message_callback(self)
 
370
                self.message = message
 
371
 
 
372
                # Add revision data to the local branch
 
373
                self.rev_id = self.builder.commit(self.message)
 
374
 
 
375
            except Exception, e:
 
376
                mutter("aborting commit write group because of exception:")
 
377
                trace.log_exception_quietly()
 
378
                note("aborting commit write group: %r" % (e,))
 
379
                self.builder.abort()
 
380
                raise
 
381
 
 
382
            self._process_pre_hooks(old_revno, new_revno)
 
383
 
 
384
            # Upload revision data to the master.
 
385
            # this will propagate merged revisions too if needed.
 
386
            if self.bound_branch:
 
387
                self._set_progress_stage("Uploading data to master branch")
 
388
                # 'commit' to the master first so a timeout here causes the
 
389
                # local branch to be out of date
 
390
                self.master_branch.import_last_revision_info(
 
391
                    self.branch.repository, new_revno, self.rev_id)
 
392
 
 
393
            # and now do the commit locally.
 
394
            self.branch.set_last_revision_info(new_revno, self.rev_id)
 
395
 
 
396
            # Make the working tree be up to date with the branch. This
 
397
            # includes automatic changes scheduled to be made to the tree, such
 
398
            # as updating its basis and unversioning paths that were missing.
 
399
            self.work_tree.unversion(self.deleted_ids)
 
400
            self._set_progress_stage("Updating the working tree")
 
401
            self.work_tree.update_basis_by_delta(self.rev_id,
 
402
                 self.builder.get_basis_delta())
 
403
            self.reporter.completed(new_revno, self.rev_id)
 
404
            self._process_post_hooks(old_revno, new_revno)
 
405
        finally:
 
406
            self._cleanup()
473
407
        return self.rev_id
474
408
 
475
409
    def _select_reporter(self):
497
431
            return
498
432
        raise PointlessCommit()
499
433
 
500
 
    def _check_bound_branch(self, operation, possible_master_transports=None):
 
434
    def _check_bound_branch(self, possible_master_transports=None):
501
435
        """Check to see if the local branch is bound.
502
436
 
503
437
        If it is bound, then most of the commit will actually be
538
472
        # so grab the lock
539
473
        self.bound_branch = self.branch
540
474
        self.master_branch.lock_write()
541
 
        operation.add_cleanup(self.master_branch.unlock)
 
475
        self.master_locked = True
542
476
 
543
477
    def _check_out_of_date_tree(self):
544
478
        """Check that the working tree is up to date.
629
563
                     old_revno, old_revid, new_revno, self.rev_id,
630
564
                     tree_delta, future_tree)
631
565
 
 
566
    def _cleanup(self):
 
567
        """Cleanup any open locks, progress bars etc."""
 
568
        cleanups = [self._cleanup_bound_branch,
 
569
                    self.basis_tree.unlock,
 
570
                    self.work_tree.unlock,
 
571
                    self.pb.finished]
 
572
        found_exception = None
 
573
        for cleanup in cleanups:
 
574
            try:
 
575
                cleanup()
 
576
            # we want every cleanup to run no matter what.
 
577
            # so we have a catchall here, but we will raise the
 
578
            # last encountered exception up the stack: and
 
579
            # typically this will be useful enough.
 
580
            except Exception, e:
 
581
                found_exception = e
 
582
        if found_exception is not None:
 
583
            # don't do a plan raise, because the last exception may have been
 
584
            # trashed, e is our sure-to-work exception even though it loses the
 
585
            # full traceback. XXX: RBC 20060421 perhaps we could check the
 
586
            # exc_info and if its the same one do a plain raise otherwise
 
587
            # 'raise e' as we do now.
 
588
            raise e
 
589
 
 
590
    def _cleanup_bound_branch(self):
 
591
        """Executed at the end of a try/finally to cleanup a bound branch.
 
592
 
 
593
        If the branch wasn't bound, this is a no-op.
 
594
        If it was, it resents self.branch to the local branch, instead
 
595
        of being the master.
 
596
        """
 
597
        if not self.bound_branch:
 
598
            return
 
599
        if self.master_locked:
 
600
            self.master_branch.unlock()
 
601
 
632
602
    def _gather_parents(self):
633
603
        """Record the parents of a merge for merge detection."""
634
604
        # TODO: Make sure that this list doesn't contain duplicate
649
619
        """Update the commit builder with the data about what has changed.
650
620
        """
651
621
        exclude = self.exclude
652
 
        specific_files = self.specific_files
 
622
        specific_files = self.specific_files or []
653
623
        mutter("Selecting files for commit with filter %s", specific_files)
654
624
 
655
625
        self._check_strict()
656
626
        if self.use_record_iter_changes:
657
 
            iter_changes = self.work_tree.iter_changes(self.basis_tree,
658
 
                specific_files=specific_files)
 
627
            iter_changes = self.work_tree.iter_changes(self.basis_tree)
659
628
            iter_changes = self._filter_iter_changes(iter_changes)
660
629
            for file_id, path, fs_hash in self.builder.record_iter_changes(
661
630
                self.work_tree, self.basis_revid, iter_changes):
833
802
                # _update_builder_with_changes.
834
803
                continue
835
804
            content_summary = self.work_tree.path_content_summary(path)
836
 
            kind = content_summary[0]
837
805
            # Note that when a filter of specific files is given, we must only
838
806
            # skip/record deleted files matching that filter.
839
807
            if not specific_files or is_inside_any(specific_files, path):
840
 
                if kind == 'missing':
 
808
                if content_summary[0] == 'missing':
841
809
                    if not deleted_paths:
842
810
                        # path won't have been split yet.
843
811
                        path_segments = splitpath(path)
850
818
                    continue
851
819
            # TODO: have the builder do the nested commit just-in-time IF and
852
820
            # only if needed.
853
 
            if kind == 'tree-reference':
 
821
            if content_summary[0] == 'tree-reference':
854
822
                # enforce repository nested tree policy.
855
823
                if (not self.work_tree.supports_tree_reference() or
856
824
                    # repository does not support it either.
857
825
                    not self.branch.repository._format.supports_tree_reference):
858
 
                    kind = 'directory'
859
 
                    content_summary = (kind, None, None, None)
860
 
                elif self.recursive == 'down':
 
826
                    content_summary = ('directory',) + content_summary[1:]
 
827
            kind = content_summary[0]
 
828
            # TODO: specific_files filtering before nested tree processing
 
829
            if kind == 'tree-reference':
 
830
                if self.recursive == 'down':
861
831
                    nested_revision_id = self._commit_nested_tree(
862
832
                        file_id, path)
863
 
                    content_summary = (kind, None, None, nested_revision_id)
 
833
                    content_summary = content_summary[:3] + (
 
834
                        nested_revision_id,)
864
835
                else:
865
 
                    nested_revision_id = self.work_tree.get_reference_revision(file_id)
866
 
                    content_summary = (kind, None, None, nested_revision_id)
 
836
                    content_summary = content_summary[:3] + (
 
837
                        self.work_tree.get_reference_revision(file_id),)
867
838
 
868
839
            # Record an entry for this item
869
840
            # Note: I don't particularly want to have the existing_ie