63
62
# TODO: If commit fails, leave the message in a file somewhere.
64
# TODO: Change the parameter 'rev_id' to 'revision_id' to be consistent with
65
# the rest of the code; add a deprecation of the old name.
72
from binascii import hexlify
73
72
from cStringIO import StringIO
75
from bzrlib.atomicfile import AtomicFile
76
from bzrlib.osutils import (local_time_offset,
77
rand_bytes, compact_date,
78
kind_marker, is_inside_any, quotefn,
79
sha_file, isdir, isfile,
81
78
import bzrlib.config
82
import bzrlib.errors as errors
83
79
from bzrlib.errors import (BzrError, PointlessCommit,
88
from bzrlib.revision import Revision
83
from bzrlib.osutils import (kind_marker, isdir,isfile, is_inside_any,
84
is_inside_or_parent_of_any,
85
quotefn, sha_file, split_lines)
89
86
from bzrlib.testament import Testament
90
87
from bzrlib.trace import mutter, note, warning
91
88
from bzrlib.xml5 import serializer_v5
92
from bzrlib.inventory import Inventory, ROOT_ID
93
from bzrlib.symbol_versioning import *
89
from bzrlib.inventory import Inventory, InventoryEntry
90
from bzrlib import symbol_versioning
91
from bzrlib.symbol_versioning import (deprecated_passed,
94
94
from bzrlib.workingtree import WorkingTree
97
@deprecated_function(zero_seven)
98
def commit(*args, **kwargs):
99
"""Commit a new revision to a branch.
101
Function-style interface for convenience of old callers.
103
New code should use the Commit class instead.
105
## XXX: Remove this in favor of Branch.commit?
106
Commit().commit(*args, **kwargs)
109
97
class NullCommitReporter(object):
110
98
"""I report on progress of a commit."""
124
112
def missing(self, path):
115
def renamed(self, change, old_path, new_path):
128
119
class ReportCommitToLog(NullCommitReporter):
121
# this may be more useful if 'note' was replaced by an overridable
122
# method on self, which would allow more trivial subclassing.
123
# alternative, a callable could be passed in, allowing really trivial
124
# reuse for some uis. RBC 20060511
130
126
def snapshot_change(self, change, path):
131
127
if change == 'unchanged':
129
if change == 'added' and path == '':
133
131
note("%s %s", change, path)
135
133
def completed(self, revno, rev_id):
245
242
self.reporter = reporter
247
244
self.work_tree.lock_write()
245
self.pb = bzrlib.ui.ui_factory.nested_progress_bar()
247
# Cannot commit with conflicts present.
248
if len(self.work_tree.conflicts())>0:
249
raise ConflictsInTree
249
251
# setup the bound branch variables as needed.
250
252
self._check_bound_branch()
252
254
# check for out of date working trees
253
# if we are bound, then self.branch is the master branch and this
254
# test is thus all we need.
255
if self.work_tree.last_revision() != self.master_branch.last_revision():
256
first_tree_parent = self.work_tree.get_parent_ids()[0]
258
# if there are no parents, treat our parent as 'None'
259
# this is so that we still consier the master branch
260
# - in a checkout scenario the tree may have no
261
# parents but the branch may do.
262
first_tree_parent = None
263
master_last = self.master_branch.last_revision()
264
if (master_last is not None and
265
master_last != first_tree_parent):
256
266
raise errors.OutOfDateTree(self.work_tree)
259
269
# raise an exception as soon as we find a single unknown.
260
270
for unknown in self.work_tree.unknowns():
261
271
raise StrictCommitFailed()
263
if timestamp is None:
264
self.timestamp = time.time()
266
self.timestamp = long(timestamp)
268
273
if self.config is None:
269
self.config = bzrlib.config.BranchConfig(self.branch)
272
self.rev_id = _gen_revision_id(self.config, self.timestamp)
276
if committer is None:
277
self.committer = self.config.username()
279
assert isinstance(committer, basestring), type(committer)
280
self.committer = committer
283
self.timezone = local_time_offset()
285
self.timezone = int(timezone)
274
self.config = self.branch.get_config()
287
276
if isinstance(message, str):
288
277
message = message.decode(bzrlib.user_encoding)
289
278
assert isinstance(message, unicode), type(message)
293
282
self.work_inv = self.work_tree.inventory
294
283
self.basis_tree = self.work_tree.basis_tree()
295
284
self.basis_inv = self.basis_tree.inventory
285
if specific_files is not None:
286
# Ensure specified files are versioned
287
# (We don't actually need the ids here)
288
tree.find_ids_across_trees(specific_files,
289
[self.basis_tree, self.work_tree])
290
# one to finish, one for rev and inventory, and one for each
291
# inventory entry, and the same for the new inventory.
292
# note that this estimate is too long when we do a partial tree
293
# commit which excludes some new files from being considered.
294
# The estimate is corrected when we populate the new inv.
295
self.pb_total = len(self.work_inv) + 5
297
298
self._gather_parents()
298
299
if len(self.parents) > 1 and self.specific_files:
299
raise NotImplementedError('selected-file commit of merges is not supported yet')
300
self._check_parents_present()
300
raise NotImplementedError('selected-file commit of merges is not supported yet: files %r',
303
self.builder = self.branch.get_commit_builder(self.parents,
304
self.config, timestamp, timezone, committer, revprops, rev_id)
302
306
self._remove_deleted()
303
307
self._populate_new_inv()
304
self._store_snapshot()
305
308
self._report_deletes()
307
if not (self.allow_pointless
308
or len(self.parents) > 1
309
or self.new_inv != self.basis_inv):
310
raise PointlessCommit()
312
if len(self.work_tree.conflicts())>0:
313
raise ConflictsInTree
315
self.inv_sha1 = self.branch.repository.add_inventory(
320
self._make_revision()
310
self._check_pointless()
312
self._emit_progress_update()
313
# TODO: Now the new inventory is known, check for conflicts and
314
# prompt the user for a commit message.
315
# ADHB 2006-08-08: If this is done, populate_new_inv should not add
316
# weave lines, because nothing should be recorded until it is known
317
# that commit will succeed.
318
self.builder.finish_inventory()
319
self._emit_progress_update()
320
self.rev_id = self.builder.commit(self.message)
321
self._emit_progress_update()
321
322
# revision data is in the local branch now.
323
324
# upload revision data to the master.
324
# this will propogate merged revisions too if needed.
325
# this will propagate merged revisions too if needed.
325
326
if self.bound_branch:
326
327
self.master_branch.repository.fetch(self.branch.repository,
327
328
revision_id=self.rev_id)
346
347
{'branch':self.branch,
348
349
'rev_id':self.rev_id})
350
self._emit_progress_update()
350
self._cleanup_bound_branch()
351
self.work_tree.unlock()
355
def _any_real_changes(self):
356
"""Are there real changes between new_inventory and basis?
358
For trees without rich roots, inv.root.revision changes every commit.
359
But if that is the only change, we want to treat it as though there
362
new_entries = self.builder.new_inventory.iter_entries()
363
basis_entries = self.basis_inv.iter_entries()
364
new_path, new_root_ie = new_entries.next()
365
basis_path, basis_root_ie = basis_entries.next()
367
# This is a copy of InventoryEntry.__eq__ only leaving out .revision
368
def ie_equal_no_revision(this, other):
369
return ((this.file_id == other.file_id)
370
and (this.name == other.name)
371
and (this.symlink_target == other.symlink_target)
372
and (this.text_sha1 == other.text_sha1)
373
and (this.text_size == other.text_size)
374
and (this.text_id == other.text_id)
375
and (this.parent_id == other.parent_id)
376
and (this.kind == other.kind)
377
and (this.executable == other.executable)
379
if not ie_equal_no_revision(new_root_ie, basis_root_ie):
382
for new_ie, basis_ie in zip(new_entries, basis_entries):
383
if new_ie != basis_ie:
386
# No actual changes present
389
def _check_pointless(self):
390
if self.allow_pointless:
392
# A merge with no effect on files
393
if len(self.parents) > 1:
395
# work around the fact that a newly-initted tree does differ from its
397
if len(self.basis_inv) == 0 and len(self.builder.new_inventory) == 1:
398
raise PointlessCommit()
399
# Shortcut, if the number of entries changes, then we obviously have
401
if len(self.builder.new_inventory) != len(self.basis_inv):
403
# If length == 1, then we only have the root entry. Which means
404
# that there is no real difference (only the root could be different)
405
if (len(self.builder.new_inventory) != 1 and self._any_real_changes()):
407
raise PointlessCommit()
353
409
def _check_bound_branch(self):
354
410
"""Check to see if the local branch is bound.
391
447
self.bound_branch = self.branch
392
448
self.master_branch.lock_write()
393
449
self.master_locked = True
395
#### # Check to see if we have any pending merges. If we do
396
#### # those need to be pushed into the master branch
397
#### pending_merges = self.work_tree.pending_merges()
398
#### if pending_merges:
399
#### for revision_id in pending_merges:
400
#### self.master_branch.repository.fetch(self.bound_branch.repository,
401
#### revision_id=revision_id)
452
"""Cleanup any open locks, progress bars etc."""
453
cleanups = [self._cleanup_bound_branch,
454
self.work_tree.unlock,
456
found_exception = None
457
for cleanup in cleanups:
460
# we want every cleanup to run no matter what.
461
# so we have a catchall here, but we will raise the
462
# last encountered exception up the stack: and
463
# typically this will be useful enough.
466
if found_exception is not None:
467
# don't do a plan raise, because the last exception may have been
468
# trashed, e is our sure-to-work exception even though it loses the
469
# full traceback. XXX: RBC 20060421 perhaps we could check the
470
# exc_info and if its the same one do a plain raise otherwise
471
# 'raise e' as we do now.
403
474
def _cleanup_bound_branch(self):
404
475
"""Executed at the end of a try/finally to cleanup a bound branch.
428
504
def _gather_parents(self):
429
505
"""Record the parents of a merge for merge detection."""
430
pending_merges = self.work_tree.pending_merges()
506
# TODO: Make sure that this list doesn't contain duplicate
507
# entries and the order is preserved when doing this.
508
self.parents = self.work_tree.get_parent_ids()
432
509
self.parent_invs = []
433
self.present_parents = []
434
precursor_id = self.branch.last_revision()
436
self.parents.append(precursor_id)
437
self.parents += pending_merges
438
510
for revision in self.parents:
439
511
if self.branch.repository.has_revision(revision):
512
mutter('commit parent revision {%s}', revision)
440
513
inventory = self.branch.repository.get_inventory(revision)
441
514
self.parent_invs.append(inventory)
442
self.present_parents.append(revision)
444
def _check_parents_present(self):
445
for parent_id in self.parents:
446
mutter('commit parent revision {%s}', parent_id)
447
if not self.branch.repository.has_revision(parent_id):
448
if parent_id == self.branch.last_revision():
449
warning("parent is missing %r", parent_id)
450
raise HistoryMissing(self.branch, 'revision', parent_id)
452
mutter("commit will ghost revision %r", parent_id)
454
def _make_revision(self):
455
"""Record a new revision object for this commit."""
456
rev = Revision(timestamp=self.timestamp,
457
timezone=self.timezone,
458
committer=self.committer,
459
message=self.message,
460
inventory_sha1=self.inv_sha1,
461
revision_id=self.rev_id,
462
properties=self.revprops)
463
rev.parent_ids = self.parents
464
self.branch.repository.add_revision(self.rev_id, rev, self.new_inv, self.config)
516
mutter('commit parent ghost revision {%s}', revision)
466
518
def _remove_deleted(self):
467
519
"""Remove deleted files from the working inventories.
477
529
specific = self.specific_files
531
deleted_paths = set()
479
532
for path, ie in self.work_inv.iter_entries():
533
if is_inside_any(deleted_paths, path):
534
# The tree will delete the required ids recursively.
480
536
if specific and not is_inside_any(specific, path):
482
538
if not self.work_tree.has_filename(path):
539
deleted_paths.add(path)
483
540
self.reporter.missing(path)
484
deleted_ids.append((path, ie.file_id))
486
deleted_ids.sort(reverse=True)
487
for path, file_id in deleted_ids:
488
del self.work_inv[file_id]
489
self.work_tree._write_inventory(self.work_inv)
491
def _store_snapshot(self):
492
"""Pass over inventory and record a snapshot.
494
Entries get a new revision when they are modified in
495
any way, which includes a merge with a new set of
496
parents that have the same entry.
498
# XXX: Need to think more here about when the user has
499
# made a specific decision on a particular value -- c.f.
501
for path, ie in self.new_inv.iter_entries():
502
previous_entries = ie.find_previous_heads(
505
self.branch.repository.get_transaction())
506
if ie.revision is None:
507
change = ie.snapshot(self.rev_id, path, previous_entries,
508
self.work_tree, self.weave_store,
509
self.branch.get_transaction())
512
self.reporter.snapshot_change(change, path)
541
deleted_ids.append(ie.file_id)
542
self.work_tree.unversion(deleted_ids)
514
544
def _populate_new_inv(self):
515
545
"""Build revision inventory.
521
551
None; inventory entries that are carried over untouched have their
522
552
revision set to their prior value.
554
# ESEPARATIONOFCONCERNS: this function is diffing and using the diff
555
# results to create a new inventory at the same time, which results
556
# in bugs like #46635. Any reason not to use/enhance Tree.changes_from?
524
558
mutter("Selecting files for commit with filter %s", self.specific_files)
525
self.new_inv = Inventory(revision_id=self.rev_id)
526
for path, new_ie in self.work_inv.iter_entries():
559
assert self.work_inv.root is not None
560
entries = self.work_inv.iter_entries()
561
if not self.builder.record_root_entry:
562
symbol_versioning.warn('CommitBuilders should support recording'
563
' the root entry as of bzr 0.10.', DeprecationWarning,
565
self.builder.new_inventory.add(self.basis_inv.root.copy())
567
self._emit_progress_update()
568
for path, new_ie in entries:
569
self._emit_progress_update()
527
570
file_id = new_ie.file_id
528
mutter('check %s {%s}', path, new_ie.file_id)
529
if self.specific_files:
530
if not is_inside_any(self.specific_files, path):
531
mutter('%s not selected for commit', path)
532
self._carry_entry(file_id)
571
# mutter('check %s {%s}', path, file_id)
572
if (not self.specific_files or
573
is_inside_or_parent_of_any(self.specific_files, path)):
574
# mutter('%s selected for commit', path)
578
# mutter('%s not selected for commit', path)
579
if self.basis_inv.has_id(file_id):
580
ie = self.basis_inv[file_id].copy()
582
# this entry is new and not being committed
535
# this is selected, ensure its parents are too.
536
parent_id = new_ie.parent_id
537
while parent_id != ROOT_ID:
538
if not self.new_inv.has_id(parent_id):
539
ie = self._select_entry(self.work_inv[parent_id])
540
mutter('%s selected for commit because of %s',
541
self.new_inv.id2path(parent_id), path)
543
ie = self.new_inv[parent_id]
544
if ie.revision is not None:
546
mutter('%s selected for commit because of %s',
547
self.new_inv.id2path(parent_id), path)
548
parent_id = ie.parent_id
549
mutter('%s selected for commit', path)
550
self._select_entry(new_ie)
552
def _select_entry(self, new_ie):
553
"""Make new_ie be considered for committing."""
559
def _carry_entry(self, file_id):
560
"""Carry the file unchanged from the basis revision."""
561
if self.basis_inv.has_id(file_id):
562
self.new_inv.add(self.basis_inv[file_id].copy())
584
self.builder.record_entry_contents(ie, self.parent_invs,
585
path, self.work_tree)
586
# describe the nature of the change that has occurred relative to
587
# the basis inventory.
588
if (self.basis_inv.has_id(ie.file_id)):
589
basis_ie = self.basis_inv[ie.file_id]
592
change = ie.describe_change(basis_ie, ie)
593
if change in (InventoryEntry.RENAMED,
594
InventoryEntry.MODIFIED_AND_RENAMED):
595
old_path = self.basis_inv.id2path(ie.file_id)
596
self.reporter.renamed(change, old_path, path)
598
self.reporter.snapshot_change(change, path)
600
if not self.specific_files:
603
# ignore removals that don't match filespec
604
for path, new_ie in self.basis_inv.iter_entries():
605
if new_ie.file_id in self.work_inv:
607
if is_inside_any(self.specific_files, path):
611
self.builder.record_entry_contents(ie, self.parent_invs, path,
614
def _emit_progress_update(self):
615
"""Emit an update to the progress bar."""
616
self.pb.update("Committing", self.pb_count, self.pb_total)
564
619
def _report_deletes(self):
565
for file_id in self.basis_inv:
566
if file_id not in self.new_inv:
567
self.reporter.deleted(self.basis_inv.id2path(file_id))
569
def _gen_revision_id(config, when):
570
"""Return new revision-id."""
571
s = '%s-%s-' % (config.user_email(), compact_date(when))
572
s += hexlify(rand_bytes(8))
620
for path, ie in self.basis_inv.iter_entries():
621
if ie.file_id not in self.builder.new_inventory:
622
self.reporter.deleted(path)