72
from binascii import hexlify
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70
from cStringIO import StringIO
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from bzrlib.atomicfile import AtomicFile
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from bzrlib.osutils import (local_time_offset,
77
rand_bytes, compact_date,
78
kind_marker, is_inside_any, quotefn,
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sha_string, sha_strings, sha_file, isdir, isfile,
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72
import bzrlib.config
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import bzrlib.errors as errors
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from bzrlib.errors import (BzrError, PointlessCommit,
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import bzrlib.gpg as gpg
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from bzrlib.revision import Revision
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from bzrlib.osutils import (kind_marker, isdir,isfile, is_inside_any,
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is_inside_or_parent_of_any,
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quotefn, sha_file, split_lines)
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from bzrlib.testament import Testament
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82
from bzrlib.trace import mutter, note, warning
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83
from bzrlib.xml5 import serializer_v5
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from bzrlib.inventory import Inventory, ROOT_ID
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from bzrlib.weave import Weave
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from bzrlib.weavefile import read_weave, write_weave_v5
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from bzrlib.inventory import Inventory, ROOT_ID, InventoryEntry
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from bzrlib import symbol_versioning
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from bzrlib.symbol_versioning import (deprecated_passed,
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from bzrlib.workingtree import WorkingTree
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def commit(*args, **kwargs):
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"""Commit a new revision to a branch.
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Function-style interface for convenience of old callers.
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New code should use the Commit class instead.
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## XXX: Remove this in favor of Branch.commit?
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Commit().commit(*args, **kwargs)
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92
class NullCommitReporter(object):
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93
"""I report on progress of a commit."""
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contains unknown files.
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revprops -- Properties for new revision
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:param local: Perform a local only commit.
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mutter('preparing to commit')
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self.weave_store = branch.weave_store
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if deprecated_passed(branch):
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symbol_versioning.warn("Commit.commit (branch, ...): The branch parameter is "
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"deprecated as of bzr 0.8. Please use working_tree= instead.",
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DeprecationWarning, stacklevel=2)
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self.work_tree = self.branch.bzrdir.open_workingtree()
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elif working_tree is None:
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raise BzrError("One of branch and working_tree must be passed into commit().")
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self.work_tree = working_tree
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self.branch = self.work_tree.branch
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raise BzrError("The message keyword parameter is required for commit().")
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self.bound_branch = None
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self.master_branch = None
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self.master_locked = False
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self.specific_files = specific_files
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self.allow_pointless = allow_pointless
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self.revprops = {'branch-nick': branch.nick}
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self.revprops.update(revprops)
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self.work_tree = WorkingTree(branch.base, branch)
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# raise an exception as soon as we find a single unknown.
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for unknown in self.work_tree.unknowns():
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raise StrictCommitFailed()
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if timestamp is None:
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self.timestamp = time.time()
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self.timestamp = long(timestamp)
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if self.config is None:
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self.config = bzrlib.config.BranchConfig(self.branch)
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self.rev_id = _gen_revision_id(self.config, self.timestamp)
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if committer is None:
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self.committer = self.config.username()
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assert isinstance(committer, basestring), type(committer)
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self.committer = committer
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self.timezone = local_time_offset()
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self.timezone = int(timezone)
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if isinstance(message, str):
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message = message.decode(bzrlib.user_encoding)
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assert isinstance(message, unicode), type(message)
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self.message = message
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self._escape_commit_message()
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self.branch.lock_write()
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if reporter is None and self.reporter is None:
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self.reporter = NullCommitReporter()
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elif reporter is not None:
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self.reporter = reporter
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self.work_tree.lock_write()
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self.pb = bzrlib.ui.ui_factory.nested_progress_bar()
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# Cannot commit with conflicts present.
241
if len(self.work_tree.conflicts())>0:
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raise ConflictsInTree
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# setup the bound branch variables as needed.
245
self._check_bound_branch()
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# check for out of date working trees
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# if we are bound, then self.branch is the master branch and this
249
# test is thus all we need.
250
master_last = self.master_branch.last_revision()
251
if (master_last is not None and
252
master_last != self.work_tree.last_revision()):
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raise errors.OutOfDateTree(self.work_tree)
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# raise an exception as soon as we find a single unknown.
257
for unknown in self.work_tree.unknowns():
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raise StrictCommitFailed()
260
if self.config is None:
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self.config = self.branch.get_config()
263
if isinstance(message, str):
264
message = message.decode(bzrlib.user_encoding)
265
assert isinstance(message, unicode), type(message)
266
self.message = message
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self._escape_commit_message()
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self.work_inv = self.work_tree.inventory
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self.basis_tree = self.branch.basis_tree()
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self.basis_tree = self.work_tree.basis_tree()
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self.basis_inv = self.basis_tree.inventory
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# one to finish, one for rev and inventory, and one for each
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# inventory entry, and the same for the new inventory.
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# note that this estimate is too long when we do a partial tree
275
# commit which excludes some new files from being considered.
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# The estimate is corrected when we populate the new inv.
277
self.pb_total = len(self.work_inv) + 5
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280
self._gather_parents()
256
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if len(self.parents) > 1 and self.specific_files:
257
raise NotImplementedError('selected-file commit of merges is not supported yet')
258
self._check_parents_present()
282
raise NotImplementedError('selected-file commit of merges is not supported yet: files %r',
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self.builder = self.branch.get_commit_builder(self.parents,
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self.config, timestamp, timezone, committer, revprops, rev_id)
260
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self._remove_deleted()
261
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self._populate_new_inv()
262
self._store_snapshot()
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self._report_deletes()
265
292
if not (self.allow_pointless
266
293
or len(self.parents) > 1
267
or self.new_inv != self.basis_inv):
294
or self.builder.new_inventory != self.basis_inv):
268
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raise PointlessCommit()
270
if len(list(self.work_tree.iter_conflicts()))>0:
271
raise ConflictsInTree
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self._emit_progress_update()
298
# TODO: Now the new inventory is known, check for conflicts and
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# prompt the user for a commit message.
300
# ADHB 2006-08-08: If this is done, populate_new_inv should not add
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# weave lines, because nothing should be recorded until it is known
302
# that commit will succeed.
303
self.builder.finish_inventory()
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self._emit_progress_update()
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self.rev_id = self.builder.commit(self.message)
306
self._emit_progress_update()
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# revision data is in the local branch now.
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# upload revision data to the master.
310
# this will propagate merged revisions too if needed.
311
if self.bound_branch:
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self.master_branch.repository.fetch(self.branch.repository,
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revision_id=self.rev_id)
314
# now the master has the revision data
315
# 'commit' to the master first so a timeout here causes the local
316
# branch to be out of date
317
self.master_branch.append_revision(self.rev_id)
273
self._record_inventory()
274
self._make_revision()
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self.work_tree.set_pending_merges([])
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# and now do the commit locally.
276
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self.branch.append_revision(self.rev_id)
277
self.reporter.completed(self.branch.revno()+1, self.rev_id)
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# if the builder gave us the revisiontree it created back, we
323
# could use it straight away here.
324
# TODO: implement this.
325
self.work_tree.set_parent_trees([(self.rev_id,
326
self.branch.repository.revision_tree(self.rev_id))])
327
# now the work tree is up to date with the branch
329
self.reporter.completed(self.branch.revno(), self.rev_id)
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if self.config.post_commit() is not None:
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hooks = self.config.post_commit().split(' ')
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# this would be nicer with twisted.python.reflect.namedAny
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335
{'branch':self.branch,
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337
'rev_id':self.rev_id})
338
self._emit_progress_update()
289
def _record_inventory(self):
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"""Store the inventory for the new revision."""
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inv_text = serializer_v5.write_inventory_to_string(self.new_inv)
292
self.inv_sha1 = sha_string(inv_text)
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s = self.branch.control_weaves
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s.add_text('inventory', self.rev_id,
295
split_lines(inv_text), self.present_parents,
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self.branch.get_transaction())
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def _check_bound_branch(self):
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"""Check to see if the local branch is bound.
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If it is bound, then most of the commit will actually be
347
done using the remote branch as the target branch.
348
Only at the end will the local branch be updated.
350
if self.local and not self.branch.get_bound_location():
351
raise errors.LocalRequiresBoundBranch()
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self.master_branch = self.branch.get_master_branch()
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if not self.master_branch:
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# make this branch the reference branch for out of date checks.
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self.master_branch = self.branch
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# If the master branch is bound, we must fail
362
master_bound_location = self.master_branch.get_bound_location()
363
if master_bound_location:
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raise errors.CommitToDoubleBoundBranch(self.branch,
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self.master_branch, master_bound_location)
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# TODO: jam 20051230 We could automatically push local
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# commits to the remote branch if they would fit.
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# But for now, just require remote to be identical
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# Make sure the local branch is identical to the master
373
master_rh = self.master_branch.revision_history()
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local_rh = self.branch.revision_history()
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if local_rh != master_rh:
376
raise errors.BoundBranchOutOfDate(self.branch,
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# Now things are ready to change the master branch
381
self.bound_branch = self.branch
382
self.master_branch.lock_write()
383
self.master_locked = True
386
"""Cleanup any open locks, progress bars etc."""
387
cleanups = [self._cleanup_bound_branch,
388
self.work_tree.unlock,
390
found_exception = None
391
for cleanup in cleanups:
394
# we want every cleanup to run no matter what.
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# so we have a catchall here, but we will raise the
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# last encountered exception up the stack: and
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# typically this will be useful enough.
400
if found_exception is not None:
401
# don't do a plan raise, because the last exception may have been
402
# trashed, e is our sure-to-work exception even though it loses the
403
# full traceback. XXX: RBC 20060421 perhaps we could check the
404
# exc_info and if its the same one do a plain raise otherwise
405
# 'raise e' as we do now.
408
def _cleanup_bound_branch(self):
409
"""Executed at the end of a try/finally to cleanup a bound branch.
411
If the branch wasn't bound, this is a no-op.
412
If it was, it resents self.branch to the local branch, instead
415
if not self.bound_branch:
417
if self.master_locked:
418
self.master_branch.unlock()
298
420
def _escape_commit_message(self):
299
421
"""Replace xml-incompatible control characters."""
422
# FIXME: RBC 20060419 this should be done by the revision
423
# serialiser not by commit. Then we can also add an unescaper
424
# in the deserializer and start roundtripping revision messages
425
# precisely. See repository_implementations/test_repository.py
300
427
# Python strings can include characters that can't be
301
428
# represented in well-formed XML; escape characters that
302
429
# aren't listed in the XML specification
311
438
def _gather_parents(self):
312
439
"""Record the parents of a merge for merge detection."""
313
pending_merges = self.work_tree.pending_merges()
440
# TODO: Make sure that this list doesn't contain duplicate
441
# entries and the order is preserved when doing this.
442
self.parents = self.work_tree.get_parent_ids()
315
443
self.parent_invs = []
316
self.present_parents = []
317
precursor_id = self.branch.last_revision()
319
self.parents.append(precursor_id)
320
self.parents += pending_merges
321
444
for revision in self.parents:
322
if self.branch.has_revision(revision):
323
self.parent_invs.append(self.branch.get_inventory(revision))
324
self.present_parents.append(revision)
326
def _check_parents_present(self):
327
for parent_id in self.parents:
328
mutter('commit parent revision {%s}', parent_id)
329
if not self.branch.has_revision(parent_id):
330
if parent_id == self.branch.last_revision():
331
warning("parent is missing %r", parent_id)
332
raise HistoryMissing(self.branch, 'revision', parent_id)
334
mutter("commit will ghost revision %r", parent_id)
336
def _make_revision(self):
337
"""Record a new revision object for this commit."""
338
self.rev = Revision(timestamp=self.timestamp,
339
timezone=self.timezone,
340
committer=self.committer,
341
message=self.message,
342
inventory_sha1=self.inv_sha1,
343
revision_id=self.rev_id,
344
properties=self.revprops)
345
self.rev.parent_ids = self.parents
347
serializer_v5.write_revision(self.rev, rev_tmp)
349
if self.config.signature_needed():
350
plaintext = Testament(self.rev, self.new_inv).as_short_text()
351
self.branch.store_revision_signature(gpg.GPGStrategy(self.config),
352
plaintext, self.rev_id)
353
self.branch.revision_store.add(rev_tmp, self.rev_id)
354
mutter('new revision_id is {%s}', self.rev_id)
445
if self.branch.repository.has_revision(revision):
446
mutter('commit parent revision {%s}', revision)
447
inventory = self.branch.repository.get_inventory(revision)
448
self.parent_invs.append(inventory)
450
mutter('commit parent ghost revision {%s}', revision)
356
452
def _remove_deleted(self):
357
453
"""Remove deleted files from the working inventories.
378
474
del self.work_inv[file_id]
379
475
self.work_tree._write_inventory(self.work_inv)
381
def _store_snapshot(self):
382
"""Pass over inventory and record a snapshot.
384
Entries get a new revision when they are modified in
385
any way, which includes a merge with a new set of
386
parents that have the same entry.
388
# XXX: Need to think more here about when the user has
389
# made a specific decision on a particular value -- c.f.
391
for path, ie in self.new_inv.iter_entries():
392
previous_entries = ie.find_previous_heads(
394
self.weave_store.get_weave_prelude_or_empty(ie.file_id,
395
self.branch.get_transaction()))
396
if ie.revision is None:
397
change = ie.snapshot(self.rev_id, path, previous_entries,
398
self.work_tree, self.weave_store,
399
self.branch.get_transaction())
402
self.reporter.snapshot_change(change, path)
404
477
def _populate_new_inv(self):
405
478
"""Build revision inventory.
411
484
None; inventory entries that are carried over untouched have their
412
485
revision set to their prior value.
487
# ESEPARATIONOFCONCERNS: this function is diffing and using the diff
488
# results to create a new inventory at the same time, which results
489
# in bugs like #46635. Any reason not to use/enhance Tree.changes_from?
414
491
mutter("Selecting files for commit with filter %s", self.specific_files)
415
self.new_inv = Inventory()
416
for path, new_ie in self.work_inv.iter_entries():
492
entries = self.work_inv.iter_entries()
493
if not self.builder.record_root_entry:
494
symbol_versioning.warn('CommitBuilders should support recording'
495
' the root entry as of bzr 0.10.', DeprecationWarning,
497
self.builder.new_inventory.add(self.basis_inv.root.copy())
499
self._emit_progress_update()
500
for path, new_ie in entries:
501
self._emit_progress_update()
417
502
file_id = new_ie.file_id
418
mutter('check %s {%s}', path, new_ie.file_id)
419
if self.specific_files:
420
if not is_inside_any(self.specific_files, path):
421
mutter('%s not selected for commit', path)
422
self._carry_entry(file_id)
503
# mutter('check %s {%s}', path, file_id)
504
if (not self.specific_files or
505
is_inside_or_parent_of_any(self.specific_files, path)):
506
# mutter('%s selected for commit', path)
510
# mutter('%s not selected for commit', path)
511
if self.basis_inv.has_id(file_id):
512
ie = self.basis_inv[file_id].copy()
514
# this entry is new and not being committed
425
# this is selected, ensure its parents are too.
426
parent_id = new_ie.parent_id
427
while parent_id != ROOT_ID:
428
if not self.new_inv.has_id(parent_id):
429
ie = self._select_entry(self.work_inv[parent_id])
430
mutter('%s selected for commit because of %s',
431
self.new_inv.id2path(parent_id), path)
433
ie = self.new_inv[parent_id]
434
if ie.revision is not None:
436
mutter('%s selected for commit because of %s',
437
self.new_inv.id2path(parent_id), path)
438
parent_id = ie.parent_id
439
mutter('%s selected for commit', path)
440
self._select_entry(new_ie)
442
def _select_entry(self, new_ie):
443
"""Make new_ie be considered for committing."""
449
def _carry_entry(self, file_id):
450
"""Carry the file unchanged from the basis revision."""
451
if self.basis_inv.has_id(file_id):
452
self.new_inv.add(self.basis_inv[file_id].copy())
517
self.builder.record_entry_contents(ie, self.parent_invs,
518
path, self.work_tree)
519
# describe the nature of the change that has occurred relative to
520
# the basis inventory.
521
if (self.basis_inv.has_id(ie.file_id)):
522
basis_ie = self.basis_inv[ie.file_id]
525
change = ie.describe_change(basis_ie, ie)
526
if change in (InventoryEntry.RENAMED,
527
InventoryEntry.MODIFIED_AND_RENAMED):
528
old_path = self.basis_inv.id2path(ie.file_id)
529
self.reporter.renamed(change, old_path, path)
531
self.reporter.snapshot_change(change, path)
533
if not self.specific_files:
536
# ignore removals that don't match filespec
537
for path, new_ie in self.basis_inv.iter_entries():
538
if new_ie.file_id in self.work_inv:
540
if is_inside_any(self.specific_files, path):
544
self.builder.record_entry_contents(ie, self.parent_invs, path,
547
def _emit_progress_update(self):
548
"""Emit an update to the progress bar."""
549
self.pb.update("Committing", self.pb_count, self.pb_total)
454
552
def _report_deletes(self):
455
for file_id in self.basis_inv:
456
if file_id not in self.new_inv:
457
self.reporter.deleted(self.basis_inv.id2path(file_id))
459
def _gen_revision_id(config, when):
460
"""Return new revision-id."""
461
s = '%s-%s-' % (config.user_email(), compact_date(when))
462
s += hexlify(rand_bytes(8))
553
for path, ie in self.basis_inv.iter_entries():
554
if ie.file_id not in self.builder.new_inventory:
555
self.reporter.deleted(path)