470
491
"""Iterate over an inclusive range of sorted revisions."""
471
492
rev_iter = iter(merge_sorted_revisions)
472
493
if start_revision_id is not None:
473
for rev_id, depth, revno, end_of_merge in rev_iter:
494
for node in rev_iter:
495
rev_id = node.key[-1]
474
496
if rev_id != start_revision_id:
477
499
# The decision to include the start or not
478
500
# depends on the stop_rule if a stop is provided
480
iter([(rev_id, depth, revno, end_of_merge)]),
501
# so pop this node back into the iterator
502
rev_iter = chain(iter([node]), rev_iter)
483
504
if stop_revision_id is None:
484
for rev_id, depth, revno, end_of_merge in rev_iter:
485
yield rev_id, depth, revno, end_of_merge
506
for node in rev_iter:
507
rev_id = node.key[-1]
508
yield (rev_id, node.merge_depth, node.revno,
486
510
elif stop_rule == 'exclude':
487
for rev_id, depth, revno, end_of_merge in rev_iter:
511
for node in rev_iter:
512
rev_id = node.key[-1]
488
513
if rev_id == stop_revision_id:
490
yield rev_id, depth, revno, end_of_merge
515
yield (rev_id, node.merge_depth, node.revno,
491
517
elif stop_rule == 'include':
492
for rev_id, depth, revno, end_of_merge in rev_iter:
493
yield rev_id, depth, revno, end_of_merge
518
for node in rev_iter:
519
rev_id = node.key[-1]
520
yield (rev_id, node.merge_depth, node.revno,
494
522
if rev_id == stop_revision_id:
524
elif stop_rule == 'with-merges-without-common-ancestry':
525
# We want to exclude all revisions that are already part of the
526
# stop_revision_id ancestry.
527
graph = self.repository.get_graph()
528
ancestors = graph.find_unique_ancestors(start_revision_id,
530
for node in rev_iter:
531
rev_id = node.key[-1]
532
if rev_id not in ancestors:
534
yield (rev_id, node.merge_depth, node.revno,
496
536
elif stop_rule == 'with-merges':
497
537
stop_rev = self.repository.get_revision(stop_revision_id)
498
538
if stop_rev.parent_ids:
499
539
left_parent = stop_rev.parent_ids[0]
501
541
left_parent = _mod_revision.NULL_REVISION
502
for rev_id, depth, revno, end_of_merge in rev_iter:
542
# left_parent is the actual revision we want to stop logging at,
543
# since we want to show the merged revisions after the stop_rev too
544
reached_stop_revision_id = False
545
revision_id_whitelist = []
546
for node in rev_iter:
547
rev_id = node.key[-1]
503
548
if rev_id == left_parent:
549
# reached the left parent after the stop_revision
505
yield rev_id, depth, revno, end_of_merge
551
if (not reached_stop_revision_id or
552
rev_id in revision_id_whitelist):
553
yield (rev_id, node.merge_depth, node.revno,
555
if reached_stop_revision_id or rev_id == stop_revision_id:
556
# only do the merged revs of rev_id from now on
557
rev = self.repository.get_revision(rev_id)
559
reached_stop_revision_id = True
560
revision_id_whitelist.extend(rev.parent_ids)
507
562
raise ValueError('invalid stop_rule %r' % stop_rule)
564
def _filter_start_non_ancestors(self, rev_iter):
565
# If we started from a dotted revno, we want to consider it as a tip
566
# and don't want to yield revisions that are not part of its
567
# ancestry. Given the order guaranteed by the merge sort, we will see
568
# uninteresting descendants of the first parent of our tip before the
570
first = rev_iter.next()
571
(rev_id, merge_depth, revno, end_of_merge) = first
574
# We start at a mainline revision so by definition, all others
575
# revisions in rev_iter are ancestors
576
for node in rev_iter:
581
pmap = self.repository.get_parent_map([rev_id])
582
parents = pmap.get(rev_id, [])
584
whitelist.update(parents)
586
# If there is no parents, there is nothing of interest left
588
# FIXME: It's hard to test this scenario here as this code is never
589
# called in that case. -- vila 20100322
592
for (rev_id, merge_depth, revno, end_of_merge) in rev_iter:
594
if rev_id in whitelist:
595
pmap = self.repository.get_parent_map([rev_id])
596
parents = pmap.get(rev_id, [])
597
whitelist.remove(rev_id)
598
whitelist.update(parents)
600
# We've reached the mainline, there is nothing left to
604
# A revision that is not part of the ancestry of our
607
yield (rev_id, merge_depth, revno, end_of_merge)
509
609
def leave_lock_in_place(self):
510
610
"""Tell this branch object not to release the physical lock when this
511
611
object is unlocked.
706
806
if len(old_repository._fallback_repositories) != 1:
707
807
raise AssertionError("can't cope with fallback repositories "
708
808
"of %r" % (self.repository,))
709
# unlock it, including unlocking the fallback
809
# Open the new repository object.
810
# Repositories don't offer an interface to remove fallback
811
# repositories today; take the conceptually simpler option and just
812
# reopen it. We reopen it starting from the URL so that we
813
# get a separate connection for RemoteRepositories and can
814
# stream from one of them to the other. This does mean doing
815
# separate SSH connection setup, but unstacking is not a
816
# common operation so it's tolerable.
817
new_bzrdir = bzrdir.BzrDir.open(self.bzrdir.root_transport.base)
818
new_repository = new_bzrdir.find_repository()
819
if new_repository._fallback_repositories:
820
raise AssertionError("didn't expect %r to have "
821
"fallback_repositories"
822
% (self.repository,))
823
# Replace self.repository with the new repository.
824
# Do our best to transfer the lock state (i.e. lock-tokens and
825
# lock count) of self.repository to the new repository.
826
lock_token = old_repository.lock_write().repository_token
827
self.repository = new_repository
828
if isinstance(self, remote.RemoteBranch):
829
# Remote branches can have a second reference to the old
830
# repository that need to be replaced.
831
if self._real_branch is not None:
832
self._real_branch.repository = new_repository
833
self.repository.lock_write(token=lock_token)
834
if lock_token is not None:
835
old_repository.leave_lock_in_place()
710
836
old_repository.unlock()
837
if lock_token is not None:
838
# XXX: self.repository.leave_lock_in_place() before this
839
# function will not be preserved. Fortunately that doesn't
840
# affect the current default format (2a), and would be a
841
# corner-case anyway.
842
# - Andrew Bennetts, 2010/06/30
843
self.repository.dont_leave_lock_in_place()
847
old_repository.unlock()
848
except errors.LockNotHeld:
851
if old_lock_count == 0:
852
raise AssertionError(
853
'old_repository should have been locked at least once.')
854
for i in range(old_lock_count-1):
855
self.repository.lock_write()
856
# Fetch from the old repository into the new.
711
857
old_repository.lock_read()
713
# Repositories don't offer an interface to remove fallback
714
# repositories today; take the conceptually simpler option and just
715
# reopen it. We reopen it starting from the URL so that we
716
# get a separate connection for RemoteRepositories and can
717
# stream from one of them to the other. This does mean doing
718
# separate SSH connection setup, but unstacking is not a
719
# common operation so it's tolerable.
720
new_bzrdir = bzrdir.BzrDir.open(self.bzrdir.root_transport.base)
721
new_repository = new_bzrdir.find_repository()
722
self.repository = new_repository
723
if self.repository._fallback_repositories:
724
raise AssertionError("didn't expect %r to have "
725
"fallback_repositories"
726
% (self.repository,))
727
# this is not paired with an unlock because it's just restoring
728
# the previous state; the lock's released when set_stacked_on_url
730
self.repository.lock_write()
731
859
# XXX: If you unstack a branch while it has a working tree
732
860
# with a pending merge, the pending-merged revisions will no
733
861
# longer be present. You can (probably) revert and remerge.
1476
1614
"""Return the short format description for this format."""
1477
1615
raise NotImplementedError(self.get_format_description)
1479
def _initialize_helper(self, a_bzrdir, utf8_files, lock_type='metadir',
1617
def _run_post_branch_init_hooks(self, a_bzrdir, name, branch):
1618
hooks = Branch.hooks['post_branch_init']
1621
params = BranchInitHookParams(self, a_bzrdir, name, branch)
1625
def _initialize_helper(self, a_bzrdir, utf8_files, name=None,
1626
lock_type='metadir', set_format=True):
1481
1627
"""Initialize a branch in a bzrdir, with specified files
1483
1629
:param a_bzrdir: The bzrdir to initialize the branch in
1484
1630
:param utf8_files: The files to create as a list of
1485
1631
(filename, content) tuples
1632
:param name: Name of colocated branch to create, if any
1486
1633
:param set_format: If True, set the format with
1487
1634
self.get_format_string. (BzrBranch4 has its format set
1489
1636
:return: a branch in this format
1491
mutter('creating branch %r in %s', self, a_bzrdir.transport.base)
1492
branch_transport = a_bzrdir.get_branch_transport(self)
1638
mutter('creating branch %r in %s', self, a_bzrdir.user_url)
1639
branch_transport = a_bzrdir.get_branch_transport(self, name=name)
1494
1641
'metadir': ('lock', lockdir.LockDir),
1495
1642
'branch4': ('branch-lock', lockable_files.TransportLock),
1716
1922
self.old_revno, self.old_revid, self.new_revno, self.new_revid)
1925
class BranchInitHookParams(object):
1926
"""Object holding parameters passed to *_branch_init hooks.
1928
There are 4 fields that hooks may wish to access:
1930
:ivar format: the branch format
1931
:ivar bzrdir: the BzrDir where the branch will be/has been initialized
1932
:ivar name: name of colocated branch, if any (or None)
1933
:ivar branch: the branch created
1935
Note that for lightweight checkouts, the bzrdir and format fields refer to
1936
the checkout, hence they are different from the corresponding fields in
1937
branch, which refer to the original branch.
1940
def __init__(self, format, a_bzrdir, name, branch):
1941
"""Create a group of BranchInitHook parameters.
1943
:param format: the branch format
1944
:param a_bzrdir: the BzrDir where the branch will be/has been
1946
:param name: name of colocated branch, if any (or None)
1947
:param branch: the branch created
1949
Note that for lightweight checkouts, the bzrdir and format fields refer
1950
to the checkout, hence they are different from the corresponding fields
1951
in branch, which refer to the original branch.
1953
self.format = format
1954
self.bzrdir = a_bzrdir
1956
self.branch = branch
1958
def __eq__(self, other):
1959
return self.__dict__ == other.__dict__
1962
return "<%s of %s>" % (self.__class__.__name__, self.branch)
1965
class SwitchHookParams(object):
1966
"""Object holding parameters passed to *_switch hooks.
1968
There are 4 fields that hooks may wish to access:
1970
:ivar control_dir: BzrDir of the checkout to change
1971
:ivar to_branch: branch that the checkout is to reference
1972
:ivar force: skip the check for local commits in a heavy checkout
1973
:ivar revision_id: revision ID to switch to (or None)
1976
def __init__(self, control_dir, to_branch, force, revision_id):
1977
"""Create a group of SwitchHook parameters.
1979
:param control_dir: BzrDir of the checkout to change
1980
:param to_branch: branch that the checkout is to reference
1981
:param force: skip the check for local commits in a heavy checkout
1982
:param revision_id: revision ID to switch to (or None)
1984
self.control_dir = control_dir
1985
self.to_branch = to_branch
1987
self.revision_id = revision_id
1989
def __eq__(self, other):
1990
return self.__dict__ == other.__dict__
1993
return "<%s for %s to (%s, %s)>" % (self.__class__.__name__,
1994
self.control_dir, self.to_branch,
1719
1998
class BzrBranchFormat4(BranchFormat):
1720
1999
"""Bzr branch format 4.
1967
2248
"""See BranchFormat.get_format_description()."""
1968
2249
return "Checkout reference format 1"
1970
def get_reference(self, a_bzrdir):
2251
def get_reference(self, a_bzrdir, name=None):
1971
2252
"""See BranchFormat.get_reference()."""
1972
transport = a_bzrdir.get_branch_transport(None)
1973
return transport.get('location').read()
2253
transport = a_bzrdir.get_branch_transport(None, name=name)
2254
return transport.get_bytes('location')
1975
def set_reference(self, a_bzrdir, to_branch):
2256
def set_reference(self, a_bzrdir, name, to_branch):
1976
2257
"""See BranchFormat.set_reference()."""
1977
transport = a_bzrdir.get_branch_transport(None)
2258
transport = a_bzrdir.get_branch_transport(None, name=name)
1978
2259
location = transport.put_bytes('location', to_branch.base)
1980
def initialize(self, a_bzrdir, target_branch=None):
2261
def initialize(self, a_bzrdir, name=None, target_branch=None):
1981
2262
"""Create a branch of this format in a_bzrdir."""
1982
2263
if target_branch is None:
1983
2264
# this format does not implement branch itself, thus the implicit
1984
2265
# creation contract must see it as uninitializable
1985
2266
raise errors.UninitializableFormat(self)
1986
mutter('creating branch reference in %s', a_bzrdir.transport.base)
1987
branch_transport = a_bzrdir.get_branch_transport(self)
2267
mutter('creating branch reference in %s', a_bzrdir.user_url)
2268
branch_transport = a_bzrdir.get_branch_transport(self, name=name)
1988
2269
branch_transport.put_bytes('location',
1989
target_branch.bzrdir.root_transport.base)
2270
target_branch.bzrdir.user_url)
1990
2271
branch_transport.put_bytes('format', self.get_format_string())
1992
a_bzrdir, _found=True,
2273
a_bzrdir, name, _found=True,
1993
2274
possible_transports=[target_branch.bzrdir.root_transport])
2275
self._run_post_branch_init_hooks(a_bzrdir, name, branch)
1995
2278
def __init__(self):
1996
2279
super(BranchReferenceFormat, self).__init__()
2974
3310
raise NotImplementedError(self.push)
3313
def copy_content_into(self, revision_id=None):
3314
"""Copy the content of source into target
3316
revision_id: if not None, the revision history in the new branch will
3317
be truncated to end with revision_id.
3319
raise NotImplementedError(self.copy_content_into)
2977
3322
class GenericInterBranch(InterBranch):
2978
"""InterBranch implementation that uses public Branch functions.
2982
def _get_branch_formats_to_test():
2983
return BranchFormat._default_format, BranchFormat._default_format
3323
"""InterBranch implementation that uses public Branch functions."""
3326
def is_compatible(klass, source, target):
3327
# GenericBranch uses the public API, so always compatible
3331
def _get_branch_formats_to_test(klass):
3332
return [(BranchFormat._default_format, BranchFormat._default_format)]
3335
def unwrap_format(klass, format):
3336
if isinstance(format, remote.RemoteBranchFormat):
3337
format._ensure_real()
3338
return format._custom_format
3342
def copy_content_into(self, revision_id=None):
3343
"""Copy the content of source into target
3345
revision_id: if not None, the revision history in the new branch will
3346
be truncated to end with revision_id.
3348
self.source.update_references(self.target)
3349
self.source._synchronize_history(self.target, revision_id)
3351
parent = self.source.get_parent()
3352
except errors.InaccessibleParent, e:
3353
mutter('parent was not accessible to copy: %s', e)
3356
self.target.set_parent(parent)
3357
if self.source._push_should_merge_tags():
3358
self.source.tags.merge_to(self.target.tags)
2985
3361
def update_revisions(self, stop_revision=None, overwrite=False,
2987
3363
"""See InterBranch.update_revisions()."""
2988
self.source.lock_read()
2990
other_revno, other_last_revision = self.source.last_revision_info()
2991
stop_revno = None # unknown
2992
if stop_revision is None:
2993
stop_revision = other_last_revision
2994
if _mod_revision.is_null(stop_revision):
2995
# if there are no commits, we're done.
2997
stop_revno = other_revno
2999
# what's the current last revision, before we fetch [and change it
3001
last_rev = _mod_revision.ensure_null(self.target.last_revision())
3002
# we fetch here so that we don't process data twice in the common
3003
# case of having something to pull, and so that the check for
3004
# already merged can operate on the just fetched graph, which will
3005
# be cached in memory.
3006
self.target.fetch(self.source, stop_revision)
3007
# Check to see if one is an ancestor of the other
3010
graph = self.target.repository.get_graph()
3011
if self.target._check_if_descendant_or_diverged(
3012
stop_revision, last_rev, graph, self.source):
3013
# stop_revision is a descendant of last_rev, but we aren't
3014
# overwriting, so we're done.
3016
if stop_revno is None:
3018
graph = self.target.repository.get_graph()
3019
this_revno, this_last_revision = \
3020
self.target.last_revision_info()
3021
stop_revno = graph.find_distance_to_null(stop_revision,
3022
[(other_last_revision, other_revno),
3023
(this_last_revision, this_revno)])
3024
self.target.set_last_revision_info(stop_revno, stop_revision)
3026
self.source.unlock()
3364
other_revno, other_last_revision = self.source.last_revision_info()
3365
stop_revno = None # unknown
3366
if stop_revision is None:
3367
stop_revision = other_last_revision
3368
if _mod_revision.is_null(stop_revision):
3369
# if there are no commits, we're done.
3371
stop_revno = other_revno
3373
# what's the current last revision, before we fetch [and change it
3375
last_rev = _mod_revision.ensure_null(self.target.last_revision())
3376
# we fetch here so that we don't process data twice in the common
3377
# case of having something to pull, and so that the check for
3378
# already merged can operate on the just fetched graph, which will
3379
# be cached in memory.
3380
self.target.fetch(self.source, stop_revision)
3381
# Check to see if one is an ancestor of the other
3384
graph = self.target.repository.get_graph()
3385
if self.target._check_if_descendant_or_diverged(
3386
stop_revision, last_rev, graph, self.source):
3387
# stop_revision is a descendant of last_rev, but we aren't
3388
# overwriting, so we're done.
3390
if stop_revno is None:
3392
graph = self.target.repository.get_graph()
3393
this_revno, this_last_revision = \
3394
self.target.last_revision_info()
3395
stop_revno = graph.find_distance_to_null(stop_revision,
3396
[(other_last_revision, other_revno),
3397
(this_last_revision, this_revno)])
3398
self.target.set_last_revision_info(stop_revno, stop_revision)
3028
3401
def pull(self, overwrite=False, stop_revision=None,
3029
possible_transports=None, _hook_master=None, run_hooks=True,
3402
possible_transports=None, run_hooks=True,
3030
3403
_override_hook_target=None, local=False):
3404
"""Pull from source into self, updating my master if any.
3033
:param _hook_master: Private parameter - set the branch to
3034
be supplied as the master to pull hooks.
3035
3406
:param run_hooks: Private parameter - if false, this branch
3036
3407
is being called because it's the master of the primary branch,
3037
3408
so it should not run its hooks.
3038
:param _override_hook_target: Private parameter - set the branch to be
3039
supplied as the target_branch to pull hooks.
3040
:param local: Only update the local branch, and not the bound branch.
3042
# This type of branch can't be bound.
3410
bound_location = self.target.get_bound_location()
3411
if local and not bound_location:
3044
3412
raise errors.LocalRequiresBoundBranch()
3045
result = PullResult()
3046
result.source_branch = self.source
3047
if _override_hook_target is None:
3048
result.target_branch = self.target
3050
result.target_branch = _override_hook_target
3051
self.source.lock_read()
3413
master_branch = None
3414
if not local and bound_location and self.source.user_url != bound_location:
3415
# not pulling from master, so we need to update master.
3416
master_branch = self.target.get_master_branch(possible_transports)
3417
master_branch.lock_write()
3053
# We assume that during 'pull' the target repository is closer than
3055
self.source.update_references(self.target)
3056
graph = self.target.repository.get_graph(self.source.repository)
3057
# TODO: Branch formats should have a flag that indicates
3058
# that revno's are expensive, and pull() should honor that flag.
3060
result.old_revno, result.old_revid = \
3061
self.target.last_revision_info()
3062
self.target.update_revisions(self.source, stop_revision,
3063
overwrite=overwrite, graph=graph)
3064
# TODO: The old revid should be specified when merging tags,
3065
# so a tags implementation that versions tags can only
3066
# pull in the most recent changes. -- JRV20090506
3067
result.tag_conflicts = self.source.tags.merge_to(self.target.tags,
3069
result.new_revno, result.new_revid = self.target.last_revision_info()
3071
result.master_branch = _hook_master
3072
result.local_branch = result.target_branch
3074
result.master_branch = result.target_branch
3075
result.local_branch = None
3077
for hook in Branch.hooks['post_pull']:
3420
# pull from source into master.
3421
master_branch.pull(self.source, overwrite, stop_revision,
3423
return self._pull(overwrite,
3424
stop_revision, _hook_master=master_branch,
3425
run_hooks=run_hooks,
3426
_override_hook_target=_override_hook_target)
3080
self.source.unlock()
3429
master_branch.unlock()
3083
3431
def push(self, overwrite=False, stop_revision=None,
3084
3432
_override_hook_source_branch=None):
3150
def is_compatible(self, source, target):
3151
# GenericBranch uses the public API, so always compatible
3155
class InterToBranch5(GenericInterBranch):
3158
def _get_branch_formats_to_test():
3159
return BranchFormat._default_format, BzrBranchFormat5()
3161
def pull(self, overwrite=False, stop_revision=None,
3162
possible_transports=None, run_hooks=True,
3497
def _pull(self, overwrite=False, stop_revision=None,
3498
possible_transports=None, _hook_master=None, run_hooks=True,
3163
3499
_override_hook_target=None, local=False):
3164
"""Pull from source into self, updating my master if any.
3502
This function is the core worker, used by GenericInterBranch.pull to
3503
avoid duplication when pulling source->master and source->local.
3505
:param _hook_master: Private parameter - set the branch to
3506
be supplied as the master to pull hooks.
3166
3507
:param run_hooks: Private parameter - if false, this branch
3167
3508
is being called because it's the master of the primary branch,
3168
3509
so it should not run its hooks.
3510
:param _override_hook_target: Private parameter - set the branch to be
3511
supplied as the target_branch to pull hooks.
3512
:param local: Only update the local branch, and not the bound branch.
3170
bound_location = self.target.get_bound_location()
3171
if local and not bound_location:
3514
# This type of branch can't be bound.
3172
3516
raise errors.LocalRequiresBoundBranch()
3173
master_branch = None
3174
if not local and bound_location and self.source.base != bound_location:
3175
# not pulling from master, so we need to update master.
3176
master_branch = self.target.get_master_branch(possible_transports)
3177
master_branch.lock_write()
3517
result = PullResult()
3518
result.source_branch = self.source
3519
if _override_hook_target is None:
3520
result.target_branch = self.target
3522
result.target_branch = _override_hook_target
3523
self.source.lock_read()
3180
# pull from source into master.
3181
master_branch.pull(self.source, overwrite, stop_revision,
3183
return super(InterToBranch5, self).pull(overwrite,
3184
stop_revision, _hook_master=master_branch,
3185
run_hooks=run_hooks,
3186
_override_hook_target=_override_hook_target)
3525
# We assume that during 'pull' the target repository is closer than
3527
self.source.update_references(self.target)
3528
graph = self.target.repository.get_graph(self.source.repository)
3529
# TODO: Branch formats should have a flag that indicates
3530
# that revno's are expensive, and pull() should honor that flag.
3532
result.old_revno, result.old_revid = \
3533
self.target.last_revision_info()
3534
self.target.update_revisions(self.source, stop_revision,
3535
overwrite=overwrite, graph=graph)
3536
# TODO: The old revid should be specified when merging tags,
3537
# so a tags implementation that versions tags can only
3538
# pull in the most recent changes. -- JRV20090506
3539
result.tag_conflicts = self.source.tags.merge_to(self.target.tags,
3541
result.new_revno, result.new_revid = self.target.last_revision_info()
3543
result.master_branch = _hook_master
3544
result.local_branch = result.target_branch
3546
result.master_branch = result.target_branch
3547
result.local_branch = None
3549
for hook in Branch.hooks['post_pull']:
3189
master_branch.unlock()
3552
self.source.unlock()
3192
3556
InterBranch.register_optimiser(GenericInterBranch)
3193
InterBranch.register_optimiser(InterToBranch5)