43
43
# repeatedly to calculate deltas. We could perhaps have a weakref
44
44
# cache in memory to make this faster.
46
# TODO: please move the revision-string syntax stuff out of the branch
47
# object; it's clutter
50
def find_branch(f, **args):
51
if f and (f.startswith('http://') or f.startswith('https://')):
53
return remotebranch.RemoteBranch(f, **args)
55
return Branch(f, **args)
58
def find_cached_branch(f, cache_root, **args):
59
from remotebranch import RemoteBranch
60
br = find_branch(f, **args)
61
def cacheify(br, store_name):
62
from meta_store import CachedStore
63
cache_path = os.path.join(cache_root, store_name)
65
new_store = CachedStore(getattr(br, store_name), cache_path)
66
setattr(br, store_name, new_store)
68
if isinstance(br, RemoteBranch):
69
cacheify(br, 'inventory_store')
70
cacheify(br, 'text_store')
71
cacheify(br, 'revision_store')
46
def find_branch(*ignored, **ignored_too):
47
# XXX: leave this here for about one release, then remove it
48
raise NotImplementedError('find_branch() is not supported anymore, '
49
'please use one of the new branch constructors')
75
51
def _relpath(base, path):
76
52
"""Return path relative to base, or raise exception.
148
116
"""Branch holding a history of revisions.
151
Base directory of the branch.
119
Base directory/url of the branch.
123
def __init__(self, *ignored, **ignored_too):
124
raise NotImplementedError('The Branch class is abstract')
128
"""Open an existing branch, rooted at 'base' (url)"""
129
if base and (base.startswith('http://') or base.startswith('https://')):
130
from bzrlib.remotebranch import RemoteBranch
131
return RemoteBranch(base, find_root=False)
133
return LocalBranch(base, find_root=False)
136
def open_containing(url):
137
"""Open an existing branch, containing url (search upwards for the root)
139
if url and (url.startswith('http://') or url.startswith('https://')):
140
from bzrlib.remotebranch import RemoteBranch
141
return RemoteBranch(url)
143
return LocalBranch(url)
146
def initialize(base):
147
"""Create a new branch, rooted at 'base' (url)"""
148
if base and (base.startswith('http://') or base.startswith('https://')):
149
from bzrlib.remotebranch import RemoteBranch
150
return RemoteBranch(base, init=True)
152
return LocalBranch(base, init=True)
154
def setup_caching(self, cache_root):
155
"""Subclasses that care about caching should override this, and set
156
up cached stores located under cache_root.
160
class LocalBranch(Branch):
161
"""A branch stored in the actual filesystem.
163
Note that it's "local" in the context of the filesystem; it doesn't
164
really matter if it's on an nfs/smb/afs/coda/... share, as long as
165
it's writable, and can be accessed via the normal filesystem API.
154
168
None, or 'r' or 'w'
713
708
def common_ancestor(self, other, self_revno=None, other_revno=None):
710
>>> from bzrlib.commit import commit
716
711
>>> sb = ScratchBranch(files=['foo', 'foo~'])
717
712
>>> sb.common_ancestor(sb) == (None, None)
719
>>> commit.commit(sb, "Committing first revision", verbose=False)
714
>>> commit(sb, "Committing first revision", verbose=False)
720
715
>>> sb.common_ancestor(sb)[0]
722
717
>>> clone = sb.clone()
723
>>> commit.commit(sb, "Committing second revision", verbose=False)
718
>>> commit(sb, "Committing second revision", verbose=False)
724
719
>>> sb.common_ancestor(sb)[0]
726
721
>>> sb.common_ancestor(clone)[0]
728
>>> commit.commit(clone, "Committing divergent second revision",
723
>>> commit(clone, "Committing divergent second revision",
729
724
... verbose=False)
730
725
>>> sb.common_ancestor(clone)[0]
822
817
"""Pull in all new revisions from other branch.
824
819
from bzrlib.fetch import greedy_fetch
820
from bzrlib.revision import get_intervening_revisions
826
822
pb = bzrlib.ui.ui_factory.progress_bar()
827
823
pb.update('comparing histories')
829
revision_ids = self.missing_revisions(other, stop_revision)
831
if len(revision_ids) > 0:
832
count = greedy_fetch(self, other, revision_ids[-1], pb)[0]
824
if stop_revision is None:
825
other_revision = other.last_patch()
827
other_revision = other.get_rev_id(stop_revision)
828
count = greedy_fetch(self, other, other_revision, pb)[0]
830
revision_ids = self.missing_revisions(other, stop_revision)
831
except DivergedBranches, e:
833
revision_ids = get_intervening_revisions(self.last_patch(),
834
other_revision, self)
835
assert self.last_patch() not in revision_ids
836
except bzrlib.errors.NotAncestor:
835
839
self.append_revision(*revision_ids)
836
## note("Added %d revisions." % count)
839
842
def install_revisions(self, other, revision_ids, pb):
840
843
if hasattr(other.revision_store, "prefetch"):
841
844
other.revision_store.prefetch(revision_ids)
842
845
if hasattr(other.inventory_store, "prefetch"):
843
inventory_ids = [other.get_revision(r).inventory_id
844
for r in revision_ids]
847
for rev_id in revision_ids:
849
revision = other.get_revision(rev_id).inventory_id
850
inventory_ids.append(revision)
851
except bzrlib.errors.NoSuchRevision:
845
853
other.inventory_store.prefetch(inventory_ids)
906
909
raise bzrlib.errors.NoSuchRevision(self, revision_id)
909
def get_revision_info(self, revision):
910
"""Return (revno, revision id) for revision identifier.
912
revision can be an integer, in which case it is assumed to be revno (though
913
this will translate negative values into positive ones)
914
revision can also be a string, in which case it is parsed for something like
915
'date:' or 'revid:' etc.
920
try:# Convert to int if possible
921
revision = int(revision)
924
revs = self.revision_history()
925
if isinstance(revision, int):
928
# Mabye we should do this first, but we don't need it if revision == 0
930
revno = len(revs) + revision + 1
933
elif isinstance(revision, basestring):
934
for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
935
if revision.startswith(prefix):
936
revno = func(self, revs, revision)
939
raise BzrError('No namespace registered for string: %r' % revision)
941
if revno is None or revno <= 0 or revno > len(revs):
942
raise BzrError("no such revision %s" % revision)
943
return revno, revs[revno-1]
945
def _namespace_revno(self, revs, revision):
946
"""Lookup a revision by revision number"""
947
assert revision.startswith('revno:')
949
return int(revision[6:])
952
REVISION_NAMESPACES['revno:'] = _namespace_revno
954
def _namespace_revid(self, revs, revision):
955
assert revision.startswith('revid:')
957
return revs.index(revision[6:]) + 1
960
REVISION_NAMESPACES['revid:'] = _namespace_revid
962
def _namespace_last(self, revs, revision):
963
assert revision.startswith('last:')
965
offset = int(revision[5:])
970
raise BzrError('You must supply a positive value for --revision last:XXX')
971
return len(revs) - offset + 1
972
REVISION_NAMESPACES['last:'] = _namespace_last
974
def _namespace_tag(self, revs, revision):
975
assert revision.startswith('tag:')
976
raise BzrError('tag: namespace registered, but not implemented.')
977
REVISION_NAMESPACES['tag:'] = _namespace_tag
979
def _namespace_date(self, revs, revision):
980
assert revision.startswith('date:')
982
# Spec for date revisions:
984
# value can be 'yesterday', 'today', 'tomorrow' or a YYYY-MM-DD string.
985
# it can also start with a '+/-/='. '+' says match the first
986
# entry after the given date. '-' is match the first entry before the date
987
# '=' is match the first entry after, but still on the given date.
989
# +2005-05-12 says find the first matching entry after May 12th, 2005 at 0:00
990
# -2005-05-12 says find the first matching entry before May 12th, 2005 at 0:00
991
# =2005-05-12 says find the first match after May 12th, 2005 at 0:00 but before
992
# May 13th, 2005 at 0:00
994
# So the proper way of saying 'give me all entries for today' is:
995
# -r {date:+today}:{date:-tomorrow}
996
# The default is '=' when not supplied
999
if val[:1] in ('+', '-', '='):
1000
match_style = val[:1]
1003
today = datetime.datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
1004
if val.lower() == 'yesterday':
1005
dt = today - datetime.timedelta(days=1)
1006
elif val.lower() == 'today':
1008
elif val.lower() == 'tomorrow':
1009
dt = today + datetime.timedelta(days=1)
1012
# This should be done outside the function to avoid recompiling it.
1013
_date_re = re.compile(
1014
r'(?P<date>(?P<year>\d\d\d\d)-(?P<month>\d\d)-(?P<day>\d\d))?'
1016
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
1018
m = _date_re.match(val)
1019
if not m or (not m.group('date') and not m.group('time')):
1020
raise BzrError('Invalid revision date %r' % revision)
1023
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
1025
year, month, day = today.year, today.month, today.day
1027
hour = int(m.group('hour'))
1028
minute = int(m.group('minute'))
1029
if m.group('second'):
1030
second = int(m.group('second'))
1034
hour, minute, second = 0,0,0
1036
dt = datetime.datetime(year=year, month=month, day=day,
1037
hour=hour, minute=minute, second=second)
1041
if match_style == '-':
1043
elif match_style == '=':
1044
last = dt + datetime.timedelta(days=1)
1047
for i in range(len(revs)-1, -1, -1):
1048
r = self.get_revision(revs[i])
1049
# TODO: Handle timezone.
1050
dt = datetime.datetime.fromtimestamp(r.timestamp)
1051
if first >= dt and (last is None or dt >= last):
1054
for i in range(len(revs)):
1055
r = self.get_revision(revs[i])
1056
# TODO: Handle timezone.
1057
dt = datetime.datetime.fromtimestamp(r.timestamp)
1058
if first <= dt and (last is None or dt <= last):
1060
REVISION_NAMESPACES['date:'] = _namespace_date
912
def get_rev_id(self, revno, history=None):
913
"""Find the revision id of the specified revno."""
917
history = self.revision_history()
918
elif revno <= 0 or revno > len(history):
919
raise bzrlib.errors.NoSuchRevision(self, revno)
920
return history[revno - 1]
1062
923
def revision_tree(self, revision_id):
1063
924
"""Return Tree for a revision on this branch.
1297
class ScratchBranch(Branch):
1161
def get_parent(self):
1162
"""Return the parent location of the branch.
1164
This is the default location for push/pull/missing. The usual
1165
pattern is that the user can override it by specifying a
1169
_locs = ['parent', 'pull', 'x-pull']
1172
return self.controlfile(l, 'r').read().strip('\n')
1174
if e.errno != errno.ENOENT:
1179
def set_parent(self, url):
1180
# TODO: Maybe delete old location files?
1181
from bzrlib.atomicfile import AtomicFile
1184
f = AtomicFile(self.controlfilename('parent'))
1193
def check_revno(self, revno):
1195
Check whether a revno corresponds to any revision.
1196
Zero (the NULL revision) is considered valid.
1199
self.check_real_revno(revno)
1201
def check_real_revno(self, revno):
1203
Check whether a revno corresponds to a real revision.
1204
Zero (the NULL revision) is considered invalid
1206
if revno < 1 or revno > self.revno():
1207
raise InvalidRevisionNumber(revno)
1213
class ScratchBranch(LocalBranch):
1298
1214
"""Special test class: a branch that cleans up after itself.
1300
1216
>>> b = ScratchBranch()
1415
1333
"""Return a new tree-root file id."""
1416
1334
return gen_file_id('TREE_ROOT')
1337
def copy_branch(branch_from, to_location, revision=None):
1338
"""Copy branch_from into the existing directory to_location.
1341
If not None, only revisions up to this point will be copied.
1342
The head of the new branch will be that revision.
1345
The name of a local directory that exists but is empty.
1347
from bzrlib.merge import merge
1348
from bzrlib.revisionspec import RevisionSpec
1350
assert isinstance(branch_from, Branch)
1351
assert isinstance(to_location, basestring)
1353
br_to = Branch.initialize(to_location)
1354
br_to.set_root_id(branch_from.get_root_id())
1355
if revision is None:
1356
revno = branch_from.revno()
1358
revno, rev_id = RevisionSpec(revision).in_history(branch_from)
1359
br_to.update_revisions(branch_from, stop_revision=revno)
1360
merge((to_location, -1), (to_location, 0), this_dir=to_location,
1361
check_clean=False, ignore_zero=True)
1362
br_to.set_parent(branch_from.base)