43
43
# repeatedly to calculate deltas. We could perhaps have a weakref
44
44
# cache in memory to make this faster.
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')
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://')):
52
from bzrlib.remotebranch import RemoteBranch
53
return RemoteBranch(f, **args)
55
return Branch(f, **args)
58
def find_cached_branch(f, cache_root, **args):
59
from bzrlib.remotebranch import RemoteBranch
60
br = find_branch(f, **args)
61
def cacheify(br, store_name):
62
from bzrlib.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')
51
75
def _relpath(base, path):
52
76
"""Return path relative to base, or raise exception.
116
140
"""Branch holding a history of revisions.
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.
143
Base directory of the branch.
168
146
None, or 'r' or 'w'
822
802
pb = bzrlib.ui.ui_factory.progress_bar()
823
803
pb.update('comparing histories')
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
806
revision_ids = self.missing_revisions(other, stop_revision)
831
807
except DivergedBranches, e:
809
if stop_revision is None:
810
end_revision = other.last_patch()
833
811
revision_ids = get_intervening_revisions(self.last_patch(),
834
other_revision, self)
835
813
assert self.last_patch() not in revision_ids
836
814
except bzrlib.errors.NotAncestor:
817
if len(revision_ids) > 0:
818
count = greedy_fetch(self, other, revision_ids[-1], pb)[0]
839
821
self.append_revision(*revision_ids)
822
## note("Added %d revisions." % count)
842
825
def install_revisions(self, other, revision_ids, pb):
843
826
if hasattr(other.revision_store, "prefetch"):
844
827
other.revision_store.prefetch(revision_ids)
845
828
if hasattr(other.inventory_store, "prefetch"):
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:
829
inventory_ids = [other.get_revision(r).inventory_id
830
for r in revision_ids]
853
831
other.inventory_store.prefetch(inventory_ids)
916
915
raise bzrlib.errors.NoSuchRevision(self, revno)
917
916
return history[revno - 1]
918
def _get_revision_info(self, revision):
919
"""Return (revno, revision id) for revision specifier.
921
revision can be an integer, in which case it is assumed to be revno
922
(though this will translate negative values into positive ones)
923
revision can also be a string, in which case it is parsed for something
924
like 'date:' or 'revid:' etc.
926
A revid is always returned. If it is None, the specifier referred to
927
the null revision. If the revid does not occur in the revision
928
history, revno will be None.
934
try:# Convert to int if possible
935
revision = int(revision)
938
revs = self.revision_history()
939
if isinstance(revision, int):
941
revno = len(revs) + revision + 1
944
rev_id = self.get_rev_id(revno, revs)
945
elif isinstance(revision, basestring):
946
for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
947
if revision.startswith(prefix):
948
result = func(self, revs, revision)
950
revno, rev_id = result
953
rev_id = self.get_rev_id(revno, revs)
956
raise BzrError('No namespace registered for string: %r' %
959
raise TypeError('Unhandled revision type %s' % revision)
963
raise bzrlib.errors.NoSuchRevision(self, revision)
966
def _namespace_revno(self, revs, revision):
967
"""Lookup a revision by revision number"""
968
assert revision.startswith('revno:')
970
return (int(revision[6:]),)
973
REVISION_NAMESPACES['revno:'] = _namespace_revno
975
def _namespace_revid(self, revs, revision):
976
assert revision.startswith('revid:')
977
rev_id = revision[len('revid:'):]
979
return revs.index(rev_id) + 1, rev_id
982
REVISION_NAMESPACES['revid:'] = _namespace_revid
984
def _namespace_last(self, revs, revision):
985
assert revision.startswith('last:')
987
offset = int(revision[5:])
992
raise BzrError('You must supply a positive value for --revision last:XXX')
993
return (len(revs) - offset + 1,)
994
REVISION_NAMESPACES['last:'] = _namespace_last
996
def _namespace_tag(self, revs, revision):
997
assert revision.startswith('tag:')
998
raise BzrError('tag: namespace registered, but not implemented.')
999
REVISION_NAMESPACES['tag:'] = _namespace_tag
1001
def _namespace_date(self, revs, revision):
1002
assert revision.startswith('date:')
1004
# Spec for date revisions:
1006
# value can be 'yesterday', 'today', 'tomorrow' or a YYYY-MM-DD string.
1007
# it can also start with a '+/-/='. '+' says match the first
1008
# entry after the given date. '-' is match the first entry before the date
1009
# '=' is match the first entry after, but still on the given date.
1011
# +2005-05-12 says find the first matching entry after May 12th, 2005 at 0:00
1012
# -2005-05-12 says find the first matching entry before May 12th, 2005 at 0:00
1013
# =2005-05-12 says find the first match after May 12th, 2005 at 0:00 but before
1014
# May 13th, 2005 at 0:00
1016
# So the proper way of saying 'give me all entries for today' is:
1017
# -r {date:+today}:{date:-tomorrow}
1018
# The default is '=' when not supplied
1021
if val[:1] in ('+', '-', '='):
1022
match_style = val[:1]
1025
today = datetime.datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
1026
if val.lower() == 'yesterday':
1027
dt = today - datetime.timedelta(days=1)
1028
elif val.lower() == 'today':
1030
elif val.lower() == 'tomorrow':
1031
dt = today + datetime.timedelta(days=1)
1034
# This should be done outside the function to avoid recompiling it.
1035
_date_re = re.compile(
1036
r'(?P<date>(?P<year>\d\d\d\d)-(?P<month>\d\d)-(?P<day>\d\d))?'
1038
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
1040
m = _date_re.match(val)
1041
if not m or (not m.group('date') and not m.group('time')):
1042
raise BzrError('Invalid revision date %r' % revision)
1045
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
1047
year, month, day = today.year, today.month, today.day
1049
hour = int(m.group('hour'))
1050
minute = int(m.group('minute'))
1051
if m.group('second'):
1052
second = int(m.group('second'))
1056
hour, minute, second = 0,0,0
1058
dt = datetime.datetime(year=year, month=month, day=day,
1059
hour=hour, minute=minute, second=second)
1063
if match_style == '-':
1065
elif match_style == '=':
1066
last = dt + datetime.timedelta(days=1)
1069
for i in range(len(revs)-1, -1, -1):
1070
r = self.get_revision(revs[i])
1071
# TODO: Handle timezone.
1072
dt = datetime.datetime.fromtimestamp(r.timestamp)
1073
if first >= dt and (last is None or dt >= last):
1076
for i in range(len(revs)):
1077
r = self.get_revision(revs[i])
1078
# TODO: Handle timezone.
1079
dt = datetime.datetime.fromtimestamp(r.timestamp)
1080
if first <= dt and (last is None or dt <= last):
1082
REVISION_NAMESPACES['date:'] = _namespace_date
920
1084
def revision_tree(self, revision_id):
921
1085
"""Return Tree for a revision on this branch.
1342
1505
The name of a local directory that exists but is empty.
1344
1507
from bzrlib.merge import merge
1345
from bzrlib.revisionspec import RevisionSpec
1347
1509
assert isinstance(branch_from, Branch)
1348
1510
assert isinstance(to_location, basestring)
1350
br_to = Branch.initialize(to_location)
1512
br_to = Branch(to_location, init=True)
1351
1513
br_to.set_root_id(branch_from.get_root_id())
1352
1514
if revision is None:
1353
1515
revno = branch_from.revno()
1355
revno, rev_id = RevisionSpec(revision).in_history(branch_from)
1517
revno, rev_id = branch_from.get_revision_info(revision)
1356
1518
br_to.update_revisions(branch_from, stop_revision=revno)
1357
1519
merge((to_location, -1), (to_location, 0), this_dir=to_location,
1358
1520
check_clean=False, ignore_zero=True)
1359
1522
br_to.set_parent(branch_from.base)