29
29
WorkingTree.open(dir).
32
# TODO: Give the workingtree sole responsibility for the working inventory;
33
# remove the variable and references to it from the branch. This may require
34
# updating the commit code so as to update the inventory within the working
35
# copy, and making sure there's only one WorkingTree for any directory on disk.
36
# At the moment they may alias the inventory and have old copies of it in
37
# memory. (Now done? -- mbp 20060309)
33
39
from cStringIO import StringIO
95
101
from bzrlib.filters import filtered_input_file
96
102
from bzrlib.trace import mutter, note
97
103
from bzrlib.transport.local import LocalTransport
104
from bzrlib.progress import DummyProgress, ProgressPhase
98
105
from bzrlib.revision import CURRENT_REVISION
99
106
from bzrlib.rio import RioReader, rio_file, Stanza
100
107
from bzrlib.symbol_versioning import (
914
909
branch.last_revision().
916
911
from bzrlib.merge import Merger, Merge3Merger
917
merger = Merger(self.branch, this_tree=self)
918
# check that there are no local alterations
919
if not force and self.has_changes():
920
raise errors.UncommittedChanges(self)
921
if to_revision is None:
922
to_revision = _mod_revision.ensure_null(branch.last_revision())
923
merger.other_rev_id = to_revision
924
if _mod_revision.is_null(merger.other_rev_id):
925
raise errors.NoCommits(branch)
926
self.branch.fetch(branch, last_revision=merger.other_rev_id)
927
merger.other_basis = merger.other_rev_id
928
merger.other_tree = self.branch.repository.revision_tree(
930
merger.other_branch = branch
931
if from_revision is None:
934
merger.set_base_revision(from_revision, branch)
935
if merger.base_rev_id == merger.other_rev_id:
936
raise errors.PointlessMerge
937
merger.backup_files = False
938
if merge_type is None:
939
merger.merge_type = Merge3Merger
941
merger.merge_type = merge_type
942
merger.set_interesting_files(None)
943
merger.show_base = False
944
merger.reprocess = False
945
conflicts = merger.do_merge()
912
pb = ui.ui_factory.nested_progress_bar()
914
merger = Merger(self.branch, this_tree=self, pb=pb)
915
merger.pp = ProgressPhase("Merge phase", 5, pb)
916
merger.pp.next_phase()
917
# check that there are no local alterations
918
if not force and self.has_changes():
919
raise errors.UncommittedChanges(self)
920
if to_revision is None:
921
to_revision = _mod_revision.ensure_null(branch.last_revision())
922
merger.other_rev_id = to_revision
923
if _mod_revision.is_null(merger.other_rev_id):
924
raise errors.NoCommits(branch)
925
self.branch.fetch(branch, last_revision=merger.other_rev_id)
926
merger.other_basis = merger.other_rev_id
927
merger.other_tree = self.branch.repository.revision_tree(
929
merger.other_branch = branch
930
merger.pp.next_phase()
931
if from_revision is None:
934
merger.set_base_revision(from_revision, branch)
935
if merger.base_rev_id == merger.other_rev_id:
936
raise errors.PointlessMerge
937
merger.backup_files = False
938
if merge_type is None:
939
merger.merge_type = Merge3Merger
941
merger.merge_type = merge_type
942
merger.set_interesting_files(None)
943
merger.show_base = False
944
merger.reprocess = False
945
conflicts = merger.do_merge()
1096
1098
tree_transport = self.bzrdir.root_transport.clone(sub_path)
1097
1099
if tree_transport.base != branch_transport.base:
1098
1100
tree_bzrdir = format.initialize_on_transport(tree_transport)
1099
branch.BranchReferenceFormat().initialize(tree_bzrdir,
1100
target_branch=new_branch)
1101
branch.BranchReferenceFormat().initialize(tree_bzrdir, new_branch)
1102
1103
tree_bzrdir = branch_bzrdir
1103
1104
wt = tree_bzrdir.create_workingtree(_mod_revision.NULL_REVISION)
1141
1142
This does not include files that have been deleted in this
1142
1143
tree. Skips the control directory.
1144
:param include_root: if True, return an entry for the root
1145
:param include_root: if True, do not return an entry for the root
1145
1146
:param from_dir: start from this directory or None for the root
1146
1147
:param recursive: whether to recurse into subdirectories or not
1601
1602
@needs_write_lock
1602
1603
def pull(self, source, overwrite=False, stop_revision=None,
1603
1604
change_reporter=None, possible_transports=None, local=False):
1605
top_pb = ui.ui_factory.nested_progress_bar()
1604
1606
source.lock_read()
1608
pp = ProgressPhase("Pull phase", 2, top_pb)
1606
1610
old_revision_info = self.branch.last_revision_info()
1607
1611
basis_tree = self.basis_tree()
1608
1612
count = self.branch.pull(source, overwrite, stop_revision,
1619
1625
new_basis_tree,
1621
1627
this_tree=self,
1623
1629
change_reporter=change_reporter)
1624
basis_root_id = basis_tree.get_root_id()
1625
new_root_id = new_basis_tree.get_root_id()
1626
if basis_root_id != new_root_id:
1627
self.set_root_id(new_root_id)
1630
if (basis_tree.inventory.root is None and
1631
new_basis_tree.inventory.root is not None):
1632
self.set_root_id(new_basis_tree.get_root_id())
1629
1635
basis_tree.unlock()
1630
1636
# TODO - dedup parents list with things merged by pull ?
1631
1637
# reuse the revisiontree we merged against to set the new
1734
1741
r"""Check whether the filename matches an ignore pattern.
1736
1743
Patterns containing '/' or '\' need to match the whole path;
1737
others match against only the last component. Patterns starting
1738
with '!' are ignore exceptions. Exceptions take precedence
1739
over regular patterns and cause the filename to not be ignored.
1744
others match against only the last component.
1741
1746
If the file is ignored, returns the pattern which caused it to
1742
1747
be ignored, otherwise None. So this can simply be used as a
1743
1748
boolean if desired."""
1744
1749
if getattr(self, '_ignoreglobster', None) is None:
1745
self._ignoreglobster = globbing.ExceptionGlobster(self.get_ignore_list())
1750
self._ignoreglobster = globbing.Globster(self.get_ignore_list())
1746
1751
return self._ignoreglobster.match(filename)
1748
1753
def kind(self, file_id):
1798
1803
raise errors.ObjectNotLocked(self)
1800
1805
def lock_read(self):
1801
"""Lock the tree for reading.
1803
This also locks the branch, and can be unlocked via self.unlock().
1805
:return: An object with an unlock method which will release the lock
1806
"""See Branch.lock_read, and WorkingTree.unlock."""
1808
1807
if not self.is_locked():
1809
1808
self._reset_data()
1810
1809
self.branch.lock_read()
1812
self._control_files.lock_read()
1811
return self._control_files.lock_read()
1815
1813
self.branch.unlock()
1818
1816
def lock_tree_write(self):
1819
"""See MutableTree.lock_tree_write, and WorkingTree.unlock.
1821
:return: An object with an unlock method which will release the lock
1817
"""See MutableTree.lock_tree_write, and WorkingTree.unlock."""
1824
1818
if not self.is_locked():
1825
1819
self._reset_data()
1826
1820
self.branch.lock_read()
1828
self._control_files.lock_write()
1822
return self._control_files.lock_write()
1831
1824
self.branch.unlock()
1834
1827
def lock_write(self):
1835
"""See MutableTree.lock_write, and WorkingTree.unlock.
1837
:return: An object with an unlock method which will release the lock
1828
"""See MutableTree.lock_write, and WorkingTree.unlock."""
1840
1829
if not self.is_locked():
1841
1830
self._reset_data()
1842
1831
self.branch.lock_write()
1844
self._control_files.lock_write()
1833
return self._control_files.lock_write()
1847
1835
self.branch.unlock()
1913
1901
# revision_id is set. We must check for this full string, because a
1914
1902
# root node id can legitimately look like 'revision_id' but cannot
1915
1903
# contain a '"'.
1916
xml = self.branch.repository._get_inventory_xml(new_revision)
1904
xml = self.branch.repository.get_inventory_xml(new_revision)
1917
1905
firstline = xml.split('\n', 1)[0]
1918
1906
if (not 'revision_id="' in firstline or
1919
1907
'format="7"' not in firstline):
2204
2192
raise NotImplementedError(self.unlock)
2208
def update(self, change_reporter=None, possible_transports=None,
2209
revision=None, old_tip=_marker):
2194
def update(self, change_reporter=None, possible_transports=None):
2210
2195
"""Update a working tree along its branch.
2212
2197
This will update the branch if its bound too, which means we have
2230
2215
- Merge current state -> basis tree of the master w.r.t. the old tree
2232
2217
- Do a 'normal' merge of the old branch basis if it is relevant.
2234
:param revision: The target revision to update to. Must be in the
2236
:param old_tip: If branch.update() has already been run, the value it
2237
returned (old tip of the branch or None). _marker is used
2240
2219
if self.branch.get_bound_location() is not None:
2241
2220
self.lock_write()
2242
update_branch = (old_tip is self._marker)
2221
update_branch = True
2244
2223
self.lock_tree_write()
2245
2224
update_branch = False
2247
2226
if update_branch:
2248
2227
old_tip = self.branch.update(possible_transports)
2250
if old_tip is self._marker:
2252
return self._update_tree(old_tip, change_reporter, revision)
2230
return self._update_tree(old_tip, change_reporter)
2256
2234
@needs_tree_write_lock
2257
def _update_tree(self, old_tip=None, change_reporter=None, revision=None):
2235
def _update_tree(self, old_tip=None, change_reporter=None):
2258
2236
"""Update a tree to the master branch.
2260
2238
:param old_tip: if supplied, the previous tip revision the branch,
2270
2248
# We MUST save it even if an error occurs, because otherwise the users
2271
2249
# local work is unreferenced and will appear to have been lost.
2275
2253
last_rev = self.get_parent_ids()[0]
2276
2254
except IndexError:
2277
2255
last_rev = _mod_revision.NULL_REVISION
2278
if revision is None:
2279
revision = self.branch.last_revision()
2281
old_tip = old_tip or _mod_revision.NULL_REVISION
2283
if not _mod_revision.is_null(old_tip) and old_tip != last_rev:
2284
# the branch we are bound to was updated
2285
# merge those changes in first
2286
base_tree = self.basis_tree()
2287
other_tree = self.branch.repository.revision_tree(old_tip)
2288
nb_conflicts = merge.merge_inner(self.branch, other_tree,
2289
base_tree, this_tree=self,
2290
change_reporter=change_reporter)
2292
self.add_parent_tree((old_tip, other_tree))
2293
trace.note('Rerun update after fixing the conflicts.')
2296
if last_rev != _mod_revision.ensure_null(revision):
2297
# the working tree is up to date with the branch
2298
# we can merge the specified revision from master
2299
to_tree = self.branch.repository.revision_tree(revision)
2300
to_root_id = to_tree.get_root_id()
2256
if last_rev != _mod_revision.ensure_null(self.branch.last_revision()):
2257
# merge tree state up to new branch tip.
2302
2258
basis = self.basis_tree()
2303
2259
basis.lock_read()
2305
if (basis.inventory.root is None
2306
or basis.inventory.root.file_id != to_root_id):
2307
self.set_root_id(to_root_id)
2261
to_tree = self.branch.basis_tree()
2262
if basis.inventory.root is None:
2263
self.set_root_id(to_tree.get_root_id())
2265
result += merge.merge_inner(
2270
change_reporter=change_reporter)
2312
# determine the branch point
2313
graph = self.branch.repository.get_graph()
2314
base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
2316
base_tree = self.branch.repository.revision_tree(base_rev_id)
2318
nb_conflicts = merge.merge_inner(self.branch, to_tree, base_tree,
2320
change_reporter=change_reporter)
2321
self.set_last_revision(revision)
2322
2273
# TODO - dedup parents list with things merged by pull ?
2323
2274
# reuse the tree we've updated to to set the basis:
2324
parent_trees = [(revision, to_tree)]
2275
parent_trees = [(self.branch.last_revision(), to_tree)]
2325
2276
merges = self.get_parent_ids()[1:]
2326
2277
# Ideally we ask the tree for the trees here, that way the working
2327
2278
# tree can decide whether to give us the entire tree or give us a
2331
2282
for parent in merges:
2332
2283
parent_trees.append(
2333
2284
(parent, self.branch.repository.revision_tree(parent)))
2334
if not _mod_revision.is_null(old_tip):
2285
if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2335
2286
parent_trees.append(
2336
2287
(old_tip, self.branch.repository.revision_tree(old_tip)))
2337
2288
self.set_parent_trees(parent_trees)
2338
2289
last_rev = parent_trees[0][0]
2291
# the working tree had the same last-revision as the master
2292
# branch did. We may still have pivot local work from the local
2293
# branch into old_tip:
2294
if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2295
self.add_parent_tree_id(old_tip)
2296
if (old_tip is not None and not _mod_revision.is_null(old_tip)
2297
and old_tip != last_rev):
2298
# our last revision was not the prior branch last revision
2299
# and we have converted that last revision to a pending merge.
2300
# base is somewhere between the branch tip now
2301
# and the now pending merge
2303
# Since we just modified the working tree and inventory, flush out
2304
# the current state, before we modify it again.
2305
# TODO: jam 20070214 WorkingTree3 doesn't require this, dirstate
2306
# requires it only because TreeTransform directly munges the
2307
# inventory and calls tree._write_inventory(). Ultimately we
2308
# should be able to remove this extra flush.
2310
graph = self.branch.repository.get_graph()
2311
base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
2313
base_tree = self.branch.repository.revision_tree(base_rev_id)
2314
other_tree = self.branch.repository.revision_tree(old_tip)
2315
result += merge.merge_inner(
2320
change_reporter=change_reporter)
2341
2323
def _write_hashcache_if_dirty(self):
2342
2324
"""Write out the hashcache if it is dirty."""