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
102
from bzrlib.filters import filtered_input_file
96
103
from bzrlib.trace import mutter, note
97
104
from bzrlib.transport.local import LocalTransport
105
from bzrlib.progress import DummyProgress, ProgressPhase
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106
from bzrlib.revision import CURRENT_REVISION
99
107
from bzrlib.rio import RioReader, rio_file, Stanza
100
108
from bzrlib.symbol_versioning import (
106
114
MERGE_MODIFIED_HEADER_1 = "BZR merge-modified list format 1"
107
# TODO: Modifying the conflict objects or their type is currently nearly
108
# impossible as there is no clear relationship between the working tree format
109
# and the conflict list file format.
110
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CONFLICT_HEADER_1 = "BZR conflict list format 1"
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ERROR_PATH_NOT_FOUND = 3 # WindowsError errno code, equivalent to ENOENT
549
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parents = [last_rev]
551
merges_bytes = self._transport.get_bytes('pending-merges')
547
merges_file = self._transport.get('pending-merges')
552
548
except errors.NoSuchFile:
555
for l in osutils.split_lines(merges_bytes):
551
for l in merges_file.readlines():
556
552
revision_id = l.rstrip('\n')
557
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parents.append(revision_id)
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def _is_executable_from_path_and_stat_from_basis(self, path, stat_result):
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638
file_id = self.path2id(path)
644
# For unversioned files on win32, we just assume they are not
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639
return self._inventory[file_id].executable
649
641
def _is_executable_from_path_and_stat_from_stat(self, path, stat_result):
905
897
@needs_write_lock # because merge pulls data into the branch.
906
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def merge_from_branch(self, branch, to_revision=None, from_revision=None,
907
merge_type=None, force=False):
908
900
"""Merge from a branch into this working tree.
910
902
:param branch: The branch to merge from.
914
906
branch.last_revision().
916
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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()
909
pb = ui.ui_factory.nested_progress_bar()
911
merger = Merger(self.branch, this_tree=self, pb=pb)
912
merger.pp = ProgressPhase("Merge phase", 5, pb)
913
merger.pp.next_phase()
914
# check that there are no
916
merger.check_basis(check_clean=True, require_commits=False)
917
if to_revision is None:
918
to_revision = _mod_revision.ensure_null(branch.last_revision())
919
merger.other_rev_id = to_revision
920
if _mod_revision.is_null(merger.other_rev_id):
921
raise errors.NoCommits(branch)
922
self.branch.fetch(branch, last_revision=merger.other_rev_id)
923
merger.other_basis = merger.other_rev_id
924
merger.other_tree = self.branch.repository.revision_tree(
926
merger.other_branch = branch
927
merger.pp.next_phase()
928
if from_revision is None:
931
merger.set_base_revision(from_revision, branch)
932
if merger.base_rev_id == merger.other_rev_id:
933
raise errors.PointlessMerge
934
merger.backup_files = False
935
if merge_type is None:
936
merger.merge_type = Merge3Merger
938
merger.merge_type = merge_type
939
merger.set_interesting_files(None)
940
merger.show_base = False
941
merger.reprocess = False
942
conflicts = merger.do_merge()
1096
1095
tree_transport = self.bzrdir.root_transport.clone(sub_path)
1097
1096
if tree_transport.base != branch_transport.base:
1098
1097
tree_bzrdir = format.initialize_on_transport(tree_transport)
1099
branch.BranchReferenceFormat().initialize(tree_bzrdir,
1100
target_branch=new_branch)
1098
branch.BranchReferenceFormat().initialize(tree_bzrdir, new_branch)
1102
1100
tree_bzrdir = branch_bzrdir
1103
1101
wt = tree_bzrdir.create_workingtree(_mod_revision.NULL_REVISION)
1141
1139
This does not include files that have been deleted in this
1142
1140
tree. Skips the control directory.
1144
:param include_root: if True, return an entry for the root
1142
:param include_root: if True, do not return an entry for the root
1145
1143
:param from_dir: start from this directory or None for the root
1146
1144
:param recursive: whether to recurse into subdirectories or not
1601
1599
@needs_write_lock
1602
1600
def pull(self, source, overwrite=False, stop_revision=None,
1603
1601
change_reporter=None, possible_transports=None, local=False):
1602
top_pb = ui.ui_factory.nested_progress_bar()
1604
1603
source.lock_read()
1605
pp = ProgressPhase("Pull phase", 2, top_pb)
1606
1607
old_revision_info = self.branch.last_revision_info()
1607
1608
basis_tree = self.basis_tree()
1608
1609
count = self.branch.pull(source, overwrite, stop_revision,
1619
1622
new_basis_tree,
1621
1624
this_tree=self,
1623
1626
change_reporter=change_reporter)
1624
1627
basis_root_id = basis_tree.get_root_id()
1625
1628
new_root_id = new_basis_tree.get_root_id()
1626
1629
if basis_root_id != new_root_id:
1627
1630
self.set_root_id(new_root_id)
1629
1633
basis_tree.unlock()
1630
1634
# TODO - dedup parents list with things merged by pull ?
1631
1635
# reuse the revisiontree we merged against to set the new
1734
1739
r"""Check whether the filename matches an ignore pattern.
1736
1741
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.
1742
others match against only the last component.
1741
1744
If the file is ignored, returns the pattern which caused it to
1742
1745
be ignored, otherwise None. So this can simply be used as a
1743
1746
boolean if desired."""
1744
1747
if getattr(self, '_ignoreglobster', None) is None:
1745
self._ignoreglobster = globbing.ExceptionGlobster(self.get_ignore_list())
1748
self._ignoreglobster = globbing.Globster(self.get_ignore_list())
1746
1749
return self._ignoreglobster.match(filename)
1748
1751
def kind(self, file_id):
1896
1895
# revision_id is set. We must check for this full string, because a
1897
1896
# root node id can legitimately look like 'revision_id' but cannot
1898
1897
# contain a '"'.
1899
xml = self.branch.repository._get_inventory_xml(new_revision)
1898
xml = self.branch.repository.get_inventory_xml(new_revision)
1900
1899
firstline = xml.split('\n', 1)[0]
1901
1900
if (not 'revision_id="' in firstline or
1902
1901
'format="7"' not in firstline):
2027
2020
new_status = 'I'
2029
2022
new_status = '?'
2030
# XXX: Really should be a more abstract reporter interface
2031
kind_ch = osutils.kind_marker(self.kind(fid))
2032
to_file.write(new_status + ' ' + f + kind_ch + '\n')
2023
textui.show_status(new_status, self.kind(fid), f,
2033
2025
# Unversion file
2034
2026
inv_delta.append((f, None, fid, None))
2035
2027
message = "removed %s" % (f,)
2187
2179
raise NotImplementedError(self.unlock)
2191
def update(self, change_reporter=None, possible_transports=None,
2192
revision=None, old_tip=_marker):
2181
def update(self, change_reporter=None, possible_transports=None):
2193
2182
"""Update a working tree along its branch.
2195
2184
This will update the branch if its bound too, which means we have
2213
2202
- Merge current state -> basis tree of the master w.r.t. the old tree
2215
2204
- Do a 'normal' merge of the old branch basis if it is relevant.
2217
:param revision: The target revision to update to. Must be in the
2219
:param old_tip: If branch.update() has already been run, the value it
2220
returned (old tip of the branch or None). _marker is used
2223
2206
if self.branch.get_bound_location() is not None:
2224
2207
self.lock_write()
2225
update_branch = (old_tip is self._marker)
2208
update_branch = True
2227
2210
self.lock_tree_write()
2228
2211
update_branch = False
2230
2213
if update_branch:
2231
2214
old_tip = self.branch.update(possible_transports)
2233
if old_tip is self._marker:
2235
return self._update_tree(old_tip, change_reporter, revision)
2217
return self._update_tree(old_tip, change_reporter)
2239
2221
@needs_tree_write_lock
2240
def _update_tree(self, old_tip=None, change_reporter=None, revision=None):
2222
def _update_tree(self, old_tip=None, change_reporter=None):
2241
2223
"""Update a tree to the master branch.
2243
2225
:param old_tip: if supplied, the previous tip revision the branch,
2253
2235
# We MUST save it even if an error occurs, because otherwise the users
2254
2236
# local work is unreferenced and will appear to have been lost.
2258
2240
last_rev = self.get_parent_ids()[0]
2259
2241
except IndexError:
2260
2242
last_rev = _mod_revision.NULL_REVISION
2261
if revision is None:
2262
revision = self.branch.last_revision()
2264
old_tip = old_tip or _mod_revision.NULL_REVISION
2266
if not _mod_revision.is_null(old_tip) and old_tip != last_rev:
2267
# the branch we are bound to was updated
2268
# merge those changes in first
2269
base_tree = self.basis_tree()
2270
other_tree = self.branch.repository.revision_tree(old_tip)
2271
nb_conflicts = merge.merge_inner(self.branch, other_tree,
2272
base_tree, this_tree=self,
2273
change_reporter=change_reporter)
2275
self.add_parent_tree((old_tip, other_tree))
2276
trace.note('Rerun update after fixing the conflicts.')
2279
if last_rev != _mod_revision.ensure_null(revision):
2280
# the working tree is up to date with the branch
2281
# we can merge the specified revision from master
2282
to_tree = self.branch.repository.revision_tree(revision)
2283
to_root_id = to_tree.get_root_id()
2243
if last_rev != _mod_revision.ensure_null(self.branch.last_revision()):
2244
# merge tree state up to new branch tip.
2285
2245
basis = self.basis_tree()
2286
2246
basis.lock_read()
2248
to_tree = self.branch.basis_tree()
2249
to_root_id = to_tree.get_root_id()
2288
2250
if (basis.inventory.root is None
2289
2251
or basis.inventory.root.file_id != to_root_id):
2290
2252
self.set_root_id(to_root_id)
2254
result += merge.merge_inner(
2259
change_reporter=change_reporter)
2295
# determine the branch point
2296
graph = self.branch.repository.get_graph()
2297
base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
2299
base_tree = self.branch.repository.revision_tree(base_rev_id)
2301
nb_conflicts = merge.merge_inner(self.branch, to_tree, base_tree,
2303
change_reporter=change_reporter)
2304
self.set_last_revision(revision)
2305
2262
# TODO - dedup parents list with things merged by pull ?
2306
2263
# reuse the tree we've updated to to set the basis:
2307
parent_trees = [(revision, to_tree)]
2264
parent_trees = [(self.branch.last_revision(), to_tree)]
2308
2265
merges = self.get_parent_ids()[1:]
2309
2266
# Ideally we ask the tree for the trees here, that way the working
2310
2267
# tree can decide whether to give us the entire tree or give us a
2314
2271
for parent in merges:
2315
2272
parent_trees.append(
2316
2273
(parent, self.branch.repository.revision_tree(parent)))
2317
if not _mod_revision.is_null(old_tip):
2274
if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2318
2275
parent_trees.append(
2319
2276
(old_tip, self.branch.repository.revision_tree(old_tip)))
2320
2277
self.set_parent_trees(parent_trees)
2321
2278
last_rev = parent_trees[0][0]
2280
# the working tree had the same last-revision as the master
2281
# branch did. We may still have pivot local work from the local
2282
# branch into old_tip:
2283
if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2284
self.add_parent_tree_id(old_tip)
2285
if (old_tip is not None and not _mod_revision.is_null(old_tip)
2286
and old_tip != last_rev):
2287
# our last revision was not the prior branch last revision
2288
# and we have converted that last revision to a pending merge.
2289
# base is somewhere between the branch tip now
2290
# and the now pending merge
2292
# Since we just modified the working tree and inventory, flush out
2293
# the current state, before we modify it again.
2294
# TODO: jam 20070214 WorkingTree3 doesn't require this, dirstate
2295
# requires it only because TreeTransform directly munges the
2296
# inventory and calls tree._write_inventory(). Ultimately we
2297
# should be able to remove this extra flush.
2299
graph = self.branch.repository.get_graph()
2300
base_rev_id = graph.find_unique_lca(self.branch.last_revision(),
2302
base_tree = self.branch.repository.revision_tree(base_rev_id)
2303
other_tree = self.branch.repository.revision_tree(old_tip)
2304
result += merge.merge_inner(
2309
change_reporter=change_reporter)
2324
2312
def _write_hashcache_if_dirty(self):
2325
2313
"""Write out the hashcache if it is dirty."""
2779
2768
"""Return the format for the working tree object in a_bzrdir."""
2781
2770
transport = a_bzrdir.get_workingtree_transport(None)
2782
format_string = transport.get_bytes("format")
2771
format_string = transport.get("format").read()
2783
2772
return klass._formats[format_string]
2784
2773
except errors.NoSuchFile:
2785
2774
raise errors.NoWorkingTree(base=transport.base)