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)
39
33
from cStringIO import StringIO
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95
from bzrlib.filters import filtered_input_file
103
96
from bzrlib.trace import mutter, note
104
97
from bzrlib.transport.local import LocalTransport
105
from bzrlib.progress import DummyProgress, ProgressPhase
106
98
from bzrlib.revision import CURRENT_REVISION
107
99
from bzrlib.rio import RioReader, rio_file, Stanza
108
100
from bzrlib.symbol_versioning import (
114
106
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.
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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
545
549
parents = [last_rev]
547
merges_file = self._transport.get('pending-merges')
551
merges_bytes = self._transport.get_bytes('pending-merges')
548
552
except errors.NoSuchFile:
551
for l in merges_file.readlines():
555
for l in osutils.split_lines(merges_bytes):
552
556
revision_id = l.rstrip('\n')
553
557
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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file_id = self.path2id(path)
644
# For unversioned files on win32, we just assume they are not
639
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return self._inventory[file_id].executable
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649
def _is_executable_from_path_and_stat_from_stat(self, path, stat_result):
897
905
@needs_write_lock # because merge pulls data into the branch.
898
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def merge_from_branch(self, branch, to_revision=None, from_revision=None,
907
merge_type=None, force=False):
900
908
"""Merge from a branch into this working tree.
902
910
:param branch: The branch to merge from.
906
914
branch.last_revision().
908
916
from bzrlib.merge import Merger, Merge3Merger
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()
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()
1095
1096
tree_transport = self.bzrdir.root_transport.clone(sub_path)
1096
1097
if tree_transport.base != branch_transport.base:
1097
1098
tree_bzrdir = format.initialize_on_transport(tree_transport)
1098
branch.BranchReferenceFormat().initialize(tree_bzrdir, new_branch)
1099
branch.BranchReferenceFormat().initialize(tree_bzrdir,
1100
target_branch=new_branch)
1100
1102
tree_bzrdir = branch_bzrdir
1101
1103
wt = tree_bzrdir.create_workingtree(_mod_revision.NULL_REVISION)
1139
1141
This does not include files that have been deleted in this
1140
1142
tree. Skips the control directory.
1142
:param include_root: if True, do not return an entry for the root
1144
:param include_root: if True, return an entry for the root
1143
1145
:param from_dir: start from this directory or None for the root
1144
1146
:param recursive: whether to recurse into subdirectories or not
1599
1601
@needs_write_lock
1600
1602
def pull(self, source, overwrite=False, stop_revision=None,
1601
1603
change_reporter=None, possible_transports=None, local=False):
1602
top_pb = ui.ui_factory.nested_progress_bar()
1603
1604
source.lock_read()
1605
pp = ProgressPhase("Pull phase", 2, top_pb)
1607
1606
old_revision_info = self.branch.last_revision_info()
1608
1607
basis_tree = self.basis_tree()
1609
1608
count = self.branch.pull(source, overwrite, stop_revision,
1622
1619
new_basis_tree,
1624
1621
this_tree=self,
1626
1623
change_reporter=change_reporter)
1627
1624
basis_root_id = basis_tree.get_root_id()
1628
1625
new_root_id = new_basis_tree.get_root_id()
1629
1626
if basis_root_id != new_root_id:
1630
1627
self.set_root_id(new_root_id)
1633
1629
basis_tree.unlock()
1634
1630
# TODO - dedup parents list with things merged by pull ?
1635
1631
# reuse the revisiontree we merged against to set the new
1739
1734
r"""Check whether the filename matches an ignore pattern.
1741
1736
Patterns containing '/' or '\' need to match the whole path;
1742
others match against only the last component.
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
1741
If the file is ignored, returns the pattern which caused it to
1745
1742
be ignored, otherwise None. So this can simply be used as a
1746
1743
boolean if desired."""
1747
1744
if getattr(self, '_ignoreglobster', None) is None:
1748
self._ignoreglobster = globbing.Globster(self.get_ignore_list())
1745
self._ignoreglobster = globbing.ExceptionGlobster(self.get_ignore_list())
1749
1746
return self._ignoreglobster.match(filename)
1751
1748
def kind(self, file_id):
1895
1896
# revision_id is set. We must check for this full string, because a
1896
1897
# root node id can legitimately look like 'revision_id' but cannot
1897
1898
# contain a '"'.
1898
xml = self.branch.repository.get_inventory_xml(new_revision)
1899
xml = self.branch.repository._get_inventory_xml(new_revision)
1899
1900
firstline = xml.split('\n', 1)[0]
1900
1901
if (not 'revision_id="' in firstline or
1901
1902
'format="7"' not in firstline):
2020
2027
new_status = 'I'
2022
2029
new_status = '?'
2023
textui.show_status(new_status, self.kind(fid), f,
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')
2025
2033
# Unversion file
2026
2034
inv_delta.append((f, None, fid, None))
2027
2035
message = "removed %s" % (f,)
2179
2187
raise NotImplementedError(self.unlock)
2181
def update(self, change_reporter=None, possible_transports=None):
2191
def update(self, change_reporter=None, possible_transports=None,
2192
revision=None, old_tip=_marker):
2182
2193
"""Update a working tree along its branch.
2184
2195
This will update the branch if its bound too, which means we have
2202
2213
- Merge current state -> basis tree of the master w.r.t. the old tree
2204
2215
- 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
2206
2223
if self.branch.get_bound_location() is not None:
2207
2224
self.lock_write()
2208
update_branch = True
2225
update_branch = (old_tip is self._marker)
2210
2227
self.lock_tree_write()
2211
2228
update_branch = False
2213
2230
if update_branch:
2214
2231
old_tip = self.branch.update(possible_transports)
2217
return self._update_tree(old_tip, change_reporter)
2233
if old_tip is self._marker:
2235
return self._update_tree(old_tip, change_reporter, revision)
2221
2239
@needs_tree_write_lock
2222
def _update_tree(self, old_tip=None, change_reporter=None):
2240
def _update_tree(self, old_tip=None, change_reporter=None, revision=None):
2223
2241
"""Update a tree to the master branch.
2225
2243
:param old_tip: if supplied, the previous tip revision the branch,
2235
2253
# We MUST save it even if an error occurs, because otherwise the users
2236
2254
# local work is unreferenced and will appear to have been lost.
2240
2258
last_rev = self.get_parent_ids()[0]
2241
2259
except IndexError:
2242
2260
last_rev = _mod_revision.NULL_REVISION
2243
if last_rev != _mod_revision.ensure_null(self.branch.last_revision()):
2244
# merge tree state up to new branch tip.
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()
2245
2285
basis = self.basis_tree()
2246
2286
basis.lock_read()
2248
to_tree = self.branch.basis_tree()
2249
to_root_id = to_tree.get_root_id()
2250
2288
if (basis.inventory.root is None
2251
2289
or basis.inventory.root.file_id != to_root_id):
2252
2290
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)
2262
2305
# TODO - dedup parents list with things merged by pull ?
2263
2306
# reuse the tree we've updated to to set the basis:
2264
parent_trees = [(self.branch.last_revision(), to_tree)]
2307
parent_trees = [(revision, to_tree)]
2265
2308
merges = self.get_parent_ids()[1:]
2266
2309
# Ideally we ask the tree for the trees here, that way the working
2267
2310
# tree can decide whether to give us the entire tree or give us a
2271
2314
for parent in merges:
2272
2315
parent_trees.append(
2273
2316
(parent, self.branch.repository.revision_tree(parent)))
2274
if (old_tip is not None and not _mod_revision.is_null(old_tip)):
2317
if not _mod_revision.is_null(old_tip):
2275
2318
parent_trees.append(
2276
2319
(old_tip, self.branch.repository.revision_tree(old_tip)))
2277
2320
self.set_parent_trees(parent_trees)
2278
2321
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)
2312
2324
def _write_hashcache_if_dirty(self):
2313
2325
"""Write out the hashcache if it is dirty."""
2768
2779
"""Return the format for the working tree object in a_bzrdir."""
2770
2781
transport = a_bzrdir.get_workingtree_transport(None)
2771
format_string = transport.get("format").read()
2782
format_string = transport.get_bytes("format")
2772
2783
return klass._formats[format_string]
2773
2784
except errors.NoSuchFile:
2774
2785
raise errors.NoWorkingTree(base=transport.base)