2680
1772
return ShelfManager(self, self._transport)
2683
class WorkingTree2(WorkingTree):
2684
"""This is the Format 2 working tree.
2686
This was the first weave based working tree.
2687
- uses os locks for locking.
2688
- uses the branch last-revision.
1775
class InventoryWorkingTree(WorkingTree,
1776
bzrlib.mutabletree.MutableInventoryTree):
1777
"""Base class for working trees that are inventory-oriented.
1779
The inventory is held in the `Branch` working-inventory, and the
1780
files are in a directory on disk.
1782
It is possible for a `WorkingTree` to have a filename which is
1783
not listed in the Inventory and vice versa.
2691
def __init__(self, *args, **kwargs):
2692
super(WorkingTree2, self).__init__(*args, **kwargs)
2693
# WorkingTree2 has more of a constraint that self._inventory must
2694
# exist. Because this is an older format, we don't mind the overhead
2695
# caused by the extra computation here.
2697
# Newer WorkingTree's should only have self._inventory set when they
2699
if self._inventory is None:
2700
self.read_working_inventory()
2702
def _get_check_refs(self):
2703
"""Return the references needed to perform a check of this tree."""
2704
return [('trees', self.last_revision())]
1786
def __init__(self, basedir='.',
1787
branch=DEPRECATED_PARAMETER,
1789
_control_files=None,
1793
"""Construct a InventoryWorkingTree instance. This is not a public API.
1795
:param branch: A branch to override probing for the branch.
1797
super(InventoryWorkingTree, self).__init__(basedir=basedir,
1798
branch=branch, _transport=_control_files._transport,
1799
_internal=_internal, _format=_format, _bzrdir=_bzrdir)
1801
self._control_files = _control_files
1802
self._detect_case_handling()
1804
if _inventory is None:
1805
# This will be acquired on lock_read() or lock_write()
1806
self._inventory_is_modified = False
1807
self._inventory = None
1809
# the caller of __init__ has provided an inventory,
1810
# we assume they know what they are doing - as its only
1811
# the Format factory and creation methods that are
1812
# permitted to do this.
1813
self._set_inventory(_inventory, dirty=False)
1815
def _set_inventory(self, inv, dirty):
1816
"""Set the internal cached inventory.
1818
:param inv: The inventory to set.
1819
:param dirty: A boolean indicating whether the inventory is the same
1820
logical inventory as whats on disk. If True the inventory is not
1821
the same and should be written to disk or data will be lost, if
1822
False then the inventory is the same as that on disk and any
1823
serialisation would be unneeded overhead.
1825
self._inventory = inv
1826
self._inventory_is_modified = dirty
1828
def _detect_case_handling(self):
1829
wt_trans = self.bzrdir.get_workingtree_transport(None)
1831
wt_trans.stat(self._format.case_sensitive_filename)
1832
except errors.NoSuchFile:
1833
self.case_sensitive = True
1835
self.case_sensitive = False
1837
self._setup_directory_is_tree_reference()
1839
def _serialize(self, inventory, out_file):
1840
xml5.serializer_v5.write_inventory(self._inventory, out_file,
1843
def _deserialize(selt, in_file):
1844
return xml5.serializer_v5.read_inventory(in_file)
1846
def break_lock(self):
1847
"""Break a lock if one is present from another instance.
1849
Uses the ui factory to ask for confirmation if the lock may be from
1852
This will probe the repository for its lock as well.
1854
self._control_files.break_lock()
1855
self.branch.break_lock()
1857
def is_locked(self):
1858
return self._control_files.is_locked()
1860
def _must_be_locked(self):
1861
if not self.is_locked():
1862
raise errors.ObjectNotLocked(self)
1864
def lock_read(self):
1865
"""Lock the tree for reading.
1867
This also locks the branch, and can be unlocked via self.unlock().
1869
:return: A bzrlib.lock.LogicalLockResult.
1871
if not self.is_locked():
1873
self.branch.lock_read()
1875
self._control_files.lock_read()
1876
return LogicalLockResult(self.unlock)
1878
self.branch.unlock()
2706
1881
def lock_tree_write(self):
2707
"""See WorkingTree.lock_tree_write().
2709
In Format2 WorkingTrees we have a single lock for the branch and tree
2710
so lock_tree_write() degrades to lock_write().
2712
:return: An object with an unlock method which will release the lock
1882
"""See MutableTree.lock_tree_write, and WorkingTree.unlock.
1884
:return: A bzrlib.lock.LogicalLockResult.
1886
if not self.is_locked():
1888
self.branch.lock_read()
1890
self._control_files.lock_write()
1891
return LogicalLockResult(self.unlock)
1893
self.branch.unlock()
1896
def lock_write(self):
1897
"""See MutableTree.lock_write, and WorkingTree.unlock.
1899
:return: A bzrlib.lock.LogicalLockResult.
1901
if not self.is_locked():
2715
1903
self.branch.lock_write()
2717
1905
self._control_files.lock_write()
1906
return LogicalLockResult(self.unlock)
2720
1908
self.branch.unlock()
2724
# do non-implementation specific cleanup
2727
# we share control files:
2728
if self._control_files._lock_count == 3:
2729
# _inventory_is_modified is always False during a read lock.
2730
if self._inventory_is_modified:
2732
self._write_hashcache_if_dirty()
2734
# reverse order of locking.
1911
def get_physical_lock_status(self):
1912
return self._control_files.get_physical_lock_status()
1914
@needs_tree_write_lock
1915
def _write_inventory(self, inv):
1916
"""Write inventory as the current inventory."""
1917
self._set_inventory(inv, dirty=True)
1920
# XXX: This method should be deprecated in favour of taking in a proper
1921
# new Inventory object.
1922
@needs_tree_write_lock
1923
def set_inventory(self, new_inventory_list):
1924
from bzrlib.inventory import (Inventory,
1928
inv = Inventory(self.get_root_id())
1929
for path, file_id, parent, kind in new_inventory_list:
1930
name = os.path.basename(path)
1933
# fixme, there should be a factory function inv,add_??
1934
if kind == 'directory':
1935
inv.add(InventoryDirectory(file_id, name, parent))
1936
elif kind == 'file':
1937
inv.add(InventoryFile(file_id, name, parent))
1938
elif kind == 'symlink':
1939
inv.add(InventoryLink(file_id, name, parent))
1941
raise errors.BzrError("unknown kind %r" % kind)
1942
self._write_inventory(inv)
1944
def _write_basis_inventory(self, xml):
1945
"""Write the basis inventory XML to the basis-inventory file"""
1946
path = self._basis_inventory_name()
1948
self._transport.put_file(path, sio,
1949
mode=self.bzrdir._get_file_mode())
1951
def _reset_data(self):
1952
"""Reset transient data that cannot be revalidated."""
1953
self._inventory_is_modified = False
1954
f = self._transport.get('inventory')
2736
return self._control_files.unlock()
1956
result = self._deserialize(f)
2738
self.branch.unlock()
2741
class WorkingTree3(WorkingTree):
2742
"""This is the Format 3 working tree.
2744
This differs from the base WorkingTree by:
2745
- having its own file lock
2746
- having its own last-revision property.
2748
This is new in bzr 0.8
2752
def _last_revision(self):
2753
"""See Mutable.last_revision."""
1959
self._set_inventory(result, dirty=False)
1961
def _set_root_id(self, file_id):
1962
"""Set the root id for this tree, in a format specific manner.
1964
:param file_id: The file id to assign to the root. It must not be
1965
present in the current inventory or an error will occur. It must
1966
not be None, but rather a valid file id.
1968
inv = self._inventory
1969
orig_root_id = inv.root.file_id
1970
# TODO: it might be nice to exit early if there was nothing
1971
# to do, saving us from trigger a sync on unlock.
1972
self._inventory_is_modified = True
1973
# we preserve the root inventory entry object, but
1974
# unlinkit from the byid index
1975
del inv._byid[inv.root.file_id]
1976
inv.root.file_id = file_id
1977
# and link it into the index with the new changed id.
1978
inv._byid[inv.root.file_id] = inv.root
1979
# and finally update all children to reference the new id.
1980
# XXX: this should be safe to just look at the root.children
1981
# list, not the WHOLE INVENTORY.
1984
if entry.parent_id == orig_root_id:
1985
entry.parent_id = inv.root.file_id
1987
@needs_tree_write_lock
1988
def set_parent_trees(self, parents_list, allow_leftmost_as_ghost=False):
1989
"""See MutableTree.set_parent_trees."""
1990
parent_ids = [rev for (rev, tree) in parents_list]
1991
for revision_id in parent_ids:
1992
_mod_revision.check_not_reserved_id(revision_id)
1994
self._check_parents_for_ghosts(parent_ids,
1995
allow_leftmost_as_ghost=allow_leftmost_as_ghost)
1997
parent_ids = self._filter_parent_ids_by_ancestry(parent_ids)
1999
if len(parent_ids) == 0:
2000
leftmost_parent_id = _mod_revision.NULL_REVISION
2001
leftmost_parent_tree = None
2003
leftmost_parent_id, leftmost_parent_tree = parents_list[0]
2005
if self._change_last_revision(leftmost_parent_id):
2006
if leftmost_parent_tree is None:
2007
# If we don't have a tree, fall back to reading the
2008
# parent tree from the repository.
2009
self._cache_basis_inventory(leftmost_parent_id)
2011
inv = leftmost_parent_tree.root_inventory
2012
xml = self._create_basis_xml_from_inventory(
2013
leftmost_parent_id, inv)
2014
self._write_basis_inventory(xml)
2015
self._set_merges_from_parent_ids(parent_ids)
2017
def _cache_basis_inventory(self, new_revision):
2018
"""Cache new_revision as the basis inventory."""
2019
# TODO: this should allow the ready-to-use inventory to be passed in,
2020
# as commit already has that ready-to-use [while the format is the
2755
return self._transport.get_bytes('last-revision')
2756
except errors.NoSuchFile:
2757
return _mod_revision.NULL_REVISION
2759
def _change_last_revision(self, revision_id):
2760
"""See WorkingTree._change_last_revision."""
2761
if revision_id is None or revision_id == _mod_revision.NULL_REVISION:
2763
self._transport.delete('last-revision')
2764
except errors.NoSuchFile:
2768
self._transport.put_bytes('last-revision', revision_id,
2769
mode=self.bzrdir._get_file_mode())
2772
def _get_check_refs(self):
2773
"""Return the references needed to perform a check of this tree."""
2774
return [('trees', self.last_revision())]
2023
# this double handles the inventory - unpack and repack -
2024
# but is easier to understand. We can/should put a conditional
2025
# in here based on whether the inventory is in the latest format
2026
# - perhaps we should repack all inventories on a repository
2028
# the fast path is to copy the raw xml from the repository. If the
2029
# xml contains 'revision_id="', then we assume the right
2030
# revision_id is set. We must check for this full string, because a
2031
# root node id can legitimately look like 'revision_id' but cannot
2033
xml = self.branch.repository._get_inventory_xml(new_revision)
2034
firstline = xml.split('\n', 1)[0]
2035
if (not 'revision_id="' in firstline or
2036
'format="7"' not in firstline):
2037
inv = self.branch.repository._serializer.read_inventory_from_string(
2039
xml = self._create_basis_xml_from_inventory(new_revision, inv)
2040
self._write_basis_inventory(xml)
2041
except (errors.NoSuchRevision, errors.RevisionNotPresent):
2044
def _basis_inventory_name(self):
2045
return 'basis-inventory-cache'
2047
def _create_basis_xml_from_inventory(self, revision_id, inventory):
2048
"""Create the text that will be saved in basis-inventory"""
2049
inventory.revision_id = revision_id
2050
return xml7.serializer_v7.write_inventory_to_string(inventory)
2776
2052
@needs_tree_write_lock
2777
2053
def set_conflicts(self, conflicts):
2797
2073
raise errors.ConflictFormatError()
2798
2074
except StopIteration:
2799
2075
raise errors.ConflictFormatError()
2800
return _mod_conflicts.ConflictList.from_stanzas(RioReader(confile))
2076
reader = _mod_rio.RioReader(confile)
2077
return _mod_conflicts.ConflictList.from_stanzas(reader)
2802
2079
confile.close()
2805
# do non-implementation specific cleanup
2807
if self._control_files._lock_count == 1:
2808
# _inventory_is_modified is always False during a read lock.
2809
if self._inventory_is_modified:
2811
self._write_hashcache_if_dirty()
2812
# reverse order of locking.
2814
return self._control_files.unlock()
2816
self.branch.unlock()
2819
def get_conflicted_stem(path):
2820
for suffix in _mod_conflicts.CONFLICT_SUFFIXES:
2821
if path.endswith(suffix):
2822
return path[:-len(suffix)]
2825
class WorkingTreeFormat(object):
2081
def read_basis_inventory(self):
2082
"""Read the cached basis inventory."""
2083
path = self._basis_inventory_name()
2084
return self._transport.get_bytes(path)
2087
def read_working_inventory(self):
2088
"""Read the working inventory.
2090
:raises errors.InventoryModified: read_working_inventory will fail
2091
when the current in memory inventory has been modified.
2093
# conceptually this should be an implementation detail of the tree.
2094
# XXX: Deprecate this.
2095
# ElementTree does its own conversion from UTF-8, so open in
2097
if self._inventory_is_modified:
2098
raise errors.InventoryModified(self)
2099
f = self._transport.get('inventory')
2101
result = self._deserialize(f)
2104
self._set_inventory(result, dirty=False)
2108
def get_root_id(self):
2109
"""Return the id of this trees root"""
2110
return self._inventory.root.file_id
2112
def has_id(self, file_id):
2113
# files that have been deleted are excluded
2114
inv, inv_file_id = self._unpack_file_id(file_id)
2115
if not inv.has_id(inv_file_id):
2117
path = inv.id2path(inv_file_id)
2118
return osutils.lexists(self.abspath(path))
2120
def has_or_had_id(self, file_id):
2121
if file_id == self.get_root_id():
2123
inv, inv_file_id = self._unpack_file_id(file_id)
2124
return inv.has_id(inv_file_id)
2126
def all_file_ids(self):
2127
"""Iterate through file_ids for this tree.
2129
file_ids are in a WorkingTree if they are in the working inventory
2130
and the working file exists.
2133
for path, ie in self.iter_entries_by_dir():
2137
@needs_tree_write_lock
2138
def set_last_revision(self, new_revision):
2139
"""Change the last revision in the working tree."""
2140
if self._change_last_revision(new_revision):
2141
self._cache_basis_inventory(new_revision)
2143
def _get_check_refs(self):
2144
"""Return the references needed to perform a check of this tree.
2146
The default implementation returns no refs, and is only suitable for
2147
trees that have no local caching and can commit on ghosts at any time.
2149
:seealso: bzrlib.check for details about check_refs.
2154
def _check(self, references):
2155
"""Check the tree for consistency.
2157
:param references: A dict with keys matching the items returned by
2158
self._get_check_refs(), and values from looking those keys up in
2161
tree_basis = self.basis_tree()
2162
tree_basis.lock_read()
2164
repo_basis = references[('trees', self.last_revision())]
2165
if len(list(repo_basis.iter_changes(tree_basis))) > 0:
2166
raise errors.BzrCheckError(
2167
"Mismatched basis inventory content.")
2173
def check_state(self):
2174
"""Check that the working state is/isn't valid."""
2175
check_refs = self._get_check_refs()
2177
for ref in check_refs:
2180
refs[ref] = self.branch.repository.revision_tree(value)
2183
@needs_tree_write_lock
2184
def reset_state(self, revision_ids=None):
2185
"""Reset the state of the working tree.
2187
This does a hard-reset to a last-known-good state. This is a way to
2188
fix if something got corrupted (like the .bzr/checkout/dirstate file)
2190
if revision_ids is None:
2191
revision_ids = self.get_parent_ids()
2192
if not revision_ids:
2193
rt = self.branch.repository.revision_tree(
2194
_mod_revision.NULL_REVISION)
2196
rt = self.branch.repository.revision_tree(revision_ids[0])
2197
self._write_inventory(rt.root_inventory)
2198
self.set_parent_ids(revision_ids)
2201
"""Write the in memory inventory to disk."""
2202
# TODO: Maybe this should only write on dirty ?
2203
if self._control_files._lock_mode != 'w':
2204
raise errors.NotWriteLocked(self)
2206
self._serialize(self._inventory, sio)
2208
self._transport.put_file('inventory', sio,
2209
mode=self.bzrdir._get_file_mode())
2210
self._inventory_is_modified = False
2212
def get_file_mtime(self, file_id, path=None):
2213
"""See Tree.get_file_mtime."""
2215
path = self.id2path(file_id)
2217
return os.lstat(self.abspath(path)).st_mtime
2219
if e.errno == errno.ENOENT:
2220
raise errors.FileTimestampUnavailable(path)
2223
def _is_executable_from_path_and_stat_from_basis(self, path, stat_result):
2224
inv, file_id = self._path2inv_file_id(path)
2226
# For unversioned files on win32, we just assume they are not
2229
return inv[file_id].executable
2231
def _is_executable_from_path_and_stat_from_stat(self, path, stat_result):
2232
mode = stat_result.st_mode
2233
return bool(stat.S_ISREG(mode) and stat.S_IEXEC & mode)
2235
def is_executable(self, file_id, path=None):
2236
if not self._supports_executable():
2237
inv, inv_file_id = self._unpack_file_id(file_id)
2238
return inv[inv_file_id].executable
2241
path = self.id2path(file_id)
2242
mode = os.lstat(self.abspath(path)).st_mode
2243
return bool(stat.S_ISREG(mode) and stat.S_IEXEC & mode)
2245
def _is_executable_from_path_and_stat(self, path, stat_result):
2246
if not self._supports_executable():
2247
return self._is_executable_from_path_and_stat_from_basis(path, stat_result)
2249
return self._is_executable_from_path_and_stat_from_stat(path, stat_result)
2251
@needs_tree_write_lock
2252
def _add(self, files, ids, kinds):
2253
"""See MutableTree._add."""
2254
# TODO: Re-adding a file that is removed in the working copy
2255
# should probably put it back with the previous ID.
2256
# the read and write working inventory should not occur in this
2257
# function - they should be part of lock_write and unlock.
2258
# FIXME: nested trees
2259
inv = self.root_inventory
2260
for f, file_id, kind in zip(files, ids, kinds):
2262
inv.add_path(f, kind=kind)
2264
inv.add_path(f, kind=kind, file_id=file_id)
2265
self._inventory_is_modified = True
2267
def revision_tree(self, revision_id):
2268
"""See WorkingTree.revision_id."""
2269
if revision_id == self.last_revision():
2271
xml = self.read_basis_inventory()
2272
except errors.NoSuchFile:
2276
inv = xml7.serializer_v7.read_inventory_from_string(xml)
2277
# dont use the repository revision_tree api because we want
2278
# to supply the inventory.
2279
if inv.revision_id == revision_id:
2280
return revisiontree.InventoryRevisionTree(
2281
self.branch.repository, inv, revision_id)
2282
except errors.BadInventoryFormat:
2284
# raise if there was no inventory, or if we read the wrong inventory.
2285
raise errors.NoSuchRevisionInTree(self, revision_id)
2288
def annotate_iter(self, file_id, default_revision=CURRENT_REVISION):
2289
"""See Tree.annotate_iter
2291
This implementation will use the basis tree implementation if possible.
2292
Lines not in the basis are attributed to CURRENT_REVISION
2294
If there are pending merges, lines added by those merges will be
2295
incorrectly attributed to CURRENT_REVISION (but after committing, the
2296
attribution will be correct).
2298
maybe_file_parent_keys = []
2299
for parent_id in self.get_parent_ids():
2301
parent_tree = self.revision_tree(parent_id)
2302
except errors.NoSuchRevisionInTree:
2303
parent_tree = self.branch.repository.revision_tree(parent_id)
2304
parent_tree.lock_read()
2307
kind = parent_tree.kind(file_id)
2308
except errors.NoSuchId:
2311
# Note: this is slightly unnecessary, because symlinks and
2312
# directories have a "text" which is the empty text, and we
2313
# know that won't mess up annotations. But it seems cleaner
2316
file_id, parent_tree.get_file_revision(file_id))
2317
if parent_text_key not in maybe_file_parent_keys:
2318
maybe_file_parent_keys.append(parent_text_key)
2320
parent_tree.unlock()
2321
graph = _mod_graph.Graph(self.branch.repository.texts)
2322
heads = graph.heads(maybe_file_parent_keys)
2323
file_parent_keys = []
2324
for key in maybe_file_parent_keys:
2326
file_parent_keys.append(key)
2328
# Now we have the parents of this content
2329
annotator = self.branch.repository.texts.get_annotator()
2330
text = self.get_file_text(file_id)
2331
this_key =(file_id, default_revision)
2332
annotator.add_special_text(this_key, file_parent_keys, text)
2333
annotations = [(key[-1], line)
2334
for key, line in annotator.annotate_flat(this_key)]
2337
def _put_rio(self, filename, stanzas, header):
2338
self._must_be_locked()
2339
my_file = _mod_rio.rio_file(stanzas, header)
2340
self._transport.put_file(filename, my_file,
2341
mode=self.bzrdir._get_file_mode())
2343
@needs_tree_write_lock
2344
def set_merge_modified(self, modified_hashes):
2346
for file_id, hash in modified_hashes.iteritems():
2347
yield _mod_rio.Stanza(file_id=file_id.decode('utf8'),
2349
self._put_rio('merge-hashes', iter_stanzas(), MERGE_MODIFIED_HEADER_1)
2352
def merge_modified(self):
2353
"""Return a dictionary of files modified by a merge.
2355
The list is initialized by WorkingTree.set_merge_modified, which is
2356
typically called after we make some automatic updates to the tree
2359
This returns a map of file_id->sha1, containing only files which are
2360
still in the working inventory and have that text hash.
2363
hashfile = self._transport.get('merge-hashes')
2364
except errors.NoSuchFile:
2369
if hashfile.next() != MERGE_MODIFIED_HEADER_1 + '\n':
2370
raise errors.MergeModifiedFormatError()
2371
except StopIteration:
2372
raise errors.MergeModifiedFormatError()
2373
for s in _mod_rio.RioReader(hashfile):
2374
# RioReader reads in Unicode, so convert file_ids back to utf8
2375
file_id = osutils.safe_file_id(s.get("file_id"), warn=False)
2376
if not self.has_id(file_id):
2378
text_hash = s.get("hash")
2379
if text_hash == self.get_file_sha1(file_id):
2380
merge_hashes[file_id] = text_hash
2386
def subsume(self, other_tree):
2387
def add_children(inventory, entry):
2388
for child_entry in entry.children.values():
2389
inventory._byid[child_entry.file_id] = child_entry
2390
if child_entry.kind == 'directory':
2391
add_children(inventory, child_entry)
2392
if other_tree.get_root_id() == self.get_root_id():
2393
raise errors.BadSubsumeSource(self, other_tree,
2394
'Trees have the same root')
2396
other_tree_path = self.relpath(other_tree.basedir)
2397
except errors.PathNotChild:
2398
raise errors.BadSubsumeSource(self, other_tree,
2399
'Tree is not contained by the other')
2400
new_root_parent = self.path2id(osutils.dirname(other_tree_path))
2401
if new_root_parent is None:
2402
raise errors.BadSubsumeSource(self, other_tree,
2403
'Parent directory is not versioned.')
2404
# We need to ensure that the result of a fetch will have a
2405
# versionedfile for the other_tree root, and only fetching into
2406
# RepositoryKnit2 guarantees that.
2407
if not self.branch.repository.supports_rich_root():
2408
raise errors.SubsumeTargetNeedsUpgrade(other_tree)
2409
other_tree.lock_tree_write()
2411
new_parents = other_tree.get_parent_ids()
2412
other_root = other_tree.root_inventory.root
2413
other_root.parent_id = new_root_parent
2414
other_root.name = osutils.basename(other_tree_path)
2415
self.root_inventory.add(other_root)
2416
add_children(self.root_inventory, other_root)
2417
self._write_inventory(self.root_inventory)
2418
# normally we don't want to fetch whole repositories, but i think
2419
# here we really do want to consolidate the whole thing.
2420
for parent_id in other_tree.get_parent_ids():
2421
self.branch.fetch(other_tree.branch, parent_id)
2422
self.add_parent_tree_id(parent_id)
2425
other_tree.bzrdir.retire_bzrdir()
2427
@needs_tree_write_lock
2428
def extract(self, file_id, format=None):
2429
"""Extract a subtree from this tree.
2431
A new branch will be created, relative to the path for this tree.
2435
segments = osutils.splitpath(path)
2436
transport = self.branch.bzrdir.root_transport
2437
for name in segments:
2438
transport = transport.clone(name)
2439
transport.ensure_base()
2442
sub_path = self.id2path(file_id)
2443
branch_transport = mkdirs(sub_path)
2445
format = self.bzrdir.cloning_metadir()
2446
branch_transport.ensure_base()
2447
branch_bzrdir = format.initialize_on_transport(branch_transport)
2449
repo = branch_bzrdir.find_repository()
2450
except errors.NoRepositoryPresent:
2451
repo = branch_bzrdir.create_repository()
2452
if not repo.supports_rich_root():
2453
raise errors.RootNotRich()
2454
new_branch = branch_bzrdir.create_branch()
2455
new_branch.pull(self.branch)
2456
for parent_id in self.get_parent_ids():
2457
new_branch.fetch(self.branch, parent_id)
2458
tree_transport = self.bzrdir.root_transport.clone(sub_path)
2459
if tree_transport.base != branch_transport.base:
2460
tree_bzrdir = format.initialize_on_transport(tree_transport)
2461
tree_bzrdir.set_branch_reference(new_branch)
2463
tree_bzrdir = branch_bzrdir
2464
wt = tree_bzrdir.create_workingtree(_mod_revision.NULL_REVISION)
2465
wt.set_parent_ids(self.get_parent_ids())
2466
# FIXME: Support nested trees
2467
my_inv = self.root_inventory
2468
child_inv = inventory.Inventory(root_id=None)
2469
new_root = my_inv[file_id]
2470
my_inv.remove_recursive_id(file_id)
2471
new_root.parent_id = None
2472
child_inv.add(new_root)
2473
self._write_inventory(my_inv)
2474
wt._write_inventory(child_inv)
2477
def list_files(self, include_root=False, from_dir=None, recursive=True):
2478
"""List all files as (path, class, kind, id, entry).
2480
Lists, but does not descend into unversioned directories.
2481
This does not include files that have been deleted in this
2482
tree. Skips the control directory.
2484
:param include_root: if True, return an entry for the root
2485
:param from_dir: start from this directory or None for the root
2486
:param recursive: whether to recurse into subdirectories or not
2488
# list_files is an iterator, so @needs_read_lock doesn't work properly
2489
# with it. So callers should be careful to always read_lock the tree.
2490
if not self.is_locked():
2491
raise errors.ObjectNotLocked(self)
2493
if from_dir is None and include_root is True:
2494
yield ('', 'V', 'directory', self.get_root_id(), self.root_inventory.root)
2495
# Convert these into local objects to save lookup times
2496
pathjoin = osutils.pathjoin
2497
file_kind = self._kind
2499
# transport.base ends in a slash, we want the piece
2500
# between the last two slashes
2501
transport_base_dir = self.bzrdir.transport.base.rsplit('/', 2)[1]
2503
fk_entries = {'directory':TreeDirectory, 'file':TreeFile, 'symlink':TreeLink}
2505
# directory file_id, relative path, absolute path, reverse sorted children
2506
if from_dir is not None:
2507
inv, from_dir_id = self._path2inv_file_id(from_dir)
2508
if from_dir_id is None:
2509
# Directory not versioned
2511
from_dir_abspath = pathjoin(self.basedir, from_dir)
2513
inv = self.root_inventory
2514
from_dir_id = inv.root.file_id
2515
from_dir_abspath = self.basedir
2516
children = os.listdir(from_dir_abspath)
2518
# jam 20060527 The kernel sized tree seems equivalent whether we
2519
# use a deque and popleft to keep them sorted, or if we use a plain
2520
# list and just reverse() them.
2521
children = collections.deque(children)
2522
stack = [(from_dir_id, u'', from_dir_abspath, children)]
2524
from_dir_id, from_dir_relpath, from_dir_abspath, children = stack[-1]
2527
f = children.popleft()
2528
## TODO: If we find a subdirectory with its own .bzr
2529
## directory, then that is a separate tree and we
2530
## should exclude it.
2532
# the bzrdir for this tree
2533
if transport_base_dir == f:
2536
# we know that from_dir_relpath and from_dir_abspath never end in a slash
2537
# and 'f' doesn't begin with one, we can do a string op, rather
2538
# than the checks of pathjoin(), all relative paths will have an extra slash
2540
fp = from_dir_relpath + '/' + f
2543
fap = from_dir_abspath + '/' + f
2545
dir_ie = inv[from_dir_id]
2546
if dir_ie.kind == 'directory':
2547
f_ie = dir_ie.children.get(f)
2552
elif self.is_ignored(fp[1:]):
2555
# we may not have found this file, because of a unicode
2556
# issue, or because the directory was actually a symlink.
2557
f_norm, can_access = osutils.normalized_filename(f)
2558
if f == f_norm or not can_access:
2559
# No change, so treat this file normally
2562
# this file can be accessed by a normalized path
2563
# check again if it is versioned
2564
# these lines are repeated here for performance
2566
fp = from_dir_relpath + '/' + f
2567
fap = from_dir_abspath + '/' + f
2568
f_ie = inv.get_child(from_dir_id, f)
2571
elif self.is_ignored(fp[1:]):
2578
# make a last minute entry
2580
yield fp[1:], c, fk, f_ie.file_id, f_ie
2583
yield fp[1:], c, fk, None, fk_entries[fk]()
2585
yield fp[1:], c, fk, None, TreeEntry()
2588
if fk != 'directory':
2591
# But do this child first if recursing down
2593
new_children = os.listdir(fap)
2595
new_children = collections.deque(new_children)
2596
stack.append((f_ie.file_id, fp, fap, new_children))
2597
# Break out of inner loop,
2598
# so that we start outer loop with child
2601
# if we finished all children, pop it off the stack
2604
@needs_tree_write_lock
2605
def move(self, from_paths, to_dir=None, after=False):
2608
to_dir must exist in the inventory.
2610
If to_dir exists and is a directory, the files are moved into
2611
it, keeping their old names.
2613
Note that to_dir is only the last component of the new name;
2614
this doesn't change the directory.
2616
For each entry in from_paths the move mode will be determined
2619
The first mode moves the file in the filesystem and updates the
2620
inventory. The second mode only updates the inventory without
2621
touching the file on the filesystem.
2623
move uses the second mode if 'after == True' and the target is
2624
either not versioned or newly added, and present in the working tree.
2626
move uses the second mode if 'after == False' and the source is
2627
versioned but no longer in the working tree, and the target is not
2628
versioned but present in the working tree.
2630
move uses the first mode if 'after == False' and the source is
2631
versioned and present in the working tree, and the target is not
2632
versioned and not present in the working tree.
2634
Everything else results in an error.
2636
This returns a list of (from_path, to_path) pairs for each
2637
entry that is moved.
2642
invs_to_write = set()
2644
# check for deprecated use of signature
2646
raise TypeError('You must supply a target directory')
2647
# check destination directory
2648
if isinstance(from_paths, basestring):
2650
to_abs = self.abspath(to_dir)
2651
if not isdir(to_abs):
2652
raise errors.BzrMoveFailedError('',to_dir,
2653
errors.NotADirectory(to_abs))
2654
if not self.has_filename(to_dir):
2655
raise errors.BzrMoveFailedError('',to_dir,
2656
errors.NotInWorkingDirectory(to_dir))
2657
to_inv, to_dir_id = self._path2inv_file_id(to_dir)
2658
if to_dir_id is None:
2659
raise errors.BzrMoveFailedError('',to_dir,
2660
errors.NotVersionedError(path=to_dir))
2662
to_dir_ie = to_inv[to_dir_id]
2663
if to_dir_ie.kind != 'directory':
2664
raise errors.BzrMoveFailedError('',to_dir,
2665
errors.NotADirectory(to_abs))
2667
# create rename entries and tuples
2668
for from_rel in from_paths:
2669
from_tail = splitpath(from_rel)[-1]
2670
from_inv, from_id = self._path2inv_file_id(from_rel)
2672
raise errors.BzrMoveFailedError(from_rel,to_dir,
2673
errors.NotVersionedError(path=from_rel))
2675
from_entry = from_inv[from_id]
2676
from_parent_id = from_entry.parent_id
2677
to_rel = pathjoin(to_dir, from_tail)
2678
rename_entry = InventoryWorkingTree._RenameEntry(
2681
from_tail=from_tail,
2682
from_parent_id=from_parent_id,
2683
to_rel=to_rel, to_tail=from_tail,
2684
to_parent_id=to_dir_id)
2685
rename_entries.append(rename_entry)
2686
rename_tuples.append((from_rel, to_rel))
2688
# determine which move mode to use. checks also for movability
2689
rename_entries = self._determine_mv_mode(rename_entries, after)
2691
original_modified = self._inventory_is_modified
2694
self._inventory_is_modified = True
2695
self._move(rename_entries)
2697
# restore the inventory on error
2698
self._inventory_is_modified = original_modified
2700
#FIXME: Should potentially also write the from_invs
2701
self._write_inventory(to_inv)
2702
return rename_tuples
2704
@needs_tree_write_lock
2705
def rename_one(self, from_rel, to_rel, after=False):
2708
This can change the directory or the filename or both.
2710
rename_one has several 'modes' to work. First, it can rename a physical
2711
file and change the file_id. That is the normal mode. Second, it can
2712
only change the file_id without touching any physical file.
2714
rename_one uses the second mode if 'after == True' and 'to_rel' is not
2715
versioned but present in the working tree.
2717
rename_one uses the second mode if 'after == False' and 'from_rel' is
2718
versioned but no longer in the working tree, and 'to_rel' is not
2719
versioned but present in the working tree.
2721
rename_one uses the first mode if 'after == False' and 'from_rel' is
2722
versioned and present in the working tree, and 'to_rel' is not
2723
versioned and not present in the working tree.
2725
Everything else results in an error.
2729
# create rename entries and tuples
2730
from_tail = splitpath(from_rel)[-1]
2731
from_inv, from_id = self._path2inv_file_id(from_rel)
2733
# if file is missing in the inventory maybe it's in the basis_tree
2734
basis_tree = self.branch.basis_tree()
2735
from_id = basis_tree.path2id(from_rel)
2737
raise errors.BzrRenameFailedError(from_rel,to_rel,
2738
errors.NotVersionedError(path=from_rel))
2739
# put entry back in the inventory so we can rename it
2740
from_entry = basis_tree.root_inventory[from_id].copy()
2741
from_inv.add(from_entry)
2743
from_inv, from_inv_id = self._unpack_file_id(from_id)
2744
from_entry = from_inv[from_inv_id]
2745
from_parent_id = from_entry.parent_id
2746
to_dir, to_tail = os.path.split(to_rel)
2747
to_inv, to_dir_id = self._path2inv_file_id(to_dir)
2748
rename_entry = InventoryWorkingTree._RenameEntry(from_rel=from_rel,
2750
from_tail=from_tail,
2751
from_parent_id=from_parent_id,
2752
to_rel=to_rel, to_tail=to_tail,
2753
to_parent_id=to_dir_id)
2754
rename_entries.append(rename_entry)
2756
# determine which move mode to use. checks also for movability
2757
rename_entries = self._determine_mv_mode(rename_entries, after)
2759
# check if the target changed directory and if the target directory is
2761
if to_dir_id is None:
2762
raise errors.BzrMoveFailedError(from_rel,to_rel,
2763
errors.NotVersionedError(path=to_dir))
2765
# all checks done. now we can continue with our actual work
2766
mutter('rename_one:\n'
2771
' to_dir_id {%s}\n',
2772
from_id, from_rel, to_rel, to_dir, to_dir_id)
2774
self._move(rename_entries)
2775
self._write_inventory(to_inv)
2777
class _RenameEntry(object):
2778
def __init__(self, from_rel, from_id, from_tail, from_parent_id,
2779
to_rel, to_tail, to_parent_id, only_change_inv=False,
2781
self.from_rel = from_rel
2782
self.from_id = from_id
2783
self.from_tail = from_tail
2784
self.from_parent_id = from_parent_id
2785
self.to_rel = to_rel
2786
self.to_tail = to_tail
2787
self.to_parent_id = to_parent_id
2788
self.change_id = change_id
2789
self.only_change_inv = only_change_inv
2791
def _determine_mv_mode(self, rename_entries, after=False):
2792
"""Determines for each from-to pair if both inventory and working tree
2793
or only the inventory has to be changed.
2795
Also does basic plausability tests.
2797
# FIXME: Handling of nested trees
2798
inv = self.root_inventory
2800
for rename_entry in rename_entries:
2801
# store to local variables for easier reference
2802
from_rel = rename_entry.from_rel
2803
from_id = rename_entry.from_id
2804
to_rel = rename_entry.to_rel
2805
to_id = inv.path2id(to_rel)
2806
only_change_inv = False
2809
# check the inventory for source and destination
2811
raise errors.BzrMoveFailedError(from_rel,to_rel,
2812
errors.NotVersionedError(path=from_rel))
2813
if to_id is not None:
2815
# allow it with --after but only if dest is newly added
2817
basis = self.basis_tree()
2820
if not basis.has_id(to_id):
2821
rename_entry.change_id = True
2826
raise errors.BzrMoveFailedError(from_rel,to_rel,
2827
errors.AlreadyVersionedError(path=to_rel))
2829
# try to determine the mode for rename (only change inv or change
2830
# inv and file system)
2832
if not self.has_filename(to_rel):
2833
raise errors.BzrMoveFailedError(from_id,to_rel,
2834
errors.NoSuchFile(path=to_rel,
2835
extra="New file has not been created yet"))
2836
only_change_inv = True
2837
elif not self.has_filename(from_rel) and self.has_filename(to_rel):
2838
only_change_inv = True
2839
elif self.has_filename(from_rel) and not self.has_filename(to_rel):
2840
only_change_inv = False
2841
elif (not self.case_sensitive
2842
and from_rel.lower() == to_rel.lower()
2843
and self.has_filename(from_rel)):
2844
only_change_inv = False
2846
# something is wrong, so lets determine what exactly
2847
if not self.has_filename(from_rel) and \
2848
not self.has_filename(to_rel):
2849
raise errors.BzrRenameFailedError(from_rel, to_rel,
2850
errors.PathsDoNotExist(paths=(from_rel, to_rel)))
2852
raise errors.RenameFailedFilesExist(from_rel, to_rel)
2853
rename_entry.only_change_inv = only_change_inv
2854
return rename_entries
2856
def _move(self, rename_entries):
2857
"""Moves a list of files.
2859
Depending on the value of the flag 'only_change_inv', the
2860
file will be moved on the file system or not.
2864
for entry in rename_entries:
2866
self._move_entry(entry)
2868
self._rollback_move(moved)
2872
def _rollback_move(self, moved):
2873
"""Try to rollback a previous move in case of an filesystem error."""
2876
self._move_entry(WorkingTree._RenameEntry(
2877
entry.to_rel, entry.from_id,
2878
entry.to_tail, entry.to_parent_id, entry.from_rel,
2879
entry.from_tail, entry.from_parent_id,
2880
entry.only_change_inv))
2881
except errors.BzrMoveFailedError, e:
2882
raise errors.BzrMoveFailedError( '', '', "Rollback failed."
2883
" The working tree is in an inconsistent state."
2884
" Please consider doing a 'bzr revert'."
2885
" Error message is: %s" % e)
2887
def _move_entry(self, entry):
2888
inv = self.root_inventory
2889
from_rel_abs = self.abspath(entry.from_rel)
2890
to_rel_abs = self.abspath(entry.to_rel)
2891
if from_rel_abs == to_rel_abs:
2892
raise errors.BzrMoveFailedError(entry.from_rel, entry.to_rel,
2893
"Source and target are identical.")
2895
if not entry.only_change_inv:
2897
osutils.rename(from_rel_abs, to_rel_abs)
2899
raise errors.BzrMoveFailedError(entry.from_rel,
2902
to_id = inv.path2id(entry.to_rel)
2903
inv.remove_recursive_id(to_id)
2904
inv.rename(entry.from_id, entry.to_parent_id, entry.to_tail)
2906
@needs_tree_write_lock
2907
def unversion(self, file_ids):
2908
"""Remove the file ids in file_ids from the current versioned set.
2910
When a file_id is unversioned, all of its children are automatically
2913
:param file_ids: The file ids to stop versioning.
2914
:raises: NoSuchId if any fileid is not currently versioned.
2916
for file_id in file_ids:
2917
if not self._inventory.has_id(file_id):
2918
raise errors.NoSuchId(self, file_id)
2919
for file_id in file_ids:
2920
if self._inventory.has_id(file_id):
2921
self._inventory.remove_recursive_id(file_id)
2923
# in the future this should just set a dirty bit to wait for the
2924
# final unlock. However, until all methods of workingtree start
2925
# with the current in -memory inventory rather than triggering
2926
# a read, it is more complex - we need to teach read_inventory
2927
# to know when to read, and when to not read first... and possibly
2928
# to save first when the in memory one may be corrupted.
2929
# so for now, we just only write it if it is indeed dirty.
2931
self._write_inventory(self._inventory)
2933
def stored_kind(self, file_id):
2934
"""See Tree.stored_kind"""
2935
inv, inv_file_id = self._unpack_file_id(file_id)
2936
return inv[inv_file_id].kind
2939
"""Yield all unversioned files in this WorkingTree.
2941
If there are any unversioned directories then only the directory is
2942
returned, not all its children. But if there are unversioned files
2943
under a versioned subdirectory, they are returned.
2945
Currently returned depth-first, sorted by name within directories.
2946
This is the same order used by 'osutils.walkdirs'.
2948
## TODO: Work from given directory downwards
2949
for path, dir_entry in self.iter_entries_by_dir():
2950
if dir_entry.kind != 'directory':
2952
# mutter("search for unknowns in %r", path)
2953
dirabs = self.abspath(path)
2954
if not isdir(dirabs):
2955
# e.g. directory deleted
2959
for subf in os.listdir(dirabs):
2960
if self.bzrdir.is_control_filename(subf):
2962
if subf not in dir_entry.children:
2965
can_access) = osutils.normalized_filename(subf)
2966
except UnicodeDecodeError:
2967
path_os_enc = path.encode(osutils._fs_enc)
2968
relpath = path_os_enc + '/' + subf
2969
raise errors.BadFilenameEncoding(relpath,
2971
if subf_norm != subf and can_access:
2972
if subf_norm not in dir_entry.children:
2973
fl.append(subf_norm)
2979
subp = pathjoin(path, subf)
2982
def _walkdirs(self, prefix=""):
2983
"""Walk the directories of this tree.
2985
:param prefix: is used as the directrory to start with.
2986
:returns: a generator which yields items in the form::
2988
((curren_directory_path, fileid),
2989
[(file1_path, file1_name, file1_kind, None, file1_id,
2992
_directory = 'directory'
2993
# get the root in the inventory
2994
inv, top_id = self._path2inv_file_id(prefix)
2998
pending = [(prefix, '', _directory, None, top_id, None)]
3001
currentdir = pending.pop()
3002
# 0 - relpath, 1- basename, 2- kind, 3- stat, 4-id, 5-kind
3003
top_id = currentdir[4]
3005
relroot = currentdir[0] + '/'
3008
# FIXME: stash the node in pending
3010
if entry.kind == 'directory':
3011
for name, child in entry.sorted_children():
3012
dirblock.append((relroot + name, name, child.kind, None,
3013
child.file_id, child.kind
3015
yield (currentdir[0], entry.file_id), dirblock
3016
# push the user specified dirs from dirblock
3017
for dir in reversed(dirblock):
3018
if dir[2] == _directory:
3022
def update_feature_flags(self, updated_flags):
3023
"""Update the feature flags for this branch.
3025
:param updated_flags: Dictionary mapping feature names to necessities
3026
A necessity can be None to indicate the feature should be removed
3028
self._format._update_feature_flags(updated_flags)
3029
self.control_transport.put_bytes('format', self._format.as_string())
3032
class WorkingTreeFormatRegistry(controldir.ControlComponentFormatRegistry):
3033
"""Registry for working tree formats."""
3035
def __init__(self, other_registry=None):
3036
super(WorkingTreeFormatRegistry, self).__init__(other_registry)
3037
self._default_format = None
3038
self._default_format_key = None
3040
def get_default(self):
3041
"""Return the current default format."""
3042
if (self._default_format_key is not None and
3043
self._default_format is None):
3044
self._default_format = self.get(self._default_format_key)
3045
return self._default_format
3047
def set_default(self, format):
3048
"""Set the default format."""
3049
self._default_format = format
3050
self._default_format_key = None
3052
def set_default_key(self, format_string):
3053
"""Set the default format by its format string."""
3054
self._default_format_key = format_string
3055
self._default_format = None
3058
format_registry = WorkingTreeFormatRegistry()
3061
class WorkingTreeFormat(controldir.ControlComponentFormat):
2826
3062
"""An encapsulation of the initialization and open routines for a format.
2828
3064
Formats provide three things:
2899
3133
"""True if this format supports stored views."""
2903
def register_format(klass, format):
2904
klass._formats[format.get_format_string()] = format
2907
def set_default_format(klass, format):
2908
klass._default_format = format
2911
def unregister_format(klass, format):
2912
del klass._formats[format.get_format_string()]
2915
class WorkingTreeFormat2(WorkingTreeFormat):
2916
"""The second working tree format.
2918
This format modified the hash cache from the format 1 hash cache.
2921
upgrade_recommended = True
2923
def get_format_description(self):
2924
"""See WorkingTreeFormat.get_format_description()."""
2925
return "Working tree format 2"
2927
def _stub_initialize_on_transport(self, transport, file_mode):
2928
"""Workaround: create control files for a remote working tree.
2930
This ensures that it can later be updated and dealt with locally,
2931
since BzrDirFormat6 and BzrDirFormat5 cannot represent dirs with
2932
no working tree. (See bug #43064).
2935
inv = inventory.Inventory()
2936
xml5.serializer_v5.write_inventory(inv, sio, working=True)
2938
transport.put_file('inventory', sio, file_mode)
2939
transport.put_bytes('pending-merges', '', file_mode)
2941
def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
2942
accelerator_tree=None, hardlink=False):
2943
"""See WorkingTreeFormat.initialize()."""
2944
if not isinstance(a_bzrdir.transport, LocalTransport):
2945
raise errors.NotLocalUrl(a_bzrdir.transport.base)
2946
if from_branch is not None:
2947
branch = from_branch
2949
branch = a_bzrdir.open_branch()
2950
if revision_id is None:
2951
revision_id = _mod_revision.ensure_null(branch.last_revision())
2954
branch.generate_revision_history(revision_id)
2957
inv = inventory.Inventory()
2958
wt = WorkingTree2(a_bzrdir.root_transport.local_abspath('.'),
2964
basis_tree = branch.repository.revision_tree(revision_id)
2965
if basis_tree.inventory.root is not None:
2966
wt.set_root_id(basis_tree.get_root_id())
2967
# set the parent list and cache the basis tree.
2968
if _mod_revision.is_null(revision_id):
2971
parent_trees = [(revision_id, basis_tree)]
2972
wt.set_parent_trees(parent_trees)
2973
transform.build_tree(basis_tree, wt)
2977
super(WorkingTreeFormat2, self).__init__()
2978
self._matchingbzrdir = bzrdir.BzrDirFormat6()
2980
def open(self, a_bzrdir, _found=False):
2981
"""Return the WorkingTree object for a_bzrdir
2983
_found is a private parameter, do not use it. It is used to indicate
2984
if format probing has already been done.
2987
# we are being called directly and must probe.
2988
raise NotImplementedError
2989
if not isinstance(a_bzrdir.transport, LocalTransport):
2990
raise errors.NotLocalUrl(a_bzrdir.transport.base)
2991
wt = WorkingTree2(a_bzrdir.root_transport.local_abspath('.'),
2997
class WorkingTreeFormat3(WorkingTreeFormat):
2998
"""The second working tree format updated to record a format marker.
3001
- exists within a metadir controlling .bzr
3002
- includes an explicit version marker for the workingtree control
3003
files, separate from the BzrDir format
3004
- modifies the hash cache format
3006
- uses a LockDir to guard access for writes.
3009
upgrade_recommended = True
3011
def get_format_string(self):
3012
"""See WorkingTreeFormat.get_format_string()."""
3013
return "Bazaar-NG Working Tree format 3"
3015
def get_format_description(self):
3016
"""See WorkingTreeFormat.get_format_description()."""
3017
return "Working tree format 3"
3019
_lock_file_name = 'lock'
3020
_lock_class = LockDir
3022
_tree_class = WorkingTree3
3024
def __get_matchingbzrdir(self):
3025
return bzrdir.BzrDirMetaFormat1()
3027
_matchingbzrdir = property(__get_matchingbzrdir)
3029
def _open_control_files(self, a_bzrdir):
3030
transport = a_bzrdir.get_workingtree_transport(None)
3031
return LockableFiles(transport, self._lock_file_name,
3034
def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
3035
accelerator_tree=None, hardlink=False):
3036
"""See WorkingTreeFormat.initialize().
3038
:param revision_id: if supplied, create a working tree at a different
3039
revision than the branch is at.
3040
:param accelerator_tree: A tree which can be used for retrieving file
3041
contents more quickly than the revision tree, i.e. a workingtree.
3042
The revision tree will be used for cases where accelerator_tree's
3043
content is different.
3044
:param hardlink: If true, hard-link files from accelerator_tree,
3047
if not isinstance(a_bzrdir.transport, LocalTransport):
3048
raise errors.NotLocalUrl(a_bzrdir.transport.base)
3049
transport = a_bzrdir.get_workingtree_transport(self)
3050
control_files = self._open_control_files(a_bzrdir)
3051
control_files.create_lock()
3052
control_files.lock_write()
3053
transport.put_bytes('format', self.get_format_string(),
3054
mode=a_bzrdir._get_file_mode())
3055
if from_branch is not None:
3056
branch = from_branch
3058
branch = a_bzrdir.open_branch()
3059
if revision_id is None:
3060
revision_id = _mod_revision.ensure_null(branch.last_revision())
3061
# WorkingTree3 can handle an inventory which has a unique root id.
3062
# as of bzr 0.12. However, bzr 0.11 and earlier fail to handle
3063
# those trees. And because there isn't a format bump inbetween, we
3064
# are maintaining compatibility with older clients.
3065
# inv = Inventory(root_id=gen_root_id())
3066
inv = self._initial_inventory()
3067
wt = self._tree_class(a_bzrdir.root_transport.local_abspath('.'),
3073
_control_files=control_files)
3074
wt.lock_tree_write()
3076
basis_tree = branch.repository.revision_tree(revision_id)
3077
# only set an explicit root id if there is one to set.
3078
if basis_tree.inventory.root is not None:
3079
wt.set_root_id(basis_tree.get_root_id())
3080
if revision_id == _mod_revision.NULL_REVISION:
3081
wt.set_parent_trees([])
3083
wt.set_parent_trees([(revision_id, basis_tree)])
3084
transform.build_tree(basis_tree, wt)
3086
# Unlock in this order so that the unlock-triggers-flush in
3087
# WorkingTree is given a chance to fire.
3088
control_files.unlock()
3092
def _initial_inventory(self):
3093
return inventory.Inventory()
3096
super(WorkingTreeFormat3, self).__init__()
3098
def open(self, a_bzrdir, _found=False):
3099
"""Return the WorkingTree object for a_bzrdir
3101
_found is a private parameter, do not use it. It is used to indicate
3102
if format probing has already been done.
3105
# we are being called directly and must probe.
3106
raise NotImplementedError
3107
if not isinstance(a_bzrdir.transport, LocalTransport):
3108
raise errors.NotLocalUrl(a_bzrdir.transport.base)
3109
wt = self._open(a_bzrdir, self._open_control_files(a_bzrdir))
3112
def _open(self, a_bzrdir, control_files):
3113
"""Open the tree itself.
3115
:param a_bzrdir: the dir for the tree.
3116
:param control_files: the control files for the tree.
3118
return self._tree_class(a_bzrdir.root_transport.local_abspath('.'),
3122
_control_files=control_files)
3125
return self.get_format_string()
3128
__default_format = WorkingTreeFormat6()
3129
WorkingTreeFormat.register_format(__default_format)
3130
WorkingTreeFormat.register_format(WorkingTreeFormat5())
3131
WorkingTreeFormat.register_format(WorkingTreeFormat4())
3132
WorkingTreeFormat.register_format(WorkingTreeFormat3())
3133
WorkingTreeFormat.set_default_format(__default_format)
3134
# formats which have no format string are not discoverable
3135
# and not independently creatable, so are not registered.
3136
_legacy_formats = [WorkingTreeFormat2(),
3136
def get_controldir_for_branch(self):
3137
"""Get the control directory format for creating branches.
3139
This is to support testing of working tree formats that can not exist
3140
in the same control directory as a branch.
3142
return self._matchingbzrdir
3145
class WorkingTreeFormatMetaDir(bzrdir.BzrFormat, WorkingTreeFormat):
3146
"""Base class for working trees that live in bzr meta directories."""
3149
WorkingTreeFormat.__init__(self)
3150
bzrdir.BzrFormat.__init__(self)
3153
def find_format_string(klass, controldir):
3154
"""Return format name for the working tree object in controldir."""
3156
transport = controldir.get_workingtree_transport(None)
3157
return transport.get_bytes("format")
3158
except errors.NoSuchFile:
3159
raise errors.NoWorkingTree(base=transport.base)
3162
def find_format(klass, controldir):
3163
"""Return the format for the working tree object in controldir."""
3164
format_string = klass.find_format_string(controldir)
3165
return klass._find_format(format_registry, 'working tree',
3168
def check_support_status(self, allow_unsupported, recommend_upgrade=True,
3170
WorkingTreeFormat.check_support_status(self,
3171
allow_unsupported=allow_unsupported, recommend_upgrade=recommend_upgrade,
3173
bzrdir.BzrFormat.check_support_status(self, allow_unsupported=allow_unsupported,
3174
recommend_upgrade=recommend_upgrade, basedir=basedir)
3176
def get_controldir_for_branch(self):
3177
"""Get the control directory format for creating branches.
3179
This is to support testing of working tree formats that can not exist
3180
in the same control directory as a branch.
3182
return self._matchingbzrdir
3185
class WorkingTreeFormatMetaDir(bzrdir.BzrFormat, WorkingTreeFormat):
3186
"""Base class for working trees that live in bzr meta directories."""
3189
WorkingTreeFormat.__init__(self)
3190
bzrdir.BzrFormat.__init__(self)
3193
def find_format_string(klass, controldir):
3194
"""Return format name for the working tree object in controldir."""
3196
transport = controldir.get_workingtree_transport(None)
3197
return transport.get_bytes("format")
3198
except errors.NoSuchFile:
3199
raise errors.NoWorkingTree(base=transport.base)
3202
def find_format(klass, controldir):
3203
"""Return the format for the working tree object in controldir."""
3204
format_string = klass.find_format_string(controldir)
3205
return klass._find_format(format_registry, 'working tree',
3208
def check_support_status(self, allow_unsupported, recommend_upgrade=True,
3210
WorkingTreeFormat.check_support_status(self,
3211
allow_unsupported=allow_unsupported, recommend_upgrade=recommend_upgrade,
3213
bzrdir.BzrFormat.check_support_status(self, allow_unsupported=allow_unsupported,
3214
recommend_upgrade=recommend_upgrade, basedir=basedir)
3217
format_registry.register_lazy("Bazaar Working Tree Format 4 (bzr 0.15)\n",
3218
"bzrlib.workingtree_4", "WorkingTreeFormat4")
3219
format_registry.register_lazy("Bazaar Working Tree Format 5 (bzr 1.11)\n",
3220
"bzrlib.workingtree_4", "WorkingTreeFormat5")
3221
format_registry.register_lazy("Bazaar Working Tree Format 6 (bzr 1.14)\n",
3222
"bzrlib.workingtree_4", "WorkingTreeFormat6")
3223
format_registry.register_lazy("Bazaar-NG Working Tree format 3",
3224
"bzrlib.workingtree_3", "WorkingTreeFormat3")
3225
format_registry.set_default_key("Bazaar Working Tree Format 6 (bzr 1.14)\n")
added
removed
bzrlib/workingtree.py
