42
42
# copy, and making sure there's only one WorkingTree for any directory on disk.
43
43
# At the momenthey may alias the inventory and have old copies of it in memory.
45
from copy import deepcopy
49
from bzrlib.branch import Branch, needs_read_lock, needs_write_lock, quotefn
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from bzrlib.branch import (Branch,
55
from bzrlib.errors import (BzrCheckError,
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WeaveRevisionNotPresent,
61
from bzrlib.inventory import InventoryEntry
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62
from bzrlib.osutils import (appendpath,
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from bzrlib.errors import BzrCheckError, DivergedBranches, NotVersionedError
76
from bzrlib.textui import show_status
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78
from bzrlib.trace import mutter
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def gen_file_id(name):
83
"""Return new file id.
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This should probably generate proper UUIDs, but for the moment we
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cope with just randomness because running uuidgen every time is
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from binascii import hexlify
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idx = name.rfind('\\')
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# make it not a hidden file
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name = name.lstrip('.')
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# remove any wierd characters; we don't escape them but rather
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name = re.sub(r'[^\w.]', '', name)
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s = hexlify(rand_bytes(8))
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return '-'.join((name, compact_date(time()), s))
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"""Return a new tree-root file id."""
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return gen_file_id('TREE_ROOT')
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class TreeEntry(object):
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"""An entry that implements the minium interface used by commands.
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mutter("write hc")
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self._set_inventory(self.read_working_inventory())
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def _set_inventory(self, inv):
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self._inventory = inv
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self.path2id = self._inventory.path2id
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def open_containing(path=None):
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"""Open an existing working tree which has its root about path.
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This probes for a working tree at path and searches upwards from there.
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Basically we keep looking up until we find the control directory or
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run into /. If there isn't one, raises NotBranchError.
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TODO: give this a new exception.
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If there is one, it is returned, along with the unused portion of path.
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if path.find('://') != -1:
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raise NotBranchError(path=path)
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return WorkingTree(path), tail
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except NotBranchError:
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tail = pathjoin(os.path.basename(path), tail)
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tail = os.path.basename(path)
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path = os.path.dirname(path)
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# reached the root, whatever that may be
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raise NotBranchError(path=path)
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254
def __iter__(self):
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"""Iterate through file_ids for this tree.
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if bzrlib.osutils.lexists(self.abspath(path)):
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265
def __repr__(self):
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266
return "<%s of %s>" % (self.__class__.__name__,
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267
getattr(self, 'basedir', None))
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269
def abspath(self, filename):
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return os.path.join(self.basedir, filename)
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return pathjoin(self.basedir, filename)
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def relpath(self, abspath):
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def relpath(self, abs):
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"""Return the local path portion from a given absolute path."""
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return relpath(self.basedir, abspath)
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return relpath(self.basedir, abs)
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def has_filename(self, filename):
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return bzrlib.osutils.lexists(self.abspath(filename))
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288
return inv.root.file_id
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290
def _get_store_filename(self, file_id):
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## XXX: badly named; this isn't in the store at all
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## XXX: badly named; this is not in the store at all
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return self.abspath(self.id2path(file_id))
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@needs_write_lock
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def commit(self, *args, **kw):
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from bzrlib.commit import Commit
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Commit().commit(self.branch, *args, **kw)
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self._inventory = self.read_working_inventory()
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self._set_inventory(self.read_working_inventory())
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def id2abspath(self, file_id):
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return self.abspath(self.id2path(file_id))
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def has_id(self, file_id):
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# files that have been deleted are excluded
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inv = self._inventory
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332
return bool(stat.S_ISREG(mode) and stat.S_IEXEC&mode)
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@needs_write_lock
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def add(self, files, ids=None):
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"""Make files versioned.
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Note that the command line normally calls smart_add instead,
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which can automatically recurse.
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This adds the files to the inventory, so that they will be
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recorded by the next commit.
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List of paths to add, relative to the base of the tree.
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If set, use these instead of automatically generated ids.
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Must be the same length as the list of files, but may
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contain None for ids that are to be autogenerated.
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TODO: Perhaps have an option to add the ids even if the files do
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TODO: Perhaps callback with the ids and paths as they're added.
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# TODO: Re-adding a file that is removed in the working copy
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# should probably put it back with the previous ID.
359
if isinstance(files, basestring):
360
assert(ids is None or isinstance(ids, basestring))
366
ids = [None] * len(files)
368
assert(len(ids) == len(files))
370
inv = self.read_working_inventory()
371
for f,file_id in zip(files, ids):
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if is_control_file(f):
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raise BzrError("cannot add control file %s" % quotefn(f))
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raise BzrError("cannot add top-level %r" % f)
380
fullpath = normpath(self.abspath(f))
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kind = file_kind(fullpath)
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# maybe something better?
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raise BzrError('cannot add: not a regular file, symlink or directory: %s' % quotefn(f))
388
if not InventoryEntry.versionable_kind(kind):
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raise BzrError('cannot add: not a versionable file ('
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'i.e. regular file, symlink or directory): %s' % quotefn(f))
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file_id = gen_file_id(f)
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inv.add_path(f, kind=kind, file_id=file_id)
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mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
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self._write_inventory(inv)
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400
def add_pending_merge(self, *revision_ids):
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401
# TODO: Perhaps should check at this point that the
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# history of the revision is actually present?
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509
for ff in descend(fp, f_ie.file_id, fap):
360
for f in descend('', inv.root.file_id, self.basedir):
512
for f in descend(u'', inv.root.file_id, self.basedir):
516
def move(self, from_paths, to_name):
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to_name must exist in the inventory.
521
If to_name exists and is a directory, the files are moved into
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it, keeping their old names.
524
Note that to_name is only the last component of the new name;
525
this doesn't change the directory.
527
This returns a list of (from_path, to_path) pairs for each
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## TODO: Option to move IDs only
532
assert not isinstance(from_paths, basestring)
534
to_abs = self.abspath(to_name)
535
if not isdir(to_abs):
536
raise BzrError("destination %r is not a directory" % to_abs)
537
if not self.has_filename(to_name):
538
raise BzrError("destination %r not in working directory" % to_abs)
539
to_dir_id = inv.path2id(to_name)
540
if to_dir_id == None and to_name != '':
541
raise BzrError("destination %r is not a versioned directory" % to_name)
542
to_dir_ie = inv[to_dir_id]
543
if to_dir_ie.kind not in ('directory', 'root_directory'):
544
raise BzrError("destination %r is not a directory" % to_abs)
546
to_idpath = inv.get_idpath(to_dir_id)
549
if not self.has_filename(f):
550
raise BzrError("%r does not exist in working tree" % f)
551
f_id = inv.path2id(f)
553
raise BzrError("%r is not versioned" % f)
554
name_tail = splitpath(f)[-1]
555
dest_path = appendpath(to_name, name_tail)
556
if self.has_filename(dest_path):
557
raise BzrError("destination %r already exists" % dest_path)
558
if f_id in to_idpath:
559
raise BzrError("can't move %r to a subdirectory of itself" % f)
561
# OK, so there's a race here, it's possible that someone will
562
# create a file in this interval and then the rename might be
563
# left half-done. But we should have caught most problems.
564
orig_inv = deepcopy(self.inventory)
567
name_tail = splitpath(f)[-1]
568
dest_path = appendpath(to_name, name_tail)
569
result.append((f, dest_path))
570
inv.rename(inv.path2id(f), to_dir_id, name_tail)
572
rename(self.abspath(f), self.abspath(dest_path))
574
raise BzrError("failed to rename %r to %r: %s" %
575
(f, dest_path, e[1]),
576
["rename rolled back"])
578
# restore the inventory on error
579
self._set_inventory(orig_inv)
581
self._write_inventory(inv)
585
def rename_one(self, from_rel, to_rel):
588
This can change the directory or the filename or both.
591
if not self.has_filename(from_rel):
592
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
593
if self.has_filename(to_rel):
594
raise BzrError("can't rename: new working file %r already exists" % to_rel)
596
file_id = inv.path2id(from_rel)
598
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
601
from_parent = entry.parent_id
602
from_name = entry.name
604
if inv.path2id(to_rel):
605
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
607
to_dir, to_tail = os.path.split(to_rel)
608
to_dir_id = inv.path2id(to_dir)
609
if to_dir_id == None and to_dir != '':
610
raise BzrError("can't determine destination directory id for %r" % to_dir)
612
mutter("rename_one:")
613
mutter(" file_id {%s}" % file_id)
614
mutter(" from_rel %r" % from_rel)
615
mutter(" to_rel %r" % to_rel)
616
mutter(" to_dir %r" % to_dir)
617
mutter(" to_dir_id {%s}" % to_dir_id)
619
inv.rename(file_id, to_dir_id, to_tail)
621
from_abs = self.abspath(from_rel)
622
to_abs = self.abspath(to_rel)
624
rename(from_abs, to_abs)
626
inv.rename(file_id, from_parent, from_name)
627
raise BzrError("failed to rename %r to %r: %s"
628
% (from_abs, to_abs, e[1]),
629
["rename rolled back"])
630
self._write_inventory(inv)
365
633
def unknowns(self):
634
"""Return all unknown files.
636
These are files in the working directory that are not versioned or
637
control files or ignored.
639
>>> from bzrlib.branch import ScratchBranch
640
>>> b = ScratchBranch(files=['foo', 'foo~'])
641
>>> tree = WorkingTree(b.base, b)
642
>>> map(str, tree.unknowns())
645
>>> list(b.unknowns())
647
>>> tree.remove('foo')
648
>>> list(b.unknowns())
366
651
for subp in self.extras():
367
652
if not self.is_ignored(subp):
498
784
"""See Branch.lock_write, and WorkingTree.unlock."""
499
785
return self.branch.lock_write()
787
def _basis_inventory_name(self, revision_id):
788
return 'basis-inventory.%s' % revision_id
790
def set_last_revision(self, new_revision, old_revision=None):
793
path = self._basis_inventory_name(old_revision)
794
path = self.branch._rel_controlfilename(path)
795
self.branch._transport.delete(path)
799
xml = self.branch.get_inventory_xml(new_revision)
800
path = self._basis_inventory_name(new_revision)
801
self.branch.put_controlfile(path, xml)
802
except WeaveRevisionNotPresent:
805
def read_basis_inventory(self, revision_id):
806
"""Read the cached basis inventory."""
807
path = self._basis_inventory_name(revision_id)
808
return self.branch.controlfile(path, 'r').read()
502
811
def read_working_inventory(self):
503
812
"""Read the working inventory."""
added
removed
bzrlib/workingtree.py
