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# Copyright (C) 2005, 2006 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""WorkingTree object and friends.
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A WorkingTree represents the editable working copy of a branch.
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Operations which represent the WorkingTree are also done here,
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such as renaming or adding files. The WorkingTree has an inventory
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which is updated by these operations. A commit produces a
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new revision based on the workingtree and its inventory.
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At the moment every WorkingTree has its own branch. Remote
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WorkingTrees aren't supported.
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To get a WorkingTree, call bzrdir.open_workingtree() or
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WorkingTree.open(dir).
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MERGE_MODIFIED_HEADER_1 = "BZR merge-modified list format 1"
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CONFLICT_HEADER_1 = "BZR conflict list format 1"
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# TODO: Give the workingtree sole responsibility for the working inventory;
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# remove the variable and references to it from the branch. This may require
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# updating the commit code so as to update the inventory within the working
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# copy, and making sure there's only one WorkingTree for any directory on disk.
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# At the moment they may alias the inventory and have old copies of it in
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# memory. (Now done? -- mbp 20060309)
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from binascii import hexlify
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from copy import deepcopy
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from cStringIO import StringIO
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from bzrlib.atomicfile import AtomicFile
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from bzrlib.branch import (Branch,
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from bzrlib.conflicts import Conflict, ConflictList, CONFLICT_SUFFIXES
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import bzrlib.bzrdir as bzrdir
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from bzrlib.decorators import needs_read_lock, needs_write_lock
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import bzrlib.errors as errors
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from bzrlib.errors import (BzrCheckError,
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WeaveRevisionNotPresent,
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MergeModifiedFormatError,
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from bzrlib.inventory import InventoryEntry, Inventory
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from bzrlib.lockable_files import LockableFiles, TransportLock
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from bzrlib.lockdir import LockDir
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from bzrlib.merge import merge_inner, transform_tree
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from bzrlib.osutils import (
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from bzrlib.progress import DummyProgress, ProgressPhase
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from bzrlib.revision import NULL_REVISION
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from bzrlib.rio import RioReader, rio_file, Stanza
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from bzrlib.symbol_versioning import *
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from bzrlib.textui import show_status
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from bzrlib.transform import build_tree
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from bzrlib.trace import mutter, note
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from bzrlib.transport import get_transport
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from bzrlib.transport.local import LocalTransport
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# the regex here does the following:
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# 1) remove any weird characters; we don't escape them but rather
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# 2) match leading '.'s to make it not hidden
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_gen_file_id_re = re.compile(r'[^\w.]|(^\.*)')
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_gen_id_suffix = None
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def _next_id_suffix():
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"""Create a new file id suffix that is reasonably unique.
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On the first call we combine the current time with 64 bits of randomness
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to give a highly probably globally unique number. Then each call in the same
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process adds 1 to a serial number we append to that unique value.
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# XXX TODO: change bzrlib.add.smart_add to call workingtree.add() rather
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# than having to move the id randomness out of the inner loop like this.
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# XXX TODO: for the global randomness this uses we should add the thread-id
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# before the serial #.
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global _gen_id_suffix, _gen_id_serial
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if _gen_id_suffix is None:
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_gen_id_suffix = "-%s-%s-" % (compact_date(time()), rand_chars(16))
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return _gen_id_suffix + str(_gen_id_serial)
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def gen_file_id(name):
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"""Return new file id for the basename 'name'.
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The uniqueness is supplied from _next_id_suffix.
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# XXX TODO: squash the filename to lowercase.
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# XXX TODO: truncate the filename to something like 20 or 30 chars.
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# XXX TODO: consider what to do with ids that look like illegal filepaths
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# on platforms we support.
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return _gen_file_id_re.sub('', name) + _next_id_suffix()
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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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This needs further inspection, it may be better to have
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InventoryEntries without ids - though that seems wrong. For now,
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this is a parallel hierarchy to InventoryEntry, and needs to become
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one of several things: decorates to that hierarchy, children of, or
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Another note is that these objects are currently only used when there is
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no InventoryEntry available - i.e. for unversioned objects.
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Perhaps they should be UnversionedEntry et al. ? - RBC 20051003
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def __eq__(self, other):
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# yes, this us ugly, TODO: best practice __eq__ style.
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return (isinstance(other, TreeEntry)
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and other.__class__ == self.__class__)
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def kind_character(self):
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class TreeDirectory(TreeEntry):
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"""See TreeEntry. This is a directory in a working tree."""
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def __eq__(self, other):
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return (isinstance(other, TreeDirectory)
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and other.__class__ == self.__class__)
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def kind_character(self):
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class TreeFile(TreeEntry):
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"""See TreeEntry. This is a regular file in a working tree."""
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def __eq__(self, other):
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return (isinstance(other, TreeFile)
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and other.__class__ == self.__class__)
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def kind_character(self):
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class TreeLink(TreeEntry):
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"""See TreeEntry. This is a symlink in a working tree."""
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def __eq__(self, other):
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return (isinstance(other, TreeLink)
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and other.__class__ == self.__class__)
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def kind_character(self):
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class WorkingTree(bzrlib.tree.Tree):
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"""Working copy tree.
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The inventory is held in the `Branch` working-inventory, and the
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files are in a directory on disk.
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It is possible for a `WorkingTree` to have a filename which is
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not listed in the Inventory and vice versa.
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def __init__(self, basedir='.',
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branch=DEPRECATED_PARAMETER,
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"""Construct a WorkingTree for basedir.
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If the branch is not supplied, it is opened automatically.
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If the branch is supplied, it must be the branch for this basedir.
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(branch.base is not cross checked, because for remote branches that
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would be meaningless).
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self._format = _format
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self.bzrdir = _bzrdir
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# not created via open etc.
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warn("WorkingTree() is deprecated as of bzr version 0.8. "
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"Please use bzrdir.open_workingtree or WorkingTree.open().",
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wt = WorkingTree.open(basedir)
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self._branch = wt.branch
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self.basedir = wt.basedir
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self._control_files = wt._control_files
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self._hashcache = wt._hashcache
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self._set_inventory(wt._inventory)
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self._format = wt._format
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self.bzrdir = wt.bzrdir
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from bzrlib.hashcache import HashCache
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from bzrlib.trace import note, mutter
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assert isinstance(basedir, basestring), \
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"base directory %r is not a string" % basedir
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basedir = safe_unicode(basedir)
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mutter("opening working tree %r", basedir)
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if deprecated_passed(branch):
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warn("WorkingTree(..., branch=XXX) is deprecated as of bzr 0.8."
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" Please use bzrdir.open_workingtree() or"
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" WorkingTree.open().",
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self._branch = branch
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self._branch = self.bzrdir.open_branch()
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assert isinstance(self.branch, Branch), \
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"branch %r is not a Branch" % self.branch
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self.basedir = realpath(basedir)
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# if branch is at our basedir and is a format 6 or less
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if isinstance(self._format, WorkingTreeFormat2):
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# share control object
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self._control_files = self.branch.control_files
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# only ready for format 3
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assert isinstance(self._format, WorkingTreeFormat3)
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assert isinstance(_control_files, LockableFiles), \
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"_control_files must be a LockableFiles, not %r" \
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self._control_files = _control_files
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# update the whole cache up front and write to disk if anything changed;
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# in the future we might want to do this more selectively
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# two possible ways offer themselves : in self._unlock, write the cache
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# if needed, or, when the cache sees a change, append it to the hash
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# cache file, and have the parser take the most recent entry for a
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cache_filename = self.bzrdir.get_workingtree_transport(None).abspath('stat-cache')
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hc = self._hashcache = HashCache(basedir, cache_filename, self._control_files._file_mode)
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# is this scan needed ? it makes things kinda slow.
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if _inventory is None:
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self._set_inventory(self.read_working_inventory())
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self._set_inventory(_inventory)
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fget=lambda self: self._branch,
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doc="""The branch this WorkingTree is connected to.
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This cannot be set - it is reflective of the actual disk structure
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the working tree has been constructed from.
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def break_lock(self):
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"""Break a lock if one is present from another instance.
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Uses the ui factory to ask for confirmation if the lock may be from
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This will probe the repository for its lock as well.
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self._control_files.break_lock()
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self.branch.break_lock()
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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 is_control_filename(self, filename):
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"""True if filename is the name of a control file in this tree.
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:param filename: A filename within the tree. This is a relative path
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from the root of this tree.
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This is true IF and ONLY IF the filename is part of the meta data
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that bzr controls in this tree. I.E. a random .bzr directory placed
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on disk will not be a control file for this tree.
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return self.bzrdir.is_control_filename(filename)
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def open(path=None, _unsupported=False):
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"""Open an existing working tree at path.
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path = os.path.getcwdu()
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control = bzrdir.BzrDir.open(path, _unsupported)
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return control.open_workingtree(_unsupported)
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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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control, relpath = bzrdir.BzrDir.open_containing(path)
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return control.open_workingtree(), relpath
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def open_downlevel(path=None):
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"""Open an unsupported working tree.
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Only intended for advanced situations like upgrading part of a bzrdir.
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return WorkingTree.open(path, _unsupported=True)
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"""Iterate through file_ids for this tree.
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file_ids are in a WorkingTree if they are in the working inventory
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and the working file exists.
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inv = self._inventory
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for path, ie in inv.iter_entries():
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if bzrlib.osutils.lexists(self.abspath(path)):
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return "<%s of %s>" % (self.__class__.__name__,
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getattr(self, 'basedir', None))
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def abspath(self, filename):
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return pathjoin(self.basedir, filename)
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def basis_tree(self):
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"""Return RevisionTree for the current last revision."""
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revision_id = self.last_revision()
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if revision_id is not None:
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xml = self.read_basis_inventory()
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inv = bzrlib.xml5.serializer_v5.read_inventory_from_string(xml)
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if inv is not None and inv.revision_id == revision_id:
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return bzrlib.tree.RevisionTree(self.branch.repository, inv,
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# FIXME? RBC 20060403 should we cache the inventory here ?
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return self.branch.repository.revision_tree(revision_id)
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@deprecated_method(zero_eight)
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def create(branch, directory):
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"""Create a workingtree for branch at directory.
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If existing_directory already exists it must have a .bzr directory.
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If it does not exist, it will be created.
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This returns a new WorkingTree object for the new checkout.
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TODO FIXME RBC 20060124 when we have checkout formats in place this
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should accept an optional revisionid to checkout [and reject this if
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checking out into the same dir as a pre-checkout-aware branch format.]
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XXX: When BzrDir is present, these should be created through that
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warn('delete WorkingTree.create', stacklevel=3)
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transport = get_transport(directory)
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if branch.bzrdir.root_transport.base == transport.base:
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return branch.bzrdir.create_workingtree()
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# different directory,
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# create a branch reference
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# and now a working tree.
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raise NotImplementedError
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@deprecated_method(zero_eight)
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def create_standalone(directory):
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"""Create a checkout and a branch and a repo at directory.
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Directory must exist and be empty.
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please use BzrDir.create_standalone_workingtree
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return bzrdir.BzrDir.create_standalone_workingtree(directory)
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def relpath(self, path):
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"""Return the local path portion from a given path.
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The path may be absolute or relative. If its a relative path it is
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interpreted relative to the python current working directory.
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return relpath(self.basedir, path)
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def has_filename(self, filename):
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return bzrlib.osutils.lexists(self.abspath(filename))
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def get_file(self, file_id):
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return self.get_file_byname(self.id2path(file_id))
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def get_file_byname(self, filename):
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return file(self.abspath(filename), 'rb')
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def get_root_id(self):
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"""Return the id of this trees root"""
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inv = self.read_working_inventory()
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return inv.root.file_id
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def _get_store_filename(self, file_id):
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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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def clone(self, to_bzrdir, revision_id=None, basis=None):
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"""Duplicate this working tree into to_bzr, including all state.
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Specifically modified files are kept as modified, but
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ignored and unknown files are discarded.
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If you want to make a new line of development, see bzrdir.sprout()
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If not None, the cloned tree will have its last revision set to
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revision, and and difference between the source trees last revision
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and this one merged in.
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If not None, a closer copy of a tree which may have some files in
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common, and which file content should be preferentially copied from.
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# assumes the target bzr dir format is compatible.
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result = self._format.initialize(to_bzrdir)
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self.copy_content_into(result, revision_id)
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def copy_content_into(self, tree, revision_id=None):
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"""Copy the current content and user files of this tree into tree."""
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if revision_id is None:
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transform_tree(tree, self)
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# TODO now merge from tree.last_revision to revision
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transform_tree(tree, self)
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tree.set_last_revision(revision_id)
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def commit(self, message=None, revprops=None, *args, **kwargs):
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# avoid circular imports
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from bzrlib.commit import Commit
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if not 'branch-nick' in revprops:
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revprops['branch-nick'] = self.branch.nick
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# args for wt.commit start at message from the Commit.commit method,
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# but with branch a kwarg now, passing in args as is results in the
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#message being used for the branch
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args = (DEPRECATED_PARAMETER, message, ) + args
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Commit().commit(working_tree=self, revprops=revprops, *args, **kwargs)
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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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if not inv.has_id(file_id):
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path = inv.id2path(file_id)
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return bzrlib.osutils.lexists(self.abspath(path))
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def has_or_had_id(self, file_id):
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if file_id == self.inventory.root.file_id:
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return self.inventory.has_id(file_id)
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__contains__ = has_id
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def get_file_size(self, file_id):
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return os.path.getsize(self.id2abspath(file_id))
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def get_file_sha1(self, file_id):
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path = self._inventory.id2path(file_id)
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return self._hashcache.get_sha1(path)
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def is_executable(self, file_id):
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if not supports_executable():
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return self._inventory[file_id].executable
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path = self._inventory.id2path(file_id)
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mode = os.lstat(self.abspath(path)).st_mode
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return bool(stat.S_ISREG(mode) and stat.S_IEXEC&mode)
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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.
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if isinstance(files, basestring):
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assert(ids is None or isinstance(ids, basestring))
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ids = [None] * len(files)
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assert(len(ids) == len(files))
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inv = self.read_working_inventory()
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for f,file_id in zip(files, ids):
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if self.is_control_filename(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)
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fullpath = normpath(self.abspath(f))
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kind = file_kind(fullpath)
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if e.errno == errno.ENOENT:
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raise NoSuchFile(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))
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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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inv.add_path(f, kind=kind)
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inv.add_path(f, kind=kind, file_id=file_id)
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self._write_inventory(inv)
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def add_pending_merge(self, *revision_ids):
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# TODO: Perhaps should check at this point that the
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# history of the revision is actually present?
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p = self.pending_merges()
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for rev_id in revision_ids:
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self.set_pending_merges(p)
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def pending_merges(self):
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"""Return a list of pending merges.
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These are revisions that have been merged into the working
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directory but not yet committed.
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merges_file = self._control_files.get_utf8('pending-merges')
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if e.errno != errno.ENOENT:
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for l in merges_file.readlines():
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p.append(l.rstrip('\n'))
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def set_pending_merges(self, rev_list):
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self._control_files.put_utf8('pending-merges', '\n'.join(rev_list))
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def set_merge_modified(self, modified_hashes):
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for file_id, hash in modified_hashes.iteritems():
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yield Stanza(file_id=file_id, hash=hash)
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self._put_rio('merge-hashes', iter_stanzas(), MERGE_MODIFIED_HEADER_1)
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def _put_rio(self, filename, stanzas, header):
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my_file = rio_file(stanzas, header)
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self._control_files.put(filename, my_file)
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def merge_modified(self):
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hashfile = self._control_files.get('merge-hashes')
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if hashfile.next() != MERGE_MODIFIED_HEADER_1 + '\n':
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raise MergeModifiedFormatError()
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except StopIteration:
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raise MergeModifiedFormatError()
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for s in RioReader(hashfile):
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file_id = s.get("file_id")
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if file_id not in self.inventory:
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if hash == self.get_file_sha1(file_id):
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merge_hashes[file_id] = hash
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def get_symlink_target(self, file_id):
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return os.readlink(self.id2abspath(file_id))
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def file_class(self, filename):
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if self.path2id(filename):
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elif self.is_ignored(filename):
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def list_files(self):
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"""Recursively list all files as (path, class, kind, id).
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Lists, but does not descend into unversioned directories.
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This does not include files that have been deleted in this
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Skips the control directory.
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inv = self._inventory
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def descend(from_dir_relpath, from_dir_id, dp):
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## TODO: If we find a subdirectory with its own .bzr
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## directory, then that is a separate tree and we
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## should exclude it.
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# the bzrdir for this tree
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if self.bzrdir.transport.base.endswith(f + '/'):
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fp = appendpath(from_dir_relpath, f)
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fap = appendpath(dp, f)
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f_ie = inv.get_child(from_dir_id, f)
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elif self.is_ignored(fp):
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raise BzrCheckError("file %r entered as kind %r id %r, "
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% (fap, f_ie.kind, f_ie.file_id, fk))
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# make a last minute entry
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if fk == 'directory':
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entry = TreeDirectory()
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elif fk == 'symlink':
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yield fp, c, fk, (f_ie and f_ie.file_id), entry
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if fk != 'directory':
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# don't descend unversioned directories
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for ff in descend(fp, f_ie.file_id, fap):
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for f in descend(u'', inv.root.file_id, self.basedir):
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def move(self, from_paths, to_name):
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to_name must exist in the inventory.
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If to_name exists and is a directory, the files are moved into
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it, keeping their old names.
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Note that to_name is only the last component of the new name;
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this doesn't change the directory.
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This returns a list of (from_path, to_path) pairs for each
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## TODO: Option to move IDs only
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assert not isinstance(from_paths, basestring)
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to_abs = self.abspath(to_name)
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if not isdir(to_abs):
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raise BzrError("destination %r is not a directory" % to_abs)
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if not self.has_filename(to_name):
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raise BzrError("destination %r not in working directory" % to_abs)
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to_dir_id = inv.path2id(to_name)
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if to_dir_id == None and to_name != '':
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raise BzrError("destination %r is not a versioned directory" % to_name)
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to_dir_ie = inv[to_dir_id]
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if to_dir_ie.kind not in ('directory', 'root_directory'):
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raise BzrError("destination %r is not a directory" % to_abs)
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to_idpath = inv.get_idpath(to_dir_id)
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if not self.has_filename(f):
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raise BzrError("%r does not exist in working tree" % f)
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f_id = inv.path2id(f)
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raise BzrError("%r is not versioned" % f)
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name_tail = splitpath(f)[-1]
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dest_path = appendpath(to_name, name_tail)
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if self.has_filename(dest_path):
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raise BzrError("destination %r already exists" % dest_path)
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if f_id in to_idpath:
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raise BzrError("can't move %r to a subdirectory of itself" % f)
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# OK, so there's a race here, it's possible that someone will
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# create a file in this interval and then the rename might be
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# left half-done. But we should have caught most problems.
815
orig_inv = deepcopy(self.inventory)
818
name_tail = splitpath(f)[-1]
819
dest_path = appendpath(to_name, name_tail)
820
result.append((f, dest_path))
821
inv.rename(inv.path2id(f), to_dir_id, name_tail)
823
rename(self.abspath(f), self.abspath(dest_path))
825
raise BzrError("failed to rename %r to %r: %s" %
826
(f, dest_path, e[1]),
827
["rename rolled back"])
829
# restore the inventory on error
830
self._set_inventory(orig_inv)
832
self._write_inventory(inv)
836
def rename_one(self, from_rel, to_rel):
839
This can change the directory or the filename or both.
842
if not self.has_filename(from_rel):
843
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
844
if self.has_filename(to_rel):
845
raise BzrError("can't rename: new working file %r already exists" % to_rel)
847
file_id = inv.path2id(from_rel)
849
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
852
from_parent = entry.parent_id
853
from_name = entry.name
855
if inv.path2id(to_rel):
856
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
858
to_dir, to_tail = os.path.split(to_rel)
859
to_dir_id = inv.path2id(to_dir)
860
if to_dir_id == None and to_dir != '':
861
raise BzrError("can't determine destination directory id for %r" % to_dir)
863
mutter("rename_one:")
864
mutter(" file_id {%s}" % file_id)
865
mutter(" from_rel %r" % from_rel)
866
mutter(" to_rel %r" % to_rel)
867
mutter(" to_dir %r" % to_dir)
868
mutter(" to_dir_id {%s}" % to_dir_id)
870
inv.rename(file_id, to_dir_id, to_tail)
872
from_abs = self.abspath(from_rel)
873
to_abs = self.abspath(to_rel)
875
rename(from_abs, to_abs)
877
inv.rename(file_id, from_parent, from_name)
878
raise BzrError("failed to rename %r to %r: %s"
879
% (from_abs, to_abs, e[1]),
880
["rename rolled back"])
881
self._write_inventory(inv)
885
"""Return all unknown files.
887
These are files in the working directory that are not versioned or
888
control files or ignored.
890
>>> from bzrlib.bzrdir import ScratchDir
891
>>> d = ScratchDir(files=['foo', 'foo~'])
892
>>> b = d.open_branch()
893
>>> tree = d.open_workingtree()
894
>>> map(str, tree.unknowns())
897
>>> list(b.unknowns())
899
>>> tree.remove('foo')
900
>>> list(b.unknowns())
903
for subp in self.extras():
904
if not self.is_ignored(subp):
907
@deprecated_method(zero_eight)
908
def iter_conflicts(self):
909
"""List all files in the tree that have text or content conflicts.
910
DEPRECATED. Use conflicts instead."""
911
return self._iter_conflicts()
913
def _iter_conflicts(self):
915
for path in (s[0] for s in self.list_files()):
916
stem = get_conflicted_stem(path)
919
if stem not in conflicted:
924
def pull(self, source, overwrite=False, stop_revision=None):
925
top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
928
pp = ProgressPhase("Pull phase", 2, top_pb)
930
old_revision_history = self.branch.revision_history()
931
basis_tree = self.basis_tree()
932
count = self.branch.pull(source, overwrite, stop_revision)
933
new_revision_history = self.branch.revision_history()
934
if new_revision_history != old_revision_history:
936
if len(old_revision_history):
937
other_revision = old_revision_history[-1]
939
other_revision = None
940
repository = self.branch.repository
941
pb = bzrlib.ui.ui_factory.nested_progress_bar()
943
merge_inner(self.branch,
944
self.branch.basis_tree(),
950
self.set_last_revision(self.branch.last_revision())
957
"""Yield all unknown files in this WorkingTree.
959
If there are any unknown directories then only the directory is
960
returned, not all its children. But if there are unknown files
961
under a versioned subdirectory, they are returned.
963
Currently returned depth-first, sorted by name within directories.
965
## TODO: Work from given directory downwards
966
for path, dir_entry in self.inventory.directories():
967
mutter("search for unknowns in %r", path)
968
dirabs = self.abspath(path)
969
if not isdir(dirabs):
970
# e.g. directory deleted
974
for subf in os.listdir(dirabs):
976
and (subf not in dir_entry.children)):
981
subp = appendpath(path, subf)
984
def _translate_ignore_rule(self, rule):
985
"""Translate a single ignore rule to a regex.
987
There are two types of ignore rules. Those that do not contain a / are
988
matched against the tail of the filename (that is, they do not care
989
what directory the file is in.) Rules which do contain a slash must
990
match the entire path. As a special case, './' at the start of the
991
string counts as a slash in the string but is removed before matching
992
(e.g. ./foo.c, ./src/foo.c)
994
:return: The translated regex.
996
if rule[:2] in ('./', '.\\'):
998
result = fnmatch.translate(rule[2:])
999
elif '/' in rule or '\\' in rule:
1001
result = fnmatch.translate(rule)
1003
# default rule style.
1004
result = "(?:.*/)?(?!.*/)" + fnmatch.translate(rule)
1005
assert result[-1] == '$', "fnmatch.translate did not add the expected $"
1006
return "(" + result + ")"
1008
def _combine_ignore_rules(self, rules):
1009
"""Combine a list of ignore rules into a single regex object.
1011
Each individual rule is combined with | to form a big regex, which then
1012
has $ added to it to form something like ()|()|()$. The group index for
1013
each subregex's outermost group is placed in a dictionary mapping back
1014
to the rule. This allows quick identification of the matching rule that
1016
:return: a list of the compiled regex and the matching-group index
1017
dictionaries. We return a list because python complains if you try to
1018
combine more than 100 regexes.
1023
translated_rules = []
1025
translated_rule = self._translate_ignore_rule(rule)
1026
compiled_rule = re.compile(translated_rule)
1027
groups[next_group] = rule
1028
next_group += compiled_rule.groups
1029
translated_rules.append(translated_rule)
1030
if next_group == 99:
1031
result.append((re.compile("|".join(translated_rules)), groups))
1034
translated_rules = []
1035
if len(translated_rules):
1036
result.append((re.compile("|".join(translated_rules)), groups))
1039
def ignored_files(self):
1040
"""Yield list of PATH, IGNORE_PATTERN"""
1041
for subp in self.extras():
1042
pat = self.is_ignored(subp)
1046
def get_ignore_list(self):
1047
"""Return list of ignore patterns.
1049
Cached in the Tree object after the first call.
1051
if hasattr(self, '_ignorelist'):
1052
return self._ignorelist
1054
l = bzrlib.DEFAULT_IGNORE[:]
1055
if self.has_filename(bzrlib.IGNORE_FILENAME):
1056
f = self.get_file_byname(bzrlib.IGNORE_FILENAME)
1057
l.extend([line.rstrip("\n\r") for line in f.readlines()])
1058
self._ignorelist = l
1059
self._ignore_regex = self._combine_ignore_rules(l)
1062
def _get_ignore_rules_as_regex(self):
1063
"""Return a regex of the ignore rules and a mapping dict.
1065
:return: (ignore rules compiled regex, dictionary mapping rule group
1066
indices to original rule.)
1068
if getattr(self, '_ignorelist', None) is None:
1069
self.get_ignore_list()
1070
return self._ignore_regex
1072
def is_ignored(self, filename):
1073
r"""Check whether the filename matches an ignore pattern.
1075
Patterns containing '/' or '\' need to match the whole path;
1076
others match against only the last component.
1078
If the file is ignored, returns the pattern which caused it to
1079
be ignored, otherwise None. So this can simply be used as a
1080
boolean if desired."""
1082
# TODO: Use '**' to match directories, and other extended
1083
# globbing stuff from cvs/rsync.
1085
# XXX: fnmatch is actually not quite what we want: it's only
1086
# approximately the same as real Unix fnmatch, and doesn't
1087
# treat dotfiles correctly and allows * to match /.
1088
# Eventually it should be replaced with something more
1091
rules = self._get_ignore_rules_as_regex()
1092
for regex, mapping in rules:
1093
match = regex.match(filename)
1094
if match is not None:
1095
# one or more of the groups in mapping will have a non-None group
1097
groups = match.groups()
1098
rules = [mapping[group] for group in
1099
mapping if groups[group] is not None]
1103
def kind(self, file_id):
1104
return file_kind(self.id2abspath(file_id))
1107
def last_revision(self):
1108
"""Return the last revision id of this working tree.
1110
In early branch formats this was == the branch last_revision,
1111
but that cannot be relied upon - for working tree operations,
1112
always use tree.last_revision().
1114
return self.branch.last_revision()
1116
def is_locked(self):
1117
return self._control_files.is_locked()
1119
def lock_read(self):
1120
"""See Branch.lock_read, and WorkingTree.unlock."""
1121
self.branch.lock_read()
1123
return self._control_files.lock_read()
1125
self.branch.unlock()
1128
def lock_write(self):
1129
"""See Branch.lock_write, and WorkingTree.unlock."""
1130
self.branch.lock_write()
1132
return self._control_files.lock_write()
1134
self.branch.unlock()
1137
def get_physical_lock_status(self):
1138
return self._control_files.get_physical_lock_status()
1140
def _basis_inventory_name(self):
1141
return 'basis-inventory'
1144
def set_last_revision(self, new_revision):
1145
"""Change the last revision in the working tree."""
1146
if self._change_last_revision(new_revision):
1147
self._cache_basis_inventory(new_revision)
1149
def _change_last_revision(self, new_revision):
1150
"""Template method part of set_last_revision to perform the change.
1152
This is used to allow WorkingTree3 instances to not affect branch
1153
when their last revision is set.
1155
if new_revision is None:
1156
self.branch.set_revision_history([])
1158
# current format is locked in with the branch
1159
revision_history = self.branch.revision_history()
1161
position = revision_history.index(new_revision)
1163
raise errors.NoSuchRevision(self.branch, new_revision)
1164
self.branch.set_revision_history(revision_history[:position + 1])
1167
def _cache_basis_inventory(self, new_revision):
1168
"""Cache new_revision as the basis inventory."""
1170
# this double handles the inventory - unpack and repack -
1171
# but is easier to understand. We can/should put a conditional
1172
# in here based on whether the inventory is in the latest format
1173
# - perhaps we should repack all inventories on a repository
1175
inv = self.branch.repository.get_inventory(new_revision)
1176
inv.revision_id = new_revision
1177
xml = bzrlib.xml5.serializer_v5.write_inventory_to_string(inv)
1179
path = self._basis_inventory_name()
1180
self._control_files.put_utf8(path, xml)
1181
except WeaveRevisionNotPresent:
1184
def read_basis_inventory(self):
1185
"""Read the cached basis inventory."""
1186
path = self._basis_inventory_name()
1187
return self._control_files.get_utf8(path).read()
1190
def read_working_inventory(self):
1191
"""Read the working inventory."""
1192
# ElementTree does its own conversion from UTF-8, so open in
1194
result = bzrlib.xml5.serializer_v5.read_inventory(
1195
self._control_files.get('inventory'))
1196
self._set_inventory(result)
1200
def remove(self, files, verbose=False):
1201
"""Remove nominated files from the working inventory..
1203
This does not remove their text. This does not run on XXX on what? RBC
1205
TODO: Refuse to remove modified files unless --force is given?
1207
TODO: Do something useful with directories.
1209
TODO: Should this remove the text or not? Tough call; not
1210
removing may be useful and the user can just use use rm, and
1211
is the opposite of add. Removing it is consistent with most
1212
other tools. Maybe an option.
1214
## TODO: Normalize names
1215
## TODO: Remove nested loops; better scalability
1216
if isinstance(files, basestring):
1219
inv = self.inventory
1221
# do this before any modifications
1223
fid = inv.path2id(f)
1225
# TODO: Perhaps make this just a warning, and continue?
1226
# This tends to happen when
1227
raise NotVersionedError(path=f)
1228
mutter("remove inventory entry %s {%s}", quotefn(f), fid)
1230
# having remove it, it must be either ignored or unknown
1231
if self.is_ignored(f):
1235
show_status(new_status, inv[fid].kind, quotefn(f))
1238
self._write_inventory(inv)
1241
def revert(self, filenames, old_tree=None, backups=True,
1242
pb=DummyProgress()):
1243
from transform import revert
1244
from conflicts import resolve
1245
if old_tree is None:
1246
old_tree = self.basis_tree()
1247
conflicts = revert(self, old_tree, filenames, backups, pb)
1248
if not len(filenames):
1249
self.set_pending_merges([])
1252
resolve(self, filenames, ignore_misses=True)
1255
# XXX: This method should be deprecated in favour of taking in a proper
1256
# new Inventory object.
1258
def set_inventory(self, new_inventory_list):
1259
from bzrlib.inventory import (Inventory,
1264
inv = Inventory(self.get_root_id())
1265
for path, file_id, parent, kind in new_inventory_list:
1266
name = os.path.basename(path)
1269
# fixme, there should be a factory function inv,add_??
1270
if kind == 'directory':
1271
inv.add(InventoryDirectory(file_id, name, parent))
1272
elif kind == 'file':
1273
inv.add(InventoryFile(file_id, name, parent))
1274
elif kind == 'symlink':
1275
inv.add(InventoryLink(file_id, name, parent))
1277
raise BzrError("unknown kind %r" % kind)
1278
self._write_inventory(inv)
1281
def set_root_id(self, file_id):
1282
"""Set the root id for this tree."""
1283
inv = self.read_working_inventory()
1284
orig_root_id = inv.root.file_id
1285
del inv._byid[inv.root.file_id]
1286
inv.root.file_id = file_id
1287
inv._byid[inv.root.file_id] = inv.root
1290
if entry.parent_id == orig_root_id:
1291
entry.parent_id = inv.root.file_id
1292
self._write_inventory(inv)
1295
"""See Branch.unlock.
1297
WorkingTree locking just uses the Branch locking facilities.
1298
This is current because all working trees have an embedded branch
1299
within them. IF in the future, we were to make branch data shareable
1300
between multiple working trees, i.e. via shared storage, then we
1301
would probably want to lock both the local tree, and the branch.
1303
# FIXME: We want to write out the hashcache only when the last lock on
1304
# this working copy is released. Peeking at the lock count is a bit
1305
# of a nasty hack; probably it's better to have a transaction object,
1306
# which can do some finalization when it's either successfully or
1307
# unsuccessfully completed. (Denys's original patch did that.)
1308
# RBC 20060206 hookinhg into transaction will couple lock and transaction
1309
# wrongly. Hookinh into unllock on the control files object is fine though.
1311
# TODO: split this per format so there is no ugly if block
1312
if self._hashcache.needs_write and (
1313
# dedicated lock files
1314
self._control_files._lock_count==1 or
1316
(self._control_files is self.branch.control_files and
1317
self._control_files._lock_count==3)):
1318
self._hashcache.write()
1319
# reverse order of locking.
1321
return self._control_files.unlock()
1323
self.branch.unlock()
1327
"""Update a working tree along its branch.
1329
This will update the branch if its bound too, which means we have multiple trees involved:
1330
The new basis tree of the master.
1331
The old basis tree of the branch.
1332
The old basis tree of the working tree.
1333
The current working tree state.
1334
pathologically all three may be different, and non ancestors of each other.
1335
Conceptually we want to:
1336
Preserve the wt.basis->wt.state changes
1337
Transform the wt.basis to the new master basis.
1338
Apply a merge of the old branch basis to get any 'local' changes from it into the tree.
1339
Restore the wt.basis->wt.state changes.
1341
There isn't a single operation at the moment to do that, so we:
1342
Merge current state -> basis tree of the master w.r.t. the old tree basis.
1343
Do a 'normal' merge of the old branch basis if it is relevant.
1345
old_tip = self.branch.update()
1346
if old_tip is not None:
1347
self.add_pending_merge(old_tip)
1348
self.branch.lock_read()
1351
if self.last_revision() != self.branch.last_revision():
1352
# merge tree state up to new branch tip.
1353
basis = self.basis_tree()
1354
to_tree = self.branch.basis_tree()
1355
result += merge_inner(self.branch,
1359
self.set_last_revision(self.branch.last_revision())
1360
if old_tip and old_tip != self.last_revision():
1361
# our last revision was not the prior branch last reivison
1362
# and we have converted that last revision to a pending merge.
1363
# base is somewhere between the branch tip now
1364
# and the now pending merge
1365
from bzrlib.revision import common_ancestor
1367
base_rev_id = common_ancestor(self.branch.last_revision(),
1369
self.branch.repository)
1370
except errors.NoCommonAncestor:
1372
base_tree = self.branch.repository.revision_tree(base_rev_id)
1373
other_tree = self.branch.repository.revision_tree(old_tip)
1374
result += merge_inner(self.branch,
1380
self.branch.unlock()
1383
def _write_inventory(self, inv):
1384
"""Write inventory as the current inventory."""
1386
bzrlib.xml5.serializer_v5.write_inventory(inv, sio)
1388
self._control_files.put('inventory', sio)
1389
self._set_inventory(inv)
1390
mutter('wrote working inventory')
1392
def set_conflicts(self, arg):
1393
raise UnsupportedOperation(self.set_conflicts, self)
1396
def conflicts(self):
1397
conflicts = ConflictList()
1398
for conflicted in self._iter_conflicts():
1401
if file_kind(self.abspath(conflicted)) != "file":
1404
if e.errno == errno.ENOENT:
1409
for suffix in ('.THIS', '.OTHER'):
1411
kind = file_kind(self.abspath(conflicted+suffix))
1413
if e.errno == errno.ENOENT:
1421
ctype = {True: 'text conflict', False: 'contents conflict'}[text]
1422
conflicts.append(Conflict.factory(ctype, path=conflicted,
1423
file_id=self.path2id(conflicted)))
1427
class WorkingTree3(WorkingTree):
1428
"""This is the Format 3 working tree.
1430
This differs from the base WorkingTree by:
1431
- having its own file lock
1432
- having its own last-revision property.
1434
This is new in bzr 0.8
1438
def last_revision(self):
1439
"""See WorkingTree.last_revision."""
1441
return self._control_files.get_utf8('last-revision').read()
1445
def _change_last_revision(self, revision_id):
1446
"""See WorkingTree._change_last_revision."""
1447
if revision_id is None or revision_id == NULL_REVISION:
1449
self._control_files._transport.delete('last-revision')
1450
except errors.NoSuchFile:
1455
self.branch.revision_history().index(revision_id)
1457
raise errors.NoSuchRevision(self.branch, revision_id)
1458
self._control_files.put_utf8('last-revision', revision_id)
1462
def set_conflicts(self, conflicts):
1463
self._put_rio('conflicts', conflicts.to_stanzas(),
1467
def conflicts(self):
1469
confile = self._control_files.get('conflicts')
1471
return ConflictList()
1473
if confile.next() != CONFLICT_HEADER_1 + '\n':
1474
raise ConflictFormatError()
1475
except StopIteration:
1476
raise ConflictFormatError()
1477
return ConflictList.from_stanzas(RioReader(confile))
1480
def get_conflicted_stem(path):
1481
for suffix in CONFLICT_SUFFIXES:
1482
if path.endswith(suffix):
1483
return path[:-len(suffix)]
1485
@deprecated_function(zero_eight)
1486
def is_control_file(filename):
1487
"""See WorkingTree.is_control_filename(filename)."""
1488
## FIXME: better check
1489
filename = normpath(filename)
1490
while filename != '':
1491
head, tail = os.path.split(filename)
1492
## mutter('check %r for control file' % ((head, tail),))
1495
if filename == head:
1501
class WorkingTreeFormat(object):
1502
"""An encapsulation of the initialization and open routines for a format.
1504
Formats provide three things:
1505
* An initialization routine,
1509
Formats are placed in an dict by their format string for reference
1510
during workingtree opening. Its not required that these be instances, they
1511
can be classes themselves with class methods - it simply depends on
1512
whether state is needed for a given format or not.
1514
Once a format is deprecated, just deprecate the initialize and open
1515
methods on the format class. Do not deprecate the object, as the
1516
object will be created every time regardless.
1519
_default_format = None
1520
"""The default format used for new trees."""
1523
"""The known formats."""
1526
def find_format(klass, a_bzrdir):
1527
"""Return the format for the working tree object in a_bzrdir."""
1529
transport = a_bzrdir.get_workingtree_transport(None)
1530
format_string = transport.get("format").read()
1531
return klass._formats[format_string]
1533
raise errors.NoWorkingTree(base=transport.base)
1535
raise errors.UnknownFormatError(format_string)
1538
def get_default_format(klass):
1539
"""Return the current default format."""
1540
return klass._default_format
1542
def get_format_string(self):
1543
"""Return the ASCII format string that identifies this format."""
1544
raise NotImplementedError(self.get_format_string)
1546
def get_format_description(self):
1547
"""Return the short description for this format."""
1548
raise NotImplementedError(self.get_format_description)
1550
def is_supported(self):
1551
"""Is this format supported?
1553
Supported formats can be initialized and opened.
1554
Unsupported formats may not support initialization or committing or
1555
some other features depending on the reason for not being supported.
1560
def register_format(klass, format):
1561
klass._formats[format.get_format_string()] = format
1564
def set_default_format(klass, format):
1565
klass._default_format = format
1568
def unregister_format(klass, format):
1569
assert klass._formats[format.get_format_string()] is format
1570
del klass._formats[format.get_format_string()]
1574
class WorkingTreeFormat2(WorkingTreeFormat):
1575
"""The second working tree format.
1577
This format modified the hash cache from the format 1 hash cache.
1580
def get_format_description(self):
1581
"""See WorkingTreeFormat.get_format_description()."""
1582
return "Working tree format 2"
1584
def stub_initialize_remote(self, control_files):
1585
"""As a special workaround create critical control files for a remote working tree
1587
This ensures that it can later be updated and dealt with locally,
1588
since BzrDirFormat6 and BzrDirFormat5 cannot represent dirs with
1589
no working tree. (See bug #43064).
1593
bzrlib.xml5.serializer_v5.write_inventory(inv, sio)
1595
control_files.put('inventory', sio)
1597
control_files.put_utf8('pending-merges', '')
1600
def initialize(self, a_bzrdir, revision_id=None):
1601
"""See WorkingTreeFormat.initialize()."""
1602
if not isinstance(a_bzrdir.transport, LocalTransport):
1603
raise errors.NotLocalUrl(a_bzrdir.transport.base)
1604
branch = a_bzrdir.open_branch()
1605
if revision_id is not None:
1608
revision_history = branch.revision_history()
1610
position = revision_history.index(revision_id)
1612
raise errors.NoSuchRevision(branch, revision_id)
1613
branch.set_revision_history(revision_history[:position + 1])
1616
revision = branch.last_revision()
1618
wt = WorkingTree(a_bzrdir.root_transport.base,
1624
wt._write_inventory(inv)
1625
wt.set_root_id(inv.root.file_id)
1626
wt.set_last_revision(revision)
1627
wt.set_pending_merges([])
1628
build_tree(wt.basis_tree(), wt)
1632
super(WorkingTreeFormat2, self).__init__()
1633
self._matchingbzrdir = bzrdir.BzrDirFormat6()
1635
def open(self, a_bzrdir, _found=False):
1636
"""Return the WorkingTree object for a_bzrdir
1638
_found is a private parameter, do not use it. It is used to indicate
1639
if format probing has already been done.
1642
# we are being called directly and must probe.
1643
raise NotImplementedError
1644
if not isinstance(a_bzrdir.transport, LocalTransport):
1645
raise errors.NotLocalUrl(a_bzrdir.transport.base)
1646
return WorkingTree(a_bzrdir.root_transport.base,
1652
class WorkingTreeFormat3(WorkingTreeFormat):
1653
"""The second working tree format updated to record a format marker.
1656
- exists within a metadir controlling .bzr
1657
- includes an explicit version marker for the workingtree control
1658
files, separate from the BzrDir format
1659
- modifies the hash cache format
1661
- uses a LockDir to guard access to the repository
1664
def get_format_string(self):
1665
"""See WorkingTreeFormat.get_format_string()."""
1666
return "Bazaar-NG Working Tree format 3"
1668
def get_format_description(self):
1669
"""See WorkingTreeFormat.get_format_description()."""
1670
return "Working tree format 3"
1672
_lock_file_name = 'lock'
1673
_lock_class = LockDir
1675
def _open_control_files(self, a_bzrdir):
1676
transport = a_bzrdir.get_workingtree_transport(None)
1677
return LockableFiles(transport, self._lock_file_name,
1680
def initialize(self, a_bzrdir, revision_id=None):
1681
"""See WorkingTreeFormat.initialize().
1683
revision_id allows creating a working tree at a differnet
1684
revision than the branch is at.
1686
if not isinstance(a_bzrdir.transport, LocalTransport):
1687
raise errors.NotLocalUrl(a_bzrdir.transport.base)
1688
transport = a_bzrdir.get_workingtree_transport(self)
1689
control_files = self._open_control_files(a_bzrdir)
1690
control_files.create_lock()
1691
control_files.lock_write()
1692
control_files.put_utf8('format', self.get_format_string())
1693
branch = a_bzrdir.open_branch()
1694
if revision_id is None:
1695
revision_id = branch.last_revision()
1697
wt = WorkingTree3(a_bzrdir.root_transport.base,
1703
_control_files=control_files)
1706
wt._write_inventory(inv)
1707
wt.set_root_id(inv.root.file_id)
1708
wt.set_last_revision(revision_id)
1709
wt.set_pending_merges([])
1710
build_tree(wt.basis_tree(), wt)
1713
control_files.unlock()
1717
super(WorkingTreeFormat3, self).__init__()
1718
self._matchingbzrdir = bzrdir.BzrDirMetaFormat1()
1720
def open(self, a_bzrdir, _found=False):
1721
"""Return the WorkingTree object for a_bzrdir
1723
_found is a private parameter, do not use it. It is used to indicate
1724
if format probing has already been done.
1727
# we are being called directly and must probe.
1728
raise NotImplementedError
1729
if not isinstance(a_bzrdir.transport, LocalTransport):
1730
raise errors.NotLocalUrl(a_bzrdir.transport.base)
1731
control_files = self._open_control_files(a_bzrdir)
1732
return WorkingTree3(a_bzrdir.root_transport.base,
1736
_control_files=control_files)
1739
return self.get_format_string()
1742
# formats which have no format string are not discoverable
1743
# and not independently creatable, so are not registered.
1744
__default_format = WorkingTreeFormat3()
1745
WorkingTreeFormat.register_format(__default_format)
1746
WorkingTreeFormat.set_default_format(__default_format)
1747
_legacy_formats = [WorkingTreeFormat2(),
1751
class WorkingTreeTestProviderAdapter(object):
1752
"""A tool to generate a suite testing multiple workingtree formats at once.
1754
This is done by copying the test once for each transport and injecting
1755
the transport_server, transport_readonly_server, and workingtree_format
1756
classes into each copy. Each copy is also given a new id() to make it
1760
def __init__(self, transport_server, transport_readonly_server, formats):
1761
self._transport_server = transport_server
1762
self._transport_readonly_server = transport_readonly_server
1763
self._formats = formats
1765
def adapt(self, test):
1766
from bzrlib.tests import TestSuite
1767
result = TestSuite()
1768
for workingtree_format, bzrdir_format in self._formats:
1769
new_test = deepcopy(test)
1770
new_test.transport_server = self._transport_server
1771
new_test.transport_readonly_server = self._transport_readonly_server
1772
new_test.bzrdir_format = bzrdir_format
1773
new_test.workingtree_format = workingtree_format
1774
def make_new_test_id():
1775
new_id = "%s(%s)" % (new_test.id(), workingtree_format.__class__.__name__)
1776
return lambda: new_id
1777
new_test.id = make_new_test_id()
1778
result.addTest(new_test)
added
removed
bzrlib/workingtree.py
