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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from warnings import warn
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from cStringIO import StringIO
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import sys, os, os.path, random, time, sha, sets, types, re, shutil, tempfile
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import traceback, socket, fnmatch, difflib, time
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from binascii import hexlify
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from inventory import Inventory
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from trace import mutter, note
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from tree import Tree, EmptyTree, RevisionTree, WorkingTree
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from inventory import InventoryEntry, Inventory
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from osutils import isdir, quotefn, isfile, uuid, sha_file, username, \
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format_date, compact_date, pumpfile, user_email, rand_bytes, splitpath, \
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joinpath, sha_string, file_kind, local_time_offset, appendpath
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from store import ImmutableStore
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from revision import Revision
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from errors import bailout, BzrError
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from textui import show_status
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from diff import diff_trees
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BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\n"
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from bzrlib.inventory import InventoryEntry
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import bzrlib.inventory as inventory
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from bzrlib.trace import mutter, note
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from bzrlib.osutils import (isdir, quotefn, compact_date, rand_bytes,
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rename, splitpath, sha_file, appendpath,
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import bzrlib.errors as errors
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from bzrlib.errors import (BzrError, InvalidRevisionNumber, InvalidRevisionId,
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NoSuchRevision, HistoryMissing, NotBranchError,
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DivergedBranches, LockError, UnlistableStore,
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UnlistableBranch, NoSuchFile, NotVersionedError,
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from bzrlib.textui import show_status
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from bzrlib.revision import (Revision, is_ancestor, get_intervening_revisions,
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from bzrlib.delta import compare_trees
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from bzrlib.tree import EmptyTree, RevisionTree
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from bzrlib.inventory import Inventory
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from bzrlib.store import copy_all
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from bzrlib.store.text import TextStore
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from bzrlib.store.weave import WeaveStore
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from bzrlib.testament import Testament
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import bzrlib.transactions as transactions
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from bzrlib.transport import Transport, get_transport
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from config import TreeConfig
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BZR_BRANCH_FORMAT_4 = "Bazaar-NG branch, format 0.0.4\n"
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BZR_BRANCH_FORMAT_5 = "Bazaar-NG branch, format 5\n"
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BZR_BRANCH_FORMAT_6 = "Bazaar-NG branch, format 6\n"
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## TODO: Maybe include checks for common corruption of newlines, etc?
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def find_branch_root(f=None):
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"""Find the branch root enclosing f, or pwd.
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It is not necessary that f exists.
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Basically we keep looking up until we find the control directory or
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elif hasattr(os.path, 'realpath'):
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f = os.path.realpath(f)
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f = os.path.abspath(f)
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if os.path.exists(os.path.join(f, bzrlib.BZRDIR)):
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head, tail = os.path.split(f)
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# reached the root, whatever that may be
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raise BzrError('%r is not in a branch' % orig_f)
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# TODO: Some operations like log might retrieve the same revisions
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# repeatedly to calculate deltas. We could perhaps have a weakref
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# cache in memory to make this faster. In general anything can be
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# cached in memory between lock and unlock operations.
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def find_branch(*ignored, **ignored_too):
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# XXX: leave this here for about one release, then remove it
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raise NotImplementedError('find_branch() is not supported anymore, '
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'please use one of the new branch constructors')
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def needs_read_lock(unbound):
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"""Decorate unbound to take out and release a read lock."""
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def decorated(self, *args, **kwargs):
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return unbound(self, *args, **kwargs)
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def needs_write_lock(unbound):
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"""Decorate unbound to take out and release a write lock."""
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def decorated(self, *args, **kwargs):
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return unbound(self, *args, **kwargs)
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######################################################################
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"""Branch holding a history of revisions.
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TODO: Perhaps use different stores for different classes of object,
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so that we can keep track of how much space each one uses,
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or garbage-collect them.
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TODO: Add a RemoteBranch subclass. For the basic case of read-only
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HTTP access this should be very easy by,
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just redirecting controlfile access into HTTP requests.
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We would need a RemoteStore working similarly.
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TODO: Keep the on-disk branch locked while the object exists.
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def __init__(self, base, init=False, find_root=True):
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Base directory/url of the branch.
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def __init__(self, *ignored, **ignored_too):
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raise NotImplementedError('The Branch class is abstract')
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def open_downlevel(base):
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"""Open a branch which may be of an old format.
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Only local branches are supported."""
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return BzrBranch(get_transport(base), relax_version_check=True)
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"""Open an existing branch, rooted at 'base' (url)"""
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t = get_transport(base)
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mutter("trying to open %r with transport %r", base, t)
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def open_containing(url):
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"""Open an existing branch which contains url.
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This probes for a branch at url, 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 the root. If there isn't one, raises NotBranchError.
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If there is one, it is returned, along with the unused portion of url.
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t = get_transport(url)
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return BzrBranch(t), t.relpath(url)
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except NotBranchError:
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new_t = t.clone('..')
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if new_t.base == t.base:
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# reached the root, whatever that may be
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raise NotBranchError(path=url)
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def initialize(base):
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"""Create a new branch, rooted at 'base' (url)"""
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t = get_transport(base)
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return BzrBranch(t, init=True)
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def setup_caching(self, cache_root):
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"""Subclasses that care about caching should override this, and set
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up cached stores located under cache_root.
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self.cache_root = cache_root
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cfg = self.tree_config()
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return cfg.get_option(u"nickname", default=self.base.split('/')[-1])
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def _set_nick(self, nick):
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cfg = self.tree_config()
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cfg.set_option(nick, "nickname")
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assert cfg.get_option("nickname") == nick
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nick = property(_get_nick, _set_nick)
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def push_stores(self, branch_to):
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"""Copy the content of this branches store to branch_to."""
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raise NotImplementedError('push_stores is abstract')
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def get_transaction(self):
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"""Return the current active transaction.
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If no transaction is active, this returns a passthrough object
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for which all data is immediately flushed and no caching happens.
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raise NotImplementedError('get_transaction is abstract')
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def lock_write(self):
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raise NotImplementedError('lock_write is abstract')
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raise NotImplementedError('lock_read is abstract')
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raise NotImplementedError('unlock is abstract')
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def abspath(self, name):
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"""Return absolute filename for something in the branch
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XXX: Robert Collins 20051017 what is this used for? why is it a branch
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method and not a tree method.
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raise NotImplementedError('abspath is abstract')
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def controlfilename(self, file_or_path):
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"""Return location relative to branch."""
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raise NotImplementedError('controlfilename is abstract')
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def controlfile(self, file_or_path, mode='r'):
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"""Open a control file for this branch.
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There are two classes of file in the control directory: text
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and binary. binary files are untranslated byte streams. Text
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control files are stored with Unix newlines and in UTF-8, even
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if the platform or locale defaults are different.
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Controlfiles should almost never be opened in write mode but
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rather should be atomically copied and replaced using atomicfile.
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raise NotImplementedError('controlfile is abstract')
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def put_controlfile(self, path, f, encode=True):
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"""Write an entry as a controlfile.
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:param path: The path to put the file, relative to the .bzr control
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:param f: A file-like or string object whose contents should be copied.
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:param encode: If true, encode the contents as utf-8
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raise NotImplementedError('put_controlfile is abstract')
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def put_controlfiles(self, files, encode=True):
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"""Write several entries as controlfiles.
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:param files: A list of [(path, file)] pairs, where the path is the directory
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underneath the bzr control directory
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:param encode: If true, encode the contents as utf-8
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raise NotImplementedError('put_controlfiles is abstract')
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def get_root_id(self):
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"""Return the id of this branches root"""
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raise NotImplementedError('get_root_id is abstract')
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def set_root_id(self, file_id):
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raise NotImplementedError('set_root_id is abstract')
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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 puts the files in the Added state, 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 yield the ids and paths as they're added.
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raise NotImplementedError('add is abstract')
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def print_file(self, file, revno):
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"""Print `file` to stdout."""
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raise NotImplementedError('print_file is abstract')
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"""Return all unknown files.
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These are files in the working directory that are not versioned or
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control files or ignored.
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>>> from bzrlib.workingtree import WorkingTree
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>>> b = ScratchBranch(files=['foo', 'foo~'])
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>>> map(str, b.unknowns())
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>>> list(b.unknowns())
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>>> WorkingTree(b.base, b).remove('foo')
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>>> list(b.unknowns())
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raise NotImplementedError('unknowns is abstract')
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def append_revision(self, *revision_ids):
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raise NotImplementedError('append_revision is abstract')
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def set_revision_history(self, rev_history):
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raise NotImplementedError('set_revision_history is abstract')
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def has_revision(self, revision_id):
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"""True if this branch has a copy of the revision.
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This does not necessarily imply the revision is merge
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or on the mainline."""
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raise NotImplementedError('has_revision is abstract')
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def get_revision_xml(self, revision_id):
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raise NotImplementedError('get_revision_xml is abstract')
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def get_revision(self, revision_id):
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"""Return the Revision object for a named revision"""
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raise NotImplementedError('get_revision is abstract')
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def get_revision_delta(self, revno):
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"""Return the delta for one revision.
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The delta is relative to its mainline predecessor, or the
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empty tree for revision 1.
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assert isinstance(revno, int)
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rh = self.revision_history()
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if not (1 <= revno <= len(rh)):
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raise InvalidRevisionNumber(revno)
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# revno is 1-based; list is 0-based
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new_tree = self.revision_tree(rh[revno-1])
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old_tree = EmptyTree()
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old_tree = self.revision_tree(rh[revno-2])
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return compare_trees(old_tree, new_tree)
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def get_revision_sha1(self, revision_id):
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"""Hash the stored value of a revision, and return it."""
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raise NotImplementedError('get_revision_sha1 is abstract')
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def get_ancestry(self, revision_id):
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"""Return a list of revision-ids integrated by a revision.
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This currently returns a list, but the ordering is not guaranteed:
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raise NotImplementedError('get_ancestry is abstract')
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def get_inventory(self, revision_id):
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"""Get Inventory object by hash."""
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raise NotImplementedError('get_inventory is abstract')
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def get_inventory_xml(self, revision_id):
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"""Get inventory XML as a file object."""
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raise NotImplementedError('get_inventory_xml is abstract')
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def get_inventory_sha1(self, revision_id):
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"""Return the sha1 hash of the inventory entry."""
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raise NotImplementedError('get_inventory_sha1 is abstract')
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def get_revision_inventory(self, revision_id):
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"""Return inventory of a past revision."""
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raise NotImplementedError('get_revision_inventory is abstract')
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def revision_history(self):
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"""Return sequence of revision hashes on to this branch."""
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raise NotImplementedError('revision_history is abstract')
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"""Return current revision number for this branch.
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That is equivalent to the number of revisions committed to
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return len(self.revision_history())
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def last_revision(self):
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"""Return last patch hash, or None if no history."""
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ph = self.revision_history()
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def missing_revisions(self, other, stop_revision=None, diverged_ok=False):
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"""Return a list of new revisions that would perfectly fit.
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If self and other have not diverged, return a list of the revisions
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present in other, but missing from self.
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>>> from bzrlib.commit import commit
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>>> bzrlib.trace.silent = True
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>>> br1 = ScratchBranch()
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>>> br2 = ScratchBranch()
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>>> br1.missing_revisions(br2)
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>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
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>>> br1.missing_revisions(br2)
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>>> br2.missing_revisions(br1)
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>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
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>>> br1.missing_revisions(br2)
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>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
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>>> br1.missing_revisions(br2)
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>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
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>>> br1.missing_revisions(br2)
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Traceback (most recent call last):
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DivergedBranches: These branches have diverged.
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self_history = self.revision_history()
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self_len = len(self_history)
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other_history = other.revision_history()
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other_len = len(other_history)
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common_index = min(self_len, other_len) -1
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if common_index >= 0 and \
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self_history[common_index] != other_history[common_index]:
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raise DivergedBranches(self, other)
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if stop_revision is None:
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stop_revision = other_len
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assert isinstance(stop_revision, int)
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if stop_revision > other_len:
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raise bzrlib.errors.NoSuchRevision(self, stop_revision)
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return other_history[self_len:stop_revision]
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def update_revisions(self, other, stop_revision=None):
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"""Pull in new perfect-fit revisions."""
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raise NotImplementedError('update_revisions is abstract')
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def pullable_revisions(self, other, stop_revision):
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raise NotImplementedError('pullable_revisions is abstract')
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def revision_id_to_revno(self, revision_id):
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"""Given a revision id, return its revno"""
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if revision_id is None:
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history = self.revision_history()
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return history.index(revision_id) + 1
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raise bzrlib.errors.NoSuchRevision(self, revision_id)
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def get_rev_id(self, revno, history=None):
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"""Find the revision id of the specified revno."""
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history = self.revision_history()
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elif revno <= 0 or revno > len(history):
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raise bzrlib.errors.NoSuchRevision(self, revno)
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return history[revno - 1]
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def revision_tree(self, revision_id):
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"""Return Tree for a revision on this branch.
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`revision_id` may be None for the null revision, in which case
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an `EmptyTree` is returned."""
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raise NotImplementedError('revision_tree is abstract')
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def working_tree(self):
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"""Return a `Tree` for the working copy."""
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raise NotImplementedError('working_tree is abstract')
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def pull(self, source, overwrite=False):
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raise NotImplementedError('pull is abstract')
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def basis_tree(self):
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"""Return `Tree` object for last revision.
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If there are no revisions yet, return an `EmptyTree`.
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return self.revision_tree(self.last_revision())
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def rename_one(self, from_rel, to_rel):
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This can change the directory or the filename or both.
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raise NotImplementedError('rename_one is abstract')
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def move(self, from_paths, to_name):
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to_name must exist as a versioned directory.
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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. If it is a directory,
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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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raise NotImplementedError('move is abstract')
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def get_parent(self):
493
"""Return the parent location of the branch.
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This is the default location for push/pull/missing. The usual
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pattern is that the user can override it by specifying a
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raise NotImplementedError('get_parent is abstract')
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def get_push_location(self):
502
"""Return the None or the location to push this branch to."""
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raise NotImplementedError('get_push_location is abstract')
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def set_push_location(self, location):
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"""Set a new push location for this branch."""
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raise NotImplementedError('set_push_location is abstract')
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def set_parent(self, url):
510
raise NotImplementedError('set_parent is abstract')
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def check_revno(self, revno):
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Check whether a revno corresponds to any revision.
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Zero (the NULL revision) is considered valid.
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self.check_real_revno(revno)
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def check_real_revno(self, revno):
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Check whether a revno corresponds to a real revision.
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Zero (the NULL revision) is considered invalid
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if revno < 1 or revno > self.revno():
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raise InvalidRevisionNumber(revno)
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def sign_revision(self, revision_id, gpg_strategy):
529
raise NotImplementedError('sign_revision is abstract')
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def store_revision_signature(self, gpg_strategy, plaintext, revision_id):
532
raise NotImplementedError('store_revision_signature is abstract')
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class BzrBranch(Branch):
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"""A branch stored in the actual filesystem.
537
Note that it's "local" in the context of the filesystem; it doesn't
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really matter if it's on an nfs/smb/afs/coda/... share, as long as
539
it's writable, and can be accessed via the normal filesystem API.
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If _lock_mode is true, a positive count of the number of times the
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Lock object from bzrlib.lock.
551
# We actually expect this class to be somewhat short-lived; part of its
552
# purpose is to try to isolate what bits of the branch logic are tied to
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# filesystem access, so that in a later step, we can extricate them to
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# a separarte ("storage") class.
558
_inventory_weave = None
560
# Map some sort of prefix into a namespace
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# stuff like "revno:10", "revid:", etc.
562
# This should match a prefix with a function which accepts
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REVISION_NAMESPACES = {}
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def push_stores(self, branch_to):
566
"""See Branch.push_stores."""
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if (self._branch_format != branch_to._branch_format
568
or self._branch_format != 4):
569
from bzrlib.fetch import greedy_fetch
570
mutter("falling back to fetch logic to push between %s(%s) and %s(%s)",
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self, self._branch_format, branch_to, branch_to._branch_format)
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greedy_fetch(to_branch=branch_to, from_branch=self,
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revision=self.last_revision())
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store_pairs = ((self.text_store, branch_to.text_store),
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(self.inventory_store, branch_to.inventory_store),
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(self.revision_store, branch_to.revision_store))
580
for from_store, to_store in store_pairs:
581
copy_all(from_store, to_store)
582
except UnlistableStore:
583
raise UnlistableBranch(from_store)
585
def __init__(self, transport, init=False,
586
relax_version_check=False):
90
587
"""Create new branch object at a particular location.
92
base -- Base directory for the branch.
589
transport -- A Transport object, defining how to access files.
94
591
init -- If True, create new control files in a previously
95
592
unversioned directory. If False, the branch must already
98
find_root -- If true and init is false, find the root of the
99
existing branch containing base.
595
relax_version_check -- If true, the usual check for the branch
596
version is not applied. This is intended only for
597
upgrade/recovery type use; it's not guaranteed that
598
all operations will work on old format branches.
101
600
In the test suite, creation of new trees is tested using the
102
601
`ScratchBranch` class.
603
assert isinstance(transport, Transport), \
604
"%r is not a Transport" % transport
605
self._transport = transport
105
self.base = os.path.realpath(base)
106
607
self._make_control()
108
self.base = find_branch_root(base)
110
self.base = os.path.realpath(base)
111
if not isdir(self.controlfilename('.')):
112
bailout("not a bzr branch: %s" % quotefn(base),
113
['use "bzr init" to initialize a new working tree',
114
'current bzr can only operate from top-of-tree'])
117
self.text_store = ImmutableStore(self.controlfilename('text-store'))
118
self.revision_store = ImmutableStore(self.controlfilename('revision-store'))
119
self.inventory_store = ImmutableStore(self.controlfilename('inventory-store'))
608
self._check_format(relax_version_check)
610
def get_store(name, compressed=True, prefixed=False):
611
# FIXME: This approach of assuming stores are all entirely compressed
612
# or entirely uncompressed is tidy, but breaks upgrade from
613
# some existing branches where there's a mixture; we probably
614
# still want the option to look for both.
615
relpath = self._rel_controlfilename(name)
616
store = TextStore(self._transport.clone(relpath),
618
compressed=compressed)
619
#if self._transport.should_cache():
620
# cache_path = os.path.join(self.cache_root, name)
621
# os.mkdir(cache_path)
622
# store = bzrlib.store.CachedStore(store, cache_path)
624
def get_weave(name, prefixed=False):
625
relpath = self._rel_controlfilename(name)
626
ws = WeaveStore(self._transport.clone(relpath), prefixed=prefixed)
627
if self._transport.should_cache():
628
ws.enable_cache = True
631
if self._branch_format == 4:
632
self.inventory_store = get_store('inventory-store')
633
self.text_store = get_store('text-store')
634
self.revision_store = get_store('revision-store')
635
elif self._branch_format == 5:
636
self.control_weaves = get_weave('')
637
self.weave_store = get_weave('weaves')
638
self.revision_store = get_store('revision-store', compressed=False)
639
elif self._branch_format == 6:
640
self.control_weaves = get_weave('')
641
self.weave_store = get_weave('weaves', prefixed=True)
642
self.revision_store = get_store('revision-store', compressed=False,
644
self.revision_store.register_suffix('sig')
645
self._transaction = None
122
647
def __str__(self):
123
return '%s(%r)' % (self.__class__.__name__, self.base)
648
return '%s(%r)' % (self.__class__.__name__, self._transport.base)
126
650
__repr__ = __str__
653
if self._lock_mode or self._lock:
654
# XXX: This should show something every time, and be suitable for
655
# headless operation and embedding
656
warn("branch %r was not explicitly unlocked" % self)
659
# TODO: It might be best to do this somewhere else,
660
# but it is nice for a Branch object to automatically
661
# cache it's information.
662
# Alternatively, we could have the Transport objects cache requests
663
# See the earlier discussion about how major objects (like Branch)
664
# should never expect their __del__ function to run.
665
if hasattr(self, 'cache_root') and self.cache_root is not None:
667
shutil.rmtree(self.cache_root)
670
self.cache_root = None
674
return self._transport.base
677
base = property(_get_base, doc="The URL for the root of this branch.")
679
def _finish_transaction(self):
680
"""Exit the current transaction."""
681
if self._transaction is None:
682
raise errors.LockError('Branch %s is not in a transaction' %
684
transaction = self._transaction
685
self._transaction = None
688
def get_transaction(self):
689
"""See Branch.get_transaction."""
690
if self._transaction is None:
691
return transactions.PassThroughTransaction()
693
return self._transaction
695
def _set_transaction(self, new_transaction):
696
"""Set a new active transaction."""
697
if self._transaction is not None:
698
raise errors.LockError('Branch %s is in a transaction already.' %
700
self._transaction = new_transaction
702
def lock_write(self):
703
mutter("lock write: %s (%s)", self, self._lock_count)
704
# TODO: Upgrade locking to support using a Transport,
705
# and potentially a remote locking protocol
707
if self._lock_mode != 'w':
708
raise LockError("can't upgrade to a write lock from %r" %
710
self._lock_count += 1
712
self._lock = self._transport.lock_write(
713
self._rel_controlfilename('branch-lock'))
714
self._lock_mode = 'w'
716
self._set_transaction(transactions.PassThroughTransaction())
719
mutter("lock read: %s (%s)", self, self._lock_count)
721
assert self._lock_mode in ('r', 'w'), \
722
"invalid lock mode %r" % self._lock_mode
723
self._lock_count += 1
725
self._lock = self._transport.lock_read(
726
self._rel_controlfilename('branch-lock'))
727
self._lock_mode = 'r'
729
self._set_transaction(transactions.ReadOnlyTransaction())
730
# 5K may be excessive, but hey, its a knob.
731
self.get_transaction().set_cache_size(5000)
734
mutter("unlock: %s (%s)", self, self._lock_count)
735
if not self._lock_mode:
736
raise LockError('branch %r is not locked' % (self))
738
if self._lock_count > 1:
739
self._lock_count -= 1
741
self._finish_transaction()
744
self._lock_mode = self._lock_count = None
129
746
def abspath(self, name):
130
"""Return absolute filename for something in the branch"""
131
return os.path.join(self.base, name)
134
def relpath(self, path):
135
"""Return path relative to this branch of something inside it.
137
Raises an error if path is not in this branch."""
138
rp = os.path.realpath(path)
140
if not rp.startswith(self.base):
141
bailout("path %r is not within branch %r" % (rp, self.base))
142
rp = rp[len(self.base):]
143
rp = rp.lstrip(os.sep)
747
"""See Branch.abspath."""
748
return self._transport.abspath(name)
750
def _rel_controlfilename(self, file_or_path):
751
if not isinstance(file_or_path, basestring):
752
file_or_path = '/'.join(file_or_path)
753
if file_or_path == '':
755
return bzrlib.transport.urlescape(bzrlib.BZRDIR + '/' + file_or_path)
147
757
def controlfilename(self, file_or_path):
148
"""Return location relative to branch."""
149
if isinstance(file_or_path, types.StringTypes):
150
file_or_path = [file_or_path]
151
return os.path.join(self.base, bzrlib.BZRDIR, *file_or_path)
758
"""See Branch.controlfilename."""
759
return self._transport.abspath(self._rel_controlfilename(file_or_path))
154
761
def controlfile(self, file_or_path, mode='r'):
155
"""Open a control file for this branch.
157
There are two classes of file in the control directory: text
158
and binary. binary files are untranslated byte streams. Text
159
control files are stored with Unix newlines and in UTF-8, even
160
if the platform or locale defaults are different.
163
fn = self.controlfilename(file_or_path)
165
if mode == 'rb' or mode == 'wb':
166
return file(fn, mode)
167
elif mode == 'r' or mode == 'w':
168
# open in binary mode anyhow so there's no newline translation;
169
# codecs uses line buffering by default; don't want that.
171
return codecs.open(fn, mode + 'b', 'utf-8',
762
"""See Branch.controlfile."""
765
relpath = self._rel_controlfilename(file_or_path)
766
#TODO: codecs.open() buffers linewise, so it was overloaded with
767
# a much larger buffer, do we need to do the same for getreader/getwriter?
769
return self._transport.get(relpath)
771
raise BzrError("Branch.controlfile(mode='wb') is not supported, use put_controlfiles")
773
# XXX: Do we really want errors='replace'? Perhaps it should be
774
# an error, or at least reported, if there's incorrectly-encoded
775
# data inside a file.
776
# <https://launchpad.net/products/bzr/+bug/3823>
777
return codecs.getreader('utf-8')(self._transport.get(relpath), errors='replace')
779
raise BzrError("Branch.controlfile(mode='w') is not supported, use put_controlfiles")
174
781
raise BzrError("invalid controlfile mode %r" % mode)
783
def put_controlfile(self, path, f, encode=True):
784
"""See Branch.put_controlfile."""
785
self.put_controlfiles([(path, f)], encode=encode)
787
def put_controlfiles(self, files, encode=True):
788
"""See Branch.put_controlfiles."""
791
for path, f in files:
793
if isinstance(f, basestring):
794
f = f.encode('utf-8', 'replace')
796
f = codecs.getwriter('utf-8')(f, errors='replace')
797
path = self._rel_controlfilename(path)
798
ctrl_files.append((path, f))
799
self._transport.put_multi(ctrl_files)
178
801
def _make_control(self):
179
os.mkdir(self.controlfilename([]))
180
self.controlfile('README', 'w').write(
802
from bzrlib.inventory import Inventory
803
from bzrlib.weavefile import write_weave_v5
804
from bzrlib.weave import Weave
806
# Create an empty inventory
808
# if we want per-tree root ids then this is the place to set
809
# them; they're not needed for now and so ommitted for
811
bzrlib.xml5.serializer_v5.write_inventory(Inventory(), sio)
812
empty_inv = sio.getvalue()
814
bzrlib.weavefile.write_weave_v5(Weave(), sio)
815
empty_weave = sio.getvalue()
817
dirs = [[], 'revision-store', 'weaves']
181
819
"This is a Bazaar-NG control directory.\n"
182
"Do not change any files in this directory.")
183
self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT)
184
for d in ('text-store', 'inventory-store', 'revision-store'):
185
os.mkdir(self.controlfilename(d))
186
for f in ('revision-history', 'merged-patches',
187
'pending-merged-patches', 'branch-name'):
188
self.controlfile(f, 'w').write('')
189
mutter('created control directory in ' + self.base)
190
Inventory().write_xml(self.controlfile('inventory','w'))
193
def _check_format(self):
820
"Do not change any files in this directory.\n"),
821
('branch-format', BZR_BRANCH_FORMAT_6),
822
('revision-history', ''),
825
('pending-merges', ''),
826
('inventory', empty_inv),
827
('inventory.weave', empty_weave),
828
('ancestry.weave', empty_weave)
830
cfn = self._rel_controlfilename
831
self._transport.mkdir_multi([cfn(d) for d in dirs])
832
self.put_controlfiles(files)
833
mutter('created control directory in ' + self._transport.base)
835
def _check_format(self, relax_version_check):
194
836
"""Check this branch format is supported.
196
The current tool only supports the current unstable format.
838
The format level is stored, as an integer, in
839
self._branch_format for code that needs to check it later.
198
841
In the future, we might need different in-memory Branch
199
842
classes to support downlevel branches. But not yet.
201
# This ignores newlines so that we can open branches created
202
# on Windows from Linux and so on. I think it might be better
203
# to always make all internal files in unix format.
204
fmt = self.controlfile('branch-format', 'r').read()
205
fmt.replace('\r\n', '')
206
if fmt != BZR_BRANCH_FORMAT:
207
bailout('sorry, branch format %r not supported' % fmt,
208
['use a different bzr version',
209
'or remove the .bzr directory and "bzr init" again'])
212
def read_working_inventory(self):
213
"""Read the working inventory."""
215
# ElementTree does its own conversion from UTF-8, so open in
217
inv = Inventory.read_xml(self.controlfile('inventory', 'rb'))
218
mutter("loaded inventory of %d items in %f"
219
% (len(inv), time.time() - before))
223
def _write_inventory(self, inv):
224
"""Update the working inventory.
226
That is to say, the inventory describing changes underway, that
227
will be committed to the next revision.
229
## TODO: factor out to atomicfile? is rename safe on windows?
230
## TODO: Maybe some kind of clean/dirty marker on inventory?
231
tmpfname = self.controlfilename('inventory.tmp')
232
tmpf = file(tmpfname, 'wb')
235
inv_fname = self.controlfilename('inventory')
236
if sys.platform == 'win32':
238
os.rename(tmpfname, inv_fname)
239
mutter('wrote working inventory')
242
inventory = property(read_working_inventory, _write_inventory, None,
243
"""Inventory for the working copy.""")
246
def add(self, files, verbose=False):
247
"""Make files versioned.
249
Note that the command line normally calls smart_add instead.
251
This puts the files in the Added state, so that they will be
252
recorded by the next commit.
254
TODO: Perhaps have an option to add the ids even if the files do
257
TODO: Perhaps return the ids of the files? But then again it
258
is easy to retrieve them if they're needed.
260
TODO: Option to specify file id.
262
TODO: Adding a directory should optionally recurse down and
263
add all non-ignored children. Perhaps do that in a
266
>>> b = ScratchBranch(files=['foo'])
267
>>> 'foo' in b.unknowns()
272
>>> 'foo' in b.unknowns()
274
>>> bool(b.inventory.path2id('foo'))
280
Traceback (most recent call last):
282
BzrError: ('foo is already versioned', [])
284
>>> b.add(['nothere'])
285
Traceback (most recent call last):
286
BzrError: ('cannot add: not a regular file or directory: nothere', [])
845
fmt = self.controlfile('branch-format', 'r').read()
847
raise NotBranchError(path=self.base)
848
mutter("got branch format %r", fmt)
849
if fmt == BZR_BRANCH_FORMAT_6:
850
self._branch_format = 6
851
elif fmt == BZR_BRANCH_FORMAT_5:
852
self._branch_format = 5
853
elif fmt == BZR_BRANCH_FORMAT_4:
854
self._branch_format = 4
856
if (not relax_version_check
857
and self._branch_format not in (5, 6)):
858
raise errors.UnsupportedFormatError(
859
'sorry, branch format %r not supported' % fmt,
860
['use a different bzr version',
861
'or remove the .bzr directory'
862
' and "bzr init" again'])
864
def get_root_id(self):
865
"""See Branch.get_root_id."""
866
inv = self.get_inventory(self.last_revision())
867
return inv.root.file_id
870
def set_root_id(self, file_id):
871
"""See Branch.set_root_id."""
872
inv = self.working_tree().read_working_inventory()
873
orig_root_id = inv.root.file_id
874
del inv._byid[inv.root.file_id]
875
inv.root.file_id = file_id
876
inv._byid[inv.root.file_id] = inv.root
879
if entry.parent_id in (None, orig_root_id):
880
entry.parent_id = inv.root.file_id
881
self._write_inventory(inv)
884
def add(self, files, ids=None):
885
"""See Branch.add."""
289
886
# TODO: Re-adding a file that is removed in the working copy
290
887
# should probably put it back with the previous ID.
291
if isinstance(files, types.StringTypes):
888
if isinstance(files, basestring):
889
assert(ids is None or isinstance(ids, basestring))
294
inv = self.read_working_inventory()
895
ids = [None] * len(files)
897
assert(len(ids) == len(files))
899
inv = self.working_tree().read_working_inventory()
900
for f,file_id in zip(files, ids):
296
901
if is_control_file(f):
297
bailout("cannot add control file %s" % quotefn(f))
902
raise BzrError("cannot add control file %s" % quotefn(f))
299
904
fp = splitpath(f)
302
bailout("cannot add top-level %r" % f)
907
raise BzrError("cannot add top-level %r" % f)
304
909
fullpath = os.path.normpath(self.abspath(f))
307
912
kind = file_kind(fullpath)
309
914
# maybe something better?
310
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
312
if kind != 'file' and kind != 'directory':
313
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
315
file_id = gen_file_id(f)
915
raise BzrError('cannot add: not a regular file, symlink or directory: %s' % quotefn(f))
917
if not InventoryEntry.versionable_kind(kind):
918
raise BzrError('cannot add: not a versionable file ('
919
'i.e. regular file, symlink or directory): %s' % quotefn(f))
922
file_id = gen_file_id(f)
316
923
inv.add_path(f, kind=kind, file_id=file_id)
319
show_status('A', kind, quotefn(f))
321
925
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
323
self._write_inventory(inv)
927
self.working_tree()._write_inventory(inv)
326
930
def print_file(self, file, revno):
327
"""Print `file` to stdout."""
328
tree = self.revision_tree(self.lookup_revision(revno))
931
"""See Branch.print_file."""
932
tree = self.revision_tree(self.get_rev_id(revno))
329
933
# use inventory as it was in that revision
330
934
file_id = tree.inventory.path2id(file)
332
bailout("%r is not present in revision %d" % (file, revno))
936
raise BzrError("%r is not present in revision %s" % (file, revno))
333
937
tree.print_file(file_id)
336
def remove(self, files, verbose=False):
337
"""Mark nominated files for removal from the inventory.
339
This does not remove their text. This does not run on
341
TODO: Refuse to remove modified files unless --force is given?
343
>>> b = ScratchBranch(files=['foo'])
345
>>> b.inventory.has_filename('foo')
348
>>> b.working_tree().has_filename('foo')
350
>>> b.inventory.has_filename('foo')
353
>>> b = ScratchBranch(files=['foo'])
358
>>> b.inventory.has_filename('foo')
360
>>> b.basis_tree().has_filename('foo')
362
>>> b.working_tree().has_filename('foo')
365
TODO: Do something useful with directories.
367
TODO: Should this remove the text or not? Tough call; not
368
removing may be useful and the user can just use use rm, and
369
is the opposite of add. Removing it is consistent with most
370
other tools. Maybe an option.
372
## TODO: Normalize names
373
## TODO: Remove nested loops; better scalability
375
if isinstance(files, types.StringTypes):
378
tree = self.working_tree()
381
# do this before any modifications
385
bailout("cannot remove unversioned file %s" % quotefn(f))
386
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
388
# having remove it, it must be either ignored or unknown
389
if tree.is_ignored(f):
393
show_status(new_status, inv[fid].kind, quotefn(f))
396
self._write_inventory(inv)
399
939
def unknowns(self):
400
"""Return all unknown files.
402
These are files in the working directory that are not versioned or
403
control files or ignored.
405
>>> b = ScratchBranch(files=['foo', 'foo~'])
406
>>> list(b.unknowns())
409
>>> list(b.unknowns())
412
>>> list(b.unknowns())
940
"""See Branch.unknowns."""
415
941
return self.working_tree().unknowns()
418
def commit(self, message, timestamp=None, timezone=None,
421
"""Commit working copy as a new revision.
423
The basic approach is to add all the file texts into the
424
store, then the inventory, then make a new revision pointing
425
to that inventory and store that.
427
This is not quite safe if the working copy changes during the
428
commit; for the moment that is simply not allowed. A better
429
approach is to make a temporary copy of the files before
430
computing their hashes, and then add those hashes in turn to
431
the inventory. This should mean at least that there are no
432
broken hash pointers. There is no way we can get a snapshot
433
of the whole directory at an instant. This would also have to
434
be robust against files disappearing, moving, etc. So the
435
whole thing is a bit hard.
437
timestamp -- if not None, seconds-since-epoch for a
438
postdated/predated commit.
441
## TODO: Show branch names
443
# TODO: Don't commit if there are no changes, unless forced?
445
# First walk over the working inventory; and both update that
446
# and also build a new revision inventory. The revision
447
# inventory needs to hold the text-id, sha1 and size of the
448
# actual file versions committed in the revision. (These are
449
# not present in the working inventory.) We also need to
450
# detect missing/deleted files, and remove them from the
453
work_inv = self.read_working_inventory()
455
basis = self.basis_tree()
456
basis_inv = basis.inventory
458
for path, entry in work_inv.iter_entries():
459
## TODO: Cope with files that have gone missing.
461
## TODO: Check that the file kind has not changed from the previous
462
## revision of this file (if any).
466
p = self.abspath(path)
467
file_id = entry.file_id
468
mutter('commit prep file %s, id %r ' % (p, file_id))
470
if not os.path.exists(p):
471
mutter(" file is missing, removing from inventory")
473
show_status('D', entry.kind, quotefn(path))
474
missing_ids.append(file_id)
477
# TODO: Handle files that have been deleted
479
# TODO: Maybe a special case for empty files? Seems a
480
# waste to store them many times.
484
if basis_inv.has_id(file_id):
485
old_kind = basis_inv[file_id].kind
486
if old_kind != entry.kind:
487
bailout("entry %r changed kind from %r to %r"
488
% (file_id, old_kind, entry.kind))
490
if entry.kind == 'directory':
492
bailout("%s is entered as directory but not a directory" % quotefn(p))
493
elif entry.kind == 'file':
495
bailout("%s is entered as file but is not a file" % quotefn(p))
497
content = file(p, 'rb').read()
499
entry.text_sha1 = sha_string(content)
500
entry.text_size = len(content)
502
old_ie = basis_inv.has_id(file_id) and basis_inv[file_id]
504
and (old_ie.text_size == entry.text_size)
505
and (old_ie.text_sha1 == entry.text_sha1)):
506
## assert content == basis.get_file(file_id).read()
507
entry.text_id = basis_inv[file_id].text_id
508
mutter(' unchanged from previous text_id {%s}' %
512
entry.text_id = gen_file_id(entry.name)
513
self.text_store.add(content, entry.text_id)
514
mutter(' stored with text_id {%s}' % entry.text_id)
518
elif (old_ie.name == entry.name
519
and old_ie.parent_id == entry.parent_id):
524
show_status(state, entry.kind, quotefn(path))
526
for file_id in missing_ids:
527
# have to do this later so we don't mess up the iterator.
528
# since parents may be removed before their children we
531
# FIXME: There's probably a better way to do this; perhaps
532
# the workingtree should know how to filter itself.
533
if work_inv.has_id(file_id):
534
del work_inv[file_id]
537
inv_id = rev_id = _gen_revision_id(time.time())
539
inv_tmp = tempfile.TemporaryFile()
540
inv.write_xml(inv_tmp)
542
self.inventory_store.add(inv_tmp, inv_id)
543
mutter('new inventory_id is {%s}' % inv_id)
545
self._write_inventory(work_inv)
547
if timestamp == None:
548
timestamp = time.time()
550
if committer == None:
551
committer = username()
554
timezone = local_time_offset()
556
mutter("building commit log message")
557
rev = Revision(timestamp=timestamp,
560
precursor = self.last_patch(),
565
rev_tmp = tempfile.TemporaryFile()
566
rev.write_xml(rev_tmp)
568
self.revision_store.add(rev_tmp, rev_id)
569
mutter("new revision_id is {%s}" % rev_id)
571
## XXX: Everything up to here can simply be orphaned if we abort
572
## the commit; it will leave junk files behind but that doesn't
575
## TODO: Read back the just-generated changeset, and make sure it
576
## applies and recreates the right state.
578
## TODO: Also calculate and store the inventory SHA1
579
mutter("committing patch r%d" % (self.revno() + 1))
582
self.append_revision(rev_id)
585
note("commited r%d" % self.revno())
588
def append_revision(self, revision_id):
589
mutter("add {%s} to revision-history" % revision_id)
944
def append_revision(self, *revision_ids):
945
"""See Branch.append_revision."""
946
for revision_id in revision_ids:
947
mutter("add {%s} to revision-history" % revision_id)
590
948
rev_history = self.revision_history()
592
tmprhname = self.controlfilename('revision-history.tmp')
593
rhname = self.controlfilename('revision-history')
595
f = file(tmprhname, 'wt')
596
rev_history.append(revision_id)
597
f.write('\n'.join(rev_history))
601
if sys.platform == 'win32':
603
os.rename(tmprhname, rhname)
949
rev_history.extend(revision_ids)
950
self.set_revision_history(rev_history)
953
def set_revision_history(self, rev_history):
954
"""See Branch.set_revision_history."""
955
self.put_controlfile('revision-history', '\n'.join(rev_history))
957
def has_revision(self, revision_id):
958
"""See Branch.has_revision."""
959
return (revision_id is None
960
or self.revision_store.has_id(revision_id))
963
def _get_revision_xml_file(self, revision_id):
964
if not revision_id or not isinstance(revision_id, basestring):
965
raise InvalidRevisionId(revision_id=revision_id, branch=self)
967
return self.revision_store.get(revision_id)
968
except (IndexError, KeyError):
969
raise bzrlib.errors.NoSuchRevision(self, revision_id)
971
def get_revision_xml(self, revision_id):
972
"""See Branch.get_revision_xml."""
973
return self._get_revision_xml_file(revision_id).read()
607
975
def get_revision(self, revision_id):
608
"""Return the Revision object for a named revision"""
609
r = Revision.read_xml(self.revision_store[revision_id])
976
"""See Branch.get_revision."""
977
xml_file = self._get_revision_xml_file(revision_id)
980
r = bzrlib.xml5.serializer_v5.read_revision(xml_file)
981
except SyntaxError, e:
982
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
610
986
assert r.revision_id == revision_id
614
def get_inventory(self, inventory_id):
615
"""Get Inventory object by hash.
617
TODO: Perhaps for this and similar methods, take a revision
618
parameter which can be either an integer revno or a
620
i = Inventory.read_xml(self.inventory_store[inventory_id])
624
def get_revision_inventory(self, revision_id):
625
"""Return inventory of a past revision."""
626
if revision_id == None:
629
return self.get_inventory(self.get_revision(revision_id).inventory_id)
632
def revision_history(self):
633
"""Return sequence of revision hashes on to this branch.
635
>>> ScratchBranch().revision_history()
638
return [l.rstrip('\r\n') for l in self.controlfile('revision-history', 'r').readlines()]
642
"""Return current revision number for this branch.
644
That is equivalent to the number of revisions committed to
647
>>> b = ScratchBranch()
650
>>> b.commit('no foo')
654
return len(self.revision_history())
657
def last_patch(self):
658
"""Return last patch hash, or None if no history.
660
>>> ScratchBranch().last_patch() == None
663
ph = self.revision_history()
670
def lookup_revision(self, revno):
671
"""Return revision hash for revision number."""
989
def get_revision_sha1(self, revision_id):
990
"""See Branch.get_revision_sha1."""
991
# In the future, revision entries will be signed. At that
992
# point, it is probably best *not* to include the signature
993
# in the revision hash. Because that lets you re-sign
994
# the revision, (add signatures/remove signatures) and still
995
# have all hash pointers stay consistent.
996
# But for now, just hash the contents.
997
return bzrlib.osutils.sha_file(self.get_revision_xml_file(revision_id))
999
def get_ancestry(self, revision_id):
1000
"""See Branch.get_ancestry."""
1001
if revision_id is None:
1003
w = self._get_inventory_weave()
1004
return [None] + map(w.idx_to_name,
1005
w.inclusions([w.lookup(revision_id)]))
1007
def _get_inventory_weave(self):
1008
return self.control_weaves.get_weave('inventory',
1009
self.get_transaction())
1011
def get_inventory(self, revision_id):
1012
"""See Branch.get_inventory."""
1013
xml = self.get_inventory_xml(revision_id)
1014
return bzrlib.xml5.serializer_v5.read_inventory_from_string(xml)
1016
def get_inventory_xml(self, revision_id):
1017
"""See Branch.get_inventory_xml."""
676
# list is 0-based; revisions are 1-based
677
return self.revision_history()[revno-1]
1019
assert isinstance(revision_id, basestring), type(revision_id)
1020
iw = self._get_inventory_weave()
1021
return iw.get_text(iw.lookup(revision_id))
678
1022
except IndexError:
679
raise BzrError("no such revision %s" % revno)
1023
raise bzrlib.errors.HistoryMissing(self, 'inventory', revision_id)
1025
def get_inventory_sha1(self, revision_id):
1026
"""See Branch.get_inventory_sha1."""
1027
return self.get_revision(revision_id).inventory_sha1
1029
def get_revision_inventory(self, revision_id):
1030
"""See Branch.get_revision_inventory."""
1031
# TODO: Unify this with get_inventory()
1032
# bzr 0.0.6 and later imposes the constraint that the inventory_id
1033
# must be the same as its revision, so this is trivial.
1034
if revision_id == None:
1035
# This does not make sense: if there is no revision,
1036
# then it is the current tree inventory surely ?!
1037
# and thus get_root_id() is something that looks at the last
1038
# commit on the branch, and the get_root_id is an inventory check.
1039
raise NotImplementedError
1040
# return Inventory(self.get_root_id())
1042
return self.get_inventory(revision_id)
1045
def revision_history(self):
1046
"""See Branch.revision_history."""
1047
transaction = self.get_transaction()
1048
history = transaction.map.find_revision_history()
1049
if history is not None:
1050
mutter("cache hit for revision-history in %s", self)
1051
return list(history)
1052
history = [l.rstrip('\r\n') for l in
1053
self.controlfile('revision-history', 'r').readlines()]
1054
transaction.map.add_revision_history(history)
1055
# this call is disabled because revision_history is
1056
# not really an object yet, and the transaction is for objects.
1057
# transaction.register_clean(history, precious=True)
1058
return list(history)
1060
def update_revisions(self, other, stop_revision=None):
1061
"""See Branch.update_revisions."""
1062
from bzrlib.fetch import greedy_fetch
1063
if stop_revision is None:
1064
stop_revision = other.last_revision()
1065
### Should this be checking is_ancestor instead of revision_history?
1066
if (stop_revision is not None and
1067
stop_revision in self.revision_history()):
1069
greedy_fetch(to_branch=self, from_branch=other,
1070
revision=stop_revision)
1071
pullable_revs = self.pullable_revisions(other, stop_revision)
1072
if len(pullable_revs) > 0:
1073
self.append_revision(*pullable_revs)
1075
def pullable_revisions(self, other, stop_revision):
1076
"""See Branch.pullable_revisions."""
1077
other_revno = other.revision_id_to_revno(stop_revision)
1079
return self.missing_revisions(other, other_revno)
1080
except DivergedBranches, e:
1082
pullable_revs = get_intervening_revisions(self.last_revision(),
1083
stop_revision, self)
1084
assert self.last_revision() not in pullable_revs
1085
return pullable_revs
1086
except bzrlib.errors.NotAncestor:
1087
if is_ancestor(self.last_revision(), stop_revision, self):
682
1092
def revision_tree(self, revision_id):
683
"""Return Tree for a revision on this branch.
685
`revision_id` may be None for the null revision, in which case
686
an `EmptyTree` is returned."""
688
if revision_id == None:
1093
"""See Branch.revision_tree."""
1094
# TODO: refactor this to use an existing revision object
1095
# so we don't need to read it in twice.
1096
if revision_id == None or revision_id == NULL_REVISION:
689
1097
return EmptyTree()
691
1099
inv = self.get_revision_inventory(revision_id)
692
return RevisionTree(self.text_store, inv)
1100
return RevisionTree(self.weave_store, inv, revision_id)
695
1102
def working_tree(self):
696
"""Return a `Tree` for the working copy."""
697
return WorkingTree(self.base, self.read_working_inventory())
700
def basis_tree(self):
701
"""Return `Tree` object for last revision.
703
If there are no revisions yet, return an `EmptyTree`.
705
>>> b = ScratchBranch(files=['foo'])
706
>>> b.basis_tree().has_filename('foo')
708
>>> b.working_tree().has_filename('foo')
711
>>> b.commit('add foo')
712
>>> b.basis_tree().has_filename('foo')
715
r = self.last_patch()
719
return RevisionTree(self.text_store, self.get_revision_inventory(r))
723
def write_log(self, show_timezone='original', verbose=False):
724
"""Write out human-readable log of commits to this branch
726
utc -- If true, show dates in universal time, not local time."""
727
## TODO: Option to choose either original, utc or local timezone
730
for p in self.revision_history():
732
print 'revno:', revno
733
## TODO: Show hash if --id is given.
734
##print 'revision-hash:', p
735
rev = self.get_revision(p)
736
print 'committer:', rev.committer
737
print 'timestamp: %s' % (format_date(rev.timestamp, rev.timezone or 0,
740
## opportunistic consistency check, same as check_patch_chaining
741
if rev.precursor != precursor:
742
bailout("mismatched precursor!")
746
print ' (no message)'
748
for l in rev.message.split('\n'):
751
if verbose == True and precursor != None:
752
print 'changed files:'
753
tree = self.revision_tree(p)
754
prevtree = self.revision_tree(precursor)
756
for file_state, fid, old_name, new_name, kind in \
757
diff_trees(prevtree, tree, ):
758
if file_state == 'A' or file_state == 'M':
759
show_status(file_state, kind, new_name)
760
elif file_state == 'D':
761
show_status(file_state, kind, old_name)
762
elif file_state == 'R':
763
show_status(file_state, kind,
764
old_name + ' => ' + new_name)
1103
"""See Branch.working_tree."""
1104
from bzrlib.workingtree import WorkingTree
1105
# TODO: In the future, perhaps WorkingTree should utilize Transport
1106
# RobertCollins 20051003 - I don't think it should - working trees are
1107
# much more complex to keep consistent than our careful .bzr subset.
1108
# instead, we should say that working trees are local only, and optimise
1110
if self._transport.base.find('://') != -1:
1111
raise NoWorkingTree(self.base)
1112
return WorkingTree(self.base, branch=self)
1115
def pull(self, source, overwrite=False):
1116
"""See Branch.pull."""
1120
self.update_revisions(source)
1121
except DivergedBranches:
1124
self.set_revision_history(source.revision_history())
770
1129
def rename_one(self, from_rel, to_rel):
773
This can change the directory or the filename or both.
1130
"""See Branch.rename_one."""
775
1131
tree = self.working_tree()
776
1132
inv = tree.inventory
777
1133
if not tree.has_filename(from_rel):
778
bailout("can't rename: old working file %r does not exist" % from_rel)
1134
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
779
1135
if tree.has_filename(to_rel):
780
bailout("can't rename: new working file %r already exists" % to_rel)
1136
raise BzrError("can't rename: new working file %r already exists" % to_rel)
782
1138
file_id = inv.path2id(from_rel)
783
1139
if file_id == None:
784
bailout("can't rename: old name %r is not versioned" % from_rel)
1140
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
786
1142
if inv.path2id(to_rel):
787
bailout("can't rename: new name %r is already versioned" % to_rel)
1143
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
789
1145
to_dir, to_tail = os.path.split(to_rel)
790
1146
to_dir_id = inv.path2id(to_dir)
791
1147
if to_dir_id == None and to_dir != '':
792
bailout("can't determine destination directory id for %r" % to_dir)
1148
raise BzrError("can't determine destination directory id for %r" % to_dir)
794
1150
mutter("rename_one:")
795
1151
mutter(" file_id {%s}" % file_id)