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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 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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sha_file, appendpath, file_kind
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from bzrlib.errors import BzrError, InvalidRevisionNumber, InvalidRevisionId
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from bzrlib.osutils import (isdir, quotefn,
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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
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from bzrlib.xml import unpack_xml
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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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BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\n"
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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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# 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.
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def find_branch(f, **args):
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if f and (f.startswith('http://') or f.startswith('https://')):
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return remotebranch.RemoteBranch(f, **args)
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return Branch(f, **args)
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def find_cached_branch(f, cache_root, **args):
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from remotebranch import RemoteBranch
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br = find_branch(f, **args)
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def cacheify(br, store_name):
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from meta_store import CachedStore
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cache_path = os.path.join(cache_root, store_name)
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new_store = CachedStore(getattr(br, store_name), cache_path)
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setattr(br, store_name, new_store)
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if isinstance(br, RemoteBranch):
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cacheify(br, 'inventory_store')
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cacheify(br, 'text_store')
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cacheify(br, 'revision_store')
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def _relpath(base, path):
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"""Return path relative to base, or raise exception.
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The path may be either an absolute path or a path relative to the
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current working directory.
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Lifted out of Branch.relpath for ease of testing.
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os.path.commonprefix (python2.4) has a bad bug that it works just
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on string prefixes, assuming that '/u' is a prefix of '/u2'. This
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avoids that problem."""
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rp = os.path.abspath(path)
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while len(head) >= len(base):
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head, tail = os.path.split(head)
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from errors import NotBranchError
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raise NotBranchError("path %r is not within branch %r" % (rp, base))
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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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f may be a filename or a URL.
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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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run into the root."""
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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 not os.path.exists(f):
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raise BzrError('%r does not exist' % 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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class DivergedBranches(Exception):
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def __init__(self, branch1, branch2):
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self.branch1 = branch1
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self.branch2 = branch2
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Exception.__init__(self, "These branches have diverged.")
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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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Base directory of the branch.
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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.
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Base directory/url of the branch.
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# Map some sort of prefix into a namespace
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# stuff like "revno:10", "revid:", etc.
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# This should match a prefix with a function which accepts
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REVISION_NAMESPACES = {}
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def __init__(self, base, init=False, find_root=True):
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"""Create new branch object at a particular location.
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base -- Base directory for the branch.
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init -- If True, create new control files in a previously
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unversioned directory. If False, the branch must already
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find_root -- If true and init is false, find the root of the
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existing branch containing base.
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In the test suite, creation of new trees is tested using the
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`ScratchBranch` class.
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from bzrlib.store import ImmutableStore
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self.base = os.path.realpath(base)
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self.base = find_branch_root(base)
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self.base = os.path.realpath(base)
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if not isdir(self.controlfilename('.')):
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from errors import NotBranchError
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raise NotBranchError("not a bzr branch: %s" % quotefn(base),
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['use "bzr init" to initialize a new working tree',
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'current bzr can only operate from top-of-tree'])
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self.text_store = ImmutableStore(self.controlfilename('text-store'))
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self.revision_store = ImmutableStore(self.controlfilename('revision-store'))
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self.inventory_store = ImmutableStore(self.controlfilename('inventory-store'))
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return '%s(%r)' % (self.__class__.__name__, self.base)
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if self._lock_mode or self._lock:
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from warnings import warn
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warn("branch %r was not explicitly unlocked" % self)
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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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if self._lock_mode != 'w':
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from errors import LockError
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raise LockError("can't upgrade to a write lock from %r" %
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self._lock_count += 1
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from bzrlib.lock import WriteLock
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self._lock = WriteLock(self.controlfilename('branch-lock'))
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self._lock_mode = 'w'
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raise NotImplementedError('lock_write is abstract')
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def lock_read(self):
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assert self._lock_mode in ('r', 'w'), \
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"invalid lock mode %r" % self._lock_mode
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self._lock_count += 1
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from bzrlib.lock import ReadLock
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self._lock = ReadLock(self.controlfilename('branch-lock'))
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self._lock_mode = 'r'
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raise NotImplementedError('lock_read is abstract')
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def unlock(self):
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if not self._lock_mode:
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from errors import LockError
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raise LockError('branch %r is not locked' % (self))
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if self._lock_count > 1:
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self._lock_count -= 1
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self._lock_mode = self._lock_count = None
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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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return os.path.join(self.base, name)
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def relpath(self, path):
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"""Return path relative to this branch of something inside it.
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Raises an error if path is not in this branch."""
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return _relpath(self.base, path)
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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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if isinstance(file_or_path, basestring):
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file_or_path = [file_or_path]
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return os.path.join(self.base, bzrlib.BZRDIR, *file_or_path)
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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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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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fn = self.controlfilename(file_or_path)
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if mode == 'rb' or mode == 'wb':
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return file(fn, mode)
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elif mode == 'r' or mode == 'w':
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# open in binary mode anyhow so there's no newline translation;
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# codecs uses line buffering by default; don't want that.
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return codecs.open(fn, mode + 'b', 'utf-8',
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raise BzrError("invalid controlfile mode %r" % mode)
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def _make_control(self):
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from bzrlib.inventory import Inventory
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from bzrlib.xml import pack_xml
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os.mkdir(self.controlfilename([]))
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self.controlfile('README', 'w').write(
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"This is a Bazaar-NG control directory.\n"
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"Do not change any files in this directory.\n")
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self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT)
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for d in ('text-store', 'inventory-store', 'revision-store'):
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os.mkdir(self.controlfilename(d))
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for f in ('revision-history', 'merged-patches',
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'pending-merged-patches', 'branch-name',
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self.controlfile(f, 'w').write('')
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mutter('created control directory in ' + self.base)
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pack_xml(Inventory(gen_root_id()), self.controlfile('inventory','w'))
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def _check_format(self):
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"""Check this branch format is supported.
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The current tool only supports the current unstable format.
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In the future, we might need different in-memory Branch
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classes to support downlevel branches. But not yet.
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# This ignores newlines so that we can open branches created
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# on Windows from Linux and so on. I think it might be better
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# to always make all internal files in unix format.
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fmt = self.controlfile('branch-format', 'r').read()
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fmt.replace('\r\n', '')
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if fmt != BZR_BRANCH_FORMAT:
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raise BzrError('sorry, branch format %r not supported' % fmt,
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['use a different bzr version',
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'or remove the .bzr directory and "bzr init" again'])
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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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inv = self.read_working_inventory()
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return inv.root.file_id
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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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inv = self.read_working_inventory()
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orig_root_id = inv.root.file_id
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del inv._byid[inv.root.file_id]
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inv.root.file_id = file_id
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inv._byid[inv.root.file_id] = inv.root
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if entry.parent_id in (None, orig_root_id):
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entry.parent_id = inv.root.file_id
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self._write_inventory(inv)
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def read_working_inventory(self):
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"""Read the working inventory."""
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from bzrlib.inventory import Inventory
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from bzrlib.xml import unpack_xml
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from time import time
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# ElementTree does its own conversion from UTF-8, so open in
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inv = unpack_xml(Inventory,
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self.controlfile('inventory', 'rb'))
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mutter("loaded inventory of %d items in %f"
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% (len(inv), time() - before))
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def _write_inventory(self, inv):
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"""Update the working inventory.
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That is to say, the inventory describing changes underway, that
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will be committed to the next revision.
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from bzrlib.atomicfile import AtomicFile
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from bzrlib.xml import pack_xml
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f = AtomicFile(self.controlfilename('inventory'), 'wb')
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mutter('wrote working inventory')
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inventory = property(read_working_inventory, _write_inventory, None,
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"""Inventory for the working copy.""")
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def add(self, files, verbose=False, 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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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 return the ids of the files? But then again it
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is easy to retrieve them if they're needed.
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TODO: Adding a directory should optionally recurse down and
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add all non-ignored children. Perhaps do that in a
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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 is_control_file(f):
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raise BzrError("cannot add control file %s" % quotefn(f))
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raise BzrError("cannot add top-level %r" % f)
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fullpath = os.path.normpath(self.abspath(f))
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kind = file_kind(fullpath)
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# maybe something better?
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raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
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if kind != 'file' and kind != 'directory':
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raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
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file_id = gen_file_id(f)
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inv.add_path(f, kind=kind, file_id=file_id)
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print 'added', quotefn(f)
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mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
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self._write_inventory(inv)
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def print_file(self, file, revno):
237
raise NotImplementedError('set_root_id is abstract')
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def print_file(self, file, revision_id):
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"""Print `file` to stdout."""
483
tree = self.revision_tree(self.lookup_revision(revno))
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# use inventory as it was in that revision
485
file_id = tree.inventory.path2id(file)
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raise BzrError("%r is not present in revision %s" % (file, revno))
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tree.print_file(file_id)
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def remove(self, files, verbose=False):
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"""Mark nominated files for removal from the inventory.
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This does not remove their text. This does not run on
498
TODO: Refuse to remove modified files unless --force is given?
500
TODO: Do something useful with directories.
502
TODO: Should this remove the text or not? Tough call; not
503
removing may be useful and the user can just use use rm, and
504
is the opposite of add. Removing it is consistent with most
505
other tools. Maybe an option.
507
## TODO: Normalize names
508
## TODO: Remove nested loops; better scalability
509
if isinstance(files, basestring):
515
tree = self.working_tree()
518
# do this before any modifications
522
raise BzrError("cannot remove unversioned file %s" % quotefn(f))
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mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
525
# having remove it, it must be either ignored or unknown
526
if tree.is_ignored(f):
530
show_status(new_status, inv[fid].kind, quotefn(f))
533
self._write_inventory(inv)
538
# FIXME: this doesn't need to be a branch method
539
def set_inventory(self, new_inventory_list):
540
from bzrlib.inventory import Inventory, InventoryEntry
541
inv = Inventory(self.get_root_id())
542
for path, file_id, parent, kind in new_inventory_list:
543
name = os.path.basename(path)
546
inv.add(InventoryEntry(file_id, name, kind, parent))
547
self._write_inventory(inv)
551
"""Return all unknown files.
553
These are files in the working directory that are not versioned or
554
control files or ignored.
556
>>> b = ScratchBranch(files=['foo', 'foo~'])
557
>>> list(b.unknowns())
560
>>> list(b.unknowns())
563
>>> list(b.unknowns())
566
return self.working_tree().unknowns()
241
raise NotImplementedError('print_file is abstract')
569
243
def append_revision(self, *revision_ids):
570
from bzrlib.atomicfile import AtomicFile
572
for revision_id in revision_ids:
573
mutter("add {%s} to revision-history" % revision_id)
575
rev_history = self.revision_history()
576
rev_history.extend(revision_ids)
578
f = AtomicFile(self.controlfilename('revision-history'))
580
for rev_id in rev_history:
244
raise NotImplementedError('append_revision is abstract')
246
def set_revision_history(self, rev_history):
247
raise NotImplementedError('set_revision_history is abstract')
249
def has_revision(self, revision_id):
250
"""True if this branch has a copy of the revision.
252
This does not necessarily imply the revision is merge
253
or on the mainline."""
254
raise NotImplementedError('has_revision is abstract')
587
256
def get_revision_xml(self, revision_id):
588
"""Return XML file object for revision object."""
589
if not revision_id or not isinstance(revision_id, basestring):
590
raise InvalidRevisionId(revision_id)
595
return self.revision_store[revision_id]
597
raise bzrlib.errors.NoSuchRevision(revision_id)
257
raise NotImplementedError('get_revision_xml is abstract')
602
259
def get_revision(self, revision_id):
603
260
"""Return the Revision object for a named revision"""
604
xml_file = self.get_revision_xml(revision_id)
607
r = unpack_xml(Revision, xml_file)
608
except SyntaxError, e:
609
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
613
assert r.revision_id == revision_id
261
raise NotImplementedError('get_revision is abstract')
617
263
def get_revision_delta(self, revno):
618
264
"""Return the delta for one revision.
794
369
if stop_revision is None:
795
370
stop_revision = other_len
796
elif stop_revision > other_len:
797
raise NoSuchRevision(self, stop_revision)
372
assert isinstance(stop_revision, int)
373
if stop_revision > other_len:
374
raise bzrlib.errors.NoSuchRevision(self, stop_revision)
799
375
return other_history[self_len:stop_revision]
802
377
def update_revisions(self, other, stop_revision=None):
803
"""Pull in all new revisions from other branch.
805
>>> from bzrlib.commit import commit
806
>>> bzrlib.trace.silent = True
807
>>> br1 = ScratchBranch(files=['foo', 'bar'])
810
>>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
811
>>> br2 = ScratchBranch()
812
>>> br2.update_revisions(br1)
816
>>> br2.revision_history()
818
>>> br2.update_revisions(br1)
822
>>> br1.text_store.total_size() == br2.text_store.total_size()
825
from bzrlib.progress import ProgressBar
829
pb.update('comparing histories')
830
revision_ids = self.missing_revisions(other, stop_revision)
832
if hasattr(other.revision_store, "prefetch"):
833
other.revision_store.prefetch(revision_ids)
834
if hasattr(other.inventory_store, "prefetch"):
835
inventory_ids = [other.get_revision(r).inventory_id
836
for r in revision_ids]
837
other.inventory_store.prefetch(inventory_ids)
842
for rev_id in revision_ids:
844
pb.update('fetching revision', i, len(revision_ids))
845
rev = other.get_revision(rev_id)
846
revisions.append(rev)
847
inv = other.get_inventory(str(rev.inventory_id))
848
for key, entry in inv.iter_entries():
849
if entry.text_id is None:
851
if entry.text_id not in self.text_store:
852
needed_texts.add(entry.text_id)
856
count = self.text_store.copy_multi(other.text_store, needed_texts)
857
print "Added %d texts." % count
858
inventory_ids = [ f.inventory_id for f in revisions ]
859
count = self.inventory_store.copy_multi(other.inventory_store,
861
print "Added %d inventories." % count
862
revision_ids = [ f.revision_id for f in revisions]
863
count = self.revision_store.copy_multi(other.revision_store,
865
for revision_id in revision_ids:
866
self.append_revision(revision_id)
867
print "Added %d revisions." % count
870
def commit(self, *args, **kw):
871
from bzrlib.commit import commit
872
commit(self, *args, **kw)
875
def lookup_revision(self, revision):
876
"""Return the revision identifier for a given revision information."""
877
revno, info = self.get_revision_info(revision)
880
def get_revision_info(self, revision):
881
"""Return (revno, revision id) for revision identifier.
883
revision can be an integer, in which case it is assumed to be revno (though
884
this will translate negative values into positive ones)
885
revision can also be a string, in which case it is parsed for something like
886
'date:' or 'revid:' etc.
891
try:# Convert to int if possible
892
revision = int(revision)
895
revs = self.revision_history()
896
if isinstance(revision, int):
899
# Mabye we should do this first, but we don't need it if revision == 0
901
revno = len(revs) + revision + 1
904
elif isinstance(revision, basestring):
905
for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
906
if revision.startswith(prefix):
907
revno = func(self, revs, revision)
910
raise BzrError('No namespace registered for string: %r' % revision)
912
if revno is None or revno <= 0 or revno > len(revs):
913
raise BzrError("no such revision %s" % revision)
914
return revno, revs[revno-1]
916
def _namespace_revno(self, revs, revision):
917
"""Lookup a revision by revision number"""
918
assert revision.startswith('revno:')
920
return int(revision[6:])
923
REVISION_NAMESPACES['revno:'] = _namespace_revno
925
def _namespace_revid(self, revs, revision):
926
assert revision.startswith('revid:')
928
return revs.index(revision[6:]) + 1
931
REVISION_NAMESPACES['revid:'] = _namespace_revid
933
def _namespace_last(self, revs, revision):
934
assert revision.startswith('last:')
936
offset = int(revision[5:])
941
raise BzrError('You must supply a positive value for --revision last:XXX')
942
return len(revs) - offset + 1
943
REVISION_NAMESPACES['last:'] = _namespace_last
945
def _namespace_tag(self, revs, revision):
946
assert revision.startswith('tag:')
947
raise BzrError('tag: namespace registered, but not implemented.')
948
REVISION_NAMESPACES['tag:'] = _namespace_tag
950
def _namespace_date(self, revs, revision):
951
assert revision.startswith('date:')
953
# Spec for date revisions:
955
# value can be 'yesterday', 'today', 'tomorrow' or a YYYY-MM-DD string.
956
# it can also start with a '+/-/='. '+' says match the first
957
# entry after the given date. '-' is match the first entry before the date
958
# '=' is match the first entry after, but still on the given date.
960
# +2005-05-12 says find the first matching entry after May 12th, 2005 at 0:00
961
# -2005-05-12 says find the first matching entry before May 12th, 2005 at 0:00
962
# =2005-05-12 says find the first match after May 12th, 2005 at 0:00 but before
963
# May 13th, 2005 at 0:00
965
# So the proper way of saying 'give me all entries for today' is:
966
# -r {date:+today}:{date:-tomorrow}
967
# The default is '=' when not supplied
970
if val[:1] in ('+', '-', '='):
971
match_style = val[:1]
974
today = datetime.datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
975
if val.lower() == 'yesterday':
976
dt = today - datetime.timedelta(days=1)
977
elif val.lower() == 'today':
979
elif val.lower() == 'tomorrow':
980
dt = today + datetime.timedelta(days=1)
983
# This should be done outside the function to avoid recompiling it.
984
_date_re = re.compile(
985
r'(?P<date>(?P<year>\d\d\d\d)-(?P<month>\d\d)-(?P<day>\d\d))?'
987
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
989
m = _date_re.match(val)
990
if not m or (not m.group('date') and not m.group('time')):
991
raise BzrError('Invalid revision date %r' % revision)
994
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
996
year, month, day = today.year, today.month, today.day
998
hour = int(m.group('hour'))
999
minute = int(m.group('minute'))
1000
if m.group('second'):
1001
second = int(m.group('second'))
1005
hour, minute, second = 0,0,0
1007
dt = datetime.datetime(year=year, month=month, day=day,
1008
hour=hour, minute=minute, second=second)
1012
if match_style == '-':
1014
elif match_style == '=':
1015
last = dt + datetime.timedelta(days=1)
1018
for i in range(len(revs)-1, -1, -1):
1019
r = self.get_revision(revs[i])
1020
# TODO: Handle timezone.
1021
dt = datetime.datetime.fromtimestamp(r.timestamp)
1022
if first >= dt and (last is None or dt >= last):
1025
for i in range(len(revs)):
1026
r = self.get_revision(revs[i])
1027
# TODO: Handle timezone.
1028
dt = datetime.datetime.fromtimestamp(r.timestamp)
1029
if first <= dt and (last is None or dt <= last):
1031
REVISION_NAMESPACES['date:'] = _namespace_date
378
"""Pull in new perfect-fit revisions."""
379
raise NotImplementedError('update_revisions is abstract')
381
def pullable_revisions(self, other, stop_revision):
382
raise NotImplementedError('pullable_revisions is abstract')
384
def revision_id_to_revno(self, revision_id):
385
"""Given a revision id, return its revno"""
386
if revision_id is None:
388
history = self.revision_history()
390
return history.index(revision_id) + 1
392
raise bzrlib.errors.NoSuchRevision(self, revision_id)
394
def get_rev_id(self, revno, history=None):
395
"""Find the revision id of the specified revno."""
399
history = self.revision_history()
400
elif revno <= 0 or revno > len(history):
401
raise bzrlib.errors.NoSuchRevision(self, revno)
402
return history[revno - 1]
1033
404
def revision_tree(self, revision_id):
1034
405
"""Return Tree for a revision on this branch.
1036
407
`revision_id` may be None for the null revision, in which case
1037
408
an `EmptyTree` is returned."""
1038
# TODO: refactor this to use an existing revision object
1039
# so we don't need to read it in twice.
1040
if revision_id == None:
1043
inv = self.get_revision_inventory(revision_id)
1044
return RevisionTree(self.text_store, inv)
409
raise NotImplementedError('revision_tree is abstract')
1047
411
def working_tree(self):
1048
"""Return a `Tree` for the working copy."""
1049
from workingtree import WorkingTree
1050
return WorkingTree(self.base, self.read_working_inventory())
412
"""Return a `Tree` for the working copy if this is a local branch."""
413
raise NotImplementedError('working_tree is abstract')
415
def pull(self, source, overwrite=False):
416
raise NotImplementedError('pull is abstract')
1053
418
def basis_tree(self):
1054
419
"""Return `Tree` object for last revision.
1056
421
If there are no revisions yet, return an `EmptyTree`.
1058
r = self.last_patch()
1062
return RevisionTree(self.text_store, self.get_revision_inventory(r))
423
return self.revision_tree(self.last_revision())
1066
425
def rename_one(self, from_rel, to_rel):
1067
426
"""Rename one file.
1069
428
This can change the directory or the filename or both.
1073
tree = self.working_tree()
1074
inv = tree.inventory
1075
if not tree.has_filename(from_rel):
1076
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
1077
if tree.has_filename(to_rel):
1078
raise BzrError("can't rename: new working file %r already exists" % to_rel)
1080
file_id = inv.path2id(from_rel)
1082
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
1084
if inv.path2id(to_rel):
1085
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
1087
to_dir, to_tail = os.path.split(to_rel)
1088
to_dir_id = inv.path2id(to_dir)
1089
if to_dir_id == None and to_dir != '':
1090
raise BzrError("can't determine destination directory id for %r" % to_dir)
1092
mutter("rename_one:")
1093
mutter(" file_id {%s}" % file_id)
1094
mutter(" from_rel %r" % from_rel)
1095
mutter(" to_rel %r" % to_rel)
1096
mutter(" to_dir %r" % to_dir)
1097
mutter(" to_dir_id {%s}" % to_dir_id)
1099
inv.rename(file_id, to_dir_id, to_tail)
1101
print "%s => %s" % (from_rel, to_rel)
1103
from_abs = self.abspath(from_rel)
1104
to_abs = self.abspath(to_rel)
1106
os.rename(from_abs, to_abs)
1108
raise BzrError("failed to rename %r to %r: %s"
1109
% (from_abs, to_abs, e[1]),
1110
["rename rolled back"])
1112
self._write_inventory(inv)
430
raise NotImplementedError('rename_one is abstract')
1117
432
def move(self, from_paths, to_name):
1118
433
"""Rename files.
1125
440
Note that to_name is only the last component of the new name;
1126
441
this doesn't change the directory.
1130
## TODO: Option to move IDs only
1131
assert not isinstance(from_paths, basestring)
1132
tree = self.working_tree()
1133
inv = tree.inventory
1134
to_abs = self.abspath(to_name)
1135
if not isdir(to_abs):
1136
raise BzrError("destination %r is not a directory" % to_abs)
1137
if not tree.has_filename(to_name):
1138
raise BzrError("destination %r not in working directory" % to_abs)
1139
to_dir_id = inv.path2id(to_name)
1140
if to_dir_id == None and to_name != '':
1141
raise BzrError("destination %r is not a versioned directory" % to_name)
1142
to_dir_ie = inv[to_dir_id]
1143
if to_dir_ie.kind not in ('directory', 'root_directory'):
1144
raise BzrError("destination %r is not a directory" % to_abs)
1146
to_idpath = inv.get_idpath(to_dir_id)
1148
for f in from_paths:
1149
if not tree.has_filename(f):
1150
raise BzrError("%r does not exist in working tree" % f)
1151
f_id = inv.path2id(f)
1153
raise BzrError("%r is not versioned" % f)
1154
name_tail = splitpath(f)[-1]
1155
dest_path = appendpath(to_name, name_tail)
1156
if tree.has_filename(dest_path):
1157
raise BzrError("destination %r already exists" % dest_path)
1158
if f_id in to_idpath:
1159
raise BzrError("can't move %r to a subdirectory of itself" % f)
1161
# OK, so there's a race here, it's possible that someone will
1162
# create a file in this interval and then the rename might be
1163
# left half-done. But we should have caught most problems.
1165
for f in from_paths:
1166
name_tail = splitpath(f)[-1]
1167
dest_path = appendpath(to_name, name_tail)
1168
print "%s => %s" % (f, dest_path)
1169
inv.rename(inv.path2id(f), to_dir_id, name_tail)
1171
os.rename(self.abspath(f), self.abspath(dest_path))
1173
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
1174
["rename rolled back"])
1176
self._write_inventory(inv)
1181
def revert(self, filenames, old_tree=None, backups=True):
1182
"""Restore selected files to the versions from a previous tree.
1185
If true (default) backups are made of files before
1188
from bzrlib.errors import NotVersionedError, BzrError
1189
from bzrlib.atomicfile import AtomicFile
1190
from bzrlib.osutils import backup_file
1192
inv = self.read_working_inventory()
1193
if old_tree is None:
1194
old_tree = self.basis_tree()
1195
old_inv = old_tree.inventory
1198
for fn in filenames:
1199
file_id = inv.path2id(fn)
1201
raise NotVersionedError("not a versioned file", fn)
1202
if not old_inv.has_id(file_id):
1203
raise BzrError("file not present in old tree", fn, file_id)
1204
nids.append((fn, file_id))
1206
# TODO: Rename back if it was previously at a different location
1208
# TODO: If given a directory, restore the entire contents from
1209
# the previous version.
1211
# TODO: Make a backup to a temporary file.
1213
# TODO: If the file previously didn't exist, delete it?
1214
for fn, file_id in nids:
1217
f = AtomicFile(fn, 'wb')
1219
f.write(old_tree.get_file(file_id).read())
1225
def pending_merges(self):
1226
"""Return a list of pending merges.
1228
These are revisions that have been merged into the working
1229
directory but not yet committed.
1231
cfn = self.controlfilename('pending-merges')
1232
if not os.path.exists(cfn):
1235
for l in self.controlfile('pending-merges', 'r').readlines():
1236
p.append(l.rstrip('\n'))
1240
def add_pending_merge(self, revision_id):
1241
from bzrlib.revision import validate_revision_id
1243
validate_revision_id(revision_id)
1245
p = self.pending_merges()
1246
if revision_id in p:
1248
p.append(revision_id)
1249
self.set_pending_merges(p)
1252
def set_pending_merges(self, rev_list):
1253
from bzrlib.atomicfile import AtomicFile
1256
f = AtomicFile(self.controlfilename('pending-merges'))
1268
class ScratchBranch(Branch):
443
This returns a list of (from_path, to_path) pairs for each
446
raise NotImplementedError('move is abstract')
448
def get_parent(self):
449
"""Return the parent location of the branch.
451
This is the default location for push/pull/missing. The usual
452
pattern is that the user can override it by specifying a
455
raise NotImplementedError('get_parent is abstract')
457
def get_push_location(self):
458
"""Return the None or the location to push this branch to."""
459
raise NotImplementedError('get_push_location is abstract')
461
def set_push_location(self, location):
462
"""Set a new push location for this branch."""
463
raise NotImplementedError('set_push_location is abstract')
465
def set_parent(self, url):
466
raise NotImplementedError('set_parent is abstract')
468
def check_revno(self, revno):
470
Check whether a revno corresponds to any revision.
471
Zero (the NULL revision) is considered valid.
474
self.check_real_revno(revno)
476
def check_real_revno(self, revno):
478
Check whether a revno corresponds to a real revision.
479
Zero (the NULL revision) is considered invalid
481
if revno < 1 or revno > self.revno():
482
raise InvalidRevisionNumber(revno)
484
def sign_revision(self, revision_id, gpg_strategy):
485
raise NotImplementedError('sign_revision is abstract')
487
def store_revision_signature(self, gpg_strategy, plaintext, revision_id):
488
raise NotImplementedError('store_revision_signature is abstract')
490
class BzrBranch(Branch):
491
"""A branch stored in the actual filesystem.
493
Note that it's "local" in the context of the filesystem; it doesn't
494
really matter if it's on an nfs/smb/afs/coda/... share, as long as
495
it's writable, and can be accessed via the normal filesystem API.
501
If _lock_mode is true, a positive count of the number of times the
505
Lock object from bzrlib.lock.
507
# We actually expect this class to be somewhat short-lived; part of its
508
# purpose is to try to isolate what bits of the branch logic are tied to
509
# filesystem access, so that in a later step, we can extricate them to
510
# a separarte ("storage") class.
514
_inventory_weave = None
516
# Map some sort of prefix into a namespace
517
# stuff like "revno:10", "revid:", etc.
518
# This should match a prefix with a function which accepts
519
REVISION_NAMESPACES = {}
521
def push_stores(self, branch_to):
522
"""See Branch.push_stores."""
523
if (self._branch_format != branch_to._branch_format
524
or self._branch_format != 4):
525
from bzrlib.fetch import greedy_fetch
526
mutter("falling back to fetch logic to push between %s(%s) and %s(%s)",
527
self, self._branch_format, branch_to, branch_to._branch_format)
528
greedy_fetch(to_branch=branch_to, from_branch=self,
529
revision=self.last_revision())
532
store_pairs = ((self.text_store, branch_to.text_store),
533
(self.inventory_store, branch_to.inventory_store),
534
(self.revision_store, branch_to.revision_store))
536
for from_store, to_store in store_pairs:
537
copy_all(from_store, to_store)
538
except UnlistableStore:
539
raise UnlistableBranch(from_store)
541
def __init__(self, transport, init=False,
542
relax_version_check=False):
543
"""Create new branch object at a particular location.
545
transport -- A Transport object, defining how to access files.
547
init -- If True, create new control files in a previously
548
unversioned directory. If False, the branch must already
551
relax_version_check -- If true, the usual check for the branch
552
version is not applied. This is intended only for
553
upgrade/recovery type use; it's not guaranteed that
554
all operations will work on old format branches.
556
In the test suite, creation of new trees is tested using the
557
`ScratchBranch` class.
559
assert isinstance(transport, Transport), \
560
"%r is not a Transport" % transport
561
self._transport = transport
564
self._check_format(relax_version_check)
566
def get_store(name, compressed=True, prefixed=False):
567
# FIXME: This approach of assuming stores are all entirely compressed
568
# or entirely uncompressed is tidy, but breaks upgrade from
569
# some existing branches where there's a mixture; we probably
570
# still want the option to look for both.
571
relpath = self._rel_controlfilename(name)
572
store = TextStore(self._transport.clone(relpath),
574
compressed=compressed)
575
#if self._transport.should_cache():
576
# cache_path = os.path.join(self.cache_root, name)
577
# os.mkdir(cache_path)
578
# store = bzrlib.store.CachedStore(store, cache_path)
580
def get_weave(name, prefixed=False):
581
relpath = self._rel_controlfilename(name)
582
ws = WeaveStore(self._transport.clone(relpath), prefixed=prefixed)
583
if self._transport.should_cache():
584
ws.enable_cache = True
587
if self._branch_format == 4:
588
self.inventory_store = get_store(u'inventory-store')
589
self.text_store = get_store(u'text-store')
590
self.revision_store = get_store(u'revision-store')
591
elif self._branch_format == 5:
592
self.control_weaves = get_weave(u'')
593
self.weave_store = get_weave(u'weaves')
594
self.revision_store = get_store(u'revision-store', compressed=False)
595
elif self._branch_format == 6:
596
self.control_weaves = get_weave(u'')
597
self.weave_store = get_weave(u'weaves', prefixed=True)
598
self.revision_store = get_store(u'revision-store', compressed=False,
600
self.revision_store.register_suffix('sig')
601
self._transaction = None
604
return '%s(%r)' % (self.__class__.__name__, self._transport.base)
609
if self._lock_mode or self._lock:
610
# XXX: This should show something every time, and be suitable for
611
# headless operation and embedding
612
warn("branch %r was not explicitly unlocked" % self)
615
# TODO: It might be best to do this somewhere else,
616
# but it is nice for a Branch object to automatically
617
# cache it's information.
618
# Alternatively, we could have the Transport objects cache requests
619
# See the earlier discussion about how major objects (like Branch)
620
# should never expect their __del__ function to run.
621
if hasattr(self, 'cache_root') and self.cache_root is not None:
623
shutil.rmtree(self.cache_root)
626
self.cache_root = None
630
return self._transport.base
633
base = property(_get_base, doc="The URL for the root of this branch.")
635
def _finish_transaction(self):
636
"""Exit the current transaction."""
637
if self._transaction is None:
638
raise errors.LockError('Branch %s is not in a transaction' %
640
transaction = self._transaction
641
self._transaction = None
644
def get_transaction(self):
645
"""See Branch.get_transaction."""
646
if self._transaction is None:
647
return transactions.PassThroughTransaction()
649
return self._transaction
651
def _set_transaction(self, new_transaction):
652
"""Set a new active transaction."""
653
if self._transaction is not None:
654
raise errors.LockError('Branch %s is in a transaction already.' %
656
self._transaction = new_transaction
658
def lock_write(self):
659
#mutter("lock write: %s (%s)", self, self._lock_count)
660
# TODO: Upgrade locking to support using a Transport,
661
# and potentially a remote locking protocol
663
if self._lock_mode != 'w':
664
raise LockError("can't upgrade to a write lock from %r" %
666
self._lock_count += 1
668
self._lock = self._transport.lock_write(
669
self._rel_controlfilename('branch-lock'))
670
self._lock_mode = 'w'
672
self._set_transaction(transactions.PassThroughTransaction())
675
#mutter("lock read: %s (%s)", self, self._lock_count)
677
assert self._lock_mode in ('r', 'w'), \
678
"invalid lock mode %r" % self._lock_mode
679
self._lock_count += 1
681
self._lock = self._transport.lock_read(
682
self._rel_controlfilename('branch-lock'))
683
self._lock_mode = 'r'
685
self._set_transaction(transactions.ReadOnlyTransaction())
686
# 5K may be excessive, but hey, its a knob.
687
self.get_transaction().set_cache_size(5000)
690
#mutter("unlock: %s (%s)", self, self._lock_count)
691
if not self._lock_mode:
692
raise LockError('branch %r is not locked' % (self))
694
if self._lock_count > 1:
695
self._lock_count -= 1
697
self._finish_transaction()
700
self._lock_mode = self._lock_count = None
702
def abspath(self, name):
703
"""See Branch.abspath."""
704
return self._transport.abspath(name)
706
def _rel_controlfilename(self, file_or_path):
707
if not isinstance(file_or_path, basestring):
708
file_or_path = u'/'.join(file_or_path)
709
if file_or_path == '':
711
return bzrlib.transport.urlescape(bzrlib.BZRDIR + u'/' + file_or_path)
713
def controlfilename(self, file_or_path):
714
"""See Branch.controlfilename."""
715
return self._transport.abspath(self._rel_controlfilename(file_or_path))
717
def controlfile(self, file_or_path, mode='r'):
718
"""See Branch.controlfile."""
721
relpath = self._rel_controlfilename(file_or_path)
722
#TODO: codecs.open() buffers linewise, so it was overloaded with
723
# a much larger buffer, do we need to do the same for getreader/getwriter?
725
return self._transport.get(relpath)
727
raise BzrError("Branch.controlfile(mode='wb') is not supported, use put_controlfiles")
729
# XXX: Do we really want errors='replace'? Perhaps it should be
730
# an error, or at least reported, if there's incorrectly-encoded
731
# data inside a file.
732
# <https://launchpad.net/products/bzr/+bug/3823>
733
return codecs.getreader('utf-8')(self._transport.get(relpath), errors='replace')
735
raise BzrError("Branch.controlfile(mode='w') is not supported, use put_controlfiles")
737
raise BzrError("invalid controlfile mode %r" % mode)
739
def put_controlfile(self, path, f, encode=True):
740
"""See Branch.put_controlfile."""
741
self.put_controlfiles([(path, f)], encode=encode)
743
def put_controlfiles(self, files, encode=True):
744
"""See Branch.put_controlfiles."""
747
for path, f in files:
749
if isinstance(f, basestring):
750
f = f.encode('utf-8', 'replace')
752
f = codecs.getwriter('utf-8')(f, errors='replace')
753
path = self._rel_controlfilename(path)
754
ctrl_files.append((path, f))
755
self._transport.put_multi(ctrl_files)
757
def _make_control(self):
758
from bzrlib.inventory import Inventory
759
from bzrlib.weavefile import write_weave_v5
760
from bzrlib.weave import Weave
762
# Create an empty inventory
764
# if we want per-tree root ids then this is the place to set
765
# them; they're not needed for now and so ommitted for
767
bzrlib.xml5.serializer_v5.write_inventory(Inventory(), sio)
768
empty_inv = sio.getvalue()
770
bzrlib.weavefile.write_weave_v5(Weave(), sio)
771
empty_weave = sio.getvalue()
773
dirs = [[], 'revision-store', 'weaves']
775
"This is a Bazaar-NG control directory.\n"
776
"Do not change any files in this directory.\n"),
777
('branch-format', BZR_BRANCH_FORMAT_6),
778
('revision-history', ''),
781
('pending-merges', ''),
782
('inventory', empty_inv),
783
('inventory.weave', empty_weave),
784
('ancestry.weave', empty_weave)
786
cfn = self._rel_controlfilename
787
self._transport.mkdir_multi([cfn(d) for d in dirs])
788
self.put_controlfiles(files)
789
mutter('created control directory in ' + self._transport.base)
791
def _check_format(self, relax_version_check):
792
"""Check this branch format is supported.
794
The format level is stored, as an integer, in
795
self._branch_format for code that needs to check it later.
797
In the future, we might need different in-memory Branch
798
classes to support downlevel branches. But not yet.
801
fmt = self.controlfile('branch-format', 'r').read()
803
raise NotBranchError(path=self.base)
804
mutter("got branch format %r", fmt)
805
if fmt == BZR_BRANCH_FORMAT_6:
806
self._branch_format = 6
807
elif fmt == BZR_BRANCH_FORMAT_5:
808
self._branch_format = 5
809
elif fmt == BZR_BRANCH_FORMAT_4:
810
self._branch_format = 4
812
if (not relax_version_check
813
and self._branch_format not in (5, 6)):
814
raise errors.UnsupportedFormatError(
815
'sorry, branch format %r not supported' % fmt,
816
['use a different bzr version',
817
'or remove the .bzr directory'
818
' and "bzr init" again'])
821
def get_root_id(self):
822
"""See Branch.get_root_id."""
823
inv = self.get_inventory(self.last_revision())
824
return inv.root.file_id
827
def print_file(self, file, revision_id):
828
"""See Branch.print_file."""
829
tree = self.revision_tree(revision_id)
830
# use inventory as it was in that revision
831
file_id = tree.inventory.path2id(file)
834
revno = self.revision_id_to_revno(revision_id)
835
except errors.NoSuchRevision:
836
# TODO: This should not be BzrError,
837
# but NoSuchFile doesn't fit either
838
raise BzrError('%r is not present in revision %s'
839
% (file, revision_id))
841
raise BzrError('%r is not present in revision %s'
843
tree.print_file(file_id)
846
def append_revision(self, *revision_ids):
847
"""See Branch.append_revision."""
848
for revision_id in revision_ids:
849
mutter("add {%s} to revision-history" % revision_id)
850
rev_history = self.revision_history()
851
rev_history.extend(revision_ids)
852
self.set_revision_history(rev_history)
855
def set_revision_history(self, rev_history):
856
"""See Branch.set_revision_history."""
857
old_revision = self.last_revision()
858
new_revision = rev_history[-1]
859
self.put_controlfile('revision-history', '\n'.join(rev_history))
861
self.working_tree().set_last_revision(new_revision, old_revision)
862
except NoWorkingTree:
863
mutter('Unable to set_last_revision without a working tree.')
865
def has_revision(self, revision_id):
866
"""See Branch.has_revision."""
867
return (revision_id is None
868
or self.revision_store.has_id(revision_id))
871
def _get_revision_xml_file(self, revision_id):
872
if not revision_id or not isinstance(revision_id, basestring):
873
raise InvalidRevisionId(revision_id=revision_id, branch=self)
875
return self.revision_store.get(revision_id)
876
except (IndexError, KeyError):
877
raise bzrlib.errors.NoSuchRevision(self, revision_id)
879
def get_revision_xml(self, revision_id):
880
"""See Branch.get_revision_xml."""
881
return self._get_revision_xml_file(revision_id).read()
883
def get_revision(self, revision_id):
884
"""See Branch.get_revision."""
885
xml_file = self._get_revision_xml_file(revision_id)
888
r = bzrlib.xml5.serializer_v5.read_revision(xml_file)
889
except SyntaxError, e:
890
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
894
assert r.revision_id == revision_id
897
def get_revision_sha1(self, revision_id):
898
"""See Branch.get_revision_sha1."""
899
# In the future, revision entries will be signed. At that
900
# point, it is probably best *not* to include the signature
901
# in the revision hash. Because that lets you re-sign
902
# the revision, (add signatures/remove signatures) and still
903
# have all hash pointers stay consistent.
904
# But for now, just hash the contents.
905
return bzrlib.osutils.sha_file(self.get_revision_xml_file(revision_id))
907
def get_ancestry(self, revision_id):
908
"""See Branch.get_ancestry."""
909
if revision_id is None:
911
w = self._get_inventory_weave()
912
return [None] + map(w.idx_to_name,
913
w.inclusions([w.lookup(revision_id)]))
915
def _get_inventory_weave(self):
916
return self.control_weaves.get_weave('inventory',
917
self.get_transaction())
919
def get_inventory(self, revision_id):
920
"""See Branch.get_inventory."""
921
xml = self.get_inventory_xml(revision_id)
922
return bzrlib.xml5.serializer_v5.read_inventory_from_string(xml)
924
def get_inventory_xml(self, revision_id):
925
"""See Branch.get_inventory_xml."""
927
assert isinstance(revision_id, basestring), type(revision_id)
928
iw = self._get_inventory_weave()
929
return iw.get_text(iw.lookup(revision_id))
931
raise bzrlib.errors.HistoryMissing(self, 'inventory', revision_id)
933
def get_inventory_sha1(self, revision_id):
934
"""See Branch.get_inventory_sha1."""
935
return self.get_revision(revision_id).inventory_sha1
937
def get_revision_inventory(self, revision_id):
938
"""See Branch.get_revision_inventory."""
939
# TODO: Unify this with get_inventory()
940
# bzr 0.0.6 and later imposes the constraint that the inventory_id
941
# must be the same as its revision, so this is trivial.
942
if revision_id == None:
943
# This does not make sense: if there is no revision,
944
# then it is the current tree inventory surely ?!
945
# and thus get_root_id() is something that looks at the last
946
# commit on the branch, and the get_root_id is an inventory check.
947
raise NotImplementedError
948
# return Inventory(self.get_root_id())
950
return self.get_inventory(revision_id)
953
def revision_history(self):
954
"""See Branch.revision_history."""
955
transaction = self.get_transaction()
956
history = transaction.map.find_revision_history()
957
if history is not None:
958
mutter("cache hit for revision-history in %s", self)
960
history = [l.rstrip('\r\n') for l in
961
self.controlfile('revision-history', 'r').readlines()]
962
transaction.map.add_revision_history(history)
963
# this call is disabled because revision_history is
964
# not really an object yet, and the transaction is for objects.
965
# transaction.register_clean(history, precious=True)
968
def update_revisions(self, other, stop_revision=None):
969
"""See Branch.update_revisions."""
970
from bzrlib.fetch import greedy_fetch
971
if stop_revision is None:
972
stop_revision = other.last_revision()
973
### Should this be checking is_ancestor instead of revision_history?
974
if (stop_revision is not None and
975
stop_revision in self.revision_history()):
977
greedy_fetch(to_branch=self, from_branch=other,
978
revision=stop_revision)
979
pullable_revs = self.pullable_revisions(other, stop_revision)
980
if len(pullable_revs) > 0:
981
self.append_revision(*pullable_revs)
983
def pullable_revisions(self, other, stop_revision):
984
"""See Branch.pullable_revisions."""
985
other_revno = other.revision_id_to_revno(stop_revision)
987
return self.missing_revisions(other, other_revno)
988
except DivergedBranches, e:
990
pullable_revs = get_intervening_revisions(self.last_revision(),
992
assert self.last_revision() not in pullable_revs
994
except bzrlib.errors.NotAncestor:
995
if is_ancestor(self.last_revision(), stop_revision, self):
1000
def revision_tree(self, revision_id):
1001
"""See Branch.revision_tree."""
1002
# TODO: refactor this to use an existing revision object
1003
# so we don't need to read it in twice.
1004
if revision_id == None or revision_id == NULL_REVISION:
1007
inv = self.get_revision_inventory(revision_id)
1008
return RevisionTree(self.weave_store, inv, revision_id)
1010
def basis_tree(self):
1011
"""See Branch.basis_tree."""
1013
revision_id = self.revision_history()[-1]
1014
xml = self.working_tree().read_basis_inventory(revision_id)
1015
inv = bzrlib.xml5.serializer_v5.read_inventory_from_string(xml)
1016
return RevisionTree(self.weave_store, inv, revision_id)
1017
except (IndexError, NoSuchFile, NoWorkingTree), e:
1018
return self.revision_tree(self.last_revision())
1020
def working_tree(self):
1021
"""See Branch.working_tree."""
1022
from bzrlib.workingtree import WorkingTree
1023
if self._transport.base.find('://') != -1:
1024
raise NoWorkingTree(self.base)
1025
return WorkingTree(self.base, branch=self)
1028
def pull(self, source, overwrite=False):
1029
"""See Branch.pull."""
1032
old_count = len(self.revision_history())
1034
self.update_revisions(source)
1035
except DivergedBranches:
1039
self.set_revision_history(source.revision_history())
1040
new_count = len(self.revision_history())
1041
return new_count - old_count
1045
def get_parent(self):
1046
"""See Branch.get_parent."""
1048
_locs = ['parent', 'pull', 'x-pull']
1051
return self.controlfile(l, 'r').read().strip('\n')
1056
def get_push_location(self):
1057
"""See Branch.get_push_location."""
1058
config = bzrlib.config.BranchConfig(self)
1059
push_loc = config.get_user_option('push_location')
1062
def set_push_location(self, location):
1063
"""See Branch.set_push_location."""
1064
config = bzrlib.config.LocationConfig(self.base)
1065
config.set_user_option('push_location', location)
1068
def set_parent(self, url):
1069
"""See Branch.set_parent."""
1070
# TODO: Maybe delete old location files?
1071
from bzrlib.atomicfile import AtomicFile
1072
f = AtomicFile(self.controlfilename('parent'))
1079
def tree_config(self):
1080
return TreeConfig(self)
1082
def sign_revision(self, revision_id, gpg_strategy):
1083
"""See Branch.sign_revision."""
1084
plaintext = Testament.from_revision(self, revision_id).as_short_text()
1085
self.store_revision_signature(gpg_strategy, plaintext, revision_id)
1088
def store_revision_signature(self, gpg_strategy, plaintext, revision_id):
1089
"""See Branch.store_revision_signature."""
1090
self.revision_store.add(StringIO(gpg_strategy.sign(plaintext)),
1094
class ScratchBranch(BzrBranch):
1269
1095
"""Special test class: a branch that cleans up after itself.
1271
1097
>>> b = ScratchBranch()
1272
1098
>>> isdir(b.base)
1274
1100
>>> bd = b.base
1101
>>> b._transport.__del__()
1279
def __init__(self, files=[], dirs=[], base=None):
1106
def __init__(self, files=[], dirs=[], transport=None):
1280
1107
"""Make a test branch.
1282
1109
This creates a temporary directory and runs init-tree in it.
1284
1111
If any files are listed, they are created in the working copy.
1286
from tempfile import mkdtemp
1291
Branch.__init__(self, base, init=init)
1113
if transport is None:
1114
transport = bzrlib.transport.local.ScratchTransport()
1115
super(ScratchBranch, self).__init__(transport, init=True)
1117
super(ScratchBranch, self).__init__(transport)
1293
os.mkdir(self.abspath(d))
1120
self._transport.mkdir(d)
1295
1122
for f in files:
1296
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
1123
self._transport.put(f, 'content of %s' % f)
1299
1126
def clone(self):
1301
1128
>>> orig = ScratchBranch(files=["file1", "file2"])
1302
1129
>>> clone = orig.clone()
1303
>>> os.path.samefile(orig.base, clone.base)
1130
>>> if os.name != 'nt':
1131
... os.path.samefile(orig.base, clone.base)
1133
... orig.base == clone.base
1305
1136
>>> os.path.isfile(os.path.join(clone.base, "file1"))