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- Committer: Martin Pool
- Date: 2005-06-10 09:30:57 UTC
- Revision ID: mbp@sourcefrog.net-20050610093057-23705fac7f7f956e
todo
- files added:
- bzrlib/statcache.py
- files removed:
- HACKING
- bzrlib/plugins
- bzrlib/selftest
- bzrlib/util
- bzrlib/util/effbot
- bzrlib/util/effbot/org
- contrib/emacs
- tools
- files renamed:
- bzrlib/selftest/__init__.py => bzrlib/selftest.py
- bzrlib/selftest/whitebox.py => bzrlib/whitebox.py
- bzrlib/util/elementtree/ => elementtree/
- bzrlib/util/urlgrabber/ => urlgrabber/
- files modified:
- .bzrignore
added
removed
bzrlib/branch.py
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import sys
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import os
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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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import bzrlib
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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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splitpath, \
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sha_file, appendpath, file_kind
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from bzrlib.errors import BzrError, InvalidRevisionNumber, InvalidRevisionId, \
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DivergedBranches, NotBranchError
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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.delta import compare_trees
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from bzrlib.tree import EmptyTree, RevisionTree
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import bzrlib.xml
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import bzrlib.ui
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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
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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 BzrError
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from textui import show_status
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BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\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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# TODO: please move the revision-string syntax stuff out of the branch
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# object; it's clutter
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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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from bzrlib.remotebranch import RemoteBranch
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return RemoteBranch(f, **args)
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import remotebranch
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return remotebranch.RemoteBranch(f, **args)
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else:
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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 bzrlib.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 bzrlib.meta_store import CachedStore
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cache_path = os.path.join(cache_root, store_name)
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os.mkdir(cache_path)
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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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return br
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def _relpath(base, path):
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"""Return path relative to base, or raise exception.
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if tail:
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s.insert(0, tail)
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else:
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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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return os.sep.join(s)
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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. If there isn't one, raises NotBranchError.
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"""
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run into the root."""
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if f == None:
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f = os.getcwd()
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elif hasattr(os.path, 'realpath'):
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head, tail = os.path.split(f)
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if head == f:
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# reached the root, whatever that may be
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raise NotBranchError('%s is not in a branch' % orig_f)
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raise BzrError('%r is not in a branch' % orig_f)
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f = head
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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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######################################################################
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# branch objects
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_lock_count = None
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_lock = None
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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. May be a file:// url.
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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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In the test suite, creation of new trees is tested using the
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`ScratchBranch` class.
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"""
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from bzrlib.store import ImmutableStore
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if init:
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self.base = os.path.realpath(base)
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self._make_control()
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elif find_root:
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self.base = find_branch_root(base)
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else:
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if base.startswith("file://"):
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base = base[7:]
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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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def __del__(self):
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if self._lock_mode or self._lock:
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from bzrlib.warnings import warn
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from warnings import warn
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warn("branch %r was not explicitly unlocked" % self)
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self._lock.unlock()
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def lock_write(self):
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if self._lock_mode:
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if self._lock_mode != 'w':
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from bzrlib.errors import LockError
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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_mode)
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self._lock_count += 1
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self._lock_count = 1
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def lock_read(self):
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if self._lock_mode:
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assert self._lock_mode in ('r', 'w'), \
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self._lock_mode = 'r'
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self._lock_count = 1
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def unlock(self):
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if not self._lock_mode:
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from bzrlib.errors import LockError
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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 = None
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self._lock_mode = self._lock_count = None
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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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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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if isinstance(file_or_path, types.StringTypes):
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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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else:
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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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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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"Do not change any files in this directory.")
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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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'branch-lock',
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'pending-merges'):
285
'branch-lock'):
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self.controlfile(f, 'w').write('')
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mutter('created control directory in ' + self.base)
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# if we want per-tree root ids then this is the place to set
313
# them; they're not needed for now and so ommitted for
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# simplicity.
315
f = self.controlfile('inventory','w')
316
bzrlib.xml.serializer_v4.write_inventory(Inventory(), f)
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Inventory().write_xml(self.controlfile('inventory','w'))
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def _check_format(self):
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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 = fmt.replace('\r\n', '\n')
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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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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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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
345
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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for fid in inv:
349
entry = inv[fid]
350
if entry.parent_id in (None, orig_root_id):
351
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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before = time.time()
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# ElementTree does its own conversion from UTF-8, so open in
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# binary.
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self.lock_read()
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try:
359
# ElementTree does its own conversion from UTF-8, so open in
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# binary.
361
f = self.controlfile('inventory', 'rb')
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return bzrlib.xml.serializer_v4.read_inventory(f)
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inv = Inventory.read_xml(self.controlfile('inventory', 'rb'))
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mutter("loaded inventory of %d items in %f"
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% (len(inv), time.time() - before))
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return inv
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finally:
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self.unlock()
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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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"""
373
from bzrlib.atomicfile import AtomicFile
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self.lock_write()
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try:
377
f = AtomicFile(self.controlfilename('inventory'), 'wb')
378
try:
379
bzrlib.xml.serializer_v4.write_inventory(inv, f)
380
f.commit()
381
finally:
382
f.close()
383
finally:
384
self.unlock()
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## TODO: factor out to atomicfile? is rename safe on windows?
333
## TODO: Maybe some kind of clean/dirty marker on inventory?
334
tmpfname = self.controlfilename('inventory.tmp')
335
tmpf = file(tmpfname, 'wb')
336
inv.write_xml(tmpf)
337
tmpf.close()
338
inv_fname = self.controlfilename('inventory')
339
if sys.platform == 'win32':
340
os.remove(inv_fname)
341
os.rename(tmpfname, inv_fname)
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mutter('wrote working inventory')
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"""Inventory for the working copy.""")
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392
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def add(self, files, ids=None):
349
def add(self, files, verbose=False, ids=None):
394
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"""Make files versioned.
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396
Note that the command line normally calls smart_add instead,
397
which can automatically recurse.
352
Note that the command line normally calls smart_add instead.
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399
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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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TODO: Perhaps have an option to add the ids even if the files do
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not (yet) exist.
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TODO: Perhaps yield the ids and paths as they're added.
368
TODO: Perhaps return the ids of the files? But then again it
369
is easy to retrieve them if they're needed.
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TODO: Adding a directory should optionally recurse down and
372
add all non-ignored children. Perhaps do that in a
373
higher-level method.
414
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"""
415
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# TODO: Re-adding a file that is removed in the working copy
416
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# should probably put it back with the previous ID.
417
if isinstance(files, basestring):
418
assert(ids is None or isinstance(ids, basestring))
377
if isinstance(files, types.StringTypes):
378
assert(ids is None or isinstance(ids, types.StringTypes))
419
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files = [files]
420
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if ids is not None:
421
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ids = [ids]
452
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file_id = gen_file_id(f)
453
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inv.add_path(f, kind=kind, file_id=file_id)
454
414
415
if verbose:
416
show_status('A', kind, quotefn(f))
417
455
418
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
456
419
457
420
self._write_inventory(inv)
467
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# use inventory as it was in that revision
468
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file_id = tree.inventory.path2id(file)
469
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if not file_id:
470
raise BzrError("%r is not present in revision %s" % (file, revno))
433
raise BzrError("%r is not present in revision %d" % (file, revno))
471
434
tree.print_file(file_id)
472
435
finally:
473
436
self.unlock()
489
452
"""
490
453
## TODO: Normalize names
491
454
## TODO: Remove nested loops; better scalability
492
if isinstance(files, basestring):
455
if isinstance(files, types.StringTypes):
493
456
files = [files]
494
457
495
458
self.lock_write()
520
483
521
484
# FIXME: this doesn't need to be a branch method
522
485
def set_inventory(self, new_inventory_list):
523
from bzrlib.inventory import Inventory, InventoryEntry
524
inv = Inventory(self.get_root_id())
486
inv = Inventory()
525
487
for path, file_id, parent, kind in new_inventory_list:
526
488
name = os.path.basename(path)
527
489
if name == "":
549
511
return self.working_tree().unknowns()
550
512
551
513
552
def append_revision(self, *revision_ids):
553
from bzrlib.atomicfile import AtomicFile
554
555
for revision_id in revision_ids:
556
mutter("add {%s} to revision-history" % revision_id)
557
514
def append_revision(self, revision_id):
515
mutter("add {%s} to revision-history" % revision_id)
558
516
rev_history = self.revision_history()
559
rev_history.extend(revision_ids)
560
561
f = AtomicFile(self.controlfilename('revision-history'))
562
try:
563
for rev_id in rev_history:
564
print >>f, rev_id
565
f.commit()
566
finally:
567
f.close()
568
569
570
def get_revision_xml_file(self, revision_id):
571
"""Return XML file object for revision object."""
572
if not revision_id or not isinstance(revision_id, basestring):
573
raise InvalidRevisionId(revision_id)
574
575
self.lock_read()
576
try:
577
try:
578
return self.revision_store[revision_id]
579
except (IndexError, KeyError):
580
raise bzrlib.errors.NoSuchRevision(self, revision_id)
581
finally:
582
self.unlock()
583
584
585
#deprecated
586
get_revision_xml = get_revision_xml_file
517
518
tmprhname = self.controlfilename('revision-history.tmp')
519
rhname = self.controlfilename('revision-history')
520
521
f = file(tmprhname, 'wt')
522
rev_history.append(revision_id)
523
f.write('\n'.join(rev_history))
524
f.write('\n')
525
f.close()
526
527
if sys.platform == 'win32':
528
os.remove(rhname)
529
os.rename(tmprhname, rhname)
530
587
531
588
532
589
533
def get_revision(self, revision_id):
590
534
"""Return the Revision object for a named revision"""
591
xml_file = self.get_revision_xml_file(revision_id)
592
593
try:
594
r = bzrlib.xml.serializer_v4.read_revision(xml_file)
595
except SyntaxError, e:
596
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
597
[revision_id,
598
str(e)])
599
535
r = Revision.read_xml(self.revision_store[revision_id])
600
536
assert r.revision_id == revision_id
601
537
return r
602
538
603
539
604
def get_revision_delta(self, revno):
605
"""Return the delta for one revision.
606
607
The delta is relative to its mainline predecessor, or the
608
empty tree for revision 1.
609
"""
610
assert isinstance(revno, int)
611
rh = self.revision_history()
612
if not (1 <= revno <= len(rh)):
613
raise InvalidRevisionNumber(revno)
614
615
# revno is 1-based; list is 0-based
616
617
new_tree = self.revision_tree(rh[revno-1])
618
if revno == 1:
619
old_tree = EmptyTree()
620
else:
621
old_tree = self.revision_tree(rh[revno-2])
622
623
return compare_trees(old_tree, new_tree)
624
625
626
627
def get_revision_sha1(self, revision_id):
628
"""Hash the stored value of a revision, and return it."""
629
# In the future, revision entries will be signed. At that
630
# point, it is probably best *not* to include the signature
631
# in the revision hash. Because that lets you re-sign
632
# the revision, (add signatures/remove signatures) and still
633
# have all hash pointers stay consistent.
634
# But for now, just hash the contents.
635
return bzrlib.osutils.sha_file(self.get_revision_xml(revision_id))
636
637
638
540
def get_inventory(self, inventory_id):
639
541
"""Get Inventory object by hash.
640
542
641
543
TODO: Perhaps for this and similar methods, take a revision
642
544
parameter which can be either an integer revno or a
643
545
string hash."""
644
from bzrlib.inventory import Inventory
645
646
f = self.get_inventory_xml_file(inventory_id)
647
return bzrlib.xml.serializer_v4.read_inventory(f)
648
649
650
def get_inventory_xml(self, inventory_id):
651
"""Get inventory XML as a file object."""
652
return self.inventory_store[inventory_id]
653
654
get_inventory_xml_file = get_inventory_xml
655
656
657
def get_inventory_sha1(self, inventory_id):
658
"""Return the sha1 hash of the inventory entry
659
"""
660
return sha_file(self.get_inventory_xml(inventory_id))
546
i = Inventory.read_xml(self.inventory_store[inventory_id])
547
return i
661
548
662
549
663
550
def get_revision_inventory(self, revision_id):
664
551
"""Return inventory of a past revision."""
665
# bzr 0.0.6 imposes the constraint that the inventory_id
666
# must be the same as its revision, so this is trivial.
667
552
if revision_id == None:
668
from bzrlib.inventory import Inventory
669
return Inventory(self.get_root_id())
553
return Inventory()
670
554
else:
671
return self.get_inventory(revision_id)
555
return self.get_inventory(self.get_revision(revision_id).inventory_id)
672
556
673
557
674
558
def revision_history(self):
687
571
688
572
def common_ancestor(self, other, self_revno=None, other_revno=None):
689
573
"""
690
>>> from bzrlib.commit import commit
574
>>> import commit
691
575
>>> sb = ScratchBranch(files=['foo', 'foo~'])
692
576
>>> sb.common_ancestor(sb) == (None, None)
693
577
True
694
>>> commit(sb, "Committing first revision", verbose=False)
578
>>> commit.commit(sb, "Committing first revision", verbose=False)
695
579
>>> sb.common_ancestor(sb)[0]
696
580
1
697
581
>>> clone = sb.clone()
698
>>> commit(sb, "Committing second revision", verbose=False)
582
>>> commit.commit(sb, "Committing second revision", verbose=False)
699
583
>>> sb.common_ancestor(sb)[0]
700
584
2
701
585
>>> sb.common_ancestor(clone)[0]
702
586
1
703
>>> commit(clone, "Committing divergent second revision",
587
>>> commit.commit(clone, "Committing divergent second revision",
704
588
... verbose=False)
705
589
>>> sb.common_ancestor(clone)[0]
706
590
1
729
613
return r+1, my_history[r]
730
614
return None, None
731
615
616
def enum_history(self, direction):
617
"""Return (revno, revision_id) for history of branch.
618
619
direction
620
'forward' is from earliest to latest
621
'reverse' is from latest to earliest
622
"""
623
rh = self.revision_history()
624
if direction == 'forward':
625
i = 1
626
for rid in rh:
627
yield i, rid
628
i += 1
629
elif direction == 'reverse':
630
i = len(rh)
631
while i > 0:
632
yield i, rh[i-1]
633
i -= 1
634
else:
635
raise ValueError('invalid history direction', direction)
636
732
637
733
638
def revno(self):
734
639
"""Return current revision number for this branch.
749
654
return None
750
655
751
656
752
def missing_revisions(self, other, stop_revision=None, diverged_ok=False):
657
def missing_revisions(self, other):
753
658
"""
754
659
If self and other have not diverged, return a list of the revisions
755
660
present in other, but missing from self.
784
689
if common_index >= 0 and \
785
690
self_history[common_index] != other_history[common_index]:
786
691
raise DivergedBranches(self, other)
787
788
if stop_revision is None:
789
stop_revision = other_len
790
elif stop_revision > other_len:
791
raise bzrlib.errors.NoSuchRevision(self, stop_revision)
792
793
return other_history[self_len:stop_revision]
794
795
796
def update_revisions(self, other, stop_revision=None):
692
if self_len < other_len:
693
return other_history[self_len:]
694
return []
695
696
697
def update_revisions(self, other):
797
698
"""Pull in all new revisions from other branch.
699
700
>>> from bzrlib.commit import commit
701
>>> bzrlib.trace.silent = True
702
>>> br1 = ScratchBranch(files=['foo', 'bar'])
703
>>> br1.add('foo')
704
>>> br1.add('bar')
705
>>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
706
>>> br2 = ScratchBranch()
707
>>> br2.update_revisions(br1)
708
Added 2 texts.
709
Added 1 inventories.
710
Added 1 revisions.
711
>>> br2.revision_history()
712
[u'REVISION-ID-1']
713
>>> br2.update_revisions(br1)
714
Added 0 texts.
715
Added 0 inventories.
716
Added 0 revisions.
717
>>> br1.text_store.total_size() == br2.text_store.total_size()
718
True
798
719
"""
799
from bzrlib.fetch import greedy_fetch
800
from bzrlib.revision import get_intervening_revisions
801
802
pb = bzrlib.ui.ui_factory.progress_bar()
803
pb.update('comparing histories')
804
if stop_revision is None:
805
other_revision = other.last_patch()
806
else:
807
other_revision = other.lookup_revision(stop_revision)
808
count = greedy_fetch(self, other, other_revision, pb)[0]
809
try:
810
revision_ids = self.missing_revisions(other, stop_revision)
811
except DivergedBranches, e:
812
try:
813
revision_ids = get_intervening_revisions(self.last_patch(),
814
other_revision, self)
815
assert self.last_patch() not in revision_ids
816
except bzrlib.errors.NotAncestor:
817
raise e
818
819
self.append_revision(*revision_ids)
820
pb.clear()
821
822
def install_revisions(self, other, revision_ids, pb):
823
if hasattr(other.revision_store, "prefetch"):
824
other.revision_store.prefetch(revision_ids)
825
if hasattr(other.inventory_store, "prefetch"):
826
inventory_ids = []
827
for rev_id in revision_ids:
828
try:
829
revision = other.get_revision(rev_id).inventory_id
830
inventory_ids.append(revision)
831
except bzrlib.errors.NoSuchRevision:
832
pass
833
other.inventory_store.prefetch(inventory_ids)
834
835
if pb is None:
836
pb = bzrlib.ui.ui_factory.progress_bar()
837
838
revisions = []
839
needed_texts = set()
840
i = 0
841
842
failures = set()
843
for i, rev_id in enumerate(revision_ids):
844
pb.update('fetching revision', i+1, len(revision_ids))
845
try:
846
rev = other.get_revision(rev_id)
847
except bzrlib.errors.NoSuchRevision:
848
failures.add(rev_id)
849
continue
850
851
revisions.append(rev)
720
revision_ids = self.missing_revisions(other)
721
revisions = [other.get_revision(f) for f in revision_ids]
722
needed_texts = sets.Set()
723
for rev in revisions:
852
724
inv = other.get_inventory(str(rev.inventory_id))
853
725
for key, entry in inv.iter_entries():
854
726
if entry.text_id is None:
855
727
continue
856
728
if entry.text_id not in self.text_store:
857
729
needed_texts.add(entry.text_id)
858
859
pb.clear()
860
861
count, cp_fail = self.text_store.copy_multi(other.text_store,
862
needed_texts)
863
#print "Added %d texts." % count
730
count = self.text_store.copy_multi(other.text_store, needed_texts)
731
print "Added %d texts." % count
864
732
inventory_ids = [ f.inventory_id for f in revisions ]
865
count, cp_fail = self.inventory_store.copy_multi(other.inventory_store,
866
inventory_ids)
867
#print "Added %d inventories." % count
733
count = self.inventory_store.copy_multi(other.inventory_store,
734
inventory_ids)
735
print "Added %d inventories." % count
868
736
revision_ids = [ f.revision_id for f in revisions]
869
870
count, cp_fail = self.revision_store.copy_multi(other.revision_store,
871
revision_ids,
872
permit_failure=True)
873
assert len(cp_fail) == 0
874
return count, failures
875
876
737
count = self.revision_store.copy_multi(other.revision_store,
738
revision_ids)
739
for revision_id in revision_ids:
740
self.append_revision(revision_id)
741
print "Added %d revisions." % count
742
743
877
744
def commit(self, *args, **kw):
745
"""Deprecated"""
878
746
from bzrlib.commit import commit
879
747
commit(self, *args, **kw)
880
748
881
749
882
def lookup_revision(self, revision):
883
"""Return the revision identifier for a given revision information."""
884
revno, info = self._get_revision_info(revision)
885
return info
886
887
888
def revision_id_to_revno(self, revision_id):
889
"""Given a revision id, return its revno"""
890
history = self.revision_history()
891
try:
892
return history.index(revision_id) + 1
893
except ValueError:
894
raise bzrlib.errors.NoSuchRevision(self, revision_id)
895
896
897
def get_revision_info(self, revision):
898
"""Return (revno, revision id) for revision identifier.
899
900
revision can be an integer, in which case it is assumed to be revno (though
901
this will translate negative values into positive ones)
902
revision can also be a string, in which case it is parsed for something like
903
'date:' or 'revid:' etc.
904
"""
905
revno, rev_id = self._get_revision_info(revision)
906
if revno is None:
907
raise bzrlib.errors.NoSuchRevision(self, revision)
908
return revno, rev_id
909
910
def get_rev_id(self, revno, history=None):
911
"""Find the revision id of the specified revno."""
750
def lookup_revision(self, revno):
751
"""Return revision hash for revision number."""
912
752
if revno == 0:
913
753
return None
914
if history is None:
915
history = self.revision_history()
916
elif revno <= 0 or revno > len(history):
917
raise bzrlib.errors.NoSuchRevision(self, revno)
918
return history[revno - 1]
919
920
def _get_revision_info(self, revision):
921
"""Return (revno, revision id) for revision specifier.
922
923
revision can be an integer, in which case it is assumed to be revno
924
(though this will translate negative values into positive ones)
925
revision can also be a string, in which case it is parsed for something
926
like 'date:' or 'revid:' etc.
927
928
A revid is always returned. If it is None, the specifier referred to
929
the null revision. If the revid does not occur in the revision
930
history, revno will be None.
931
"""
932
933
if revision is None:
934
return 0, None
935
revno = None
936
try:# Convert to int if possible
937
revision = int(revision)
938
except ValueError:
939
pass
940
revs = self.revision_history()
941
if isinstance(revision, int):
942
if revision < 0:
943
revno = len(revs) + revision + 1
944
else:
945
revno = revision
946
rev_id = self.get_rev_id(revno, revs)
947
elif isinstance(revision, basestring):
948
for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
949
if revision.startswith(prefix):
950
result = func(self, revs, revision)
951
if len(result) > 1:
952
revno, rev_id = result
953
else:
954
revno = result[0]
955
rev_id = self.get_rev_id(revno, revs)
956
break
957
else:
958
raise BzrError('No namespace registered for string: %r' %
959
revision)
960
else:
961
raise TypeError('Unhandled revision type %s' % revision)
962
963
if revno is None:
964
if rev_id is None:
965
raise bzrlib.errors.NoSuchRevision(self, revision)
966
return revno, rev_id
967
968
def _namespace_revno(self, revs, revision):
969
"""Lookup a revision by revision number"""
970
assert revision.startswith('revno:')
971
try:
972
return (int(revision[6:]),)
973
except ValueError:
974
return None
975
REVISION_NAMESPACES['revno:'] = _namespace_revno
976
977
def _namespace_revid(self, revs, revision):
978
assert revision.startswith('revid:')
979
rev_id = revision[len('revid:'):]
980
try:
981
return revs.index(rev_id) + 1, rev_id
982
except ValueError:
983
return None, rev_id
984
REVISION_NAMESPACES['revid:'] = _namespace_revid
985
986
def _namespace_last(self, revs, revision):
987
assert revision.startswith('last:')
988
try:
989
offset = int(revision[5:])
990
except ValueError:
991
return (None,)
992
else:
993
if offset <= 0:
994
raise BzrError('You must supply a positive value for --revision last:XXX')
995
return (len(revs) - offset + 1,)
996
REVISION_NAMESPACES['last:'] = _namespace_last
997
998
def _namespace_tag(self, revs, revision):
999
assert revision.startswith('tag:')
1000
raise BzrError('tag: namespace registered, but not implemented.')
1001
REVISION_NAMESPACES['tag:'] = _namespace_tag
1002
1003
def _namespace_date(self, revs, revision):
1004
assert revision.startswith('date:')
1005
import datetime
1006
# Spec for date revisions:
1007
# date:value
1008
# value can be 'yesterday', 'today', 'tomorrow' or a YYYY-MM-DD string.
1009
# it can also start with a '+/-/='. '+' says match the first
1010
# entry after the given date. '-' is match the first entry before the date
1011
# '=' is match the first entry after, but still on the given date.
1012
#
1013
# +2005-05-12 says find the first matching entry after May 12th, 2005 at 0:00
1014
# -2005-05-12 says find the first matching entry before May 12th, 2005 at 0:00
1015
# =2005-05-12 says find the first match after May 12th, 2005 at 0:00 but before
1016
# May 13th, 2005 at 0:00
1017
#
1018
# So the proper way of saying 'give me all entries for today' is:
1019
# -r {date:+today}:{date:-tomorrow}
1020
# The default is '=' when not supplied
1021
val = revision[5:]
1022
match_style = '='
1023
if val[:1] in ('+', '-', '='):
1024
match_style = val[:1]
1025
val = val[1:]
1026
1027
today = datetime.datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
1028
if val.lower() == 'yesterday':
1029
dt = today - datetime.timedelta(days=1)
1030
elif val.lower() == 'today':
1031
dt = today
1032
elif val.lower() == 'tomorrow':
1033
dt = today + datetime.timedelta(days=1)
1034
else:
1035
import re
1036
# This should be done outside the function to avoid recompiling it.
1037
_date_re = re.compile(
1038
r'(?P<date>(?P<year>\d\d\d\d)-(?P<month>\d\d)-(?P<day>\d\d))?'
1039
r'(,|T)?\s*'
1040
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
1041
)
1042
m = _date_re.match(val)
1043
if not m or (not m.group('date') and not m.group('time')):
1044
raise BzrError('Invalid revision date %r' % revision)
1045
1046
if m.group('date'):
1047
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
1048
else:
1049
year, month, day = today.year, today.month, today.day
1050
if m.group('time'):
1051
hour = int(m.group('hour'))
1052
minute = int(m.group('minute'))
1053
if m.group('second'):
1054
second = int(m.group('second'))
1055
else:
1056
second = 0
1057
else:
1058
hour, minute, second = 0,0,0
1059
1060
dt = datetime.datetime(year=year, month=month, day=day,
1061
hour=hour, minute=minute, second=second)
1062
first = dt
1063
last = None
1064
reversed = False
1065
if match_style == '-':
1066
reversed = True
1067
elif match_style == '=':
1068
last = dt + datetime.timedelta(days=1)
1069
1070
if reversed:
1071
for i in range(len(revs)-1, -1, -1):
1072
r = self.get_revision(revs[i])
1073
# TODO: Handle timezone.
1074
dt = datetime.datetime.fromtimestamp(r.timestamp)
1075
if first >= dt and (last is None or dt >= last):
1076
return (i+1,)
1077
else:
1078
for i in range(len(revs)):
1079
r = self.get_revision(revs[i])
1080
# TODO: Handle timezone.
1081
dt = datetime.datetime.fromtimestamp(r.timestamp)
1082
if first <= dt and (last is None or dt <= last):
1083
return (i+1,)
1084
REVISION_NAMESPACES['date:'] = _namespace_date
1085
1086
1087
def _namespace_ancestor(self, revs, revision):
1088
from revision import common_ancestor, MultipleRevisionSources
1089
other_branch = find_branch(_trim_namespace('ancestor', revision))
1090
revision_a = self.last_patch()
1091
revision_b = other_branch.last_patch()
1092
for r, b in ((revision_a, self), (revision_b, other_branch)):
1093
if r is None:
1094
raise bzrlib.errors.NoCommits(b)
1095
revision_source = MultipleRevisionSources(self, other_branch)
1096
result = common_ancestor(revision_a, revision_b, revision_source)
1097
try:
1098
revno = self.revision_id_to_revno(result)
1099
except bzrlib.errors.NoSuchRevision:
1100
revno = None
1101
return revno,result
1102
1103
1104
REVISION_NAMESPACES['ancestor:'] = _namespace_ancestor
754
755
try:
756
# list is 0-based; revisions are 1-based
757
return self.revision_history()[revno-1]
758
except IndexError:
759
raise BzrError("no such revision %s" % revno)
760
1105
761
1106
762
def revision_tree(self, revision_id):
1107
763
"""Return Tree for a revision on this branch.
1119
775
1120
776
def working_tree(self):
1121
777
"""Return a `Tree` for the working copy."""
1122
from bzrlib.workingtree import WorkingTree
778
from workingtree import WorkingTree
1123
779
return WorkingTree(self.base, self.read_working_inventory())
1124
780
1125
781
1171
827
1172
828
inv.rename(file_id, to_dir_id, to_tail)
1173
829
830
print "%s => %s" % (from_rel, to_rel)
831
1174
832
from_abs = self.abspath(from_rel)
1175
833
to_abs = self.abspath(to_rel)
1176
834
try:
1195
853
1196
854
Note that to_name is only the last component of the new name;
1197
855
this doesn't change the directory.
1198
1199
This returns a list of (from_path, to_path) pairs for each
1200
entry that is moved.
1201
856
"""
1202
result = []
1203
857
self.lock_write()
1204
858
try:
1205
859
## TODO: Option to move IDs only
1240
894
for f in from_paths:
1241
895
name_tail = splitpath(f)[-1]
1242
896
dest_path = appendpath(to_name, name_tail)
1243
result.append((f, dest_path))
897
print "%s => %s" % (f, dest_path)
1244
898
inv.rename(inv.path2id(f), to_dir_id, name_tail)
1245
899
try:
1246
900
os.rename(self.abspath(f), self.abspath(dest_path))
1252
906
finally:
1253
907
self.unlock()
1254
908
1255
return result
1256
1257
1258
def revert(self, filenames, old_tree=None, backups=True):
1259
"""Restore selected files to the versions from a previous tree.
1260
1261
backups
1262
If true (default) backups are made of files before
1263
they're renamed.
1264
"""
1265
from bzrlib.errors import NotVersionedError, BzrError
1266
from bzrlib.atomicfile import AtomicFile
1267
from bzrlib.osutils import backup_file
1268
1269
inv = self.read_working_inventory()
1270
if old_tree is None:
1271
old_tree = self.basis_tree()
1272
old_inv = old_tree.inventory
1273
1274
nids = []
1275
for fn in filenames:
1276
file_id = inv.path2id(fn)
1277
if not file_id:
1278
raise NotVersionedError("not a versioned file", fn)
1279
if not old_inv.has_id(file_id):
1280
raise BzrError("file not present in old tree", fn, file_id)
1281
nids.append((fn, file_id))
1282
1283
# TODO: Rename back if it was previously at a different location
1284
1285
# TODO: If given a directory, restore the entire contents from
1286
# the previous version.
1287
1288
# TODO: Make a backup to a temporary file.
1289
1290
# TODO: If the file previously didn't exist, delete it?
1291
for fn, file_id in nids:
1292
backup_file(fn)
1293
1294
f = AtomicFile(fn, 'wb')
1295
try:
1296
f.write(old_tree.get_file(file_id).read())
1297
f.commit()
1298
finally:
1299
f.close()
1300
1301
1302
def pending_merges(self):
1303
"""Return a list of pending merges.
1304
1305
These are revisions that have been merged into the working
1306
directory but not yet committed.
1307
"""
1308
cfn = self.controlfilename('pending-merges')
1309
if not os.path.exists(cfn):
1310
return []
1311
p = []
1312
for l in self.controlfile('pending-merges', 'r').readlines():
1313
p.append(l.rstrip('\n'))
1314
return p
1315
1316
1317
def add_pending_merge(self, revision_id):
1318
from bzrlib.revision import validate_revision_id
1319
1320
validate_revision_id(revision_id)
1321
1322
p = self.pending_merges()
1323
if revision_id in p:
1324
return
1325
p.append(revision_id)
1326
self.set_pending_merges(p)
1327
1328
1329
def set_pending_merges(self, rev_list):
1330
from bzrlib.atomicfile import AtomicFile
1331
self.lock_write()
1332
try:
1333
f = AtomicFile(self.controlfilename('pending-merges'))
1334
try:
1335
for l in rev_list:
1336
print >>f, l
1337
f.commit()
1338
finally:
1339
f.close()
1340
finally:
1341
self.unlock()
1342
1343
1344
def get_parent(self):
1345
"""Return the parent location of the branch.
1346
1347
This is the default location for push/pull/missing. The usual
1348
pattern is that the user can override it by specifying a
1349
location.
1350
"""
1351
import errno
1352
_locs = ['parent', 'pull', 'x-pull']
1353
for l in _locs:
1354
try:
1355
return self.controlfile(l, 'r').read().strip('\n')
1356
except IOError, e:
1357
if e.errno != errno.ENOENT:
1358
raise
1359
return None
1360
1361
1362
def set_parent(self, url):
1363
# TODO: Maybe delete old location files?
1364
from bzrlib.atomicfile import AtomicFile
1365
self.lock_write()
1366
try:
1367
f = AtomicFile(self.controlfilename('parent'))
1368
try:
1369
f.write(url + '\n')
1370
f.commit()
1371
finally:
1372
f.close()
1373
finally:
1374
self.unlock()
1375
1376
def check_revno(self, revno):
1377
"""\
1378
Check whether a revno corresponds to any revision.
1379
Zero (the NULL revision) is considered valid.
1380
"""
1381
if revno != 0:
1382
self.check_real_revno(revno)
1383
1384
def check_real_revno(self, revno):
1385
"""\
1386
Check whether a revno corresponds to a real revision.
1387
Zero (the NULL revision) is considered invalid
1388
"""
1389
if revno < 1 or revno > self.revno():
1390
raise InvalidRevisionNumber(revno)
1391
1392
1393
909
1394
910
1395
911
class ScratchBranch(Branch):
1410
926
1411
927
If any files are listed, they are created in the working copy.
1412
928
"""
1413
from tempfile import mkdtemp
1414
929
init = False
1415
930
if base is None:
1416
base = mkdtemp()
931
base = tempfile.mkdtemp()
1417
932
init = True
1418
933
Branch.__init__(self, base, init=init)
1419
934
for d in dirs:
1432
947
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1433
948
True
1434
949
"""
1435
from shutil import copytree
1436
from tempfile import mkdtemp
1437
base = mkdtemp()
950
base = tempfile.mkdtemp()
1438
951
os.rmdir(base)
1439
copytree(self.base, base, symlinks=True)
952
shutil.copytree(self.base, base, symlinks=True)
1440
953
return ScratchBranch(base=base)
1441
1442
1443
954
1444
955
def __del__(self):
1445
956
self.destroy()
1446
957
1447
958
def destroy(self):
1448
959
"""Destroy the test branch, removing the scratch directory."""
1449
from shutil import rmtree
1450
960
try:
1451
961
if self.base:
1452
962
mutter("delete ScratchBranch %s" % self.base)
1453
rmtree(self.base)
963
shutil.rmtree(self.base)
1454
964
except OSError, e:
1455
965
# Work around for shutil.rmtree failing on Windows when
1456
966
# readonly files are encountered
1458
968
for root, dirs, files in os.walk(self.base, topdown=False):
1459
969
for name in files:
1460
970
os.chmod(os.path.join(root, name), 0700)
1461
rmtree(self.base)
971
shutil.rmtree(self.base)
1462
972
self.base = None
1463
973
1464
974
1489
999
cope with just randomness because running uuidgen every time is
1490
1000
slow."""
1491
1001
import re
1492
from binascii import hexlify
1493
from time import time
1494
1002
1495
1003
# get last component
1496
1004
idx = name.rfind('/')
1508
1016
name = re.sub(r'[^\w.]', '', name)
1509
1017
1510
1018
s = hexlify(rand_bytes(8))
1511
return '-'.join((name, compact_date(time()), s))
1512
1513
1514
def gen_root_id():
1515
"""Return a new tree-root file id."""
1516
return gen_file_id('TREE_ROOT')
1517
1518
1519
def copy_branch(branch_from, to_location, revision=None):
1520
"""Copy branch_from into the existing directory to_location.
1521
1522
revision
1523
If not None, only revisions up to this point will be copied.
1524
The head of the new branch will be that revision.
1525
1526
to_location
1527
The name of a local directory that exists but is empty.
1528
"""
1529
from bzrlib.merge import merge
1530
1531
assert isinstance(branch_from, Branch)
1532
assert isinstance(to_location, basestring)
1533
1534
br_to = Branch(to_location, init=True)
1535
br_to.set_root_id(branch_from.get_root_id())
1536
if revision is None:
1537
revno = branch_from.revno()
1538
else:
1539
revno, rev_id = branch_from.get_revision_info(revision)
1540
br_to.update_revisions(branch_from, stop_revision=revno)
1541
merge((to_location, -1), (to_location, 0), this_dir=to_location,
1542
check_clean=False, ignore_zero=True)
1543
br_to.set_parent(branch_from.base)
1544
return br_to
1545
1546
def _trim_namespace(namespace, spec):
1547
full_namespace = namespace + ':'
1548
assert spec.startswith(full_namespace)
1549
return spec[len(full_namespace):]
1019
return '-'.join((name, compact_date(time.time()), s))
Loggerhead is a web-based interface for Breezy
Version: 2.0.1