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- Committer: Martin Pool
- Date: 2005-05-05 07:43:42 UTC
- Revision ID: mbp@sourcefrog.net-20050505074342-6b2d3c39edc0c4cd
- New command touching-revisions and function to trace
changes to a given file.
changes to a given file.
- files added:
- bzrlib/cache.py
- files removed:
- bzr-man.py
- bzrlib/selftest
- contrib/emacs
- effbot
- effbot/org
- patches
- plugins
- plugins/changeset
- tools
- files renamed:
- contrib/bash/bzr.simple => contrib/bash/bzr
- 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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from sets import Set
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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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import bzrlib.errors
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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.delta import compare_trees
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from bzrlib.tree import EmptyTree, RevisionTree
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from inventory import Inventory
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from trace import mutter, note
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from tree import Tree, EmptyTree, RevisionTree, WorkingTree
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from inventory import InventoryEntry, Inventory
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from osutils import isdir, quotefn, isfile, uuid, sha_file, username, \
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format_date, compact_date, pumpfile, user_email, rand_bytes, splitpath, \
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joinpath, sha_string, file_kind, local_time_offset, appendpath
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from store import ImmutableStore
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from revision import Revision
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from errors import bailout, BzrError
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from textui import show_status
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from diff import diff_trees
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BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\n"
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## 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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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 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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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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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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s = []
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head = rp
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while len(head) >= len(base):
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if head == base:
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break
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head, tail = os.path.split(head)
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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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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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f = os.path.realpath(f)
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else:
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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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orig_f = 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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class Branch(object):
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class Branch:
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"""Branch holding a history of revisions.
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base
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Base directory of the branch.
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_lock_mode
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None, or 'r' or 'w'
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_lock_count
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If _lock_mode is true, a positive count of the number of times the
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lock has been taken.
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_lock
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Lock object from bzrlib.lock.
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"""
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base = None
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_lock_mode = None
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_lock_count = None
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_lock = None
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_lockmode = 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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def __init__(self, base, init=False, find_root=True, lock_mode='w'):
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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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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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else:
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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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bailout("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._check_format()
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self.lock(lock_mode)
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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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__repr__ = __str__
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def __del__(self):
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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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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 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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else:
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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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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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"invalid lock mode %r" % self._lock_mode
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self._lock_count += 1
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else:
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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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self._lock_count = 1
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def lock(self, mode='w'):
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"""Lock the on-disk branch, excluding other processes."""
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try:
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import fcntl, errno
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if mode == 'w':
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lm = fcntl.LOCK_EX
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om = os.O_WRONLY | os.O_CREAT
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elif mode == 'r':
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lm = fcntl.LOCK_SH
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om = os.O_RDONLY
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else:
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raise BzrError("invalid locking mode %r" % mode)
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try:
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lockfile = os.open(self.controlfilename('branch-lock'), om)
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except OSError, e:
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if e.errno == errno.ENOENT:
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# might not exist on branches from <0.0.4
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self.controlfile('branch-lock', 'w').close()
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lockfile = os.open(self.controlfilename('branch-lock'), om)
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else:
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raise e
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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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else:
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self._lock.unlock()
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self._lock = None
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self._lock_mode = self._lock_count = None
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fcntl.lockf(lockfile, lm)
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def unlock():
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fcntl.lockf(lockfile, fcntl.LOCK_UN)
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os.close(lockfile)
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self._lockmode = None
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self.unlock = unlock
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self._lockmode = mode
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except ImportError:
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warning("please write a locking method for platform %r" % sys.platform)
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def unlock():
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self._lockmode = None
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self.unlock = unlock
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self._lockmode = mode
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def _need_readlock(self):
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if self._lockmode not in ['r', 'w']:
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raise BzrError('need read lock on branch, only have %r' % self._lockmode)
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def _need_writelock(self):
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if self._lockmode not in ['w']:
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raise BzrError('need write lock on branch, only have %r' % self._lockmode)
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def abspath(self, name):
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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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rp = os.path.realpath(path)
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# FIXME: windows
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if not rp.startswith(self.base):
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bailout("path %r is not within branch %r" % (rp, self.base))
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rp = rp[len(self.base):]
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rp = rp.lstrip(os.sep)
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return rp
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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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and binary. binary files are untranslated byte streams. Text
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control files are stored with Unix newlines and in UTF-8, even
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if the platform or locale defaults are different.
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Controlfiles should almost never be opened in write mode but
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rather should be atomically copied and replaced using atomicfile.
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"""
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fn = self.controlfilename(file_or_path)
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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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"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'):
230
'branch-lock'):
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self.controlfile(f, 'w').write('')
317
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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'))
233
Inventory().write_xml(self.controlfile('inventory','w'))
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def _check_format(self):
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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:
336
raise BzrError('sorry, branch format %r not supported' % fmt,
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['use a different bzr version',
338
'or remove the .bzr directory and "bzr init" again'])
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def get_root_id(self):
341
"""Return the id of this branches root"""
342
inv = self.read_working_inventory()
343
return inv.root.file_id
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def set_root_id(self, file_id):
346
inv = self.read_working_inventory()
347
orig_root_id = inv.root.file_id
348
del inv._byid[inv.root.file_id]
349
inv.root.file_id = file_id
350
inv._byid[inv.root.file_id] = inv.root
351
for fid in inv:
352
entry = inv[fid]
353
if entry.parent_id in (None, orig_root_id):
354
entry.parent_id = inv.root.file_id
355
self._write_inventory(inv)
250
bailout('sorry, branch format %r not supported' % fmt,
251
['use a different bzr version',
252
'or remove the .bzr directory and "bzr init" again'])
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356
254
357
255
def read_working_inventory(self):
358
256
"""Read the working inventory."""
359
from bzrlib.inventory import Inventory
360
from bzrlib.xml import unpack_xml
361
from time import time
362
before = time()
363
self.lock_read()
364
try:
365
# ElementTree does its own conversion from UTF-8, so open in
366
# binary.
367
inv = unpack_xml(Inventory,
368
self.controlfile('inventory', 'rb'))
369
mutter("loaded inventory of %d items in %f"
370
% (len(inv), time() - before))
371
return inv
372
finally:
373
self.unlock()
374
257
self._need_readlock()
258
before = time.time()
259
# ElementTree does its own conversion from UTF-8, so open in
260
# binary.
261
inv = Inventory.read_xml(self.controlfile('inventory', 'rb'))
262
mutter("loaded inventory of %d items in %f"
263
% (len(inv), time.time() - before))
264
return inv
265
375
266
376
267
def _write_inventory(self, inv):
377
268
"""Update the working inventory.
379
270
That is to say, the inventory describing changes underway, that
380
271
will be committed to the next revision.
381
272
"""
382
from bzrlib.atomicfile import AtomicFile
383
from bzrlib.xml import pack_xml
384
385
self.lock_write()
386
try:
387
f = AtomicFile(self.controlfilename('inventory'), 'wb')
388
try:
389
pack_xml(inv, f)
390
f.commit()
391
finally:
392
f.close()
393
finally:
394
self.unlock()
395
273
self._need_writelock()
274
## TODO: factor out to atomicfile? is rename safe on windows?
275
## TODO: Maybe some kind of clean/dirty marker on inventory?
276
tmpfname = self.controlfilename('inventory.tmp')
277
tmpf = file(tmpfname, 'wb')
278
inv.write_xml(tmpf)
279
tmpf.close()
280
inv_fname = self.controlfilename('inventory')
281
if sys.platform == 'win32':
282
os.remove(inv_fname)
283
os.rename(tmpfname, inv_fname)
396
284
mutter('wrote working inventory')
397
285
398
286
399
287
inventory = property(read_working_inventory, _write_inventory, None,
400
288
"""Inventory for the working copy.""")
401
289
402
290
403
def add(self, files, verbose=False, ids=None):
291
def add(self, files, verbose=False):
404
292
"""Make files versioned.
405
293
406
294
Note that the command line normally calls smart_add instead.
408
296
This puts the files in the Added state, so that they will be
409
297
recorded by the next commit.
410
298
411
files
412
List of paths to add, relative to the base of the tree.
413
414
ids
415
If set, use these instead of automatically generated ids.
416
Must be the same length as the list of files, but may
417
contain None for ids that are to be autogenerated.
418
419
299
TODO: Perhaps have an option to add the ids even if the files do
420
not (yet) exist.
300
not (yet) exist.
421
301
422
302
TODO: Perhaps return the ids of the files? But then again it
423
is easy to retrieve them if they're needed.
303
is easy to retrieve them if they're needed.
304
305
TODO: Option to specify file id.
424
306
425
307
TODO: Adding a directory should optionally recurse down and
426
add all non-ignored children. Perhaps do that in a
427
higher-level method.
308
add all non-ignored children. Perhaps do that in a
309
higher-level method.
310
311
>>> b = ScratchBranch(files=['foo'])
312
>>> 'foo' in b.unknowns()
313
True
314
>>> b.show_status()
315
? foo
316
>>> b.add('foo')
317
>>> 'foo' in b.unknowns()
318
False
319
>>> bool(b.inventory.path2id('foo'))
320
True
321
>>> b.show_status()
322
A foo
323
324
>>> b.add('foo')
325
Traceback (most recent call last):
326
...
327
BzrError: ('foo is already versioned', [])
328
329
>>> b.add(['nothere'])
330
Traceback (most recent call last):
331
BzrError: ('cannot add: not a regular file or directory: nothere', [])
428
332
"""
333
self._need_writelock()
334
429
335
# TODO: Re-adding a file that is removed in the working copy
430
336
# should probably put it back with the previous ID.
431
if isinstance(files, basestring):
432
assert(ids is None or isinstance(ids, basestring))
337
if isinstance(files, types.StringTypes):
433
338
files = [files]
434
if ids is not None:
435
ids = [ids]
436
437
if ids is None:
438
ids = [None] * len(files)
439
else:
440
assert(len(ids) == len(files))
441
442
self.lock_write()
443
try:
444
inv = self.read_working_inventory()
445
for f,file_id in zip(files, ids):
446
if is_control_file(f):
447
raise BzrError("cannot add control file %s" % quotefn(f))
448
449
fp = splitpath(f)
450
451
if len(fp) == 0:
452
raise BzrError("cannot add top-level %r" % f)
453
454
fullpath = os.path.normpath(self.abspath(f))
455
456
try:
457
kind = file_kind(fullpath)
458
except OSError:
459
# maybe something better?
460
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
461
462
if kind != 'file' and kind != 'directory':
463
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
464
465
if file_id is None:
466
file_id = gen_file_id(f)
467
inv.add_path(f, kind=kind, file_id=file_id)
468
469
if verbose:
470
print 'added', quotefn(f)
471
472
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
473
474
self._write_inventory(inv)
475
finally:
476
self.unlock()
477
339
340
inv = self.read_working_inventory()
341
for f in files:
342
if is_control_file(f):
343
bailout("cannot add control file %s" % quotefn(f))
344
345
fp = splitpath(f)
346
347
if len(fp) == 0:
348
bailout("cannot add top-level %r" % f)
349
350
fullpath = os.path.normpath(self.abspath(f))
351
352
try:
353
kind = file_kind(fullpath)
354
except OSError:
355
# maybe something better?
356
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
357
358
if kind != 'file' and kind != 'directory':
359
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
360
361
file_id = gen_file_id(f)
362
inv.add_path(f, kind=kind, file_id=file_id)
363
364
if verbose:
365
show_status('A', kind, quotefn(f))
366
367
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
368
369
self._write_inventory(inv)
370
478
371
479
372
def print_file(self, file, revno):
480
373
"""Print `file` to stdout."""
481
self.lock_read()
482
try:
483
tree = self.revision_tree(self.lookup_revision(revno))
484
# use inventory as it was in that revision
485
file_id = tree.inventory.path2id(file)
486
if not file_id:
487
raise BzrError("%r is not present in revision %s" % (file, revno))
488
tree.print_file(file_id)
489
finally:
490
self.unlock()
491
374
self._need_readlock()
375
tree = self.revision_tree(self.lookup_revision(revno))
376
# use inventory as it was in that revision
377
file_id = tree.inventory.path2id(file)
378
if not file_id:
379
bailout("%r is not present in revision %d" % (file, revno))
380
tree.print_file(file_id)
381
492
382
493
383
def remove(self, files, verbose=False):
494
384
"""Mark nominated files for removal from the inventory.
497
387
498
388
TODO: Refuse to remove modified files unless --force is given?
499
389
390
>>> b = ScratchBranch(files=['foo'])
391
>>> b.add('foo')
392
>>> b.inventory.has_filename('foo')
393
True
394
>>> b.remove('foo')
395
>>> b.working_tree().has_filename('foo')
396
True
397
>>> b.inventory.has_filename('foo')
398
False
399
400
>>> b = ScratchBranch(files=['foo'])
401
>>> b.add('foo')
402
>>> b.commit('one')
403
>>> b.remove('foo')
404
>>> b.commit('two')
405
>>> b.inventory.has_filename('foo')
406
False
407
>>> b.basis_tree().has_filename('foo')
408
False
409
>>> b.working_tree().has_filename('foo')
410
True
411
500
412
TODO: Do something useful with directories.
501
413
502
414
TODO: Should this remove the text or not? Tough call; not
506
418
"""
507
419
## TODO: Normalize names
508
420
## TODO: Remove nested loops; better scalability
509
if isinstance(files, basestring):
421
self._need_writelock()
422
423
if isinstance(files, types.StringTypes):
510
424
files = [files]
511
512
self.lock_write()
513
514
try:
515
tree = self.working_tree()
516
inv = tree.inventory
517
518
# do this before any modifications
519
for f in files:
520
fid = inv.path2id(f)
521
if not fid:
522
raise BzrError("cannot remove unversioned file %s" % quotefn(f))
523
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
524
if verbose:
525
# having remove it, it must be either ignored or unknown
526
if tree.is_ignored(f):
527
new_status = 'I'
528
else:
529
new_status = '?'
530
show_status(new_status, inv[fid].kind, quotefn(f))
531
del inv[fid]
532
533
self._write_inventory(inv)
534
finally:
535
self.unlock()
536
537
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)
544
if name == "":
545
continue
546
inv.add(InventoryEntry(file_id, name, kind, parent))
425
426
tree = self.working_tree()
427
inv = tree.inventory
428
429
# do this before any modifications
430
for f in files:
431
fid = inv.path2id(f)
432
if not fid:
433
bailout("cannot remove unversioned file %s" % quotefn(f))
434
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
435
if verbose:
436
# having remove it, it must be either ignored or unknown
437
if tree.is_ignored(f):
438
new_status = 'I'
439
else:
440
new_status = '?'
441
show_status(new_status, inv[fid].kind, quotefn(f))
442
del inv[fid]
443
547
444
self._write_inventory(inv)
548
445
549
446
566
463
return self.working_tree().unknowns()
567
464
568
465
569
def append_revision(self, *revision_ids):
570
from bzrlib.atomicfile import AtomicFile
571
572
for revision_id in revision_ids:
573
mutter("add {%s} to revision-history" % revision_id)
574
466
def commit(self, message, timestamp=None, timezone=None,
467
committer=None,
468
verbose=False):
469
"""Commit working copy as a new revision.
470
471
The basic approach is to add all the file texts into the
472
store, then the inventory, then make a new revision pointing
473
to that inventory and store that.
474
475
This is not quite safe if the working copy changes during the
476
commit; for the moment that is simply not allowed. A better
477
approach is to make a temporary copy of the files before
478
computing their hashes, and then add those hashes in turn to
479
the inventory. This should mean at least that there are no
480
broken hash pointers. There is no way we can get a snapshot
481
of the whole directory at an instant. This would also have to
482
be robust against files disappearing, moving, etc. So the
483
whole thing is a bit hard.
484
485
timestamp -- if not None, seconds-since-epoch for a
486
postdated/predated commit.
487
"""
488
self._need_writelock()
489
490
## TODO: Show branch names
491
492
# TODO: Don't commit if there are no changes, unless forced?
493
494
# First walk over the working inventory; and both update that
495
# and also build a new revision inventory. The revision
496
# inventory needs to hold the text-id, sha1 and size of the
497
# actual file versions committed in the revision. (These are
498
# not present in the working inventory.) We also need to
499
# detect missing/deleted files, and remove them from the
500
# working inventory.
501
502
work_inv = self.read_working_inventory()
503
inv = Inventory()
504
basis = self.basis_tree()
505
basis_inv = basis.inventory
506
missing_ids = []
507
for path, entry in work_inv.iter_entries():
508
## TODO: Cope with files that have gone missing.
509
510
## TODO: Check that the file kind has not changed from the previous
511
## revision of this file (if any).
512
513
entry = entry.copy()
514
515
p = self.abspath(path)
516
file_id = entry.file_id
517
mutter('commit prep file %s, id %r ' % (p, file_id))
518
519
if not os.path.exists(p):
520
mutter(" file is missing, removing from inventory")
521
if verbose:
522
show_status('D', entry.kind, quotefn(path))
523
missing_ids.append(file_id)
524
continue
525
526
# TODO: Handle files that have been deleted
527
528
# TODO: Maybe a special case for empty files? Seems a
529
# waste to store them many times.
530
531
inv.add(entry)
532
533
if basis_inv.has_id(file_id):
534
old_kind = basis_inv[file_id].kind
535
if old_kind != entry.kind:
536
bailout("entry %r changed kind from %r to %r"
537
% (file_id, old_kind, entry.kind))
538
539
if entry.kind == 'directory':
540
if not isdir(p):
541
bailout("%s is entered as directory but not a directory" % quotefn(p))
542
elif entry.kind == 'file':
543
if not isfile(p):
544
bailout("%s is entered as file but is not a file" % quotefn(p))
545
546
content = file(p, 'rb').read()
547
548
entry.text_sha1 = sha_string(content)
549
entry.text_size = len(content)
550
551
old_ie = basis_inv.has_id(file_id) and basis_inv[file_id]
552
if (old_ie
553
and (old_ie.text_size == entry.text_size)
554
and (old_ie.text_sha1 == entry.text_sha1)):
555
## assert content == basis.get_file(file_id).read()
556
entry.text_id = basis_inv[file_id].text_id
557
mutter(' unchanged from previous text_id {%s}' %
558
entry.text_id)
559
560
else:
561
entry.text_id = gen_file_id(entry.name)
562
self.text_store.add(content, entry.text_id)
563
mutter(' stored with text_id {%s}' % entry.text_id)
564
if verbose:
565
if not old_ie:
566
state = 'A'
567
elif (old_ie.name == entry.name
568
and old_ie.parent_id == entry.parent_id):
569
state = 'M'
570
else:
571
state = 'R'
572
573
show_status(state, entry.kind, quotefn(path))
574
575
for file_id in missing_ids:
576
# have to do this later so we don't mess up the iterator.
577
# since parents may be removed before their children we
578
# have to test.
579
580
# FIXME: There's probably a better way to do this; perhaps
581
# the workingtree should know how to filter itself.
582
if work_inv.has_id(file_id):
583
del work_inv[file_id]
584
585
586
inv_id = rev_id = _gen_revision_id(time.time())
587
588
inv_tmp = tempfile.TemporaryFile()
589
inv.write_xml(inv_tmp)
590
inv_tmp.seek(0)
591
self.inventory_store.add(inv_tmp, inv_id)
592
mutter('new inventory_id is {%s}' % inv_id)
593
594
self._write_inventory(work_inv)
595
596
if timestamp == None:
597
timestamp = time.time()
598
599
if committer == None:
600
committer = username()
601
602
if timezone == None:
603
timezone = local_time_offset()
604
605
mutter("building commit log message")
606
rev = Revision(timestamp=timestamp,
607
timezone=timezone,
608
committer=committer,
609
precursor = self.last_patch(),
610
message = message,
611
inventory_id=inv_id,
612
revision_id=rev_id)
613
614
rev_tmp = tempfile.TemporaryFile()
615
rev.write_xml(rev_tmp)
616
rev_tmp.seek(0)
617
self.revision_store.add(rev_tmp, rev_id)
618
mutter("new revision_id is {%s}" % rev_id)
619
620
## XXX: Everything up to here can simply be orphaned if we abort
621
## the commit; it will leave junk files behind but that doesn't
622
## matter.
623
624
## TODO: Read back the just-generated changeset, and make sure it
625
## applies and recreates the right state.
626
627
## TODO: Also calculate and store the inventory SHA1
628
mutter("committing patch r%d" % (self.revno() + 1))
629
630
631
self.append_revision(rev_id)
632
633
if verbose:
634
note("commited r%d" % self.revno())
635
636
637
def append_revision(self, revision_id):
638
mutter("add {%s} to revision-history" % revision_id)
575
639
rev_history = self.revision_history()
576
rev_history.extend(revision_ids)
577
578
f = AtomicFile(self.controlfilename('revision-history'))
579
try:
580
for rev_id in rev_history:
581
print >>f, rev_id
582
f.commit()
583
finally:
584
f.close()
585
586
587
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)
591
592
self.lock_read()
593
try:
594
try:
595
return self.revision_store[revision_id]
596
except IndexError:
597
raise bzrlib.errors.NoSuchRevision(revision_id)
598
finally:
599
self.unlock()
640
641
tmprhname = self.controlfilename('revision-history.tmp')
642
rhname = self.controlfilename('revision-history')
643
644
f = file(tmprhname, 'wt')
645
rev_history.append(revision_id)
646
f.write('\n'.join(rev_history))
647
f.write('\n')
648
f.close()
649
650
if sys.platform == 'win32':
651
os.remove(rhname)
652
os.rename(tmprhname, rhname)
653
600
654
601
655
602
656
def get_revision(self, revision_id):
603
657
"""Return the Revision object for a named revision"""
604
xml_file = self.get_revision_xml(revision_id)
605
606
try:
607
r = unpack_xml(Revision, xml_file)
608
except SyntaxError, e:
609
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
610
[revision_id,
611
str(e)])
612
658
self._need_readlock()
659
r = Revision.read_xml(self.revision_store[revision_id])
613
660
assert r.revision_id == revision_id
614
661
return r
615
662
616
663
617
def get_revision_delta(self, revno):
618
"""Return the delta for one revision.
619
620
The delta is relative to its mainline predecessor, or the
621
empty tree for revision 1.
622
"""
623
assert isinstance(revno, int)
624
rh = self.revision_history()
625
if not (1 <= revno <= len(rh)):
626
raise InvalidRevisionNumber(revno)
627
628
# revno is 1-based; list is 0-based
629
630
new_tree = self.revision_tree(rh[revno-1])
631
if revno == 1:
632
old_tree = EmptyTree()
633
else:
634
old_tree = self.revision_tree(rh[revno-2])
635
636
return compare_trees(old_tree, new_tree)
637
638
639
640
def get_revision_sha1(self, revision_id):
641
"""Hash the stored value of a revision, and return it."""
642
# In the future, revision entries will be signed. At that
643
# point, it is probably best *not* to include the signature
644
# in the revision hash. Because that lets you re-sign
645
# the revision, (add signatures/remove signatures) and still
646
# have all hash pointers stay consistent.
647
# But for now, just hash the contents.
648
return bzrlib.osutils.sha_file(self.get_revision_xml(revision_id))
649
650
651
664
def get_inventory(self, inventory_id):
652
665
"""Get Inventory object by hash.
653
666
654
667
TODO: Perhaps for this and similar methods, take a revision
655
668
parameter which can be either an integer revno or a
656
669
string hash."""
657
from bzrlib.inventory import Inventory
658
from bzrlib.xml import unpack_xml
659
660
return unpack_xml(Inventory, self.inventory_store[inventory_id])
661
662
663
def get_inventory_sha1(self, inventory_id):
664
"""Return the sha1 hash of the inventory entry
665
"""
666
return sha_file(self.inventory_store[inventory_id])
670
self._need_readlock()
671
i = Inventory.read_xml(self.inventory_store[inventory_id])
672
return i
667
673
668
674
669
675
def get_revision_inventory(self, revision_id):
670
676
"""Return inventory of a past revision."""
671
# bzr 0.0.6 imposes the constraint that the inventory_id
672
# must be the same as its revision, so this is trivial.
677
self._need_readlock()
673
678
if revision_id == None:
674
from bzrlib.inventory import Inventory
675
return Inventory(self.get_root_id())
679
return Inventory()
676
680
else:
677
return self.get_inventory(revision_id)
681
return self.get_inventory(self.get_revision(revision_id).inventory_id)
678
682
679
683
680
684
def revision_history(self):
683
687
>>> ScratchBranch().revision_history()
684
688
[]
685
689
"""
686
self.lock_read()
687
try:
688
return [l.rstrip('\r\n') for l in
689
self.controlfile('revision-history', 'r').readlines()]
690
finally:
691
self.unlock()
692
693
694
def common_ancestor(self, other, self_revno=None, other_revno=None):
695
"""
696
>>> import commit
697
>>> sb = ScratchBranch(files=['foo', 'foo~'])
698
>>> sb.common_ancestor(sb) == (None, None)
699
True
700
>>> commit.commit(sb, "Committing first revision", verbose=False)
701
>>> sb.common_ancestor(sb)[0]
702
1
703
>>> clone = sb.clone()
704
>>> commit.commit(sb, "Committing second revision", verbose=False)
705
>>> sb.common_ancestor(sb)[0]
706
2
707
>>> sb.common_ancestor(clone)[0]
708
1
709
>>> commit.commit(clone, "Committing divergent second revision",
710
... verbose=False)
711
>>> sb.common_ancestor(clone)[0]
712
1
713
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
714
True
715
>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
716
True
717
>>> clone2 = sb.clone()
718
>>> sb.common_ancestor(clone2)[0]
719
2
720
>>> sb.common_ancestor(clone2, self_revno=1)[0]
721
1
722
>>> sb.common_ancestor(clone2, other_revno=1)[0]
723
1
724
"""
725
my_history = self.revision_history()
726
other_history = other.revision_history()
727
if self_revno is None:
728
self_revno = len(my_history)
729
if other_revno is None:
730
other_revno = len(other_history)
731
indices = range(min((self_revno, other_revno)))
732
indices.reverse()
733
for r in indices:
734
if my_history[r] == other_history[r]:
735
return r+1, my_history[r]
736
return None, None
690
self._need_readlock()
691
return [l.rstrip('\r\n') for l in self.controlfile('revision-history', 'r').readlines()]
737
692
738
693
739
694
def revno(self):
741
696
742
697
That is equivalent to the number of revisions committed to
743
698
this branch.
699
700
>>> b = ScratchBranch()
701
>>> b.revno()
702
0
703
>>> b.commit('no foo')
704
>>> b.revno()
705
1
744
706
"""
745
707
return len(self.revision_history())
746
708
747
709
748
710
def last_patch(self):
749
711
"""Return last patch hash, or None if no history.
712
713
>>> ScratchBranch().last_patch() == None
714
True
750
715
"""
751
716
ph = self.revision_history()
752
717
if ph:
753
718
return ph[-1]
754
719
else:
755
720
return None
756
757
758
def missing_revisions(self, other, stop_revision=None):
759
"""
760
If self and other have not diverged, return a list of the revisions
761
present in other, but missing from self.
762
763
>>> from bzrlib.commit import commit
764
>>> bzrlib.trace.silent = True
765
>>> br1 = ScratchBranch()
766
>>> br2 = ScratchBranch()
767
>>> br1.missing_revisions(br2)
768
[]
769
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
770
>>> br1.missing_revisions(br2)
771
[u'REVISION-ID-1']
772
>>> br2.missing_revisions(br1)
773
[]
774
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
775
>>> br1.missing_revisions(br2)
776
[]
777
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
778
>>> br1.missing_revisions(br2)
779
[u'REVISION-ID-2A']
780
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
781
>>> br1.missing_revisions(br2)
782
Traceback (most recent call last):
783
DivergedBranches: These branches have diverged.
784
"""
785
self_history = self.revision_history()
786
self_len = len(self_history)
787
other_history = other.revision_history()
788
other_len = len(other_history)
789
common_index = min(self_len, other_len) -1
790
if common_index >= 0 and \
791
self_history[common_index] != other_history[common_index]:
792
raise DivergedBranches(self, other)
793
794
if stop_revision is None:
795
stop_revision = other_len
796
elif stop_revision > other_len:
797
raise NoSuchRevision(self, stop_revision)
798
799
return other_history[self_len:stop_revision]
800
801
802
def update_revisions(self, other, stop_revision=None):
803
"""Pull in all new revisions from other branch.
804
805
>>> from bzrlib.commit import commit
806
>>> bzrlib.trace.silent = True
807
>>> br1 = ScratchBranch(files=['foo', 'bar'])
808
>>> br1.add('foo')
809
>>> br1.add('bar')
810
>>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
811
>>> br2 = ScratchBranch()
812
>>> br2.update_revisions(br1)
813
Added 2 texts.
814
Added 1 inventories.
815
Added 1 revisions.
816
>>> br2.revision_history()
817
[u'REVISION-ID-1']
818
>>> br2.update_revisions(br1)
819
Added 0 texts.
820
Added 0 inventories.
821
Added 0 revisions.
822
>>> br1.text_store.total_size() == br2.text_store.total_size()
823
True
824
"""
825
from bzrlib.progress import ProgressBar
826
827
pb = ProgressBar()
828
829
pb.update('comparing histories')
830
revision_ids = self.missing_revisions(other, stop_revision)
831
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)
838
839
revisions = []
840
needed_texts = set()
841
i = 0
842
for rev_id in revision_ids:
843
i += 1
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:
850
continue
851
if entry.text_id not in self.text_store:
852
needed_texts.add(entry.text_id)
853
854
pb.clear()
855
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,
860
inventory_ids)
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,
864
revision_ids)
865
for revision_id in revision_ids:
866
self.append_revision(revision_id)
867
print "Added %d revisions." % count
868
869
870
def commit(self, *args, **kw):
871
from bzrlib.commit import commit
872
commit(self, *args, **kw)
873
874
875
def lookup_revision(self, revision):
876
"""Return the revision identifier for a given revision information."""
877
revno, info = self.get_revision_info(revision)
878
return info
879
880
def get_revision_info(self, revision):
881
"""Return (revno, revision id) for revision identifier.
882
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.
887
"""
888
if revision is None:
889
return 0, None
890
revno = None
891
try:# Convert to int if possible
892
revision = int(revision)
893
except ValueError:
894
pass
895
revs = self.revision_history()
896
if isinstance(revision, int):
897
if revision == 0:
898
return 0, None
899
# Mabye we should do this first, but we don't need it if revision == 0
900
if revision < 0:
901
revno = len(revs) + revision + 1
902
else:
903
revno = revision
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)
908
break
909
else:
910
raise BzrError('No namespace registered for string: %r' % revision)
911
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]
915
916
def _namespace_revno(self, revs, revision):
917
"""Lookup a revision by revision number"""
918
assert revision.startswith('revno:')
919
try:
920
return int(revision[6:])
921
except ValueError:
922
return None
923
REVISION_NAMESPACES['revno:'] = _namespace_revno
924
925
def _namespace_revid(self, revs, revision):
926
assert revision.startswith('revid:')
927
try:
928
return revs.index(revision[6:]) + 1
929
except ValueError:
930
return None
931
REVISION_NAMESPACES['revid:'] = _namespace_revid
932
933
def _namespace_last(self, revs, revision):
934
assert revision.startswith('last:')
935
try:
936
offset = int(revision[5:])
937
except ValueError:
938
return None
939
else:
940
if offset <= 0:
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
944
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
949
950
def _namespace_date(self, revs, revision):
951
assert revision.startswith('date:')
952
import datetime
953
# Spec for date revisions:
954
# date:value
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.
959
#
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
964
#
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
968
val = revision[5:]
969
match_style = '='
970
if val[:1] in ('+', '-', '='):
971
match_style = val[:1]
972
val = val[1:]
973
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':
978
dt = today
979
elif val.lower() == 'tomorrow':
980
dt = today + datetime.timedelta(days=1)
981
else:
982
import re
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))?'
986
r'(,|T)?\s*'
987
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
988
)
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)
992
993
if m.group('date'):
994
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
995
else:
996
year, month, day = today.year, today.month, today.day
997
if m.group('time'):
998
hour = int(m.group('hour'))
999
minute = int(m.group('minute'))
1000
if m.group('second'):
1001
second = int(m.group('second'))
1002
else:
1003
second = 0
1004
else:
1005
hour, minute, second = 0,0,0
1006
1007
dt = datetime.datetime(year=year, month=month, day=day,
1008
hour=hour, minute=minute, second=second)
1009
first = dt
1010
last = None
1011
reversed = False
1012
if match_style == '-':
1013
reversed = True
1014
elif match_style == '=':
1015
last = dt + datetime.timedelta(days=1)
1016
1017
if reversed:
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):
1023
return i+1
1024
else:
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):
1030
return i+1
1031
REVISION_NAMESPACES['date:'] = _namespace_date
721
722
723
def lookup_revision(self, revno):
724
"""Return revision hash for revision number."""
725
if revno == 0:
726
return None
727
728
try:
729
# list is 0-based; revisions are 1-based
730
return self.revision_history()[revno-1]
731
except IndexError:
732
raise BzrError("no such revision %s" % revno)
733
1032
734
1033
735
def revision_tree(self, revision_id):
1034
736
"""Return Tree for a revision on this branch.
1035
737
1036
738
`revision_id` may be None for the null revision, in which case
1037
739
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.
740
self._need_readlock()
1040
741
if revision_id == None:
1041
742
return EmptyTree()
1042
743
else:
1046
747
1047
748
def working_tree(self):
1048
749
"""Return a `Tree` for the working copy."""
1049
from workingtree import WorkingTree
1050
750
return WorkingTree(self.base, self.read_working_inventory())
1051
751
1052
752
1054
754
"""Return `Tree` object for last revision.
1055
755
1056
756
If there are no revisions yet, return an `EmptyTree`.
757
758
>>> b = ScratchBranch(files=['foo'])
759
>>> b.basis_tree().has_filename('foo')
760
False
761
>>> b.working_tree().has_filename('foo')
762
True
763
>>> b.add('foo')
764
>>> b.commit('add foo')
765
>>> b.basis_tree().has_filename('foo')
766
True
1057
767
"""
1058
768
r = self.last_patch()
1059
769
if r == None:
1068
778
1069
779
This can change the directory or the filename or both.
1070
780
"""
1071
self.lock_write()
781
self._need_writelock()
782
tree = self.working_tree()
783
inv = tree.inventory
784
if not tree.has_filename(from_rel):
785
bailout("can't rename: old working file %r does not exist" % from_rel)
786
if tree.has_filename(to_rel):
787
bailout("can't rename: new working file %r already exists" % to_rel)
788
789
file_id = inv.path2id(from_rel)
790
if file_id == None:
791
bailout("can't rename: old name %r is not versioned" % from_rel)
792
793
if inv.path2id(to_rel):
794
bailout("can't rename: new name %r is already versioned" % to_rel)
795
796
to_dir, to_tail = os.path.split(to_rel)
797
to_dir_id = inv.path2id(to_dir)
798
if to_dir_id == None and to_dir != '':
799
bailout("can't determine destination directory id for %r" % to_dir)
800
801
mutter("rename_one:")
802
mutter(" file_id {%s}" % file_id)
803
mutter(" from_rel %r" % from_rel)
804
mutter(" to_rel %r" % to_rel)
805
mutter(" to_dir %r" % to_dir)
806
mutter(" to_dir_id {%s}" % to_dir_id)
807
808
inv.rename(file_id, to_dir_id, to_tail)
809
810
print "%s => %s" % (from_rel, to_rel)
811
812
from_abs = self.abspath(from_rel)
813
to_abs = self.abspath(to_rel)
1072
814
try:
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)
1079
1080
file_id = inv.path2id(from_rel)
1081
if file_id == None:
1082
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
1083
1084
if inv.path2id(to_rel):
1085
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
1086
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)
1091
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)
1098
1099
inv.rename(file_id, to_dir_id, to_tail)
1100
1101
print "%s => %s" % (from_rel, to_rel)
1102
1103
from_abs = self.abspath(from_rel)
1104
to_abs = self.abspath(to_rel)
1105
try:
1106
os.rename(from_abs, to_abs)
1107
except OSError, e:
1108
raise BzrError("failed to rename %r to %r: %s"
1109
% (from_abs, to_abs, e[1]),
1110
["rename rolled back"])
1111
1112
self._write_inventory(inv)
1113
finally:
1114
self.unlock()
815
os.rename(from_abs, to_abs)
816
except OSError, e:
817
bailout("failed to rename %r to %r: %s"
818
% (from_abs, to_abs, e[1]),
819
["rename rolled back"])
820
821
self._write_inventory(inv)
822
1115
823
1116
824
1117
825
def move(self, from_paths, to_name):
1125
833
Note that to_name is only the last component of the new name;
1126
834
this doesn't change the directory.
1127
835
"""
1128
self.lock_write()
1129
try:
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)
1145
1146
to_idpath = inv.get_idpath(to_dir_id)
1147
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)
1152
if f_id == None:
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)
1160
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.
1164
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)
1170
try:
1171
os.rename(self.abspath(f), self.abspath(dest_path))
1172
except OSError, e:
1173
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
1174
["rename rolled back"])
1175
1176
self._write_inventory(inv)
1177
finally:
1178
self.unlock()
1179
1180
1181
def revert(self, filenames, old_tree=None, backups=True):
1182
"""Restore selected files to the versions from a previous tree.
1183
1184
backups
1185
If true (default) backups are made of files before
1186
they're renamed.
1187
"""
1188
from bzrlib.errors import NotVersionedError, BzrError
1189
from bzrlib.atomicfile import AtomicFile
1190
from bzrlib.osutils import backup_file
836
self._need_writelock()
837
## TODO: Option to move IDs only
838
assert not isinstance(from_paths, basestring)
839
tree = self.working_tree()
840
inv = tree.inventory
841
to_abs = self.abspath(to_name)
842
if not isdir(to_abs):
843
bailout("destination %r is not a directory" % to_abs)
844
if not tree.has_filename(to_name):
845
bailout("destination %r not in working directory" % to_abs)
846
to_dir_id = inv.path2id(to_name)
847
if to_dir_id == None and to_name != '':
848
bailout("destination %r is not a versioned directory" % to_name)
849
to_dir_ie = inv[to_dir_id]
850
if to_dir_ie.kind not in ('directory', 'root_directory'):
851
bailout("destination %r is not a directory" % to_abs)
852
853
to_idpath = Set(inv.get_idpath(to_dir_id))
854
855
for f in from_paths:
856
if not tree.has_filename(f):
857
bailout("%r does not exist in working tree" % f)
858
f_id = inv.path2id(f)
859
if f_id == None:
860
bailout("%r is not versioned" % f)
861
name_tail = splitpath(f)[-1]
862
dest_path = appendpath(to_name, name_tail)
863
if tree.has_filename(dest_path):
864
bailout("destination %r already exists" % dest_path)
865
if f_id in to_idpath:
866
bailout("can't move %r to a subdirectory of itself" % f)
867
868
# OK, so there's a race here, it's possible that someone will
869
# create a file in this interval and then the rename might be
870
# left half-done. But we should have caught most problems.
871
872
for f in from_paths:
873
name_tail = splitpath(f)[-1]
874
dest_path = appendpath(to_name, name_tail)
875
print "%s => %s" % (f, dest_path)
876
inv.rename(inv.path2id(f), to_dir_id, name_tail)
877
try:
878
os.rename(self.abspath(f), self.abspath(dest_path))
879
except OSError, e:
880
bailout("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
881
["rename rolled back"])
882
883
self._write_inventory(inv)
884
885
886
887
def show_status(self, show_all=False):
888
"""Display single-line status for non-ignored working files.
889
890
The list is show sorted in order by file name.
891
892
>>> b = ScratchBranch(files=['foo', 'foo~'])
893
>>> b.show_status()
894
? foo
895
>>> b.add('foo')
896
>>> b.show_status()
897
A foo
898
>>> b.commit("add foo")
899
>>> b.show_status()
900
>>> os.unlink(b.abspath('foo'))
901
>>> b.show_status()
902
D foo
1191
903
1192
inv = self.read_working_inventory()
1193
if old_tree is None:
1194
old_tree = self.basis_tree()
1195
old_inv = old_tree.inventory
1196
1197
nids = []
1198
for fn in filenames:
1199
file_id = inv.path2id(fn)
1200
if not file_id:
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))
1205
1206
# TODO: Rename back if it was previously at a different location
1207
1208
# TODO: If given a directory, restore the entire contents from
1209
# the previous version.
1210
1211
# TODO: Make a backup to a temporary file.
1212
1213
# TODO: If the file previously didn't exist, delete it?
1214
for fn, file_id in nids:
1215
backup_file(fn)
1216
1217
f = AtomicFile(fn, 'wb')
1218
try:
1219
f.write(old_tree.get_file(file_id).read())
1220
f.commit()
1221
finally:
1222
f.close()
1223
1224
1225
def pending_merges(self):
1226
"""Return a list of pending merges.
1227
1228
These are revisions that have been merged into the working
1229
directory but not yet committed.
904
TODO: Get state for single files.
1230
905
"""
1231
cfn = self.controlfilename('pending-merges')
1232
if not os.path.exists(cfn):
1233
return []
1234
p = []
1235
for l in self.controlfile('pending-merges', 'r').readlines():
1236
p.append(l.rstrip('\n'))
1237
return p
1238
1239
1240
def add_pending_merge(self, revision_id):
1241
from bzrlib.revision import validate_revision_id
1242
1243
validate_revision_id(revision_id)
1244
1245
p = self.pending_merges()
1246
if revision_id in p:
1247
return
1248
p.append(revision_id)
1249
self.set_pending_merges(p)
1250
1251
1252
def set_pending_merges(self, rev_list):
1253
from bzrlib.atomicfile import AtomicFile
1254
self.lock_write()
1255
try:
1256
f = AtomicFile(self.controlfilename('pending-merges'))
1257
try:
1258
for l in rev_list:
1259
print >>f, l
1260
f.commit()
1261
finally:
1262
f.close()
1263
finally:
1264
self.unlock()
1265
906
self._need_readlock()
907
908
# We have to build everything into a list first so that it can
909
# sorted by name, incorporating all the different sources.
910
911
# FIXME: Rather than getting things in random order and then sorting,
912
# just step through in order.
913
914
# Interesting case: the old ID for a file has been removed,
915
# but a new file has been created under that name.
916
917
old = self.basis_tree()
918
new = self.working_tree()
919
920
for fs, fid, oldname, newname, kind in diff_trees(old, new):
921
if fs == 'R':
922
show_status(fs, kind,
923
oldname + ' => ' + newname)
924
elif fs == 'A' or fs == 'M':
925
show_status(fs, kind, newname)
926
elif fs == 'D':
927
show_status(fs, kind, oldname)
928
elif fs == '.':
929
if show_all:
930
show_status(fs, kind, newname)
931
elif fs == 'I':
932
if show_all:
933
show_status(fs, kind, newname)
934
elif fs == '?':
935
show_status(fs, kind, newname)
936
else:
937
bailout("weird file state %r" % ((fs, fid),))
938
1266
939
1267
940
1268
941
class ScratchBranch(Branch):
1272
945
>>> isdir(b.base)
1273
946
True
1274
947
>>> bd = b.base
1275
>>> b.destroy()
948
>>> del b
1276
949
>>> isdir(bd)
1277
950
False
1278
951
"""
1279
def __init__(self, files=[], dirs=[], base=None):
952
def __init__(self, files=[], dirs=[]):
1280
953
"""Make a test branch.
1281
954
1282
955
This creates a temporary directory and runs init-tree in it.
1283
956
1284
957
If any files are listed, they are created in the working copy.
1285
958
"""
1286
from tempfile import mkdtemp
1287
init = False
1288
if base is None:
1289
base = mkdtemp()
1290
init = True
1291
Branch.__init__(self, base, init=init)
959
Branch.__init__(self, tempfile.mkdtemp(), init=True)
1292
960
for d in dirs:
1293
961
os.mkdir(self.abspath(d))
1294
962
1296
964
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
1297
965
1298
966
1299
def clone(self):
1300
"""
1301
>>> orig = ScratchBranch(files=["file1", "file2"])
1302
>>> clone = orig.clone()
1303
>>> os.path.samefile(orig.base, clone.base)
1304
False
1305
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1306
True
1307
"""
1308
from shutil import copytree
1309
from tempfile import mkdtemp
1310
base = mkdtemp()
1311
os.rmdir(base)
1312
copytree(self.base, base, symlinks=True)
1313
return ScratchBranch(base=base)
1314
1315
967
def __del__(self):
1316
self.destroy()
1317
1318
def destroy(self):
1319
968
"""Destroy the test branch, removing the scratch directory."""
1320
from shutil import rmtree
1321
969
try:
1322
if self.base:
1323
mutter("delete ScratchBranch %s" % self.base)
1324
rmtree(self.base)
1325
except OSError, e:
970
shutil.rmtree(self.base)
971
except OSError:
1326
972
# Work around for shutil.rmtree failing on Windows when
1327
973
# readonly files are encountered
1328
mutter("hit exception in destroying ScratchBranch: %s" % e)
1329
974
for root, dirs, files in os.walk(self.base, topdown=False):
1330
975
for name in files:
1331
976
os.chmod(os.path.join(root, name), 0700)
1332
rmtree(self.base)
1333
self.base = None
977
shutil.rmtree(self.base)
1334
978
1335
979
1336
980
1353
997
1354
998
1355
999
1000
def _gen_revision_id(when):
1001
"""Return new revision-id."""
1002
s = '%s-%s-' % (user_email(), compact_date(when))
1003
s += hexlify(rand_bytes(8))
1004
return s
1005
1006
1356
1007
def gen_file_id(name):
1357
1008
"""Return new file id.
1358
1009
1359
1010
This should probably generate proper UUIDs, but for the moment we
1360
1011
cope with just randomness because running uuidgen every time is
1361
1012
slow."""
1362
import re
1363
from binascii import hexlify
1364
from time import time
1365
1366
# get last component
1367
1013
idx = name.rfind('/')
1368
1014
if idx != -1:
1369
1015
name = name[idx+1 : ]
1371
1017
if idx != -1:
1372
1018
name = name[idx+1 : ]
1373
1019
1374
# make it not a hidden file
1375
1020
name = name.lstrip('.')
1376
1021
1377
# remove any wierd characters; we don't escape them but rather
1378
# just pull them out
1379
name = re.sub(r'[^\w.]', '', name)
1380
1381
1022
s = hexlify(rand_bytes(8))
1382
return '-'.join((name, compact_date(time()), s))
1383
1384
1385
def gen_root_id():
1386
"""Return a new tree-root file id."""
1387
return gen_file_id('TREE_ROOT')
1388
1023
return '-'.join((name, compact_date(time.time()), s))
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Version: 2.0.1