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- Committer: Martin Pool
- Date: 2005-05-24 21:18:02 UTC
- Revision ID: mbp@sourcefrog.net-20050524211802-87b146b2405e92d2
doc
- 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:
- contrib/bash/bzr.simple => contrib/bash/bzr
- 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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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.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 bailout, 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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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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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 bzrlib.errors.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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# XXX: move into bzrlib.errors; subclass BzrError
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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):
91
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'), \
240
"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 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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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:
148
lockfile = os.open(self.controlfilename('branch-lock'), om)
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except OSError, e:
150
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()
153
lockfile = os.open(self.controlfilename('branch-lock'), om)
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else:
155
raise e
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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 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."""
269
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):
193
bailout("path %r is not within branch %r" % (rp, self.base))
194
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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228
else:
301
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raise BzrError("invalid controlfile mode %r" % mode)
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def _make_control(self):
304
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',
315
'branch-lock',
316
'pending-merges'):
243
'branch-lock'):
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self.controlfile(f, 'w').write('')
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245
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
321
# them; they're not needed for now and so ommitted for
322
# simplicity.
323
f = self.controlfile('inventory','w')
324
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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258
# 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')
261
fmt.replace('\r\n', '')
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262
if fmt != BZR_BRANCH_FORMAT:
341
raise BzrError('sorry, branch format %r not supported' % fmt,
342
['use a different bzr version',
343
'or remove the .bzr directory and "bzr init" again'])
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345
def get_root_id(self):
346
"""Return the id of this branches root"""
347
inv = self.read_working_inventory()
348
return inv.root.file_id
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350
def set_root_id(self, file_id):
351
inv = self.read_working_inventory()
352
orig_root_id = inv.root.file_id
353
del inv._byid[inv.root.file_id]
354
inv.root.file_id = file_id
355
inv._byid[inv.root.file_id] = inv.root
356
for fid in inv:
357
entry = inv[fid]
358
if entry.parent_id in (None, orig_root_id):
359
entry.parent_id = inv.root.file_id
360
self._write_inventory(inv)
263
bailout('sorry, branch format %r not supported' % fmt,
264
['use a different bzr version',
265
'or remove the .bzr directory and "bzr init" again'])
266
361
267
362
268
def read_working_inventory(self):
363
269
"""Read the working inventory."""
364
from bzrlib.inventory import Inventory
365
self.lock_read()
366
try:
367
# ElementTree does its own conversion from UTF-8, so open in
368
# binary.
369
f = self.controlfile('inventory', 'rb')
370
return bzrlib.xml.serializer_v4.read_inventory(f)
371
finally:
372
self.unlock()
373
270
self._need_readlock()
271
before = time.time()
272
# ElementTree does its own conversion from UTF-8, so open in
273
# binary.
274
inv = Inventory.read_xml(self.controlfile('inventory', 'rb'))
275
mutter("loaded inventory of %d items in %f"
276
% (len(inv), time.time() - before))
277
return inv
278
374
279
375
280
def _write_inventory(self, inv):
376
281
"""Update the working inventory.
378
283
That is to say, the inventory describing changes underway, that
379
284
will be committed to the next revision.
380
285
"""
381
from bzrlib.atomicfile import AtomicFile
382
383
self.lock_write()
384
try:
385
f = AtomicFile(self.controlfilename('inventory'), 'wb')
386
try:
387
bzrlib.xml.serializer_v4.write_inventory(inv, f)
388
f.commit()
389
finally:
390
f.close()
391
finally:
392
self.unlock()
393
286
self._need_writelock()
287
## TODO: factor out to atomicfile? is rename safe on windows?
288
## TODO: Maybe some kind of clean/dirty marker on inventory?
289
tmpfname = self.controlfilename('inventory.tmp')
290
tmpf = file(tmpfname, 'wb')
291
inv.write_xml(tmpf)
292
tmpf.close()
293
inv_fname = self.controlfilename('inventory')
294
if sys.platform == 'win32':
295
os.remove(inv_fname)
296
os.rename(tmpfname, inv_fname)
394
297
mutter('wrote working inventory')
395
298
396
299
397
300
inventory = property(read_working_inventory, _write_inventory, None,
398
301
"""Inventory for the working copy.""")
399
302
400
303
401
def add(self, files, ids=None):
304
def add(self, files, verbose=False, ids=None):
402
305
"""Make files versioned.
403
306
404
Note that the command line normally calls smart_add instead,
405
which can automatically recurse.
307
Note that the command line normally calls smart_add instead.
406
308
407
309
This puts the files in the Added state, so that they will be
408
310
recorded by the next commit.
409
311
410
files
411
List of paths to add, relative to the base of the tree.
412
413
ids
414
If set, use these instead of automatically generated ids.
415
Must be the same length as the list of files, but may
416
contain None for ids that are to be autogenerated.
417
418
312
TODO: Perhaps have an option to add the ids even if the files do
419
not (yet) exist.
420
421
TODO: Perhaps yield the ids and paths as they're added.
313
not (yet) exist.
314
315
TODO: Perhaps return the ids of the files? But then again it
316
is easy to retrieve them if they're needed.
317
318
TODO: Option to specify file id.
319
320
TODO: Adding a directory should optionally recurse down and
321
add all non-ignored children. Perhaps do that in a
322
higher-level method.
422
323
"""
324
self._need_writelock()
325
423
326
# TODO: Re-adding a file that is removed in the working copy
424
327
# should probably put it back with the previous ID.
425
if isinstance(files, basestring):
426
assert(ids is None or isinstance(ids, basestring))
328
if isinstance(files, types.StringTypes):
329
assert(ids is None or isinstance(ids, types.StringTypes))
427
330
files = [files]
428
331
if ids is not None:
429
332
ids = [ids]
432
335
ids = [None] * len(files)
433
336
else:
434
337
assert(len(ids) == len(files))
435
436
self.lock_write()
437
try:
438
inv = self.read_working_inventory()
439
for f,file_id in zip(files, ids):
440
if is_control_file(f):
441
raise BzrError("cannot add control file %s" % quotefn(f))
442
443
fp = splitpath(f)
444
445
if len(fp) == 0:
446
raise BzrError("cannot add top-level %r" % f)
447
448
fullpath = os.path.normpath(self.abspath(f))
449
450
try:
451
kind = file_kind(fullpath)
452
except OSError:
453
# maybe something better?
454
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
455
456
if kind != 'file' and kind != 'directory':
457
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
458
459
if file_id is None:
460
file_id = gen_file_id(f)
461
inv.add_path(f, kind=kind, file_id=file_id)
462
463
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
464
465
self._write_inventory(inv)
466
finally:
467
self.unlock()
468
338
339
inv = self.read_working_inventory()
340
for f,file_id in zip(files, ids):
341
if is_control_file(f):
342
bailout("cannot add control file %s" % quotefn(f))
343
344
fp = splitpath(f)
345
346
if len(fp) == 0:
347
bailout("cannot add top-level %r" % f)
348
349
fullpath = os.path.normpath(self.abspath(f))
350
351
try:
352
kind = file_kind(fullpath)
353
except OSError:
354
# maybe something better?
355
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
356
357
if kind != 'file' and kind != 'directory':
358
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
359
360
if file_id is None:
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
469
371
470
372
def print_file(self, file, revno):
471
373
"""Print `file` to stdout."""
472
self.lock_read()
473
try:
474
tree = self.revision_tree(self.lookup_revision(revno))
475
# use inventory as it was in that revision
476
file_id = tree.inventory.path2id(file)
477
if not file_id:
478
raise BzrError("%r is not present in revision %s" % (file, revno))
479
tree.print_file(file_id)
480
finally:
481
self.unlock()
482
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
483
382
484
383
def remove(self, files, verbose=False):
485
384
"""Mark nominated files for removal from the inventory.
497
396
"""
498
397
## TODO: Normalize names
499
398
## TODO: Remove nested loops; better scalability
500
if isinstance(files, basestring):
399
self._need_writelock()
400
401
if isinstance(files, types.StringTypes):
501
402
files = [files]
502
503
self.lock_write()
504
505
try:
506
tree = self.working_tree()
507
inv = tree.inventory
508
509
# do this before any modifications
510
for f in files:
511
fid = inv.path2id(f)
512
if not fid:
513
raise BzrError("cannot remove unversioned file %s" % quotefn(f))
514
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
515
if verbose:
516
# having remove it, it must be either ignored or unknown
517
if tree.is_ignored(f):
518
new_status = 'I'
519
else:
520
new_status = '?'
521
show_status(new_status, inv[fid].kind, quotefn(f))
522
del inv[fid]
523
524
self._write_inventory(inv)
525
finally:
526
self.unlock()
527
528
529
# FIXME: this doesn't need to be a branch method
403
404
tree = self.working_tree()
405
inv = tree.inventory
406
407
# do this before any modifications
408
for f in files:
409
fid = inv.path2id(f)
410
if not fid:
411
bailout("cannot remove unversioned file %s" % quotefn(f))
412
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
413
if verbose:
414
# having remove it, it must be either ignored or unknown
415
if tree.is_ignored(f):
416
new_status = 'I'
417
else:
418
new_status = '?'
419
show_status(new_status, inv[fid].kind, quotefn(f))
420
del inv[fid]
421
422
self._write_inventory(inv)
423
530
424
def set_inventory(self, new_inventory_list):
531
from bzrlib.inventory import Inventory, InventoryEntry
532
inv = Inventory(self.get_root_id())
425
inv = Inventory()
533
426
for path, file_id, parent, kind in new_inventory_list:
534
427
name = os.path.basename(path)
535
428
if name == "":
557
450
return self.working_tree().unknowns()
558
451
559
452
560
def append_revision(self, *revision_ids):
561
from bzrlib.atomicfile import AtomicFile
562
563
for revision_id in revision_ids:
564
mutter("add {%s} to revision-history" % revision_id)
565
453
def append_revision(self, revision_id):
454
mutter("add {%s} to revision-history" % revision_id)
566
455
rev_history = self.revision_history()
567
rev_history.extend(revision_ids)
568
569
f = AtomicFile(self.controlfilename('revision-history'))
570
try:
571
for rev_id in rev_history:
572
print >>f, rev_id
573
f.commit()
574
finally:
575
f.close()
576
577
578
def get_revision_xml_file(self, revision_id):
579
"""Return XML file object for revision object."""
580
if not revision_id or not isinstance(revision_id, basestring):
581
raise InvalidRevisionId(revision_id)
582
583
self.lock_read()
584
try:
585
try:
586
return self.revision_store[revision_id]
587
except KeyError:
588
raise bzrlib.errors.NoSuchRevision(self, revision_id)
589
finally:
590
self.unlock()
591
592
593
#deprecated
594
get_revision_xml = get_revision_xml_file
456
457
tmprhname = self.controlfilename('revision-history.tmp')
458
rhname = self.controlfilename('revision-history')
459
460
f = file(tmprhname, 'wt')
461
rev_history.append(revision_id)
462
f.write('\n'.join(rev_history))
463
f.write('\n')
464
f.close()
465
466
if sys.platform == 'win32':
467
os.remove(rhname)
468
os.rename(tmprhname, rhname)
469
595
470
596
471
597
472
def get_revision(self, revision_id):
598
473
"""Return the Revision object for a named revision"""
599
xml_file = self.get_revision_xml_file(revision_id)
600
601
try:
602
r = bzrlib.xml.serializer_v4.read_revision(xml_file)
603
except SyntaxError, e:
604
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
605
[revision_id,
606
str(e)])
607
474
self._need_readlock()
475
r = Revision.read_xml(self.revision_store[revision_id])
608
476
assert r.revision_id == revision_id
609
477
return r
610
478
611
479
612
def get_revision_delta(self, revno):
613
"""Return the delta for one revision.
614
615
The delta is relative to its mainline predecessor, or the
616
empty tree for revision 1.
617
"""
618
assert isinstance(revno, int)
619
rh = self.revision_history()
620
if not (1 <= revno <= len(rh)):
621
raise InvalidRevisionNumber(revno)
622
623
# revno is 1-based; list is 0-based
624
625
new_tree = self.revision_tree(rh[revno-1])
626
if revno == 1:
627
old_tree = EmptyTree()
628
else:
629
old_tree = self.revision_tree(rh[revno-2])
630
631
return compare_trees(old_tree, new_tree)
632
633
634
635
def get_revision_sha1(self, revision_id):
636
"""Hash the stored value of a revision, and return it."""
637
# In the future, revision entries will be signed. At that
638
# point, it is probably best *not* to include the signature
639
# in the revision hash. Because that lets you re-sign
640
# the revision, (add signatures/remove signatures) and still
641
# have all hash pointers stay consistent.
642
# But for now, just hash the contents.
643
return bzrlib.osutils.sha_file(self.get_revision_xml(revision_id))
644
645
646
480
def get_inventory(self, inventory_id):
647
481
"""Get Inventory object by hash.
648
482
649
483
TODO: Perhaps for this and similar methods, take a revision
650
484
parameter which can be either an integer revno or a
651
485
string hash."""
652
from bzrlib.inventory import Inventory
653
654
f = self.get_inventory_xml_file(inventory_id)
655
return bzrlib.xml.serializer_v4.read_inventory(f)
656
657
658
def get_inventory_xml(self, inventory_id):
659
"""Get inventory XML as a file object."""
660
return self.inventory_store[inventory_id]
661
662
get_inventory_xml_file = get_inventory_xml
663
664
665
def get_inventory_sha1(self, inventory_id):
666
"""Return the sha1 hash of the inventory entry
667
"""
668
return sha_file(self.get_inventory_xml(inventory_id))
486
self._need_readlock()
487
i = Inventory.read_xml(self.inventory_store[inventory_id])
488
return i
669
489
670
490
671
491
def get_revision_inventory(self, revision_id):
672
492
"""Return inventory of a past revision."""
673
# bzr 0.0.6 imposes the constraint that the inventory_id
674
# must be the same as its revision, so this is trivial.
493
self._need_readlock()
675
494
if revision_id == None:
676
from bzrlib.inventory import Inventory
677
return Inventory(self.get_root_id())
495
return Inventory()
678
496
else:
679
return self.get_inventory(revision_id)
497
return self.get_inventory(self.get_revision(revision_id).inventory_id)
680
498
681
499
682
500
def revision_history(self):
685
503
>>> ScratchBranch().revision_history()
686
504
[]
687
505
"""
688
self.lock_read()
689
try:
690
return [l.rstrip('\r\n') for l in
691
self.controlfile('revision-history', 'r').readlines()]
692
finally:
693
self.unlock()
694
695
696
def common_ancestor(self, other, self_revno=None, other_revno=None):
697
"""
698
>>> import commit
699
>>> sb = ScratchBranch(files=['foo', 'foo~'])
700
>>> sb.common_ancestor(sb) == (None, None)
701
True
702
>>> commit.commit(sb, "Committing first revision", verbose=False)
703
>>> sb.common_ancestor(sb)[0]
704
1
705
>>> clone = sb.clone()
706
>>> commit.commit(sb, "Committing second revision", verbose=False)
707
>>> sb.common_ancestor(sb)[0]
708
2
709
>>> sb.common_ancestor(clone)[0]
710
1
711
>>> commit.commit(clone, "Committing divergent second revision",
712
... verbose=False)
713
>>> sb.common_ancestor(clone)[0]
714
1
715
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
716
True
717
>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
718
True
719
>>> clone2 = sb.clone()
720
>>> sb.common_ancestor(clone2)[0]
721
2
722
>>> sb.common_ancestor(clone2, self_revno=1)[0]
723
1
724
>>> sb.common_ancestor(clone2, other_revno=1)[0]
725
1
726
"""
727
my_history = self.revision_history()
728
other_history = other.revision_history()
729
if self_revno is None:
730
self_revno = len(my_history)
731
if other_revno is None:
732
other_revno = len(other_history)
733
indices = range(min((self_revno, other_revno)))
734
indices.reverse()
735
for r in indices:
736
if my_history[r] == other_history[r]:
737
return r+1, my_history[r]
738
return None, None
506
self._need_readlock()
507
return [l.rstrip('\r\n') for l in self.controlfile('revision-history', 'r').readlines()]
508
509
510
def enum_history(self, direction):
511
"""Return (revno, revision_id) for history of branch.
512
513
direction
514
'forward' is from earliest to latest
515
'reverse' is from latest to earliest
516
"""
517
rh = self.revision_history()
518
if direction == 'forward':
519
i = 1
520
for rid in rh:
521
yield i, rid
522
i += 1
523
elif direction == 'reverse':
524
i = len(rh)
525
while i > 0:
526
yield i, rh[i-1]
527
i -= 1
528
else:
529
raise ValueError('invalid history direction', direction)
739
530
740
531
741
532
def revno(self):
757
548
return None
758
549
759
550
760
def missing_revisions(self, other, stop_revision=None, diverged_ok=False):
761
"""
762
If self and other have not diverged, return a list of the revisions
763
present in other, but missing from self.
764
765
>>> from bzrlib.commit import commit
766
>>> bzrlib.trace.silent = True
767
>>> br1 = ScratchBranch()
768
>>> br2 = ScratchBranch()
769
>>> br1.missing_revisions(br2)
770
[]
771
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
772
>>> br1.missing_revisions(br2)
773
[u'REVISION-ID-1']
774
>>> br2.missing_revisions(br1)
775
[]
776
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
777
>>> br1.missing_revisions(br2)
778
[]
779
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
780
>>> br1.missing_revisions(br2)
781
[u'REVISION-ID-2A']
782
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
783
>>> br1.missing_revisions(br2)
784
Traceback (most recent call last):
785
DivergedBranches: These branches have diverged.
786
"""
787
self_history = self.revision_history()
788
self_len = len(self_history)
789
other_history = other.revision_history()
790
other_len = len(other_history)
791
common_index = min(self_len, other_len) -1
792
if common_index >= 0 and \
793
self_history[common_index] != other_history[common_index]:
794
raise DivergedBranches(self, other)
795
796
if stop_revision is None:
797
stop_revision = other_len
798
elif stop_revision > other_len:
799
raise bzrlib.errors.NoSuchRevision(self, stop_revision)
800
801
return other_history[self_len:stop_revision]
802
803
804
def update_revisions(self, other, stop_revision=None):
805
"""Pull in all new revisions from other branch.
806
"""
807
from bzrlib.fetch import greedy_fetch
808
from bzrlib.revision import get_intervening_revisions
809
810
pb = bzrlib.ui.ui_factory.progress_bar()
811
pb.update('comparing histories')
812
if stop_revision is None:
813
other_revision = other.last_patch()
814
else:
815
other_revision = other.lookup_revision(stop_revision)
816
count = greedy_fetch(self, other, other_revision, pb)[0]
817
try:
818
revision_ids = self.missing_revisions(other, stop_revision)
819
except DivergedBranches, e:
820
try:
821
revision_ids = get_intervening_revisions(self.last_patch(),
822
other_revision, self)
823
assert self.last_patch() not in revision_ids
824
except bzrlib.errors.NotAncestor:
825
raise e
826
827
self.append_revision(*revision_ids)
828
pb.clear()
829
830
def install_revisions(self, other, revision_ids, pb):
831
if hasattr(other.revision_store, "prefetch"):
832
other.revision_store.prefetch(revision_ids)
833
if hasattr(other.inventory_store, "prefetch"):
834
inventory_ids = []
835
for rev_id in revision_ids:
836
try:
837
revision = other.get_revision(rev_id).inventory_id
838
inventory_ids.append(revision)
839
except bzrlib.errors.NoSuchRevision:
840
pass
841
other.inventory_store.prefetch(inventory_ids)
842
843
if pb is None:
844
pb = bzrlib.ui.ui_factory.progress_bar()
845
846
revisions = []
847
needed_texts = set()
848
i = 0
849
850
failures = set()
851
for i, rev_id in enumerate(revision_ids):
852
pb.update('fetching revision', i+1, len(revision_ids))
853
try:
854
rev = other.get_revision(rev_id)
855
except bzrlib.errors.NoSuchRevision:
856
failures.add(rev_id)
857
continue
858
859
revisions.append(rev)
860
inv = other.get_inventory(str(rev.inventory_id))
861
for key, entry in inv.iter_entries():
862
if entry.text_id is None:
863
continue
864
if entry.text_id not in self.text_store:
865
needed_texts.add(entry.text_id)
866
867
pb.clear()
868
869
count, cp_fail = self.text_store.copy_multi(other.text_store,
870
needed_texts)
871
#print "Added %d texts." % count
872
inventory_ids = [ f.inventory_id for f in revisions ]
873
count, cp_fail = self.inventory_store.copy_multi(other.inventory_store,
874
inventory_ids)
875
#print "Added %d inventories." % count
876
revision_ids = [ f.revision_id for f in revisions]
877
878
count, cp_fail = self.revision_store.copy_multi(other.revision_store,
879
revision_ids,
880
permit_failure=True)
881
assert len(cp_fail) == 0
882
return count, failures
883
884
885
551
def commit(self, *args, **kw):
552
"""Deprecated"""
886
553
from bzrlib.commit import commit
887
554
commit(self, *args, **kw)
888
555
889
556
890
def lookup_revision(self, revision):
891
"""Return the revision identifier for a given revision information."""
892
revno, info = self._get_revision_info(revision)
893
return info
894
895
896
def revision_id_to_revno(self, revision_id):
897
"""Given a revision id, return its revno"""
898
history = self.revision_history()
899
try:
900
return history.index(revision_id) + 1
901
except ValueError:
902
raise bzrlib.errors.NoSuchRevision(self, revision_id)
903
904
905
def get_revision_info(self, revision):
906
"""Return (revno, revision id) for revision identifier.
907
908
revision can be an integer, in which case it is assumed to be revno (though
909
this will translate negative values into positive ones)
910
revision can also be a string, in which case it is parsed for something like
911
'date:' or 'revid:' etc.
912
"""
913
revno, rev_id = self._get_revision_info(revision)
914
if revno is None:
915
raise bzrlib.errors.NoSuchRevision(self, revision)
916
return revno, rev_id
917
918
def get_rev_id(self, revno, history=None):
919
"""Find the revision id of the specified revno."""
557
def lookup_revision(self, revno):
558
"""Return revision hash for revision number."""
920
559
if revno == 0:
921
560
return None
922
if history is None:
923
history = self.revision_history()
924
elif revno <= 0 or revno > len(history):
925
raise bzrlib.errors.NoSuchRevision(self, revno)
926
return history[revno - 1]
927
928
def _get_revision_info(self, revision):
929
"""Return (revno, revision id) for revision specifier.
930
931
revision can be an integer, in which case it is assumed to be revno
932
(though this will translate negative values into positive ones)
933
revision can also be a string, in which case it is parsed for something
934
like 'date:' or 'revid:' etc.
935
936
A revid is always returned. If it is None, the specifier referred to
937
the null revision. If the revid does not occur in the revision
938
history, revno will be None.
939
"""
940
941
if revision is None:
942
return 0, None
943
revno = None
944
try:# Convert to int if possible
945
revision = int(revision)
946
except ValueError:
947
pass
948
revs = self.revision_history()
949
if isinstance(revision, int):
950
if revision < 0:
951
revno = len(revs) + revision + 1
952
else:
953
revno = revision
954
rev_id = self.get_rev_id(revno, revs)
955
elif isinstance(revision, basestring):
956
for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
957
if revision.startswith(prefix):
958
result = func(self, revs, revision)
959
if len(result) > 1:
960
revno, rev_id = result
961
else:
962
revno = result[0]
963
rev_id = self.get_rev_id(revno, revs)
964
break
965
else:
966
raise BzrError('No namespace registered for string: %r' %
967
revision)
968
else:
969
raise TypeError('Unhandled revision type %s' % revision)
970
971
if revno is None:
972
if rev_id is None:
973
raise bzrlib.errors.NoSuchRevision(self, revision)
974
return revno, rev_id
975
976
def _namespace_revno(self, revs, revision):
977
"""Lookup a revision by revision number"""
978
assert revision.startswith('revno:')
979
try:
980
return (int(revision[6:]),)
981
except ValueError:
982
return None
983
REVISION_NAMESPACES['revno:'] = _namespace_revno
984
985
def _namespace_revid(self, revs, revision):
986
assert revision.startswith('revid:')
987
rev_id = revision[len('revid:'):]
988
try:
989
return revs.index(rev_id) + 1, rev_id
990
except ValueError:
991
return None, rev_id
992
REVISION_NAMESPACES['revid:'] = _namespace_revid
993
994
def _namespace_last(self, revs, revision):
995
assert revision.startswith('last:')
996
try:
997
offset = int(revision[5:])
998
except ValueError:
999
return (None,)
1000
else:
1001
if offset <= 0:
1002
raise BzrError('You must supply a positive value for --revision last:XXX')
1003
return (len(revs) - offset + 1,)
1004
REVISION_NAMESPACES['last:'] = _namespace_last
1005
1006
def _namespace_tag(self, revs, revision):
1007
assert revision.startswith('tag:')
1008
raise BzrError('tag: namespace registered, but not implemented.')
1009
REVISION_NAMESPACES['tag:'] = _namespace_tag
1010
1011
def _namespace_date(self, revs, revision):
1012
assert revision.startswith('date:')
1013
import datetime
1014
# Spec for date revisions:
1015
# date:value
1016
# value can be 'yesterday', 'today', 'tomorrow' or a YYYY-MM-DD string.
1017
# it can also start with a '+/-/='. '+' says match the first
1018
# entry after the given date. '-' is match the first entry before the date
1019
# '=' is match the first entry after, but still on the given date.
1020
#
1021
# +2005-05-12 says find the first matching entry after May 12th, 2005 at 0:00
1022
# -2005-05-12 says find the first matching entry before May 12th, 2005 at 0:00
1023
# =2005-05-12 says find the first match after May 12th, 2005 at 0:00 but before
1024
# May 13th, 2005 at 0:00
1025
#
1026
# So the proper way of saying 'give me all entries for today' is:
1027
# -r {date:+today}:{date:-tomorrow}
1028
# The default is '=' when not supplied
1029
val = revision[5:]
1030
match_style = '='
1031
if val[:1] in ('+', '-', '='):
1032
match_style = val[:1]
1033
val = val[1:]
1034
1035
today = datetime.datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
1036
if val.lower() == 'yesterday':
1037
dt = today - datetime.timedelta(days=1)
1038
elif val.lower() == 'today':
1039
dt = today
1040
elif val.lower() == 'tomorrow':
1041
dt = today + datetime.timedelta(days=1)
1042
else:
1043
import re
1044
# This should be done outside the function to avoid recompiling it.
1045
_date_re = re.compile(
1046
r'(?P<date>(?P<year>\d\d\d\d)-(?P<month>\d\d)-(?P<day>\d\d))?'
1047
r'(,|T)?\s*'
1048
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
1049
)
1050
m = _date_re.match(val)
1051
if not m or (not m.group('date') and not m.group('time')):
1052
raise BzrError('Invalid revision date %r' % revision)
1053
1054
if m.group('date'):
1055
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
1056
else:
1057
year, month, day = today.year, today.month, today.day
1058
if m.group('time'):
1059
hour = int(m.group('hour'))
1060
minute = int(m.group('minute'))
1061
if m.group('second'):
1062
second = int(m.group('second'))
1063
else:
1064
second = 0
1065
else:
1066
hour, minute, second = 0,0,0
1067
1068
dt = datetime.datetime(year=year, month=month, day=day,
1069
hour=hour, minute=minute, second=second)
1070
first = dt
1071
last = None
1072
reversed = False
1073
if match_style == '-':
1074
reversed = True
1075
elif match_style == '=':
1076
last = dt + datetime.timedelta(days=1)
1077
1078
if reversed:
1079
for i in range(len(revs)-1, -1, -1):
1080
r = self.get_revision(revs[i])
1081
# TODO: Handle timezone.
1082
dt = datetime.datetime.fromtimestamp(r.timestamp)
1083
if first >= dt and (last is None or dt >= last):
1084
return (i+1,)
1085
else:
1086
for i in range(len(revs)):
1087
r = self.get_revision(revs[i])
1088
# TODO: Handle timezone.
1089
dt = datetime.datetime.fromtimestamp(r.timestamp)
1090
if first <= dt and (last is None or dt <= last):
1091
return (i+1,)
1092
REVISION_NAMESPACES['date:'] = _namespace_date
1093
1094
1095
def _namespace_ancestor(self, revs, revision):
1096
from revision import common_ancestor, MultipleRevisionSources
1097
other_branch = find_branch(_trim_namespace('ancestor', revision))
1098
revision_a = self.last_patch()
1099
revision_b = other_branch.last_patch()
1100
for r, b in ((revision_a, self), (revision_b, other_branch)):
1101
if r is None:
1102
raise bzrlib.errors.NoCommits(b)
1103
revision_source = MultipleRevisionSources(self, other_branch)
1104
result = common_ancestor(revision_a, revision_b, revision_source)
1105
try:
1106
revno = self.revision_id_to_revno(result)
1107
except bzrlib.errors.NoSuchRevision:
1108
revno = None
1109
return revno,result
1110
1111
1112
REVISION_NAMESPACES['ancestor:'] = _namespace_ancestor
561
562
try:
563
# list is 0-based; revisions are 1-based
564
return self.revision_history()[revno-1]
565
except IndexError:
566
raise BzrError("no such revision %s" % revno)
567
1113
568
1114
569
def revision_tree(self, revision_id):
1115
570
"""Return Tree for a revision on this branch.
1118
573
an `EmptyTree` is returned."""
1119
574
# TODO: refactor this to use an existing revision object
1120
575
# so we don't need to read it in twice.
576
self._need_readlock()
1121
577
if revision_id == None:
1122
578
return EmptyTree()
1123
579
else:
1149
605
1150
606
This can change the directory or the filename or both.
1151
607
"""
1152
self.lock_write()
608
self._need_writelock()
609
tree = self.working_tree()
610
inv = tree.inventory
611
if not tree.has_filename(from_rel):
612
bailout("can't rename: old working file %r does not exist" % from_rel)
613
if tree.has_filename(to_rel):
614
bailout("can't rename: new working file %r already exists" % to_rel)
615
616
file_id = inv.path2id(from_rel)
617
if file_id == None:
618
bailout("can't rename: old name %r is not versioned" % from_rel)
619
620
if inv.path2id(to_rel):
621
bailout("can't rename: new name %r is already versioned" % to_rel)
622
623
to_dir, to_tail = os.path.split(to_rel)
624
to_dir_id = inv.path2id(to_dir)
625
if to_dir_id == None and to_dir != '':
626
bailout("can't determine destination directory id for %r" % to_dir)
627
628
mutter("rename_one:")
629
mutter(" file_id {%s}" % file_id)
630
mutter(" from_rel %r" % from_rel)
631
mutter(" to_rel %r" % to_rel)
632
mutter(" to_dir %r" % to_dir)
633
mutter(" to_dir_id {%s}" % to_dir_id)
634
635
inv.rename(file_id, to_dir_id, to_tail)
636
637
print "%s => %s" % (from_rel, to_rel)
638
639
from_abs = self.abspath(from_rel)
640
to_abs = self.abspath(to_rel)
1153
641
try:
1154
tree = self.working_tree()
1155
inv = tree.inventory
1156
if not tree.has_filename(from_rel):
1157
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
1158
if tree.has_filename(to_rel):
1159
raise BzrError("can't rename: new working file %r already exists" % to_rel)
1160
1161
file_id = inv.path2id(from_rel)
1162
if file_id == None:
1163
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
1164
1165
if inv.path2id(to_rel):
1166
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
1167
1168
to_dir, to_tail = os.path.split(to_rel)
1169
to_dir_id = inv.path2id(to_dir)
1170
if to_dir_id == None and to_dir != '':
1171
raise BzrError("can't determine destination directory id for %r" % to_dir)
1172
1173
mutter("rename_one:")
1174
mutter(" file_id {%s}" % file_id)
1175
mutter(" from_rel %r" % from_rel)
1176
mutter(" to_rel %r" % to_rel)
1177
mutter(" to_dir %r" % to_dir)
1178
mutter(" to_dir_id {%s}" % to_dir_id)
1179
1180
inv.rename(file_id, to_dir_id, to_tail)
1181
1182
from_abs = self.abspath(from_rel)
1183
to_abs = self.abspath(to_rel)
1184
try:
1185
os.rename(from_abs, to_abs)
1186
except OSError, e:
1187
raise BzrError("failed to rename %r to %r: %s"
1188
% (from_abs, to_abs, e[1]),
1189
["rename rolled back"])
1190
1191
self._write_inventory(inv)
1192
finally:
1193
self.unlock()
642
os.rename(from_abs, to_abs)
643
except OSError, e:
644
bailout("failed to rename %r to %r: %s"
645
% (from_abs, to_abs, e[1]),
646
["rename rolled back"])
647
648
self._write_inventory(inv)
649
1194
650
1195
651
1196
652
def move(self, from_paths, to_name):
1203
659
1204
660
Note that to_name is only the last component of the new name;
1205
661
this doesn't change the directory.
1206
1207
This returns a list of (from_path, to_path) pairs for each
1208
entry that is moved.
1209
"""
1210
result = []
1211
self.lock_write()
1212
try:
1213
## TODO: Option to move IDs only
1214
assert not isinstance(from_paths, basestring)
1215
tree = self.working_tree()
1216
inv = tree.inventory
1217
to_abs = self.abspath(to_name)
1218
if not isdir(to_abs):
1219
raise BzrError("destination %r is not a directory" % to_abs)
1220
if not tree.has_filename(to_name):
1221
raise BzrError("destination %r not in working directory" % to_abs)
1222
to_dir_id = inv.path2id(to_name)
1223
if to_dir_id == None and to_name != '':
1224
raise BzrError("destination %r is not a versioned directory" % to_name)
1225
to_dir_ie = inv[to_dir_id]
1226
if to_dir_ie.kind not in ('directory', 'root_directory'):
1227
raise BzrError("destination %r is not a directory" % to_abs)
1228
1229
to_idpath = inv.get_idpath(to_dir_id)
1230
1231
for f in from_paths:
1232
if not tree.has_filename(f):
1233
raise BzrError("%r does not exist in working tree" % f)
1234
f_id = inv.path2id(f)
1235
if f_id == None:
1236
raise BzrError("%r is not versioned" % f)
1237
name_tail = splitpath(f)[-1]
1238
dest_path = appendpath(to_name, name_tail)
1239
if tree.has_filename(dest_path):
1240
raise BzrError("destination %r already exists" % dest_path)
1241
if f_id in to_idpath:
1242
raise BzrError("can't move %r to a subdirectory of itself" % f)
1243
1244
# OK, so there's a race here, it's possible that someone will
1245
# create a file in this interval and then the rename might be
1246
# left half-done. But we should have caught most problems.
1247
1248
for f in from_paths:
1249
name_tail = splitpath(f)[-1]
1250
dest_path = appendpath(to_name, name_tail)
1251
result.append((f, dest_path))
1252
inv.rename(inv.path2id(f), to_dir_id, name_tail)
1253
try:
1254
os.rename(self.abspath(f), self.abspath(dest_path))
1255
except OSError, e:
1256
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
1257
["rename rolled back"])
1258
1259
self._write_inventory(inv)
1260
finally:
1261
self.unlock()
1262
1263
return result
1264
1265
1266
def revert(self, filenames, old_tree=None, backups=True):
1267
"""Restore selected files to the versions from a previous tree.
1268
1269
backups
1270
If true (default) backups are made of files before
1271
they're renamed.
1272
"""
1273
from bzrlib.errors import NotVersionedError, BzrError
1274
from bzrlib.atomicfile import AtomicFile
1275
from bzrlib.osutils import backup_file
1276
1277
inv = self.read_working_inventory()
1278
if old_tree is None:
1279
old_tree = self.basis_tree()
1280
old_inv = old_tree.inventory
1281
1282
nids = []
1283
for fn in filenames:
1284
file_id = inv.path2id(fn)
1285
if not file_id:
1286
raise NotVersionedError("not a versioned file", fn)
1287
if not old_inv.has_id(file_id):
1288
raise BzrError("file not present in old tree", fn, file_id)
1289
nids.append((fn, file_id))
1290
1291
# TODO: Rename back if it was previously at a different location
1292
1293
# TODO: If given a directory, restore the entire contents from
1294
# the previous version.
1295
1296
# TODO: Make a backup to a temporary file.
1297
1298
# TODO: If the file previously didn't exist, delete it?
1299
for fn, file_id in nids:
1300
backup_file(fn)
1301
1302
f = AtomicFile(fn, 'wb')
1303
try:
1304
f.write(old_tree.get_file(file_id).read())
1305
f.commit()
1306
finally:
1307
f.close()
1308
1309
1310
def pending_merges(self):
1311
"""Return a list of pending merges.
1312
1313
These are revisions that have been merged into the working
1314
directory but not yet committed.
1315
"""
1316
cfn = self.controlfilename('pending-merges')
1317
if not os.path.exists(cfn):
1318
return []
1319
p = []
1320
for l in self.controlfile('pending-merges', 'r').readlines():
1321
p.append(l.rstrip('\n'))
1322
return p
1323
1324
1325
def add_pending_merge(self, revision_id):
1326
from bzrlib.revision import validate_revision_id
1327
1328
validate_revision_id(revision_id)
1329
1330
p = self.pending_merges()
1331
if revision_id in p:
1332
return
1333
p.append(revision_id)
1334
self.set_pending_merges(p)
1335
1336
1337
def set_pending_merges(self, rev_list):
1338
from bzrlib.atomicfile import AtomicFile
1339
self.lock_write()
1340
try:
1341
f = AtomicFile(self.controlfilename('pending-merges'))
1342
try:
1343
for l in rev_list:
1344
print >>f, l
1345
f.commit()
1346
finally:
1347
f.close()
1348
finally:
1349
self.unlock()
1350
1351
1352
def get_parent(self):
1353
"""Return the parent location of the branch.
1354
1355
This is the default location for push/pull/missing. The usual
1356
pattern is that the user can override it by specifying a
1357
location.
1358
"""
1359
import errno
1360
_locs = ['parent', 'pull', 'x-pull']
1361
for l in _locs:
1362
try:
1363
return self.controlfile(l, 'r').read().strip('\n')
1364
except IOError, e:
1365
if e.errno != errno.ENOENT:
1366
raise
1367
return None
1368
1369
1370
def set_parent(self, url):
1371
# TODO: Maybe delete old location files?
1372
from bzrlib.atomicfile import AtomicFile
1373
self.lock_write()
1374
try:
1375
f = AtomicFile(self.controlfilename('parent'))
1376
try:
1377
f.write(url + '\n')
1378
f.commit()
1379
finally:
1380
f.close()
1381
finally:
1382
self.unlock()
1383
1384
def check_revno(self, revno):
1385
"""\
1386
Check whether a revno corresponds to any revision.
1387
Zero (the NULL revision) is considered valid.
1388
"""
1389
if revno != 0:
1390
self.check_real_revno(revno)
1391
1392
def check_real_revno(self, revno):
1393
"""\
1394
Check whether a revno corresponds to a real revision.
1395
Zero (the NULL revision) is considered invalid
1396
"""
1397
if revno < 1 or revno > self.revno():
1398
raise InvalidRevisionNumber(revno)
1399
1400
662
"""
663
self._need_writelock()
664
## TODO: Option to move IDs only
665
assert not isinstance(from_paths, basestring)
666
tree = self.working_tree()
667
inv = tree.inventory
668
to_abs = self.abspath(to_name)
669
if not isdir(to_abs):
670
bailout("destination %r is not a directory" % to_abs)
671
if not tree.has_filename(to_name):
672
bailout("destination %r not in working directory" % to_abs)
673
to_dir_id = inv.path2id(to_name)
674
if to_dir_id == None and to_name != '':
675
bailout("destination %r is not a versioned directory" % to_name)
676
to_dir_ie = inv[to_dir_id]
677
if to_dir_ie.kind not in ('directory', 'root_directory'):
678
bailout("destination %r is not a directory" % to_abs)
679
680
to_idpath = inv.get_idpath(to_dir_id)
681
682
for f in from_paths:
683
if not tree.has_filename(f):
684
bailout("%r does not exist in working tree" % f)
685
f_id = inv.path2id(f)
686
if f_id == None:
687
bailout("%r is not versioned" % f)
688
name_tail = splitpath(f)[-1]
689
dest_path = appendpath(to_name, name_tail)
690
if tree.has_filename(dest_path):
691
bailout("destination %r already exists" % dest_path)
692
if f_id in to_idpath:
693
bailout("can't move %r to a subdirectory of itself" % f)
694
695
# OK, so there's a race here, it's possible that someone will
696
# create a file in this interval and then the rename might be
697
# left half-done. But we should have caught most problems.
698
699
for f in from_paths:
700
name_tail = splitpath(f)[-1]
701
dest_path = appendpath(to_name, name_tail)
702
print "%s => %s" % (f, dest_path)
703
inv.rename(inv.path2id(f), to_dir_id, name_tail)
704
try:
705
os.rename(self.abspath(f), self.abspath(dest_path))
706
except OSError, e:
707
bailout("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
708
["rename rolled back"])
709
710
self._write_inventory(inv)
711
712
1401
713
1402
714
1403
715
class ScratchBranch(Branch):
1411
723
>>> isdir(bd)
1412
724
False
1413
725
"""
1414
def __init__(self, files=[], dirs=[], base=None):
726
def __init__(self, files=[], dirs=[]):
1415
727
"""Make a test branch.
1416
728
1417
729
This creates a temporary directory and runs init-tree in it.
1418
730
1419
731
If any files are listed, they are created in the working copy.
1420
732
"""
1421
from tempfile import mkdtemp
1422
init = False
1423
if base is None:
1424
base = mkdtemp()
1425
init = True
1426
Branch.__init__(self, base, init=init)
733
Branch.__init__(self, tempfile.mkdtemp(), init=True)
1427
734
for d in dirs:
1428
735
os.mkdir(self.abspath(d))
1429
736
1431
738
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
1432
739
1433
740
1434
def clone(self):
1435
"""
1436
>>> orig = ScratchBranch(files=["file1", "file2"])
1437
>>> clone = orig.clone()
1438
>>> os.path.samefile(orig.base, clone.base)
1439
False
1440
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1441
True
1442
"""
1443
from shutil import copytree
1444
from tempfile import mkdtemp
1445
base = mkdtemp()
1446
os.rmdir(base)
1447
copytree(self.base, base, symlinks=True)
1448
return ScratchBranch(base=base)
1449
1450
1451
1452
741
def __del__(self):
1453
742
self.destroy()
1454
743
1455
744
def destroy(self):
1456
745
"""Destroy the test branch, removing the scratch directory."""
1457
from shutil import rmtree
1458
746
try:
1459
if self.base:
1460
mutter("delete ScratchBranch %s" % self.base)
1461
rmtree(self.base)
747
mutter("delete ScratchBranch %s" % self.base)
748
shutil.rmtree(self.base)
1462
749
except OSError, e:
1463
750
# Work around for shutil.rmtree failing on Windows when
1464
751
# readonly files are encountered
1466
753
for root, dirs, files in os.walk(self.base, topdown=False):
1467
754
for name in files:
1468
755
os.chmod(os.path.join(root, name), 0700)
1469
rmtree(self.base)
756
shutil.rmtree(self.base)
1470
757
self.base = None
1471
758
1472
759
1497
784
cope with just randomness because running uuidgen every time is
1498
785
slow."""
1499
786
import re
1500
from binascii import hexlify
1501
from time import time
1502
787
1503
788
# get last component
1504
789
idx = name.rfind('/')
1516
801
name = re.sub(r'[^\w.]', '', name)
1517
802
1518
803
s = hexlify(rand_bytes(8))
1519
return '-'.join((name, compact_date(time()), s))
1520
1521
1522
def gen_root_id():
1523
"""Return a new tree-root file id."""
1524
return gen_file_id('TREE_ROOT')
1525
1526
1527
def pull_loc(branch):
1528
# TODO: Should perhaps just make attribute be 'base' in
1529
# RemoteBranch and Branch?
1530
if hasattr(branch, "baseurl"):
1531
return branch.baseurl
1532
else:
1533
return branch.base
1534
1535
1536
def copy_branch(branch_from, to_location, revision=None):
1537
"""Copy branch_from into the existing directory to_location.
1538
1539
revision
1540
If not None, only revisions up to this point will be copied.
1541
The head of the new branch will be that revision.
1542
1543
to_location
1544
The name of a local directory that exists but is empty.
1545
"""
1546
from bzrlib.merge import merge
1547
from bzrlib.branch import Branch
1548
1549
assert isinstance(branch_from, Branch)
1550
assert isinstance(to_location, basestring)
1551
1552
br_to = Branch(to_location, init=True)
1553
br_to.set_root_id(branch_from.get_root_id())
1554
if revision is None:
1555
revno = branch_from.revno()
1556
else:
1557
revno, rev_id = branch_from.get_revision_info(revision)
1558
br_to.update_revisions(branch_from, stop_revision=revno)
1559
merge((to_location, -1), (to_location, 0), this_dir=to_location,
1560
check_clean=False, ignore_zero=True)
1561
1562
from_location = pull_loc(branch_from)
1563
br_to.set_parent(pull_loc(branch_from))
1564
return br_to
1565
1566
def _trim_namespace(namespace, spec):
1567
full_namespace = namespace + ':'
1568
assert spec.startswith(full_namespace)
1569
return spec[len(full_namespace):]
804
return '-'.join((name, compact_date(time.time()), s))
Loggerhead is a web-based interface for Breezy
Version: 2.0.1