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- Committer: Martin Pool
- Date: 2005-06-28 05:33:40 UTC
- Revision ID: mbp@sourcefrog.net-20050628053340-ea73b03fbcde9c46
- Remove XMLMixin class in favour of simple pack_xml, unpack_xml functions
called as needed.
- Avoid importing xml and ElementTree library unless needed.
called as needed.
- Avoid importing xml and ElementTree library unless needed.
- files added:
- TODO
- bzrlib/selftest
- contrib
- contrib/bash
- contrib/zsh
- effbot
- effbot/org
- patches
- plugins
- plugins/changeset
- plugins/rsync
- files removed:
- bzrlib/tests.py
- 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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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 sys, os
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import bzrlib
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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, chomp, \
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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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from bzrlib.trace import mutter, note
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from bzrlib.osutils import isdir, quotefn, compact_date, rand_bytes, splitpath, \
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sha_file, appendpath, file_kind
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from bzrlib.errors import BzrError
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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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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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class NoSuchRevision(BzrError):
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def __init__(self, branch, revision):
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self.branch = branch
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self.revision = revision
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msg = "Branch %s has no revision %d" % (branch, revision)
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BzrError.__init__(self, msg)
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######################################################################
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# branch objects
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class Branch:
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class Branch(object):
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"""Branch holding a history of revisions.
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:todo: Perhaps use different stores for different classes of object,
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so that we can keep track of how much space each one uses,
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or garbage-collect them.
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:todo: Add a RemoteBranch subclass. For the basic case of read-only
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HTTP access this should be very easy by,
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just redirecting controlfile access into HTTP requests.
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We would need a RemoteStore working similarly.
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:todo: Keep the on-disk branch locked while the object exists.
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:todo: mkdir() method.
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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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def __init__(self, base, init=False, find_root=True):
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"""Create new branch object at a particular location.
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:param base: Base directory for the branch.
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base -- Base directory for the branch.
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:param init: If True, create new control files in a previously
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init -- If True, create new control files in a previously
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unversioned directory. If False, the branch must already
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be versioned.
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:param find_root: If true and init is false, find the root of the
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find_root -- If true and init is false, find the root of the
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existing branch containing base.
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In the test suite, creation of new trees is tested using the
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`ScratchBranch` class.
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"""
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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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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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from errors import NotBranchError
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raise NotBranchError("not a bzr branch: %s" % quotefn(base),
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['use "bzr init" to initialize a new working tree',
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'current bzr can only operate from top-of-tree'])
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self._check_format()
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self.text_store = ImmutableStore(self.controlfilename('text-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 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 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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"""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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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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return _relpath(self.base, path)
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def controlfilename(self, file_or_path):
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"""Return location relative to branch."""
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if isinstance(file_or_path, types.StringTypes):
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if isinstance(file_or_path, basestring):
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file_or_path = [file_or_path]
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return os.path.join(self.base, bzrlib.BZRDIR, *file_or_path)
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def controlfile(self, file_or_path, mode='r'):
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"""Open a control file for this branch"""
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return file(self.controlfilename(file_or_path), mode)
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"""Open a control file for this branch.
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There are two classes of file in the control directory: text
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and binary. binary files are untranslated byte streams. Text
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control files are stored with Unix newlines and in UTF-8, even
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if the platform or locale defaults are different.
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Controlfiles should almost never be opened in write mode but
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rather should be atomically copied and replaced using atomicfile.
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"""
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fn = self.controlfilename(file_or_path)
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if mode == 'rb' or mode == 'wb':
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return file(fn, mode)
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elif mode == 'r' or mode == 'w':
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# open in binary mode anyhow so there's no newline translation;
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# codecs uses line buffering by default; don't want that.
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import codecs
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return codecs.open(fn, mode + 'b', 'utf-8',
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buffering=60000)
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else:
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raise BzrError("invalid controlfile mode %r" % mode)
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def _make_control(self):
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from bzrlib.inventory import Inventory
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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.")
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self.controlfile('branch-format', 'wb').write(BZR_BRANCH_FORMAT)
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"Do not change any files in this directory.\n")
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self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT)
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for d in ('text-store', 'inventory-store', 'revision-store'):
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os.mkdir(self.controlfilename(d))
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for f in ('revision-history', 'merged-patches',
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'pending-merged-patches', 'branch-name'):
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'pending-merged-patches', 'branch-name',
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'branch-lock'):
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self.controlfile(f, 'w').write('')
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mutter('created control directory in ' + self.base)
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Inventory().write_xml(self.controlfile('inventory','w'))
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pack_xml(Inventory(), self.controlfile('inventory','w'))
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def _check_format(self):
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# This ignores newlines so that we can open branches created
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# on Windows from Linux and so on. I think it might be better
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# to always make all internal files in unix format.
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fmt = self.controlfile('branch-format', 'rb').read()
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fmt = self.controlfile('branch-format', 'r').read()
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fmt.replace('\r\n', '')
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if fmt != BZR_BRANCH_FORMAT:
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bailout('sorry, branch format %r not supported' % fmt,
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['use a different bzr version',
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'or remove the .bzr directory and "bzr init" again'])
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raise BzrError('sorry, branch format %r not supported' % fmt,
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['use a different bzr version',
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'or remove the .bzr directory and "bzr init" again'])
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def read_working_inventory(self):
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"""Read the working inventory."""
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before = time.time()
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inv = Inventory.read_xml(self.controlfile('inventory', 'r'))
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mutter("loaded inventory of %d items in %f"
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% (len(inv), time.time() - before))
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return inv
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from bzrlib.inventory import Inventory
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from bzrlib.xml import unpack_xml
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from time import time
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before = time()
338
self.lock_read()
339
try:
340
# ElementTree does its own conversion from UTF-8, so open in
341
# binary.
342
inv = unpack_xml(Inventory,
343
self.controlfile('inventory', 'rb'))
344
mutter("loaded inventory of %d items in %f"
345
% (len(inv), time() - before))
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return inv
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finally:
348
self.unlock()
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def _write_inventory(self, inv):
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"""Update the working inventory.
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That is to say, the inventory describing changes underway, that
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will be committed to the next revision.
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"""
208
## TODO: factor out to atomicfile? is rename safe on windows?
209
## TODO: Maybe some kind of clean/dirty marker on inventory?
210
tmpfname = self.controlfilename('inventory.tmp')
211
tmpf = file(tmpfname, 'w')
212
inv.write_xml(tmpf)
213
tmpf.close()
214
inv_fname = self.controlfilename('inventory')
215
if sys.platform == 'win32':
216
os.remove(inv_fname)
217
os.rename(tmpfname, inv_fname)
357
from bzrlib.atomicfile import AtomicFile
358
from bzrlib.xml import pack_xml
359
360
self.lock_write()
361
try:
362
f = AtomicFile(self.controlfilename('inventory'), 'wb')
363
try:
364
pack_xml(inv, f)
365
f.commit()
366
finally:
367
f.close()
368
finally:
369
self.unlock()
370
218
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mutter('wrote working inventory')
219
372
220
373
221
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inventory = property(read_working_inventory, _write_inventory, None,
222
375
"""Inventory for the working copy.""")
223
376
224
377
225
def add(self, files, verbose=False):
378
def add(self, files, verbose=False, ids=None):
226
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"""Make files versioned.
227
380
381
Note that the command line normally calls smart_add instead.
382
228
383
This puts the files in the Added state, so that they will be
229
384
recorded by the next commit.
230
385
231
:todo: Perhaps have an option to add the ids even if the files do
232
not (yet) exist.
233
234
:todo: Perhaps return the ids of the files? But then again it
235
is easy to retrieve them if they're needed.
236
237
:todo: Option to specify file id.
238
239
:todo: Adding a directory should optionally recurse down and
240
add all non-ignored children. Perhaps do that in a
241
higher-level method.
242
243
>>> b = ScratchBranch(files=['foo'])
244
>>> 'foo' in b.unknowns()
245
True
246
>>> b.show_status()
247
? foo
248
>>> b.add('foo')
249
>>> 'foo' in b.unknowns()
250
False
251
>>> bool(b.inventory.path2id('foo'))
252
True
253
>>> b.show_status()
254
A foo
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>>> b.add('foo')
257
Traceback (most recent call last):
258
...
259
BzrError: ('foo is already versioned', [])
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261
>>> b.add(['nothere'])
262
Traceback (most recent call last):
263
BzrError: ('cannot add: not a regular file or directory: nothere', [])
386
files
387
List of paths to add, relative to the base of the tree.
388
389
ids
390
If set, use these instead of automatically generated ids.
391
Must be the same length as the list of files, but may
392
contain None for ids that are to be autogenerated.
393
394
TODO: Perhaps have an option to add the ids even if the files do
395
not (yet) exist.
396
397
TODO: Perhaps return the ids of the files? But then again it
398
is easy to retrieve them if they're needed.
399
400
TODO: Adding a directory should optionally recurse down and
401
add all non-ignored children. Perhaps do that in a
402
higher-level method.
264
403
"""
265
404
from bzrlib.textui import show_status
266
405
# TODO: Re-adding a file that is removed in the working copy
267
406
# should probably put it back with the previous ID.
268
if isinstance(files, types.StringTypes):
407
if isinstance(files, basestring):
408
assert(ids is None or isinstance(ids, basestring))
269
409
files = [files]
270
271
inv = self.read_working_inventory()
272
for f in files:
273
if is_control_file(f):
274
bailout("cannot add control file %s" % quotefn(f))
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fp = splitpath(f)
277
278
if len(fp) == 0:
279
bailout("cannot add top-level %r" % f)
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281
fullpath = os.path.normpath(self.abspath(f))
282
283
try:
284
kind = file_kind(fullpath)
285
except OSError:
286
# maybe something better?
287
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
288
289
if kind != 'file' and kind != 'directory':
290
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
291
292
file_id = gen_file_id(f)
293
inv.add_path(f, kind=kind, file_id=file_id)
294
295
if verbose:
296
show_status('A', kind, quotefn(f))
297
298
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
299
300
self._write_inventory(inv)
301
410
if ids is not None:
411
ids = [ids]
412
413
if ids is None:
414
ids = [None] * len(files)
415
else:
416
assert(len(ids) == len(files))
417
418
self.lock_write()
419
try:
420
inv = self.read_working_inventory()
421
for f,file_id in zip(files, ids):
422
if is_control_file(f):
423
raise BzrError("cannot add control file %s" % quotefn(f))
424
425
fp = splitpath(f)
426
427
if len(fp) == 0:
428
raise BzrError("cannot add top-level %r" % f)
429
430
fullpath = os.path.normpath(self.abspath(f))
431
432
try:
433
kind = file_kind(fullpath)
434
except OSError:
435
# maybe something better?
436
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
437
438
if kind != 'file' and kind != 'directory':
439
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
440
441
if file_id is None:
442
file_id = gen_file_id(f)
443
inv.add_path(f, kind=kind, file_id=file_id)
444
445
if verbose:
446
print 'added', quotefn(f)
447
448
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
449
450
self._write_inventory(inv)
451
finally:
452
self.unlock()
453
302
454
303
455
def print_file(self, file, revno):
304
456
"""Print `file` to stdout."""
305
tree = self.revision_tree(self.lookup_revision(revno))
306
# use inventory as it was in that revision
307
file_id = tree.inventory.path2id(file)
308
if not file_id:
309
bailout("%r is not present in revision %d" % (file, revno))
310
tree.print_file(file_id)
311
457
self.lock_read()
458
try:
459
tree = self.revision_tree(self.lookup_revision(revno))
460
# use inventory as it was in that revision
461
file_id = tree.inventory.path2id(file)
462
if not file_id:
463
raise BzrError("%r is not present in revision %d" % (file, revno))
464
tree.print_file(file_id)
465
finally:
466
self.unlock()
467
312
468
313
469
def remove(self, files, verbose=False):
314
470
"""Mark nominated files for removal from the inventory.
315
471
316
472
This does not remove their text. This does not run on
317
473
318
:todo: Refuse to remove modified files unless --force is given?
319
320
>>> b = ScratchBranch(files=['foo'])
321
>>> b.add('foo')
322
>>> b.inventory.has_filename('foo')
323
True
324
>>> b.remove('foo')
325
>>> b.working_tree().has_filename('foo')
326
True
327
>>> b.inventory.has_filename('foo')
328
False
329
330
>>> b = ScratchBranch(files=['foo'])
331
>>> b.add('foo')
332
>>> b.commit('one')
333
>>> b.remove('foo')
334
>>> b.commit('two')
335
>>> b.inventory.has_filename('foo')
336
False
337
>>> b.basis_tree().has_filename('foo')
338
False
339
>>> b.working_tree().has_filename('foo')
340
True
341
342
:todo: Do something useful with directories.
343
344
:todo: Should this remove the text or not? Tough call; not
474
TODO: Refuse to remove modified files unless --force is given?
475
476
TODO: Do something useful with directories.
477
478
TODO: Should this remove the text or not? Tough call; not
345
479
removing may be useful and the user can just use use rm, and
346
480
is the opposite of add. Removing it is consistent with most
347
481
other tools. Maybe an option.
348
482
"""
483
from bzrlib.textui import show_status
349
484
## TODO: Normalize names
350
485
## TODO: Remove nested loops; better scalability
351
352
if isinstance(files, types.StringTypes):
486
if isinstance(files, basestring):
353
487
files = [files]
354
355
tree = self.working_tree()
356
inv = tree.inventory
357
358
# do this before any modifications
359
for f in files:
360
fid = inv.path2id(f)
361
if not fid:
362
bailout("cannot remove unversioned file %s" % quotefn(f))
363
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
364
if verbose:
365
# having remove it, it must be either ignored or unknown
366
if tree.is_ignored(f):
367
new_status = 'I'
368
else:
369
new_status = '?'
370
show_status(new_status, inv[fid].kind, quotefn(f))
371
del inv[fid]
372
488
489
self.lock_write()
490
491
try:
492
tree = self.working_tree()
493
inv = tree.inventory
494
495
# do this before any modifications
496
for f in files:
497
fid = inv.path2id(f)
498
if not fid:
499
raise BzrError("cannot remove unversioned file %s" % quotefn(f))
500
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
501
if verbose:
502
# having remove it, it must be either ignored or unknown
503
if tree.is_ignored(f):
504
new_status = 'I'
505
else:
506
new_status = '?'
507
show_status(new_status, inv[fid].kind, quotefn(f))
508
del inv[fid]
509
510
self._write_inventory(inv)
511
finally:
512
self.unlock()
513
514
515
# FIXME: this doesn't need to be a branch method
516
def set_inventory(self, new_inventory_list):
517
from bzrlib.inventory import Inventory, InventoryEntry
518
inv = Inventory()
519
for path, file_id, parent, kind in new_inventory_list:
520
name = os.path.basename(path)
521
if name == "":
522
continue
523
inv.add(InventoryEntry(file_id, name, kind, parent))
373
524
self._write_inventory(inv)
374
525
375
526
392
543
return self.working_tree().unknowns()
393
544
394
545
395
def commit(self, message, timestamp=None, timezone=None,
396
committer=None,
397
verbose=False):
398
"""Commit working copy as a new revision.
399
400
The basic approach is to add all the file texts into the
401
store, then the inventory, then make a new revision pointing
402
to that inventory and store that.
403
404
This is not quite safe if the working copy changes during the
405
commit; for the moment that is simply not allowed. A better
406
approach is to make a temporary copy of the files before
407
computing their hashes, and then add those hashes in turn to
408
the inventory. This should mean at least that there are no
409
broken hash pointers. There is no way we can get a snapshot
410
of the whole directory at an instant. This would also have to
411
be robust against files disappearing, moving, etc. So the
412
whole thing is a bit hard.
413
414
:param timestamp: if not None, seconds-since-epoch for a
415
postdated/predated commit.
416
"""
417
418
## TODO: Show branch names
419
420
# TODO: Don't commit if there are no changes, unless forced?
421
422
# First walk over the working inventory; and both update that
423
# and also build a new revision inventory. The revision
424
# inventory needs to hold the text-id, sha1 and size of the
425
# actual file versions committed in the revision. (These are
426
# not present in the working inventory.) We also need to
427
# detect missing/deleted files, and remove them from the
428
# working inventory.
429
430
work_inv = self.read_working_inventory()
431
inv = Inventory()
432
basis = self.basis_tree()
433
basis_inv = basis.inventory
434
missing_ids = []
435
for path, entry in work_inv.iter_entries():
436
## TODO: Cope with files that have gone missing.
437
438
## TODO: Check that the file kind has not changed from the previous
439
## revision of this file (if any).
440
441
entry = entry.copy()
442
443
p = self.abspath(path)
444
file_id = entry.file_id
445
mutter('commit prep file %s, id %r ' % (p, file_id))
446
447
if not os.path.exists(p):
448
mutter(" file is missing, removing from inventory")
449
if verbose:
450
show_status('D', entry.kind, quotefn(path))
451
missing_ids.append(file_id)
452
continue
453
454
# TODO: Handle files that have been deleted
455
456
# TODO: Maybe a special case for empty files? Seems a
457
# waste to store them many times.
458
459
inv.add(entry)
460
461
if basis_inv.has_id(file_id):
462
old_kind = basis_inv[file_id].kind
463
if old_kind != entry.kind:
464
bailout("entry %r changed kind from %r to %r"
465
% (file_id, old_kind, entry.kind))
466
467
if entry.kind == 'directory':
468
if not isdir(p):
469
bailout("%s is entered as directory but not a directory" % quotefn(p))
470
elif entry.kind == 'file':
471
if not isfile(p):
472
bailout("%s is entered as file but is not a file" % quotefn(p))
473
474
content = file(p, 'rb').read()
475
476
entry.text_sha1 = sha_string(content)
477
entry.text_size = len(content)
478
479
old_ie = basis_inv.has_id(file_id) and basis_inv[file_id]
480
if (old_ie
481
and (old_ie.text_size == entry.text_size)
482
and (old_ie.text_sha1 == entry.text_sha1)):
483
## assert content == basis.get_file(file_id).read()
484
entry.text_id = basis_inv[file_id].text_id
485
mutter(' unchanged from previous text_id {%s}' %
486
entry.text_id)
487
488
else:
489
entry.text_id = gen_file_id(entry.name)
490
self.text_store.add(content, entry.text_id)
491
mutter(' stored with text_id {%s}' % entry.text_id)
492
if verbose:
493
if not old_ie:
494
state = 'A'
495
elif (old_ie.name == entry.name
496
and old_ie.parent_id == entry.parent_id):
497
state = 'M'
498
else:
499
state = 'R'
500
501
show_status(state, entry.kind, quotefn(path))
502
503
for file_id in missing_ids:
504
# have to do this later so we don't mess up the iterator.
505
# since parents may be removed before their children we
506
# have to test.
507
508
# FIXME: There's probably a better way to do this; perhaps
509
# the workingtree should know how to filter itself.
510
if work_inv.has_id(file_id):
511
del work_inv[file_id]
512
513
514
inv_id = rev_id = _gen_revision_id(time.time())
515
516
inv_tmp = tempfile.TemporaryFile()
517
inv.write_xml(inv_tmp)
518
inv_tmp.seek(0)
519
self.inventory_store.add(inv_tmp, inv_id)
520
mutter('new inventory_id is {%s}' % inv_id)
521
522
self._write_inventory(work_inv)
523
524
if timestamp == None:
525
timestamp = time.time()
526
527
if committer == None:
528
committer = username()
529
530
if timezone == None:
531
timezone = local_time_offset()
532
533
mutter("building commit log message")
534
rev = Revision(timestamp=timestamp,
535
timezone=timezone,
536
committer=committer,
537
precursor = self.last_patch(),
538
message = message,
539
inventory_id=inv_id,
540
revision_id=rev_id)
541
542
rev_tmp = tempfile.TemporaryFile()
543
rev.write_xml(rev_tmp)
544
rev_tmp.seek(0)
545
self.revision_store.add(rev_tmp, rev_id)
546
mutter("new revision_id is {%s}" % rev_id)
547
548
## XXX: Everything up to here can simply be orphaned if we abort
549
## the commit; it will leave junk files behind but that doesn't
550
## matter.
551
552
## TODO: Read back the just-generated changeset, and make sure it
553
## applies and recreates the right state.
554
555
## TODO: Also calculate and store the inventory SHA1
556
mutter("committing patch r%d" % (self.revno() + 1))
557
558
mutter("append to revision-history")
559
f = self.controlfile('revision-history', 'at')
560
f.write(rev_id + '\n')
561
f.close()
562
563
if verbose:
564
note("commited r%d" % self.revno())
546
def append_revision(self, revision_id):
547
from bzrlib.atomicfile import AtomicFile
548
549
mutter("add {%s} to revision-history" % revision_id)
550
rev_history = self.revision_history() + [revision_id]
551
552
f = AtomicFile(self.controlfilename('revision-history'))
553
try:
554
for rev_id in rev_history:
555
print >>f, rev_id
556
f.commit()
557
finally:
558
f.close()
565
559
566
560
567
561
def get_revision(self, revision_id):
568
562
"""Return the Revision object for a named revision"""
569
r = Revision.read_xml(self.revision_store[revision_id])
563
from bzrlib.revision import Revision
564
from bzrlib.xml import unpack_xml
565
566
self.lock_read()
567
try:
568
if not revision_id or not isinstance(revision_id, basestring):
569
raise ValueError('invalid revision-id: %r' % revision_id)
570
r = unpack_xml(Revision, self.revision_store[revision_id])
571
finally:
572
self.unlock()
573
570
574
assert r.revision_id == revision_id
571
575
return r
576
577
578
def get_revision_sha1(self, revision_id):
579
"""Hash the stored value of a revision, and return it."""
580
# In the future, revision entries will be signed. At that
581
# point, it is probably best *not* to include the signature
582
# in the revision hash. Because that lets you re-sign
583
# the revision, (add signatures/remove signatures) and still
584
# have all hash pointers stay consistent.
585
# But for now, just hash the contents.
586
return sha_file(self.revision_store[revision_id])
572
587
573
588
574
589
def get_inventory(self, inventory_id):
575
590
"""Get Inventory object by hash.
576
591
577
:todo: Perhaps for this and similar methods, take a revision
592
TODO: Perhaps for this and similar methods, take a revision
578
593
parameter which can be either an integer revno or a
579
594
string hash."""
580
i = Inventory.read_xml(self.inventory_store[inventory_id])
581
return i
595
from bzrlib.inventory import Inventory
596
from bzrlib.xml import unpack_xml
597
598
return unpack_xml(Inventory, self.inventory_store[inventory_id])
599
600
601
def get_inventory_sha1(self, inventory_id):
602
"""Return the sha1 hash of the inventory entry
603
"""
604
return sha_file(self.inventory_store[inventory_id])
582
605
583
606
584
607
def get_revision_inventory(self, revision_id):
585
608
"""Return inventory of a past revision."""
586
609
if revision_id == None:
610
from bzrlib.inventory import Inventory
587
611
return Inventory()
588
612
else:
589
613
return self.get_inventory(self.get_revision(revision_id).inventory_id)
595
619
>>> ScratchBranch().revision_history()
596
620
[]
597
621
"""
598
return [chomp(l) for l in self.controlfile('revision-history').readlines()]
622
self.lock_read()
623
try:
624
return [l.rstrip('\r\n') for l in
625
self.controlfile('revision-history', 'r').readlines()]
626
finally:
627
self.unlock()
628
629
630
def common_ancestor(self, other, self_revno=None, other_revno=None):
631
"""
632
>>> import commit
633
>>> sb = ScratchBranch(files=['foo', 'foo~'])
634
>>> sb.common_ancestor(sb) == (None, None)
635
True
636
>>> commit.commit(sb, "Committing first revision", verbose=False)
637
>>> sb.common_ancestor(sb)[0]
638
1
639
>>> clone = sb.clone()
640
>>> commit.commit(sb, "Committing second revision", verbose=False)
641
>>> sb.common_ancestor(sb)[0]
642
2
643
>>> sb.common_ancestor(clone)[0]
644
1
645
>>> commit.commit(clone, "Committing divergent second revision",
646
... verbose=False)
647
>>> sb.common_ancestor(clone)[0]
648
1
649
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
650
True
651
>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
652
True
653
>>> clone2 = sb.clone()
654
>>> sb.common_ancestor(clone2)[0]
655
2
656
>>> sb.common_ancestor(clone2, self_revno=1)[0]
657
1
658
>>> sb.common_ancestor(clone2, other_revno=1)[0]
659
1
660
"""
661
my_history = self.revision_history()
662
other_history = other.revision_history()
663
if self_revno is None:
664
self_revno = len(my_history)
665
if other_revno is None:
666
other_revno = len(other_history)
667
indices = range(min((self_revno, other_revno)))
668
indices.reverse()
669
for r in indices:
670
if my_history[r] == other_history[r]:
671
return r+1, my_history[r]
672
return None, None
673
674
def enum_history(self, direction):
675
"""Return (revno, revision_id) for history of branch.
676
677
direction
678
'forward' is from earliest to latest
679
'reverse' is from latest to earliest
680
"""
681
rh = self.revision_history()
682
if direction == 'forward':
683
i = 1
684
for rid in rh:
685
yield i, rid
686
i += 1
687
elif direction == 'reverse':
688
i = len(rh)
689
while i > 0:
690
yield i, rh[i-1]
691
i -= 1
692
else:
693
raise ValueError('invalid history direction', direction)
599
694
600
695
601
696
def revno(self):
603
698
604
699
That is equivalent to the number of revisions committed to
605
700
this branch.
606
607
>>> b = ScratchBranch()
608
>>> b.revno()
609
0
610
>>> b.commit('no foo')
611
>>> b.revno()
612
1
613
701
"""
614
702
return len(self.revision_history())
615
703
616
704
617
705
def last_patch(self):
618
706
"""Return last patch hash, or None if no history.
619
620
>>> ScratchBranch().last_patch() == None
621
True
622
707
"""
623
708
ph = self.revision_history()
624
709
if ph:
625
710
return ph[-1]
626
711
else:
627
712
return None
713
714
715
def missing_revisions(self, other, stop_revision=None):
716
"""
717
If self and other have not diverged, return a list of the revisions
718
present in other, but missing from self.
719
720
>>> from bzrlib.commit import commit
721
>>> bzrlib.trace.silent = True
722
>>> br1 = ScratchBranch()
723
>>> br2 = ScratchBranch()
724
>>> br1.missing_revisions(br2)
725
[]
726
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
727
>>> br1.missing_revisions(br2)
728
[u'REVISION-ID-1']
729
>>> br2.missing_revisions(br1)
730
[]
731
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
732
>>> br1.missing_revisions(br2)
733
[]
734
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
735
>>> br1.missing_revisions(br2)
736
[u'REVISION-ID-2A']
737
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
738
>>> br1.missing_revisions(br2)
739
Traceback (most recent call last):
740
DivergedBranches: These branches have diverged.
741
"""
742
self_history = self.revision_history()
743
self_len = len(self_history)
744
other_history = other.revision_history()
745
other_len = len(other_history)
746
common_index = min(self_len, other_len) -1
747
if common_index >= 0 and \
748
self_history[common_index] != other_history[common_index]:
749
raise DivergedBranches(self, other)
750
751
if stop_revision is None:
752
stop_revision = other_len
753
elif stop_revision > other_len:
754
raise NoSuchRevision(self, stop_revision)
755
756
return other_history[self_len:stop_revision]
757
758
759
def update_revisions(self, other, stop_revision=None):
760
"""Pull in all new revisions from other branch.
761
762
>>> from bzrlib.commit import commit
763
>>> bzrlib.trace.silent = True
764
>>> br1 = ScratchBranch(files=['foo', 'bar'])
765
>>> br1.add('foo')
766
>>> br1.add('bar')
767
>>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
768
>>> br2 = ScratchBranch()
769
>>> br2.update_revisions(br1)
770
Added 2 texts.
771
Added 1 inventories.
772
Added 1 revisions.
773
>>> br2.revision_history()
774
[u'REVISION-ID-1']
775
>>> br2.update_revisions(br1)
776
Added 0 texts.
777
Added 0 inventories.
778
Added 0 revisions.
779
>>> br1.text_store.total_size() == br2.text_store.total_size()
780
True
781
"""
782
from bzrlib.progress import ProgressBar
783
try:
784
set
785
except NameError:
786
from sets import Set as set
787
788
pb = ProgressBar()
789
790
pb.update('comparing histories')
791
revision_ids = self.missing_revisions(other, stop_revision)
792
793
if hasattr(other.revision_store, "prefetch"):
794
other.revision_store.prefetch(revision_ids)
795
if hasattr(other.inventory_store, "prefetch"):
796
inventory_ids = [other.get_revision(r).inventory_id
797
for r in revision_ids]
798
other.inventory_store.prefetch(inventory_ids)
799
800
revisions = []
801
needed_texts = set()
802
i = 0
803
for rev_id in revision_ids:
804
i += 1
805
pb.update('fetching revision', i, len(revision_ids))
806
rev = other.get_revision(rev_id)
807
revisions.append(rev)
808
inv = other.get_inventory(str(rev.inventory_id))
809
for key, entry in inv.iter_entries():
810
if entry.text_id is None:
811
continue
812
if entry.text_id not in self.text_store:
813
needed_texts.add(entry.text_id)
814
815
pb.clear()
816
817
count = self.text_store.copy_multi(other.text_store, needed_texts)
818
print "Added %d texts." % count
819
inventory_ids = [ f.inventory_id for f in revisions ]
820
count = self.inventory_store.copy_multi(other.inventory_store,
821
inventory_ids)
822
print "Added %d inventories." % count
823
revision_ids = [ f.revision_id for f in revisions]
824
count = self.revision_store.copy_multi(other.revision_store,
825
revision_ids)
826
for revision_id in revision_ids:
827
self.append_revision(revision_id)
828
print "Added %d revisions." % count
829
830
831
def commit(self, *args, **kw):
832
from bzrlib.commit import commit
833
commit(self, *args, **kw)
628
834
629
835
630
836
def lookup_revision(self, revno):
644
850
645
851
`revision_id` may be None for the null revision, in which case
646
852
an `EmptyTree` is returned."""
647
853
from bzrlib.tree import EmptyTree, RevisionTree
854
# TODO: refactor this to use an existing revision object
855
# so we don't need to read it in twice.
648
856
if revision_id == None:
649
857
return EmptyTree()
650
858
else:
654
862
655
863
def working_tree(self):
656
864
"""Return a `Tree` for the working copy."""
865
from workingtree import WorkingTree
657
866
return WorkingTree(self.base, self.read_working_inventory())
658
867
659
868
661
870
"""Return `Tree` object for last revision.
662
871
663
872
If there are no revisions yet, return an `EmptyTree`.
664
665
>>> b = ScratchBranch(files=['foo'])
666
>>> b.basis_tree().has_filename('foo')
667
False
668
>>> b.working_tree().has_filename('foo')
669
True
670
>>> b.add('foo')
671
>>> b.commit('add foo')
672
>>> b.basis_tree().has_filename('foo')
673
True
674
873
"""
874
from bzrlib.tree import EmptyTree, RevisionTree
675
875
r = self.last_patch()
676
876
if r == None:
677
877
return EmptyTree()
680
880
681
881
682
882
683
def write_log(self, show_timezone='original'):
684
"""Write out human-readable log of commits to this branch
685
686
:param utc: If true, show dates in universal time, not local time."""
687
## TODO: Option to choose either original, utc or local timezone
688
revno = 1
689
precursor = None
690
for p in self.revision_history():
691
print '-' * 40
692
print 'revno:', revno
693
## TODO: Show hash if --id is given.
694
##print 'revision-hash:', p
695
rev = self.get_revision(p)
696
print 'committer:', rev.committer
697
print 'timestamp: %s' % (format_date(rev.timestamp, rev.timezone or 0,
698
show_timezone))
699
700
## opportunistic consistency check, same as check_patch_chaining
701
if rev.precursor != precursor:
702
bailout("mismatched precursor!")
703
704
print 'message:'
705
if not rev.message:
706
print ' (no message)'
707
else:
708
for l in rev.message.split('\n'):
709
print ' ' + l
710
711
revno += 1
712
precursor = p
713
714
715
883
def rename_one(self, from_rel, to_rel):
716
tree = self.working_tree()
717
inv = tree.inventory
718
if not tree.has_filename(from_rel):
719
bailout("can't rename: old working file %r does not exist" % from_rel)
720
if tree.has_filename(to_rel):
721
bailout("can't rename: new working file %r already exists" % to_rel)
722
723
file_id = inv.path2id(from_rel)
724
if file_id == None:
725
bailout("can't rename: old name %r is not versioned" % from_rel)
726
727
if inv.path2id(to_rel):
728
bailout("can't rename: new name %r is already versioned" % to_rel)
729
730
to_dir, to_tail = os.path.split(to_rel)
731
to_dir_id = inv.path2id(to_dir)
732
if to_dir_id == None and to_dir != '':
733
bailout("can't determine destination directory id for %r" % to_dir)
734
735
mutter("rename_one:")
736
mutter(" file_id {%s}" % file_id)
737
mutter(" from_rel %r" % from_rel)
738
mutter(" to_rel %r" % to_rel)
739
mutter(" to_dir %r" % to_dir)
740
mutter(" to_dir_id {%s}" % to_dir_id)
741
742
inv.rename(file_id, to_dir_id, to_tail)
743
744
print "%s => %s" % (from_rel, to_rel)
745
746
from_abs = self.abspath(from_rel)
747
to_abs = self.abspath(to_rel)
884
"""Rename one file.
885
886
This can change the directory or the filename or both.
887
"""
888
self.lock_write()
748
889
try:
749
os.rename(from_abs, to_abs)
750
except OSError, e:
751
bailout("failed to rename %r to %r: %s"
752
% (from_abs, to_abs, e[1]),
753
["rename rolled back"])
754
755
self._write_inventory(inv)
756
890
tree = self.working_tree()
891
inv = tree.inventory
892
if not tree.has_filename(from_rel):
893
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
894
if tree.has_filename(to_rel):
895
raise BzrError("can't rename: new working file %r already exists" % to_rel)
896
897
file_id = inv.path2id(from_rel)
898
if file_id == None:
899
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
900
901
if inv.path2id(to_rel):
902
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
903
904
to_dir, to_tail = os.path.split(to_rel)
905
to_dir_id = inv.path2id(to_dir)
906
if to_dir_id == None and to_dir != '':
907
raise BzrError("can't determine destination directory id for %r" % to_dir)
908
909
mutter("rename_one:")
910
mutter(" file_id {%s}" % file_id)
911
mutter(" from_rel %r" % from_rel)
912
mutter(" to_rel %r" % to_rel)
913
mutter(" to_dir %r" % to_dir)
914
mutter(" to_dir_id {%s}" % to_dir_id)
915
916
inv.rename(file_id, to_dir_id, to_tail)
917
918
print "%s => %s" % (from_rel, to_rel)
919
920
from_abs = self.abspath(from_rel)
921
to_abs = self.abspath(to_rel)
922
try:
923
os.rename(from_abs, to_abs)
924
except OSError, e:
925
raise BzrError("failed to rename %r to %r: %s"
926
% (from_abs, to_abs, e[1]),
927
["rename rolled back"])
928
929
self._write_inventory(inv)
930
finally:
931
self.unlock()
757
932
758
933
759
934
def move(self, from_paths, to_name):
767
942
Note that to_name is only the last component of the new name;
768
943
this doesn't change the directory.
769
944
"""
770
## TODO: Option to move IDs only
771
assert not isinstance(from_paths, basestring)
772
tree = self.working_tree()
773
inv = tree.inventory
774
to_abs = self.abspath(to_name)
775
if not isdir(to_abs):
776
bailout("destination %r is not a directory" % to_abs)
777
if not tree.has_filename(to_name):
778
bailout("destination %r not in working directory" % to_abs)
779
to_dir_id = inv.path2id(to_name)
780
if to_dir_id == None and to_name != '':
781
bailout("destination %r is not a versioned directory" % to_name)
782
to_dir_ie = inv[to_dir_id]
783
if to_dir_ie.kind not in ('directory', 'root_directory'):
784
bailout("destination %r is not a directory" % to_abs)
785
786
to_idpath = Set(inv.get_idpath(to_dir_id))
787
788
for f in from_paths:
789
if not tree.has_filename(f):
790
bailout("%r does not exist in working tree" % f)
791
f_id = inv.path2id(f)
792
if f_id == None:
793
bailout("%r is not versioned" % f)
794
name_tail = splitpath(f)[-1]
795
dest_path = appendpath(to_name, name_tail)
796
if tree.has_filename(dest_path):
797
bailout("destination %r already exists" % dest_path)
798
if f_id in to_idpath:
799
bailout("can't move %r to a subdirectory of itself" % f)
800
801
# OK, so there's a race here, it's possible that someone will
802
# create a file in this interval and then the rename might be
803
# left half-done. But we should have caught most problems.
804
805
for f in from_paths:
806
name_tail = splitpath(f)[-1]
807
dest_path = appendpath(to_name, name_tail)
808
print "%s => %s" % (f, dest_path)
809
inv.rename(inv.path2id(f), to_dir_id, name_tail)
945
self.lock_write()
946
try:
947
## TODO: Option to move IDs only
948
assert not isinstance(from_paths, basestring)
949
tree = self.working_tree()
950
inv = tree.inventory
951
to_abs = self.abspath(to_name)
952
if not isdir(to_abs):
953
raise BzrError("destination %r is not a directory" % to_abs)
954
if not tree.has_filename(to_name):
955
raise BzrError("destination %r not in working directory" % to_abs)
956
to_dir_id = inv.path2id(to_name)
957
if to_dir_id == None and to_name != '':
958
raise BzrError("destination %r is not a versioned directory" % to_name)
959
to_dir_ie = inv[to_dir_id]
960
if to_dir_ie.kind not in ('directory', 'root_directory'):
961
raise BzrError("destination %r is not a directory" % to_abs)
962
963
to_idpath = inv.get_idpath(to_dir_id)
964
965
for f in from_paths:
966
if not tree.has_filename(f):
967
raise BzrError("%r does not exist in working tree" % f)
968
f_id = inv.path2id(f)
969
if f_id == None:
970
raise BzrError("%r is not versioned" % f)
971
name_tail = splitpath(f)[-1]
972
dest_path = appendpath(to_name, name_tail)
973
if tree.has_filename(dest_path):
974
raise BzrError("destination %r already exists" % dest_path)
975
if f_id in to_idpath:
976
raise BzrError("can't move %r to a subdirectory of itself" % f)
977
978
# OK, so there's a race here, it's possible that someone will
979
# create a file in this interval and then the rename might be
980
# left half-done. But we should have caught most problems.
981
982
for f in from_paths:
983
name_tail = splitpath(f)[-1]
984
dest_path = appendpath(to_name, name_tail)
985
print "%s => %s" % (f, dest_path)
986
inv.rename(inv.path2id(f), to_dir_id, name_tail)
987
try:
988
os.rename(self.abspath(f), self.abspath(dest_path))
989
except OSError, e:
990
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
991
["rename rolled back"])
992
993
self._write_inventory(inv)
994
finally:
995
self.unlock()
996
997
998
def revert(self, filenames, old_tree=None, backups=True):
999
"""Restore selected files to the versions from a previous tree.
1000
1001
backups
1002
If true (default) backups are made of files before
1003
they're renamed.
1004
"""
1005
from bzrlib.errors import NotVersionedError, BzrError
1006
from bzrlib.atomicfile import AtomicFile
1007
from bzrlib.osutils import backup_file
1008
1009
inv = self.read_working_inventory()
1010
if old_tree is None:
1011
old_tree = self.basis_tree()
1012
old_inv = old_tree.inventory
1013
1014
nids = []
1015
for fn in filenames:
1016
file_id = inv.path2id(fn)
1017
if not file_id:
1018
raise NotVersionedError("not a versioned file", fn)
1019
if not old_inv.has_id(file_id):
1020
raise BzrError("file not present in old tree", fn, file_id)
1021
nids.append((fn, file_id))
1022
1023
# TODO: Rename back if it was previously at a different location
1024
1025
# TODO: If given a directory, restore the entire contents from
1026
# the previous version.
1027
1028
# TODO: Make a backup to a temporary file.
1029
1030
# TODO: If the file previously didn't exist, delete it?
1031
for fn, file_id in nids:
1032
backup_file(fn)
1033
1034
f = AtomicFile(fn, 'wb')
810
1035
try:
811
os.rename(self.abspath(f), self.abspath(dest_path))
812
except OSError, e:
813
bailout("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
814
["rename rolled back"])
815
816
self._write_inventory(inv)
817
818
819
820
def show_status(self, show_all=False):
821
"""Display single-line status for non-ignored working files.
822
823
The list is show sorted in order by file name.
824
825
>>> b = ScratchBranch(files=['foo', 'foo~'])
826
>>> b.show_status()
827
? foo
828
>>> b.add('foo')
829
>>> b.show_status()
830
A foo
831
>>> b.commit("add foo")
832
>>> b.show_status()
833
>>> os.unlink(b.abspath('foo'))
834
>>> b.show_status()
835
D foo
836
837
838
:todo: Get state for single files.
839
840
:todo: Perhaps show a slash at the end of directory names.
841
842
"""
843
844
# We have to build everything into a list first so that it can
845
# sorted by name, incorporating all the different sources.
846
847
# FIXME: Rather than getting things in random order and then sorting,
848
# just step through in order.
849
850
# Interesting case: the old ID for a file has been removed,
851
# but a new file has been created under that name.
852
853
old = self.basis_tree()
854
new = self.working_tree()
855
856
for fs, fid, oldname, newname, kind in diff_trees(old, new):
857
if fs == 'R':
858
show_status(fs, kind,
859
oldname + ' => ' + newname)
860
elif fs == 'A' or fs == 'M':
861
show_status(fs, kind, newname)
862
elif fs == 'D':
863
show_status(fs, kind, oldname)
864
elif fs == '.':
865
if show_all:
866
show_status(fs, kind, newname)
867
elif fs == 'I':
868
if show_all:
869
show_status(fs, kind, newname)
870
elif fs == '?':
871
show_status(fs, kind, newname)
872
else:
873
bailout("wierd file state %r" % ((fs, fid),))
874
1036
f.write(old_tree.get_file(file_id).read())
1037
f.commit()
1038
finally:
1039
f.close()
1040
875
1041
876
1042
877
1043
class ScratchBranch(Branch):
881
1047
>>> isdir(b.base)
882
1048
True
883
1049
>>> bd = b.base
884
>>> del b
1050
>>> b.destroy()
885
1051
>>> isdir(bd)
886
1052
False
887
1053
"""
888
def __init__(self, files=[], dirs=[]):
1054
def __init__(self, files=[], dirs=[], base=None):
889
1055
"""Make a test branch.
890
1056
891
1057
This creates a temporary directory and runs init-tree in it.
892
1058
893
1059
If any files are listed, they are created in the working copy.
894
1060
"""
895
Branch.__init__(self, tempfile.mkdtemp(), init=True)
1061
from tempfile import mkdtemp
1062
init = False
1063
if base is None:
1064
base = mkdtemp()
1065
init = True
1066
Branch.__init__(self, base, init=init)
896
1067
for d in dirs:
897
1068
os.mkdir(self.abspath(d))
898
1069
900
1071
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
901
1072
902
1073
1074
def clone(self):
1075
"""
1076
>>> orig = ScratchBranch(files=["file1", "file2"])
1077
>>> clone = orig.clone()
1078
>>> os.path.samefile(orig.base, clone.base)
1079
False
1080
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1081
True
1082
"""
1083
from shutil import copytree
1084
from tempfile import mkdtemp
1085
base = mkdtemp()
1086
os.rmdir(base)
1087
copytree(self.base, base, symlinks=True)
1088
return ScratchBranch(base=base)
1089
903
1090
def __del__(self):
1091
self.destroy()
1092
1093
def destroy(self):
904
1094
"""Destroy the test branch, removing the scratch directory."""
1095
from shutil import rmtree
905
1096
try:
906
shutil.rmtree(self.base)
907
except OSError:
1097
if self.base:
1098
mutter("delete ScratchBranch %s" % self.base)
1099
rmtree(self.base)
1100
except OSError, e:
908
1101
# Work around for shutil.rmtree failing on Windows when
909
1102
# readonly files are encountered
1103
mutter("hit exception in destroying ScratchBranch: %s" % e)
910
1104
for root, dirs, files in os.walk(self.base, topdown=False):
911
1105
for name in files:
912
1106
os.chmod(os.path.join(root, name), 0700)
913
shutil.rmtree(self.base)
1107
rmtree(self.base)
1108
self.base = None
914
1109
915
1110
916
1111
933
1128
934
1129
935
1130
936
def _gen_revision_id(when):
937
"""Return new revision-id."""
938
s = '%s-%s-' % (user_email(), compact_date(when))
939
s += hexlify(rand_bytes(8))
940
return s
941
942
943
1131
def gen_file_id(name):
944
1132
"""Return new file id.
945
1133
946
1134
This should probably generate proper UUIDs, but for the moment we
947
1135
cope with just randomness because running uuidgen every time is
948
1136
slow."""
1137
import re
1138
from binascii import hexlify
1139
from time import time
1140
1141
# get last component
949
1142
idx = name.rfind('/')
950
1143
if idx != -1:
951
1144
name = name[idx+1 : ]
1145
idx = name.rfind('\\')
1146
if idx != -1:
1147
name = name[idx+1 : ]
952
1148
1149
# make it not a hidden file
953
1150
name = name.lstrip('.')
954
1151
1152
# remove any wierd characters; we don't escape them but rather
1153
# just pull them out
1154
name = re.sub(r'[^\w.]', '', name)
1155
955
1156
s = hexlify(rand_bytes(8))
956
return '-'.join((name, compact_date(time.time()), s))
957
958
1157
return '-'.join((name, compact_date(time()), s))
Loggerhead is a web-based interface for Breezy
Version: 2.0.1