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- Committer: mbp at sourcefrog
- Date: 2005-04-11 02:44:45 UTC
- Revision ID: mbp@sourcefrog.net-20050411024445-a2d4fa7e39309d2300533a6a
- Experiments in inventory performance
- files added:
- bzrlib/tests.py
- files removed:
- TODO
- bzrlib/selftest
- contrib
- contrib/bash
- contrib/emacs
- contrib/zsh
- effbot
- effbot/org
- patches
- plugins
- plugins/changeset
- tools
- files modified:
- .bzrignore
added
removed
bzrlib/branch.py
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import sys
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import os
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from sets import Set
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import sys, os, os.path, random, time, sha, sets, types, re, shutil, tempfile
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import traceback, socket, fnmatch, difflib, time
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from binascii import hexlify
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import bzrlib
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from bzrlib.trace import mutter, note
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from bzrlib.osutils import isdir, quotefn, compact_date, rand_bytes, \
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splitpath, \
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sha_file, appendpath, file_kind
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from bzrlib.errors import BzrError, InvalidRevisionNumber, InvalidRevisionId
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import bzrlib.errors
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from bzrlib.textui import show_status
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from bzrlib.revision import Revision
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from bzrlib.xml import unpack_xml
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from bzrlib.delta import compare_trees
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from bzrlib.tree import EmptyTree, RevisionTree
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from inventory import Inventory
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from trace import mutter, note
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from tree import Tree, EmptyTree, RevisionTree, WorkingTree
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from inventory import InventoryEntry, Inventory
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from osutils import isdir, quotefn, isfile, uuid, sha_file, username, 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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BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\n"
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## TODO: Maybe include checks for common corruption of newlines, etc?
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# TODO: Some operations like log might retrieve the same revisions
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# repeatedly to calculate deltas. We could perhaps have a weakref
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# cache in memory to make this faster.
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def find_branch(f, **args):
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if f and (f.startswith('http://') or f.startswith('https://')):
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import remotebranch
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return remotebranch.RemoteBranch(f, **args)
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else:
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return Branch(f, **args)
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def find_cached_branch(f, cache_root, **args):
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from remotebranch import RemoteBranch
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br = find_branch(f, **args)
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def cacheify(br, store_name):
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from meta_store import CachedStore
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cache_path = os.path.join(cache_root, store_name)
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os.mkdir(cache_path)
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new_store = CachedStore(getattr(br, store_name), cache_path)
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setattr(br, store_name, new_store)
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if isinstance(br, RemoteBranch):
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cacheify(br, 'inventory_store')
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cacheify(br, 'text_store')
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cacheify(br, 'revision_store')
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return br
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def _relpath(base, path):
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"""Return path relative to base, or raise exception.
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The path may be either an absolute path or a path relative to the
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current working directory.
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Lifted out of Branch.relpath for ease of testing.
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os.path.commonprefix (python2.4) has a bad bug that it works just
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on string prefixes, assuming that '/u' is a prefix of '/u2'. This
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avoids that problem."""
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rp = os.path.abspath(path)
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s = []
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head = rp
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while len(head) >= len(base):
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if head == base:
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break
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head, tail = os.path.split(head)
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if tail:
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s.insert(0, tail)
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else:
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from errors import NotBranchError
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raise NotBranchError("path %r is not within branch %r" % (rp, base))
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return os.sep.join(s)
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def find_branch_root(f=None):
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"""Find the branch root enclosing f, or pwd.
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f may be a filename or a URL.
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It is not necessary that f exists.
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Basically we keep looking up until we find the control directory or
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f = os.path.realpath(f)
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else:
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f = os.path.abspath(f)
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if not os.path.exists(f):
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raise BzrError('%r does not exist' % f)
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orig_f = f
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raise BzrError('%r is not in a branch' % orig_f)
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f = head
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class DivergedBranches(Exception):
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def __init__(self, branch1, branch2):
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self.branch1 = branch1
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self.branch2 = branch2
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Exception.__init__(self, "These branches have diverged.")
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######################################################################
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# branch objects
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class Branch(object):
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class Branch:
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"""Branch holding a history of revisions.
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base
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Base directory of the branch.
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_lock_mode
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None, or 'r' or 'w'
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_lock_count
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If _lock_mode is true, a positive count of the number of times the
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lock has been taken.
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_lock
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Lock object from bzrlib.lock.
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: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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"""
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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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# Map some sort of prefix into a namespace
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# stuff like "revno:10", "revid:", etc.
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# This should match a prefix with a function which accepts
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REVISION_NAMESPACES = {}
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def __init__(self, base, init=False, find_root=True):
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"""Create new branch object at a particular location.
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base -- Base directory for the branch.
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:param base: Base directory for the branch.
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init -- If True, create new control files in a previously
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:param 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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find_root -- If true and init is false, find the root of the
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:param 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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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.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:
230
assert self._lock_mode in ('r', 'w'), \
231
"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'))
237
self._lock_mode = 'r'
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self._lock_count = 1
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def unlock(self):
243
if not self._lock_mode:
244
from errors import LockError
245
raise LockError('branch %r is not locked' % (self))
246
247
if self._lock_count > 1:
248
self._lock_count -= 1
249
else:
250
self._lock.unlock()
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self._lock = None
252
self._lock_mode = self._lock_count = None
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255
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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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263
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Raises an error if path is not in this branch."""
264
return _relpath(self.base, path)
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rp = os.path.realpath(path)
139
# FIXME: windows
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if not rp.startswith(self.base):
141
bailout("path %r is not within branch %r" % (rp, self.base))
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rp = rp[len(self.base):]
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rp = rp.lstrip(os.sep)
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return rp
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def controlfilename(self, file_or_path):
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"""Return location relative to branch."""
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if isinstance(file_or_path, basestring):
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if isinstance(file_or_path, types.StringTypes):
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file_or_path = [file_or_path]
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return os.path.join(self.base, bzrlib.BZRDIR, *file_or_path)
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def controlfile(self, file_or_path, mode='r'):
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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:
297
raise BzrError("invalid controlfile mode %r" % mode)
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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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def _make_control(self):
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from bzrlib.inventory import Inventory
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from bzrlib.xml import pack_xml
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os.mkdir(self.controlfilename([]))
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self.controlfile('README', 'w').write(
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"This is a Bazaar-NG control directory.\n"
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"Do not change any files in this directory.\n")
309
self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT)
163
"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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for d in ('text-store', 'inventory-store', 'revision-store'):
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os.mkdir(self.controlfilename(d))
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for f in ('revision-history', 'merged-patches',
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'pending-merged-patches', 'branch-name',
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'branch-lock',
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'pending-merges'):
168
'pending-merged-patches', 'branch-name'):
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self.controlfile(f, 'w').write('')
317
170
mutter('created control directory in ' + self.base)
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pack_xml(Inventory(gen_root_id()), self.controlfile('inventory','w'))
171
Inventory().write_xml(self.controlfile('inventory','w'))
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173
322
174
def _check_format(self):
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182
# This ignores newlines so that we can open branches created
331
183
# on Windows from Linux and so on. I think it might be better
332
184
# to always make all internal files in unix format.
333
fmt = self.controlfile('branch-format', 'r').read()
185
fmt = self.controlfile('branch-format', 'rb').read()
334
186
fmt.replace('\r\n', '')
335
187
if fmt != BZR_BRANCH_FORMAT:
336
raise BzrError('sorry, branch format %r not supported' % fmt,
337
['use a different bzr version',
338
'or remove the .bzr directory and "bzr init" again'])
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340
def get_root_id(self):
341
"""Return the id of this branches root"""
342
inv = self.read_working_inventory()
343
return inv.root.file_id
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345
def set_root_id(self, file_id):
346
inv = self.read_working_inventory()
347
orig_root_id = inv.root.file_id
348
del inv._byid[inv.root.file_id]
349
inv.root.file_id = file_id
350
inv._byid[inv.root.file_id] = inv.root
351
for fid in inv:
352
entry = inv[fid]
353
if entry.parent_id in (None, orig_root_id):
354
entry.parent_id = inv.root.file_id
355
self._write_inventory(inv)
188
bailout('sorry, branch format %r not supported' % fmt,
189
['use a different bzr version',
190
'or remove the .bzr directory and "bzr init" again'])
191
356
192
357
193
def read_working_inventory(self):
358
194
"""Read the working inventory."""
359
from bzrlib.inventory import Inventory
360
from bzrlib.xml import unpack_xml
361
from time import time
362
before = time()
363
self.lock_read()
364
try:
365
# ElementTree does its own conversion from UTF-8, so open in
366
# binary.
367
inv = unpack_xml(Inventory,
368
self.controlfile('inventory', 'rb'))
369
mutter("loaded inventory of %d items in %f"
370
% (len(inv), time() - before))
371
return inv
372
finally:
373
self.unlock()
374
195
before = time.time()
196
inv = Inventory.read_xml(self.controlfile('inventory', 'r'))
197
mutter("loaded inventory of %d items in %f"
198
% (len(inv), time.time() - before))
199
return inv
200
375
201
376
202
def _write_inventory(self, inv):
377
203
"""Update the working inventory.
379
205
That is to say, the inventory describing changes underway, that
380
206
will be committed to the next revision.
381
207
"""
382
from bzrlib.atomicfile import AtomicFile
383
from bzrlib.xml import pack_xml
384
385
self.lock_write()
386
try:
387
f = AtomicFile(self.controlfilename('inventory'), 'wb')
388
try:
389
pack_xml(inv, f)
390
f.commit()
391
finally:
392
f.close()
393
finally:
394
self.unlock()
395
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)
396
218
mutter('wrote working inventory')
397
219
398
220
399
221
inventory = property(read_working_inventory, _write_inventory, None,
400
222
"""Inventory for the working copy.""")
401
223
402
224
403
def add(self, files, verbose=False, ids=None):
225
def add(self, files, verbose=False):
404
226
"""Make files versioned.
405
227
406
Note that the command line normally calls smart_add instead.
407
408
228
This puts the files in the Added state, so that they will be
409
229
recorded by the next commit.
410
230
411
files
412
List of paths to add, relative to the base of the tree.
413
414
ids
415
If set, use these instead of automatically generated ids.
416
Must be the same length as the list of files, but may
417
contain None for ids that are to be autogenerated.
418
419
TODO: Perhaps have an option to add the ids even if the files do
420
not (yet) exist.
421
422
TODO: Perhaps return the ids of the files? But then again it
423
is easy to retrieve them if they're needed.
424
425
TODO: Adding a directory should optionally recurse down and
426
add all non-ignored children. Perhaps do that in a
427
higher-level method.
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
255
256
>>> b.add('foo')
257
Traceback (most recent call last):
258
...
259
BzrError: ('foo is already versioned', [])
260
261
>>> b.add(['nothere'])
262
Traceback (most recent call last):
263
BzrError: ('cannot add: not a regular file or directory: nothere', [])
428
264
"""
265
429
266
# TODO: Re-adding a file that is removed in the working copy
430
267
# should probably put it back with the previous ID.
431
if isinstance(files, basestring):
432
assert(ids is None or isinstance(ids, basestring))
268
if isinstance(files, types.StringTypes):
433
269
files = [files]
434
if ids is not None:
435
ids = [ids]
436
437
if ids is None:
438
ids = [None] * len(files)
439
else:
440
assert(len(ids) == len(files))
441
442
self.lock_write()
443
try:
444
inv = self.read_working_inventory()
445
for f,file_id in zip(files, ids):
446
if is_control_file(f):
447
raise BzrError("cannot add control file %s" % quotefn(f))
448
449
fp = splitpath(f)
450
451
if len(fp) == 0:
452
raise BzrError("cannot add top-level %r" % f)
453
454
fullpath = os.path.normpath(self.abspath(f))
455
456
try:
457
kind = file_kind(fullpath)
458
except OSError:
459
# maybe something better?
460
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
461
462
if kind != 'file' and kind != 'directory':
463
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
464
465
if file_id is None:
466
file_id = gen_file_id(f)
467
inv.add_path(f, kind=kind, file_id=file_id)
468
469
if verbose:
470
print 'added', quotefn(f)
471
472
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
473
474
self._write_inventory(inv)
475
finally:
476
self.unlock()
477
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))
275
276
fp = splitpath(f)
277
278
if len(fp) == 0:
279
bailout("cannot add top-level %r" % f)
280
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
478
302
479
303
def print_file(self, file, revno):
480
304
"""Print `file` to stdout."""
481
self.lock_read()
482
try:
483
tree = self.revision_tree(self.lookup_revision(revno))
484
# use inventory as it was in that revision
485
file_id = tree.inventory.path2id(file)
486
if not file_id:
487
raise BzrError("%r is not present in revision %s" % (file, revno))
488
tree.print_file(file_id)
489
finally:
490
self.unlock()
491
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
492
312
493
313
def remove(self, files, verbose=False):
494
314
"""Mark nominated files for removal from the inventory.
495
315
496
316
This does not remove their text. This does not run on
497
317
498
TODO: Refuse to remove modified files unless --force is given?
499
500
TODO: Do something useful with directories.
501
502
TODO: Should this remove the text or not? Tough call; not
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
503
345
removing may be useful and the user can just use use rm, and
504
346
is the opposite of add. Removing it is consistent with most
505
347
other tools. Maybe an option.
506
348
"""
507
349
## TODO: Normalize names
508
350
## TODO: Remove nested loops; better scalability
509
if isinstance(files, basestring):
351
352
if isinstance(files, types.StringTypes):
510
353
files = [files]
511
512
self.lock_write()
513
514
try:
515
tree = self.working_tree()
516
inv = tree.inventory
517
518
# do this before any modifications
519
for f in files:
520
fid = inv.path2id(f)
521
if not fid:
522
raise BzrError("cannot remove unversioned file %s" % quotefn(f))
523
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
524
if verbose:
525
# having remove it, it must be either ignored or unknown
526
if tree.is_ignored(f):
527
new_status = 'I'
528
else:
529
new_status = '?'
530
show_status(new_status, inv[fid].kind, quotefn(f))
531
del inv[fid]
532
533
self._write_inventory(inv)
534
finally:
535
self.unlock()
536
537
538
# FIXME: this doesn't need to be a branch method
539
def set_inventory(self, new_inventory_list):
540
from bzrlib.inventory import Inventory, InventoryEntry
541
inv = Inventory(self.get_root_id())
542
for path, file_id, parent, kind in new_inventory_list:
543
name = os.path.basename(path)
544
if name == "":
545
continue
546
inv.add(InventoryEntry(file_id, name, kind, parent))
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
547
373
self._write_inventory(inv)
548
374
549
375
566
392
return self.working_tree().unknowns()
567
393
568
394
569
def append_revision(self, *revision_ids):
570
from bzrlib.atomicfile import AtomicFile
571
572
for revision_id in revision_ids:
573
mutter("add {%s} to revision-history" % revision_id)
574
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
559
self.append_revision(rev_id)
560
561
if verbose:
562
note("commited r%d" % self.revno())
563
564
565
def append_revision(self, revision_id):
566
mutter("add {%s} to revision-history" % revision_id)
575
567
rev_history = self.revision_history()
576
rev_history.extend(revision_ids)
577
578
f = AtomicFile(self.controlfilename('revision-history'))
579
try:
580
for rev_id in rev_history:
581
print >>f, rev_id
582
f.commit()
583
finally:
584
f.close()
585
586
587
def get_revision_xml(self, revision_id):
588
"""Return XML file object for revision object."""
589
if not revision_id or not isinstance(revision_id, basestring):
590
raise InvalidRevisionId(revision_id)
591
592
self.lock_read()
593
try:
594
try:
595
return self.revision_store[revision_id]
596
except IndexError:
597
raise bzrlib.errors.NoSuchRevision(revision_id)
598
finally:
599
self.unlock()
568
569
tmprhname = self.controlfilename('revision-history.tmp')
570
rhname = self.controlfilename('revision-history')
571
572
f = file(tmprhname, 'wt')
573
rev_history.append(revision_id)
574
f.write('\n'.join(rev_history))
575
f.write('\n')
576
f.close()
577
578
if sys.platform == 'win32':
579
os.remove(rhname)
580
os.rename(tmprhname, rhname)
581
600
582
601
583
602
584
def get_revision(self, revision_id):
603
585
"""Return the Revision object for a named revision"""
604
xml_file = self.get_revision_xml(revision_id)
605
606
try:
607
r = unpack_xml(Revision, xml_file)
608
except SyntaxError, e:
609
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
610
[revision_id,
611
str(e)])
612
586
r = Revision.read_xml(self.revision_store[revision_id])
613
587
assert r.revision_id == revision_id
614
588
return r
615
589
616
590
617
def get_revision_delta(self, revno):
618
"""Return the delta for one revision.
619
620
The delta is relative to its mainline predecessor, or the
621
empty tree for revision 1.
622
"""
623
assert isinstance(revno, int)
624
rh = self.revision_history()
625
if not (1 <= revno <= len(rh)):
626
raise InvalidRevisionNumber(revno)
627
628
# revno is 1-based; list is 0-based
629
630
new_tree = self.revision_tree(rh[revno-1])
631
if revno == 1:
632
old_tree = EmptyTree()
633
else:
634
old_tree = self.revision_tree(rh[revno-2])
635
636
return compare_trees(old_tree, new_tree)
637
638
639
640
def get_revision_sha1(self, revision_id):
641
"""Hash the stored value of a revision, and return it."""
642
# In the future, revision entries will be signed. At that
643
# point, it is probably best *not* to include the signature
644
# in the revision hash. Because that lets you re-sign
645
# the revision, (add signatures/remove signatures) and still
646
# have all hash pointers stay consistent.
647
# But for now, just hash the contents.
648
return bzrlib.osutils.sha_file(self.get_revision_xml(revision_id))
649
650
651
591
def get_inventory(self, inventory_id):
652
592
"""Get Inventory object by hash.
653
593
654
TODO: Perhaps for this and similar methods, take a revision
594
:todo: Perhaps for this and similar methods, take a revision
655
595
parameter which can be either an integer revno or a
656
596
string hash."""
657
from bzrlib.inventory import Inventory
658
from bzrlib.xml import unpack_xml
659
660
return unpack_xml(Inventory, self.inventory_store[inventory_id])
661
662
663
def get_inventory_sha1(self, inventory_id):
664
"""Return the sha1 hash of the inventory entry
665
"""
666
return sha_file(self.inventory_store[inventory_id])
597
i = Inventory.read_xml(self.inventory_store[inventory_id])
598
return i
667
599
668
600
669
601
def get_revision_inventory(self, revision_id):
670
602
"""Return inventory of a past revision."""
671
# bzr 0.0.6 imposes the constraint that the inventory_id
672
# must be the same as its revision, so this is trivial.
673
603
if revision_id == None:
674
from bzrlib.inventory import Inventory
675
return Inventory(self.get_root_id())
604
return Inventory()
676
605
else:
677
return self.get_inventory(revision_id)
606
return self.get_inventory(self.get_revision(revision_id).inventory_id)
678
607
679
608
680
609
def revision_history(self):
683
612
>>> ScratchBranch().revision_history()
684
613
[]
685
614
"""
686
self.lock_read()
687
try:
688
return [l.rstrip('\r\n') for l in
689
self.controlfile('revision-history', 'r').readlines()]
690
finally:
691
self.unlock()
692
693
694
def common_ancestor(self, other, self_revno=None, other_revno=None):
695
"""
696
>>> import commit
697
>>> sb = ScratchBranch(files=['foo', 'foo~'])
698
>>> sb.common_ancestor(sb) == (None, None)
699
True
700
>>> commit.commit(sb, "Committing first revision", verbose=False)
701
>>> sb.common_ancestor(sb)[0]
702
1
703
>>> clone = sb.clone()
704
>>> commit.commit(sb, "Committing second revision", verbose=False)
705
>>> sb.common_ancestor(sb)[0]
706
2
707
>>> sb.common_ancestor(clone)[0]
708
1
709
>>> commit.commit(clone, "Committing divergent second revision",
710
... verbose=False)
711
>>> sb.common_ancestor(clone)[0]
712
1
713
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
714
True
715
>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
716
True
717
>>> clone2 = sb.clone()
718
>>> sb.common_ancestor(clone2)[0]
719
2
720
>>> sb.common_ancestor(clone2, self_revno=1)[0]
721
1
722
>>> sb.common_ancestor(clone2, other_revno=1)[0]
723
1
724
"""
725
my_history = self.revision_history()
726
other_history = other.revision_history()
727
if self_revno is None:
728
self_revno = len(my_history)
729
if other_revno is None:
730
other_revno = len(other_history)
731
indices = range(min((self_revno, other_revno)))
732
indices.reverse()
733
for r in indices:
734
if my_history[r] == other_history[r]:
735
return r+1, my_history[r]
736
return None, None
615
return [chomp(l) for l in self.controlfile('revision-history').readlines()]
737
616
738
617
739
618
def revno(self):
741
620
742
621
That is equivalent to the number of revisions committed to
743
622
this branch.
623
624
>>> b = ScratchBranch()
625
>>> b.revno()
626
0
627
>>> b.commit('no foo')
628
>>> b.revno()
629
1
744
630
"""
745
631
return len(self.revision_history())
746
632
747
633
748
634
def last_patch(self):
749
635
"""Return last patch hash, or None if no history.
636
637
>>> ScratchBranch().last_patch() == None
638
True
750
639
"""
751
640
ph = self.revision_history()
752
641
if ph:
753
642
return ph[-1]
754
643
else:
755
644
return None
756
757
758
def missing_revisions(self, other, stop_revision=None):
759
"""
760
If self and other have not diverged, return a list of the revisions
761
present in other, but missing from self.
762
763
>>> from bzrlib.commit import commit
764
>>> bzrlib.trace.silent = True
765
>>> br1 = ScratchBranch()
766
>>> br2 = ScratchBranch()
767
>>> br1.missing_revisions(br2)
768
[]
769
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
770
>>> br1.missing_revisions(br2)
771
[u'REVISION-ID-1']
772
>>> br2.missing_revisions(br1)
773
[]
774
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
775
>>> br1.missing_revisions(br2)
776
[]
777
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
778
>>> br1.missing_revisions(br2)
779
[u'REVISION-ID-2A']
780
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
781
>>> br1.missing_revisions(br2)
782
Traceback (most recent call last):
783
DivergedBranches: These branches have diverged.
784
"""
785
self_history = self.revision_history()
786
self_len = len(self_history)
787
other_history = other.revision_history()
788
other_len = len(other_history)
789
common_index = min(self_len, other_len) -1
790
if common_index >= 0 and \
791
self_history[common_index] != other_history[common_index]:
792
raise DivergedBranches(self, other)
793
794
if stop_revision is None:
795
stop_revision = other_len
796
elif stop_revision > other_len:
797
raise NoSuchRevision(self, stop_revision)
798
799
return other_history[self_len:stop_revision]
800
801
802
def update_revisions(self, other, stop_revision=None):
803
"""Pull in all new revisions from other branch.
804
805
>>> from bzrlib.commit import commit
806
>>> bzrlib.trace.silent = True
807
>>> br1 = ScratchBranch(files=['foo', 'bar'])
808
>>> br1.add('foo')
809
>>> br1.add('bar')
810
>>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
811
>>> br2 = ScratchBranch()
812
>>> br2.update_revisions(br1)
813
Added 2 texts.
814
Added 1 inventories.
815
Added 1 revisions.
816
>>> br2.revision_history()
817
[u'REVISION-ID-1']
818
>>> br2.update_revisions(br1)
819
Added 0 texts.
820
Added 0 inventories.
821
Added 0 revisions.
822
>>> br1.text_store.total_size() == br2.text_store.total_size()
823
True
824
"""
825
from bzrlib.progress import ProgressBar
826
827
pb = ProgressBar()
828
829
pb.update('comparing histories')
830
revision_ids = self.missing_revisions(other, stop_revision)
831
832
if hasattr(other.revision_store, "prefetch"):
833
other.revision_store.prefetch(revision_ids)
834
if hasattr(other.inventory_store, "prefetch"):
835
inventory_ids = [other.get_revision(r).inventory_id
836
for r in revision_ids]
837
other.inventory_store.prefetch(inventory_ids)
838
839
revisions = []
840
needed_texts = set()
841
i = 0
842
for rev_id in revision_ids:
843
i += 1
844
pb.update('fetching revision', i, len(revision_ids))
845
rev = other.get_revision(rev_id)
846
revisions.append(rev)
847
inv = other.get_inventory(str(rev.inventory_id))
848
for key, entry in inv.iter_entries():
849
if entry.text_id is None:
850
continue
851
if entry.text_id not in self.text_store:
852
needed_texts.add(entry.text_id)
853
854
pb.clear()
855
856
count = self.text_store.copy_multi(other.text_store, needed_texts)
857
print "Added %d texts." % count
858
inventory_ids = [ f.inventory_id for f in revisions ]
859
count = self.inventory_store.copy_multi(other.inventory_store,
860
inventory_ids)
861
print "Added %d inventories." % count
862
revision_ids = [ f.revision_id for f in revisions]
863
count = self.revision_store.copy_multi(other.revision_store,
864
revision_ids)
865
for revision_id in revision_ids:
866
self.append_revision(revision_id)
867
print "Added %d revisions." % count
868
869
870
def commit(self, *args, **kw):
871
from bzrlib.commit import commit
872
commit(self, *args, **kw)
873
874
875
def lookup_revision(self, revision):
876
"""Return the revision identifier for a given revision information."""
877
revno, info = self.get_revision_info(revision)
878
return info
879
880
def get_revision_info(self, revision):
881
"""Return (revno, revision id) for revision identifier.
882
883
revision can be an integer, in which case it is assumed to be revno (though
884
this will translate negative values into positive ones)
885
revision can also be a string, in which case it is parsed for something like
886
'date:' or 'revid:' etc.
887
"""
888
if revision is None:
889
return 0, None
890
revno = None
891
try:# Convert to int if possible
892
revision = int(revision)
893
except ValueError:
894
pass
895
revs = self.revision_history()
896
if isinstance(revision, int):
897
if revision == 0:
898
return 0, None
899
# Mabye we should do this first, but we don't need it if revision == 0
900
if revision < 0:
901
revno = len(revs) + revision + 1
902
else:
903
revno = revision
904
elif isinstance(revision, basestring):
905
for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
906
if revision.startswith(prefix):
907
revno = func(self, revs, revision)
908
break
909
else:
910
raise BzrError('No namespace registered for string: %r' % revision)
911
912
if revno is None or revno <= 0 or revno > len(revs):
913
raise BzrError("no such revision %s" % revision)
914
return revno, revs[revno-1]
915
916
def _namespace_revno(self, revs, revision):
917
"""Lookup a revision by revision number"""
918
assert revision.startswith('revno:')
919
try:
920
return int(revision[6:])
921
except ValueError:
922
return None
923
REVISION_NAMESPACES['revno:'] = _namespace_revno
924
925
def _namespace_revid(self, revs, revision):
926
assert revision.startswith('revid:')
927
try:
928
return revs.index(revision[6:]) + 1
929
except ValueError:
930
return None
931
REVISION_NAMESPACES['revid:'] = _namespace_revid
932
933
def _namespace_last(self, revs, revision):
934
assert revision.startswith('last:')
935
try:
936
offset = int(revision[5:])
937
except ValueError:
938
return None
939
else:
940
if offset <= 0:
941
raise BzrError('You must supply a positive value for --revision last:XXX')
942
return len(revs) - offset + 1
943
REVISION_NAMESPACES['last:'] = _namespace_last
944
945
def _namespace_tag(self, revs, revision):
946
assert revision.startswith('tag:')
947
raise BzrError('tag: namespace registered, but not implemented.')
948
REVISION_NAMESPACES['tag:'] = _namespace_tag
949
950
def _namespace_date(self, revs, revision):
951
assert revision.startswith('date:')
952
import datetime
953
# Spec for date revisions:
954
# date:value
955
# value can be 'yesterday', 'today', 'tomorrow' or a YYYY-MM-DD string.
956
# it can also start with a '+/-/='. '+' says match the first
957
# entry after the given date. '-' is match the first entry before the date
958
# '=' is match the first entry after, but still on the given date.
959
#
960
# +2005-05-12 says find the first matching entry after May 12th, 2005 at 0:00
961
# -2005-05-12 says find the first matching entry before May 12th, 2005 at 0:00
962
# =2005-05-12 says find the first match after May 12th, 2005 at 0:00 but before
963
# May 13th, 2005 at 0:00
964
#
965
# So the proper way of saying 'give me all entries for today' is:
966
# -r {date:+today}:{date:-tomorrow}
967
# The default is '=' when not supplied
968
val = revision[5:]
969
match_style = '='
970
if val[:1] in ('+', '-', '='):
971
match_style = val[:1]
972
val = val[1:]
973
974
today = datetime.datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
975
if val.lower() == 'yesterday':
976
dt = today - datetime.timedelta(days=1)
977
elif val.lower() == 'today':
978
dt = today
979
elif val.lower() == 'tomorrow':
980
dt = today + datetime.timedelta(days=1)
981
else:
982
import re
983
# This should be done outside the function to avoid recompiling it.
984
_date_re = re.compile(
985
r'(?P<date>(?P<year>\d\d\d\d)-(?P<month>\d\d)-(?P<day>\d\d))?'
986
r'(,|T)?\s*'
987
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
988
)
989
m = _date_re.match(val)
990
if not m or (not m.group('date') and not m.group('time')):
991
raise BzrError('Invalid revision date %r' % revision)
992
993
if m.group('date'):
994
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
995
else:
996
year, month, day = today.year, today.month, today.day
997
if m.group('time'):
998
hour = int(m.group('hour'))
999
minute = int(m.group('minute'))
1000
if m.group('second'):
1001
second = int(m.group('second'))
1002
else:
1003
second = 0
1004
else:
1005
hour, minute, second = 0,0,0
1006
1007
dt = datetime.datetime(year=year, month=month, day=day,
1008
hour=hour, minute=minute, second=second)
1009
first = dt
1010
last = None
1011
reversed = False
1012
if match_style == '-':
1013
reversed = True
1014
elif match_style == '=':
1015
last = dt + datetime.timedelta(days=1)
1016
1017
if reversed:
1018
for i in range(len(revs)-1, -1, -1):
1019
r = self.get_revision(revs[i])
1020
# TODO: Handle timezone.
1021
dt = datetime.datetime.fromtimestamp(r.timestamp)
1022
if first >= dt and (last is None or dt >= last):
1023
return i+1
1024
else:
1025
for i in range(len(revs)):
1026
r = self.get_revision(revs[i])
1027
# TODO: Handle timezone.
1028
dt = datetime.datetime.fromtimestamp(r.timestamp)
1029
if first <= dt and (last is None or dt <= last):
1030
return i+1
1031
REVISION_NAMESPACES['date:'] = _namespace_date
645
646
647
def lookup_revision(self, revno):
648
"""Return revision hash for revision number."""
649
if revno == 0:
650
return None
651
652
try:
653
# list is 0-based; revisions are 1-based
654
return self.revision_history()[revno-1]
655
except IndexError:
656
raise BzrError("no such revision %s" % revno)
657
1032
658
1033
659
def revision_tree(self, revision_id):
1034
660
"""Return Tree for a revision on this branch.
1035
661
1036
662
`revision_id` may be None for the null revision, in which case
1037
663
an `EmptyTree` is returned."""
1038
# TODO: refactor this to use an existing revision object
1039
# so we don't need to read it in twice.
664
1040
665
if revision_id == None:
1041
666
return EmptyTree()
1042
667
else:
1046
671
1047
672
def working_tree(self):
1048
673
"""Return a `Tree` for the working copy."""
1049
from workingtree import WorkingTree
1050
674
return WorkingTree(self.base, self.read_working_inventory())
1051
675
1052
676
1054
678
"""Return `Tree` object for last revision.
1055
679
1056
680
If there are no revisions yet, return an `EmptyTree`.
681
682
>>> b = ScratchBranch(files=['foo'])
683
>>> b.basis_tree().has_filename('foo')
684
False
685
>>> b.working_tree().has_filename('foo')
686
True
687
>>> b.add('foo')
688
>>> b.commit('add foo')
689
>>> b.basis_tree().has_filename('foo')
690
True
1057
691
"""
1058
692
r = self.last_patch()
1059
693
if r == None:
1063
697
1064
698
1065
699
700
def write_log(self, show_timezone='original'):
701
"""Write out human-readable log of commits to this branch
702
703
:param utc: If true, show dates in universal time, not local time."""
704
## TODO: Option to choose either original, utc or local timezone
705
revno = 1
706
precursor = None
707
for p in self.revision_history():
708
print '-' * 40
709
print 'revno:', revno
710
## TODO: Show hash if --id is given.
711
##print 'revision-hash:', p
712
rev = self.get_revision(p)
713
print 'committer:', rev.committer
714
print 'timestamp: %s' % (format_date(rev.timestamp, rev.timezone or 0,
715
show_timezone))
716
717
## opportunistic consistency check, same as check_patch_chaining
718
if rev.precursor != precursor:
719
bailout("mismatched precursor!")
720
721
print 'message:'
722
if not rev.message:
723
print ' (no message)'
724
else:
725
for l in rev.message.split('\n'):
726
print ' ' + l
727
728
revno += 1
729
precursor = p
730
731
1066
732
def rename_one(self, from_rel, to_rel):
1067
"""Rename one file.
1068
1069
This can change the directory or the filename or both.
1070
"""
1071
self.lock_write()
733
tree = self.working_tree()
734
inv = tree.inventory
735
if not tree.has_filename(from_rel):
736
bailout("can't rename: old working file %r does not exist" % from_rel)
737
if tree.has_filename(to_rel):
738
bailout("can't rename: new working file %r already exists" % to_rel)
739
740
file_id = inv.path2id(from_rel)
741
if file_id == None:
742
bailout("can't rename: old name %r is not versioned" % from_rel)
743
744
if inv.path2id(to_rel):
745
bailout("can't rename: new name %r is already versioned" % to_rel)
746
747
to_dir, to_tail = os.path.split(to_rel)
748
to_dir_id = inv.path2id(to_dir)
749
if to_dir_id == None and to_dir != '':
750
bailout("can't determine destination directory id for %r" % to_dir)
751
752
mutter("rename_one:")
753
mutter(" file_id {%s}" % file_id)
754
mutter(" from_rel %r" % from_rel)
755
mutter(" to_rel %r" % to_rel)
756
mutter(" to_dir %r" % to_dir)
757
mutter(" to_dir_id {%s}" % to_dir_id)
758
759
inv.rename(file_id, to_dir_id, to_tail)
760
761
print "%s => %s" % (from_rel, to_rel)
762
763
from_abs = self.abspath(from_rel)
764
to_abs = self.abspath(to_rel)
1072
765
try:
1073
tree = self.working_tree()
1074
inv = tree.inventory
1075
if not tree.has_filename(from_rel):
1076
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
1077
if tree.has_filename(to_rel):
1078
raise BzrError("can't rename: new working file %r already exists" % to_rel)
1079
1080
file_id = inv.path2id(from_rel)
1081
if file_id == None:
1082
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
1083
1084
if inv.path2id(to_rel):
1085
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
1086
1087
to_dir, to_tail = os.path.split(to_rel)
1088
to_dir_id = inv.path2id(to_dir)
1089
if to_dir_id == None and to_dir != '':
1090
raise BzrError("can't determine destination directory id for %r" % to_dir)
1091
1092
mutter("rename_one:")
1093
mutter(" file_id {%s}" % file_id)
1094
mutter(" from_rel %r" % from_rel)
1095
mutter(" to_rel %r" % to_rel)
1096
mutter(" to_dir %r" % to_dir)
1097
mutter(" to_dir_id {%s}" % to_dir_id)
1098
1099
inv.rename(file_id, to_dir_id, to_tail)
1100
1101
print "%s => %s" % (from_rel, to_rel)
1102
1103
from_abs = self.abspath(from_rel)
1104
to_abs = self.abspath(to_rel)
1105
try:
1106
os.rename(from_abs, to_abs)
1107
except OSError, e:
1108
raise BzrError("failed to rename %r to %r: %s"
1109
% (from_abs, to_abs, e[1]),
1110
["rename rolled back"])
1111
1112
self._write_inventory(inv)
1113
finally:
1114
self.unlock()
766
os.rename(from_abs, to_abs)
767
except OSError, e:
768
bailout("failed to rename %r to %r: %s"
769
% (from_abs, to_abs, e[1]),
770
["rename rolled back"])
771
772
self._write_inventory(inv)
773
1115
774
1116
775
1117
776
def move(self, from_paths, to_name):
1125
784
Note that to_name is only the last component of the new name;
1126
785
this doesn't change the directory.
1127
786
"""
1128
self.lock_write()
1129
try:
1130
## TODO: Option to move IDs only
1131
assert not isinstance(from_paths, basestring)
1132
tree = self.working_tree()
1133
inv = tree.inventory
1134
to_abs = self.abspath(to_name)
1135
if not isdir(to_abs):
1136
raise BzrError("destination %r is not a directory" % to_abs)
1137
if not tree.has_filename(to_name):
1138
raise BzrError("destination %r not in working directory" % to_abs)
1139
to_dir_id = inv.path2id(to_name)
1140
if to_dir_id == None and to_name != '':
1141
raise BzrError("destination %r is not a versioned directory" % to_name)
1142
to_dir_ie = inv[to_dir_id]
1143
if to_dir_ie.kind not in ('directory', 'root_directory'):
1144
raise BzrError("destination %r is not a directory" % to_abs)
1145
1146
to_idpath = inv.get_idpath(to_dir_id)
1147
1148
for f in from_paths:
1149
if not tree.has_filename(f):
1150
raise BzrError("%r does not exist in working tree" % f)
1151
f_id = inv.path2id(f)
1152
if f_id == None:
1153
raise BzrError("%r is not versioned" % f)
1154
name_tail = splitpath(f)[-1]
1155
dest_path = appendpath(to_name, name_tail)
1156
if tree.has_filename(dest_path):
1157
raise BzrError("destination %r already exists" % dest_path)
1158
if f_id in to_idpath:
1159
raise BzrError("can't move %r to a subdirectory of itself" % f)
1160
1161
# OK, so there's a race here, it's possible that someone will
1162
# create a file in this interval and then the rename might be
1163
# left half-done. But we should have caught most problems.
1164
1165
for f in from_paths:
1166
name_tail = splitpath(f)[-1]
1167
dest_path = appendpath(to_name, name_tail)
1168
print "%s => %s" % (f, dest_path)
1169
inv.rename(inv.path2id(f), to_dir_id, name_tail)
1170
try:
1171
os.rename(self.abspath(f), self.abspath(dest_path))
1172
except OSError, e:
1173
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
1174
["rename rolled back"])
1175
1176
self._write_inventory(inv)
1177
finally:
1178
self.unlock()
1179
1180
1181
def revert(self, filenames, old_tree=None, backups=True):
1182
"""Restore selected files to the versions from a previous tree.
1183
1184
backups
1185
If true (default) backups are made of files before
1186
they're renamed.
1187
"""
1188
from bzrlib.errors import NotVersionedError, BzrError
1189
from bzrlib.atomicfile import AtomicFile
1190
from bzrlib.osutils import backup_file
787
## TODO: Option to move IDs only
788
assert not isinstance(from_paths, basestring)
789
tree = self.working_tree()
790
inv = tree.inventory
791
to_abs = self.abspath(to_name)
792
if not isdir(to_abs):
793
bailout("destination %r is not a directory" % to_abs)
794
if not tree.has_filename(to_name):
795
bailout("destination %r not in working directory" % to_abs)
796
to_dir_id = inv.path2id(to_name)
797
if to_dir_id == None and to_name != '':
798
bailout("destination %r is not a versioned directory" % to_name)
799
to_dir_ie = inv[to_dir_id]
800
if to_dir_ie.kind not in ('directory', 'root_directory'):
801
bailout("destination %r is not a directory" % to_abs)
802
803
to_idpath = Set(inv.get_idpath(to_dir_id))
804
805
for f in from_paths:
806
if not tree.has_filename(f):
807
bailout("%r does not exist in working tree" % f)
808
f_id = inv.path2id(f)
809
if f_id == None:
810
bailout("%r is not versioned" % f)
811
name_tail = splitpath(f)[-1]
812
dest_path = appendpath(to_name, name_tail)
813
if tree.has_filename(dest_path):
814
bailout("destination %r already exists" % dest_path)
815
if f_id in to_idpath:
816
bailout("can't move %r to a subdirectory of itself" % f)
817
818
# OK, so there's a race here, it's possible that someone will
819
# create a file in this interval and then the rename might be
820
# left half-done. But we should have caught most problems.
821
822
for f in from_paths:
823
name_tail = splitpath(f)[-1]
824
dest_path = appendpath(to_name, name_tail)
825
print "%s => %s" % (f, dest_path)
826
inv.rename(inv.path2id(f), to_dir_id, name_tail)
827
try:
828
os.rename(self.abspath(f), self.abspath(dest_path))
829
except OSError, e:
830
bailout("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
831
["rename rolled back"])
832
833
self._write_inventory(inv)
834
835
836
837
def show_status(self, show_all=False):
838
"""Display single-line status for non-ignored working files.
839
840
The list is show sorted in order by file name.
841
842
>>> b = ScratchBranch(files=['foo', 'foo~'])
843
>>> b.show_status()
844
? foo
845
>>> b.add('foo')
846
>>> b.show_status()
847
A foo
848
>>> b.commit("add foo")
849
>>> b.show_status()
850
>>> os.unlink(b.abspath('foo'))
851
>>> b.show_status()
852
D foo
1191
853
1192
inv = self.read_working_inventory()
1193
if old_tree is None:
1194
old_tree = self.basis_tree()
1195
old_inv = old_tree.inventory
1196
1197
nids = []
1198
for fn in filenames:
1199
file_id = inv.path2id(fn)
1200
if not file_id:
1201
raise NotVersionedError("not a versioned file", fn)
1202
if not old_inv.has_id(file_id):
1203
raise BzrError("file not present in old tree", fn, file_id)
1204
nids.append((fn, file_id))
1205
1206
# TODO: Rename back if it was previously at a different location
1207
1208
# TODO: If given a directory, restore the entire contents from
1209
# the previous version.
1210
1211
# TODO: Make a backup to a temporary file.
1212
1213
# TODO: If the file previously didn't exist, delete it?
1214
for fn, file_id in nids:
1215
backup_file(fn)
1216
1217
f = AtomicFile(fn, 'wb')
1218
try:
1219
f.write(old_tree.get_file(file_id).read())
1220
f.commit()
1221
finally:
1222
f.close()
1223
1224
1225
def pending_merges(self):
1226
"""Return a list of pending merges.
1227
1228
These are revisions that have been merged into the working
1229
directory but not yet committed.
854
855
:todo: Get state for single files.
856
857
:todo: Perhaps show a slash at the end of directory names.
858
1230
859
"""
1231
cfn = self.controlfilename('pending-merges')
1232
if not os.path.exists(cfn):
1233
return []
1234
p = []
1235
for l in self.controlfile('pending-merges', 'r').readlines():
1236
p.append(l.rstrip('\n'))
1237
return p
1238
1239
1240
def add_pending_merge(self, revision_id):
1241
from bzrlib.revision import validate_revision_id
1242
1243
validate_revision_id(revision_id)
1244
1245
p = self.pending_merges()
1246
if revision_id in p:
1247
return
1248
p.append(revision_id)
1249
self.set_pending_merges(p)
1250
1251
1252
def set_pending_merges(self, rev_list):
1253
from bzrlib.atomicfile import AtomicFile
1254
self.lock_write()
1255
try:
1256
f = AtomicFile(self.controlfilename('pending-merges'))
1257
try:
1258
for l in rev_list:
1259
print >>f, l
1260
f.commit()
1261
finally:
1262
f.close()
1263
finally:
1264
self.unlock()
1265
860
861
# We have to build everything into a list first so that it can
862
# sorted by name, incorporating all the different sources.
863
864
# FIXME: Rather than getting things in random order and then sorting,
865
# just step through in order.
866
867
# Interesting case: the old ID for a file has been removed,
868
# but a new file has been created under that name.
869
870
old = self.basis_tree()
871
new = self.working_tree()
872
873
for fs, fid, oldname, newname, kind in diff_trees(old, new):
874
if fs == 'R':
875
show_status(fs, kind,
876
oldname + ' => ' + newname)
877
elif fs == 'A' or fs == 'M':
878
show_status(fs, kind, newname)
879
elif fs == 'D':
880
show_status(fs, kind, oldname)
881
elif fs == '.':
882
if show_all:
883
show_status(fs, kind, newname)
884
elif fs == 'I':
885
if show_all:
886
show_status(fs, kind, newname)
887
elif fs == '?':
888
show_status(fs, kind, newname)
889
else:
890
bailout("wierd file state %r" % ((fs, fid),))
891
1266
892
1267
893
1268
894
class ScratchBranch(Branch):
1272
898
>>> isdir(b.base)
1273
899
True
1274
900
>>> bd = b.base
1275
>>> b.destroy()
901
>>> del b
1276
902
>>> isdir(bd)
1277
903
False
1278
904
"""
1279
def __init__(self, files=[], dirs=[], base=None):
905
def __init__(self, files=[], dirs=[]):
1280
906
"""Make a test branch.
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This creates a temporary directory and runs init-tree in it.
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If any files are listed, they are created in the working copy.
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"""
1286
from tempfile import mkdtemp
1287
init = False
1288
if base is None:
1289
base = mkdtemp()
1290
init = True
1291
Branch.__init__(self, base, init=init)
912
Branch.__init__(self, tempfile.mkdtemp(), init=True)
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913
for d in dirs:
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os.mkdir(self.abspath(d))
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file(os.path.join(self.base, f), 'w').write('content of %s' % f)
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918
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def clone(self):
1300
"""
1301
>>> orig = ScratchBranch(files=["file1", "file2"])
1302
>>> clone = orig.clone()
1303
>>> os.path.samefile(orig.base, clone.base)
1304
False
1305
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1306
True
1307
"""
1308
from shutil import copytree
1309
from tempfile import mkdtemp
1310
base = mkdtemp()
1311
os.rmdir(base)
1312
copytree(self.base, base, symlinks=True)
1313
return ScratchBranch(base=base)
1314
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def __del__(self):
1316
self.destroy()
1317
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def destroy(self):
1319
921
"""Destroy the test branch, removing the scratch directory."""
1320
from shutil import rmtree
1321
922
try:
1322
if self.base:
1323
mutter("delete ScratchBranch %s" % self.base)
1324
rmtree(self.base)
1325
except OSError, e:
923
shutil.rmtree(self.base)
924
except OSError:
1326
925
# Work around for shutil.rmtree failing on Windows when
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# readonly files are encountered
1328
mutter("hit exception in destroying ScratchBranch: %s" % e)
1329
927
for root, dirs, files in os.walk(self.base, topdown=False):
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928
for name in files:
1331
929
os.chmod(os.path.join(root, name), 0700)
1332
rmtree(self.base)
1333
self.base = None
930
shutil.rmtree(self.base)
1334
931
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def _gen_revision_id(when):
954
"""Return new revision-id."""
955
s = '%s-%s-' % (user_email(), compact_date(when))
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s += hexlify(rand_bytes(8))
957
return s
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def gen_file_id(name):
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"""Return new file id.
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This should probably generate proper UUIDs, but for the moment we
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cope with just randomness because running uuidgen every time is
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slow."""
1362
import re
1363
from binascii import hexlify
1364
from time import time
1365
1366
# get last component
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966
idx = name.rfind('/')
1368
967
if idx != -1:
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name = name[idx+1 : ]
1370
idx = name.rfind('\\')
1371
if idx != -1:
1372
name = name[idx+1 : ]
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# make it not a hidden file
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name = name.lstrip('.')
1376
971
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# remove any wierd characters; we don't escape them but rather
1378
# just pull them out
1379
name = re.sub(r'[^\w.]', '', name)
1380
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972
s = hexlify(rand_bytes(8))
1382
return '-'.join((name, compact_date(time()), s))
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def gen_root_id():
1386
"""Return a new tree-root file id."""
1387
return gen_file_id('TREE_ROOT')
973
return '-'.join((name, compact_date(time.time()), s))
974
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Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0