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- Committer: mbp at sourcefrog
- Date: 2005-04-13 04:07:00 UTC
- Revision ID: mbp@sourcefrog.net-20050413040700-cd67a1265f4e8af9
- control files always in utf-8-unix format
- command line arguments interpreted as locale encoding
- command line arguments interpreted as locale encoding
- 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:
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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:
248
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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return _relpath(self.base, path)
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rp = os.path.realpath(path)
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# FIXME: windows
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if not rp.startswith(self.base):
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bailout("path %r is not within branch %r" % (rp, self.base))
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rp = rp[len(self.base):]
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rp = rp.lstrip(os.sep)
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return rp
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def controlfilename(self, file_or_path):
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"""Return location relative to branch."""
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if isinstance(file_or_path, basestring):
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if isinstance(file_or_path, types.StringTypes):
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file_or_path = [file_or_path]
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return os.path.join(self.base, bzrlib.BZRDIR, *file_or_path)
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and binary. binary files are untranslated byte streams. Text
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control files are stored with Unix newlines and in UTF-8, even
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if the platform or locale defaults are different.
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Controlfiles should almost never be opened in write mode but
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rather should be atomically copied and replaced using atomicfile.
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"""
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fn = self.controlfilename(file_or_path)
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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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# open in binary mode anyhow so there's no newline translation
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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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return codecs.open(fn, mode + 'b', 'utf-8')
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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.\n")
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"Do not change any files in this directory.")
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self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT)
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for d in ('text-store', 'inventory-store', 'revision-store'):
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os.mkdir(self.controlfilename(d))
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for f in ('revision-history', 'merged-patches',
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'pending-merged-patches', 'branch-name',
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'branch-lock',
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'pending-merges'):
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'pending-merged-patches', 'branch-name'):
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self.controlfile(f, 'w').write('')
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mutter('created control directory in ' + self.base)
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pack_xml(Inventory(gen_root_id()), self.controlfile('inventory','w'))
188
Inventory().write_xml(self.controlfile('inventory','w'))
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def _check_format(self):
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202
fmt = self.controlfile('branch-format', 'r').read()
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fmt.replace('\r\n', '')
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if fmt != BZR_BRANCH_FORMAT:
336
raise BzrError('sorry, branch format %r not supported' % fmt,
337
['use a different bzr version',
338
'or remove the .bzr directory and "bzr init" again'])
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def get_root_id(self):
341
"""Return the id of this branches root"""
342
inv = self.read_working_inventory()
343
return inv.root.file_id
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def set_root_id(self, file_id):
346
inv = self.read_working_inventory()
347
orig_root_id = inv.root.file_id
348
del inv._byid[inv.root.file_id]
349
inv.root.file_id = file_id
350
inv._byid[inv.root.file_id] = inv.root
351
for fid in inv:
352
entry = inv[fid]
353
if entry.parent_id in (None, orig_root_id):
354
entry.parent_id = inv.root.file_id
355
self._write_inventory(inv)
205
bailout('sorry, branch format %r not supported' % fmt,
206
['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."""
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
212
before = time.time()
213
# ElementTree does its own conversion from UTF-8, so open in
214
# binary.
215
inv = Inventory.read_xml(self.controlfile('inventory', 'rb'))
216
mutter("loaded inventory of %d items in %f"
217
% (len(inv), time.time() - before))
218
return inv
219
375
220
376
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def _write_inventory(self, inv):
377
222
"""Update the working inventory.
379
224
That is to say, the inventory describing changes underway, that
380
225
will be committed to the next revision.
381
226
"""
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
227
## TODO: factor out to atomicfile? is rename safe on windows?
228
## TODO: Maybe some kind of clean/dirty marker on inventory?
229
tmpfname = self.controlfilename('inventory.tmp')
230
tmpf = file(tmpfname, 'wb')
231
inv.write_xml(tmpf)
232
tmpf.close()
233
inv_fname = self.controlfilename('inventory')
234
if sys.platform == 'win32':
235
os.remove(inv_fname)
236
os.rename(tmpfname, inv_fname)
396
237
mutter('wrote working inventory')
397
238
398
239
399
240
inventory = property(read_working_inventory, _write_inventory, None,
400
241
"""Inventory for the working copy.""")
401
242
402
243
403
def add(self, files, verbose=False, ids=None):
244
def add(self, files, verbose=False):
404
245
"""Make files versioned.
405
246
406
Note that the command line normally calls smart_add instead.
407
408
247
This puts the files in the Added state, so that they will be
409
248
recorded by the next commit.
410
249
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.
250
:todo: Perhaps have an option to add the ids even if the files do
251
not (yet) exist.
252
253
:todo: Perhaps return the ids of the files? But then again it
254
is easy to retrieve them if they're needed.
255
256
:todo: Option to specify file id.
257
258
:todo: Adding a directory should optionally recurse down and
259
add all non-ignored children. Perhaps do that in a
260
higher-level method.
261
262
>>> b = ScratchBranch(files=['foo'])
263
>>> 'foo' in b.unknowns()
264
True
265
>>> b.show_status()
266
? foo
267
>>> b.add('foo')
268
>>> 'foo' in b.unknowns()
269
False
270
>>> bool(b.inventory.path2id('foo'))
271
True
272
>>> b.show_status()
273
A foo
274
275
>>> b.add('foo')
276
Traceback (most recent call last):
277
...
278
BzrError: ('foo is already versioned', [])
279
280
>>> b.add(['nothere'])
281
Traceback (most recent call last):
282
BzrError: ('cannot add: not a regular file or directory: nothere', [])
428
283
"""
284
429
285
# TODO: Re-adding a file that is removed in the working copy
430
286
# should probably put it back with the previous ID.
431
if isinstance(files, basestring):
432
assert(ids is None or isinstance(ids, basestring))
287
if isinstance(files, types.StringTypes):
433
288
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
289
290
inv = self.read_working_inventory()
291
for f in files:
292
if is_control_file(f):
293
bailout("cannot add control file %s" % quotefn(f))
294
295
fp = splitpath(f)
296
297
if len(fp) == 0:
298
bailout("cannot add top-level %r" % f)
299
300
fullpath = os.path.normpath(self.abspath(f))
301
302
try:
303
kind = file_kind(fullpath)
304
except OSError:
305
# maybe something better?
306
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
307
308
if kind != 'file' and kind != 'directory':
309
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
310
311
file_id = gen_file_id(f)
312
inv.add_path(f, kind=kind, file_id=file_id)
313
314
if verbose:
315
show_status('A', kind, quotefn(f))
316
317
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
318
319
self._write_inventory(inv)
320
478
321
479
322
def print_file(self, file, revno):
480
323
"""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
324
tree = self.revision_tree(self.lookup_revision(revno))
325
# use inventory as it was in that revision
326
file_id = tree.inventory.path2id(file)
327
if not file_id:
328
bailout("%r is not present in revision %d" % (file, revno))
329
tree.print_file(file_id)
330
492
331
493
332
def remove(self, files, verbose=False):
494
333
"""Mark nominated files for removal from the inventory.
495
334
496
335
This does not remove their text. This does not run on
497
336
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
337
:todo: Refuse to remove modified files unless --force is given?
338
339
>>> b = ScratchBranch(files=['foo'])
340
>>> b.add('foo')
341
>>> b.inventory.has_filename('foo')
342
True
343
>>> b.remove('foo')
344
>>> b.working_tree().has_filename('foo')
345
True
346
>>> b.inventory.has_filename('foo')
347
False
348
349
>>> b = ScratchBranch(files=['foo'])
350
>>> b.add('foo')
351
>>> b.commit('one')
352
>>> b.remove('foo')
353
>>> b.commit('two')
354
>>> b.inventory.has_filename('foo')
355
False
356
>>> b.basis_tree().has_filename('foo')
357
False
358
>>> b.working_tree().has_filename('foo')
359
True
360
361
:todo: Do something useful with directories.
362
363
:todo: Should this remove the text or not? Tough call; not
503
364
removing may be useful and the user can just use use rm, and
504
365
is the opposite of add. Removing it is consistent with most
505
366
other tools. Maybe an option.
506
367
"""
507
368
## TODO: Normalize names
508
369
## TODO: Remove nested loops; better scalability
509
if isinstance(files, basestring):
370
371
if isinstance(files, types.StringTypes):
510
372
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))
373
374
tree = self.working_tree()
375
inv = tree.inventory
376
377
# do this before any modifications
378
for f in files:
379
fid = inv.path2id(f)
380
if not fid:
381
bailout("cannot remove unversioned file %s" % quotefn(f))
382
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
383
if verbose:
384
# having remove it, it must be either ignored or unknown
385
if tree.is_ignored(f):
386
new_status = 'I'
387
else:
388
new_status = '?'
389
show_status(new_status, inv[fid].kind, quotefn(f))
390
del inv[fid]
391
547
392
self._write_inventory(inv)
548
393
549
394
566
411
return self.working_tree().unknowns()
567
412
568
413
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
414
def commit(self, message, timestamp=None, timezone=None,
415
committer=None,
416
verbose=False):
417
"""Commit working copy as a new revision.
418
419
The basic approach is to add all the file texts into the
420
store, then the inventory, then make a new revision pointing
421
to that inventory and store that.
422
423
This is not quite safe if the working copy changes during the
424
commit; for the moment that is simply not allowed. A better
425
approach is to make a temporary copy of the files before
426
computing their hashes, and then add those hashes in turn to
427
the inventory. This should mean at least that there are no
428
broken hash pointers. There is no way we can get a snapshot
429
of the whole directory at an instant. This would also have to
430
be robust against files disappearing, moving, etc. So the
431
whole thing is a bit hard.
432
433
:param timestamp: if not None, seconds-since-epoch for a
434
postdated/predated commit.
435
"""
436
437
## TODO: Show branch names
438
439
# TODO: Don't commit if there are no changes, unless forced?
440
441
# First walk over the working inventory; and both update that
442
# and also build a new revision inventory. The revision
443
# inventory needs to hold the text-id, sha1 and size of the
444
# actual file versions committed in the revision. (These are
445
# not present in the working inventory.) We also need to
446
# detect missing/deleted files, and remove them from the
447
# working inventory.
448
449
work_inv = self.read_working_inventory()
450
inv = Inventory()
451
basis = self.basis_tree()
452
basis_inv = basis.inventory
453
missing_ids = []
454
for path, entry in work_inv.iter_entries():
455
## TODO: Cope with files that have gone missing.
456
457
## TODO: Check that the file kind has not changed from the previous
458
## revision of this file (if any).
459
460
entry = entry.copy()
461
462
p = self.abspath(path)
463
file_id = entry.file_id
464
mutter('commit prep file %s, id %r ' % (p, file_id))
465
466
if not os.path.exists(p):
467
mutter(" file is missing, removing from inventory")
468
if verbose:
469
show_status('D', entry.kind, quotefn(path))
470
missing_ids.append(file_id)
471
continue
472
473
# TODO: Handle files that have been deleted
474
475
# TODO: Maybe a special case for empty files? Seems a
476
# waste to store them many times.
477
478
inv.add(entry)
479
480
if basis_inv.has_id(file_id):
481
old_kind = basis_inv[file_id].kind
482
if old_kind != entry.kind:
483
bailout("entry %r changed kind from %r to %r"
484
% (file_id, old_kind, entry.kind))
485
486
if entry.kind == 'directory':
487
if not isdir(p):
488
bailout("%s is entered as directory but not a directory" % quotefn(p))
489
elif entry.kind == 'file':
490
if not isfile(p):
491
bailout("%s is entered as file but is not a file" % quotefn(p))
492
493
content = file(p, 'rb').read()
494
495
entry.text_sha1 = sha_string(content)
496
entry.text_size = len(content)
497
498
old_ie = basis_inv.has_id(file_id) and basis_inv[file_id]
499
if (old_ie
500
and (old_ie.text_size == entry.text_size)
501
and (old_ie.text_sha1 == entry.text_sha1)):
502
## assert content == basis.get_file(file_id).read()
503
entry.text_id = basis_inv[file_id].text_id
504
mutter(' unchanged from previous text_id {%s}' %
505
entry.text_id)
506
507
else:
508
entry.text_id = gen_file_id(entry.name)
509
self.text_store.add(content, entry.text_id)
510
mutter(' stored with text_id {%s}' % entry.text_id)
511
if verbose:
512
if not old_ie:
513
state = 'A'
514
elif (old_ie.name == entry.name
515
and old_ie.parent_id == entry.parent_id):
516
state = 'M'
517
else:
518
state = 'R'
519
520
show_status(state, entry.kind, quotefn(path))
521
522
for file_id in missing_ids:
523
# have to do this later so we don't mess up the iterator.
524
# since parents may be removed before their children we
525
# have to test.
526
527
# FIXME: There's probably a better way to do this; perhaps
528
# the workingtree should know how to filter itself.
529
if work_inv.has_id(file_id):
530
del work_inv[file_id]
531
532
533
inv_id = rev_id = _gen_revision_id(time.time())
534
535
inv_tmp = tempfile.TemporaryFile()
536
inv.write_xml(inv_tmp)
537
inv_tmp.seek(0)
538
self.inventory_store.add(inv_tmp, inv_id)
539
mutter('new inventory_id is {%s}' % inv_id)
540
541
self._write_inventory(work_inv)
542
543
if timestamp == None:
544
timestamp = time.time()
545
546
if committer == None:
547
committer = username()
548
549
if timezone == None:
550
timezone = local_time_offset()
551
552
mutter("building commit log message")
553
rev = Revision(timestamp=timestamp,
554
timezone=timezone,
555
committer=committer,
556
precursor = self.last_patch(),
557
message = message,
558
inventory_id=inv_id,
559
revision_id=rev_id)
560
561
rev_tmp = tempfile.TemporaryFile()
562
rev.write_xml(rev_tmp)
563
rev_tmp.seek(0)
564
self.revision_store.add(rev_tmp, rev_id)
565
mutter("new revision_id is {%s}" % rev_id)
566
567
## XXX: Everything up to here can simply be orphaned if we abort
568
## the commit; it will leave junk files behind but that doesn't
569
## matter.
570
571
## TODO: Read back the just-generated changeset, and make sure it
572
## applies and recreates the right state.
573
574
## TODO: Also calculate and store the inventory SHA1
575
mutter("committing patch r%d" % (self.revno() + 1))
576
577
578
self.append_revision(rev_id)
579
580
if verbose:
581
note("commited r%d" % self.revno())
582
583
584
def append_revision(self, revision_id):
585
mutter("add {%s} to revision-history" % revision_id)
575
586
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()
587
588
tmprhname = self.controlfilename('revision-history.tmp')
589
rhname = self.controlfilename('revision-history')
590
591
f = file(tmprhname, 'wt')
592
rev_history.append(revision_id)
593
f.write('\n'.join(rev_history))
594
f.write('\n')
595
f.close()
596
597
if sys.platform == 'win32':
598
os.remove(rhname)
599
os.rename(tmprhname, rhname)
600
600
601
601
602
602
603
def get_revision(self, revision_id):
603
604
"""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
605
r = Revision.read_xml(self.revision_store[revision_id])
613
606
assert r.revision_id == revision_id
614
607
return r
615
608
616
609
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
610
def get_inventory(self, inventory_id):
652
611
"""Get Inventory object by hash.
653
612
654
TODO: Perhaps for this and similar methods, take a revision
613
:todo: Perhaps for this and similar methods, take a revision
655
614
parameter which can be either an integer revno or a
656
615
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])
616
i = Inventory.read_xml(self.inventory_store[inventory_id])
617
return i
667
618
668
619
669
620
def get_revision_inventory(self, revision_id):
670
621
"""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
622
if revision_id == None:
674
from bzrlib.inventory import Inventory
675
return Inventory(self.get_root_id())
623
return Inventory()
676
624
else:
677
return self.get_inventory(revision_id)
625
return self.get_inventory(self.get_revision(revision_id).inventory_id)
678
626
679
627
680
628
def revision_history(self):
683
631
>>> ScratchBranch().revision_history()
684
632
[]
685
633
"""
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
634
return [chomp(l) for l in self.controlfile('revision-history', 'r').readlines()]
737
635
738
636
739
637
def revno(self):
741
639
742
640
That is equivalent to the number of revisions committed to
743
641
this branch.
642
643
>>> b = ScratchBranch()
644
>>> b.revno()
645
0
646
>>> b.commit('no foo')
647
>>> b.revno()
648
1
744
649
"""
745
650
return len(self.revision_history())
746
651
747
652
748
653
def last_patch(self):
749
654
"""Return last patch hash, or None if no history.
655
656
>>> ScratchBranch().last_patch() == None
657
True
750
658
"""
751
659
ph = self.revision_history()
752
660
if ph:
753
661
return ph[-1]
754
662
else:
755
663
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
664
665
666
def lookup_revision(self, revno):
667
"""Return revision hash for revision number."""
668
if revno == 0:
669
return None
670
671
try:
672
# list is 0-based; revisions are 1-based
673
return self.revision_history()[revno-1]
674
except IndexError:
675
raise BzrError("no such revision %s" % revno)
676
1032
677
1033
678
def revision_tree(self, revision_id):
1034
679
"""Return Tree for a revision on this branch.
1035
680
1036
681
`revision_id` may be None for the null revision, in which case
1037
682
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.
683
1040
684
if revision_id == None:
1041
685
return EmptyTree()
1042
686
else:
1046
690
1047
691
def working_tree(self):
1048
692
"""Return a `Tree` for the working copy."""
1049
from workingtree import WorkingTree
1050
693
return WorkingTree(self.base, self.read_working_inventory())
1051
694
1052
695
1054
697
"""Return `Tree` object for last revision.
1055
698
1056
699
If there are no revisions yet, return an `EmptyTree`.
700
701
>>> b = ScratchBranch(files=['foo'])
702
>>> b.basis_tree().has_filename('foo')
703
False
704
>>> b.working_tree().has_filename('foo')
705
True
706
>>> b.add('foo')
707
>>> b.commit('add foo')
708
>>> b.basis_tree().has_filename('foo')
709
True
1057
710
"""
1058
711
r = self.last_patch()
1059
712
if r == None:
1063
716
1064
717
1065
718
719
def write_log(self, show_timezone='original', verbose=False):
720
"""Write out human-readable log of commits to this branch
721
722
:param utc: If true, show dates in universal time, not local time."""
723
## TODO: Option to choose either original, utc or local timezone
724
revno = 1
725
precursor = None
726
for p in self.revision_history():
727
print '-' * 40
728
print 'revno:', revno
729
## TODO: Show hash if --id is given.
730
##print 'revision-hash:', p
731
rev = self.get_revision(p)
732
print 'committer:', rev.committer
733
print 'timestamp: %s' % (format_date(rev.timestamp, rev.timezone or 0,
734
show_timezone))
735
736
## opportunistic consistency check, same as check_patch_chaining
737
if rev.precursor != precursor:
738
bailout("mismatched precursor!")
739
740
print 'message:'
741
if not rev.message:
742
print ' (no message)'
743
else:
744
for l in rev.message.split('\n'):
745
print ' ' + l
746
747
if verbose == True and precursor != None:
748
print 'changed files:'
749
tree = self.revision_tree(p)
750
prevtree = self.revision_tree(precursor)
751
752
for file_state, fid, old_name, new_name, kind in \
753
diff_trees(prevtree, tree, ):
754
if file_state == 'A' or file_state == 'M':
755
show_status(file_state, kind, new_name)
756
elif file_state == 'D':
757
show_status(file_state, kind, old_name)
758
elif file_state == 'R':
759
show_status(file_state, kind,
760
old_name + ' => ' + new_name)
761
762
revno += 1
763
precursor = p
764
765
1066
766
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()
767
tree = self.working_tree()
768
inv = tree.inventory
769
if not tree.has_filename(from_rel):
770
bailout("can't rename: old working file %r does not exist" % from_rel)
771
if tree.has_filename(to_rel):
772
bailout("can't rename: new working file %r already exists" % to_rel)
773
774
file_id = inv.path2id(from_rel)
775
if file_id == None:
776
bailout("can't rename: old name %r is not versioned" % from_rel)
777
778
if inv.path2id(to_rel):
779
bailout("can't rename: new name %r is already versioned" % to_rel)
780
781
to_dir, to_tail = os.path.split(to_rel)
782
to_dir_id = inv.path2id(to_dir)
783
if to_dir_id == None and to_dir != '':
784
bailout("can't determine destination directory id for %r" % to_dir)
785
786
mutter("rename_one:")
787
mutter(" file_id {%s}" % file_id)
788
mutter(" from_rel %r" % from_rel)
789
mutter(" to_rel %r" % to_rel)
790
mutter(" to_dir %r" % to_dir)
791
mutter(" to_dir_id {%s}" % to_dir_id)
792
793
inv.rename(file_id, to_dir_id, to_tail)
794
795
print "%s => %s" % (from_rel, to_rel)
796
797
from_abs = self.abspath(from_rel)
798
to_abs = self.abspath(to_rel)
1072
799
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()
800
os.rename(from_abs, to_abs)
801
except OSError, e:
802
bailout("failed to rename %r to %r: %s"
803
% (from_abs, to_abs, e[1]),
804
["rename rolled back"])
805
806
self._write_inventory(inv)
807
1115
808
1116
809
1117
810
def move(self, from_paths, to_name):
1125
818
Note that to_name is only the last component of the new name;
1126
819
this doesn't change the directory.
1127
820
"""
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
821
## TODO: Option to move IDs only
822
assert not isinstance(from_paths, basestring)
823
tree = self.working_tree()
824
inv = tree.inventory
825
to_abs = self.abspath(to_name)
826
if not isdir(to_abs):
827
bailout("destination %r is not a directory" % to_abs)
828
if not tree.has_filename(to_name):
829
bailout("destination %r not in working directory" % to_abs)
830
to_dir_id = inv.path2id(to_name)
831
if to_dir_id == None and to_name != '':
832
bailout("destination %r is not a versioned directory" % to_name)
833
to_dir_ie = inv[to_dir_id]
834
if to_dir_ie.kind not in ('directory', 'root_directory'):
835
bailout("destination %r is not a directory" % to_abs)
836
837
to_idpath = Set(inv.get_idpath(to_dir_id))
838
839
for f in from_paths:
840
if not tree.has_filename(f):
841
bailout("%r does not exist in working tree" % f)
842
f_id = inv.path2id(f)
843
if f_id == None:
844
bailout("%r is not versioned" % f)
845
name_tail = splitpath(f)[-1]
846
dest_path = appendpath(to_name, name_tail)
847
if tree.has_filename(dest_path):
848
bailout("destination %r already exists" % dest_path)
849
if f_id in to_idpath:
850
bailout("can't move %r to a subdirectory of itself" % f)
851
852
# OK, so there's a race here, it's possible that someone will
853
# create a file in this interval and then the rename might be
854
# left half-done. But we should have caught most problems.
855
856
for f in from_paths:
857
name_tail = splitpath(f)[-1]
858
dest_path = appendpath(to_name, name_tail)
859
print "%s => %s" % (f, dest_path)
860
inv.rename(inv.path2id(f), to_dir_id, name_tail)
861
try:
862
os.rename(self.abspath(f), self.abspath(dest_path))
863
except OSError, e:
864
bailout("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
865
["rename rolled back"])
866
867
self._write_inventory(inv)
868
869
870
871
def show_status(self, show_all=False):
872
"""Display single-line status for non-ignored working files.
873
874
The list is show sorted in order by file name.
875
876
>>> b = ScratchBranch(files=['foo', 'foo~'])
877
>>> b.show_status()
878
? foo
879
>>> b.add('foo')
880
>>> b.show_status()
881
A foo
882
>>> b.commit("add foo")
883
>>> b.show_status()
884
>>> os.unlink(b.abspath('foo'))
885
>>> b.show_status()
886
D foo
1191
887
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.
888
889
:todo: Get state for single files.
890
891
:todo: Perhaps show a slash at the end of directory names.
892
1230
893
"""
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
894
895
# We have to build everything into a list first so that it can
896
# sorted by name, incorporating all the different sources.
897
898
# FIXME: Rather than getting things in random order and then sorting,
899
# just step through in order.
900
901
# Interesting case: the old ID for a file has been removed,
902
# but a new file has been created under that name.
903
904
old = self.basis_tree()
905
new = self.working_tree()
906
907
for fs, fid, oldname, newname, kind in diff_trees(old, new):
908
if fs == 'R':
909
show_status(fs, kind,
910
oldname + ' => ' + newname)
911
elif fs == 'A' or fs == 'M':
912
show_status(fs, kind, newname)
913
elif fs == 'D':
914
show_status(fs, kind, oldname)
915
elif fs == '.':
916
if show_all:
917
show_status(fs, kind, newname)
918
elif fs == 'I':
919
if show_all:
920
show_status(fs, kind, newname)
921
elif fs == '?':
922
show_status(fs, kind, newname)
923
else:
924
bailout("wierd file state %r" % ((fs, fid),))
925
1266
926
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927
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928
class ScratchBranch(Branch):
1272
932
>>> isdir(b.base)
1273
933
True
1274
934
>>> bd = b.base
1275
>>> b.destroy()
935
>>> del b
1276
936
>>> isdir(bd)
1277
937
False
1278
938
"""
1279
def __init__(self, files=[], dirs=[], base=None):
939
def __init__(self, files=[], dirs=[]):
1280
940
"""Make a test branch.
1281
941
1282
942
This creates a temporary directory and runs init-tree in it.
1283
943
1284
944
If any files are listed, they are created in the working copy.
1285
945
"""
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)
946
Branch.__init__(self, tempfile.mkdtemp(), init=True)
1292
947
for d in dirs:
1293
948
os.mkdir(self.abspath(d))
1294
949
1296
951
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
1297
952
1298
953
1299
def clone(self):
1300
"""
1301
>>> orig = ScratchBranch(files=["file1", "file2"])
1302
>>> clone = orig.clone()
1303
>>> os.path.samefile(orig.base, clone.base)
1304
False
1305
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1306
True
1307
"""
1308
from shutil import copytree
1309
from tempfile import mkdtemp
1310
base = mkdtemp()
1311
os.rmdir(base)
1312
copytree(self.base, base, symlinks=True)
1313
return ScratchBranch(base=base)
1314
1315
954
def __del__(self):
1316
self.destroy()
1317
1318
def destroy(self):
1319
955
"""Destroy the test branch, removing the scratch directory."""
1320
from shutil import rmtree
1321
956
try:
1322
if self.base:
1323
mutter("delete ScratchBranch %s" % self.base)
1324
rmtree(self.base)
1325
except OSError, e:
957
shutil.rmtree(self.base)
958
except OSError:
1326
959
# Work around for shutil.rmtree failing on Windows when
1327
960
# readonly files are encountered
1328
mutter("hit exception in destroying ScratchBranch: %s" % e)
1329
961
for root, dirs, files in os.walk(self.base, topdown=False):
1330
962
for name in files:
1331
963
os.chmod(os.path.join(root, name), 0700)
1332
rmtree(self.base)
1333
self.base = None
964
shutil.rmtree(self.base)
1334
965
1335
966
1336
967
1353
984
1354
985
1355
986
987
def _gen_revision_id(when):
988
"""Return new revision-id."""
989
s = '%s-%s-' % (user_email(), compact_date(when))
990
s += hexlify(rand_bytes(8))
991
return s
992
993
1356
994
def gen_file_id(name):
1357
995
"""Return new file id.
1358
996
1359
997
This should probably generate proper UUIDs, but for the moment we
1360
998
cope with just randomness because running uuidgen every time is
1361
999
slow."""
1362
import re
1363
from binascii import hexlify
1364
from time import time
1365
1366
# get last component
1367
1000
idx = name.rfind('/')
1368
1001
if idx != -1:
1369
1002
name = name[idx+1 : ]
1370
idx = name.rfind('\\')
1371
if idx != -1:
1372
name = name[idx+1 : ]
1373
1003
1374
# make it not a hidden file
1375
1004
name = name.lstrip('.')
1376
1005
1377
# remove any wierd characters; we don't escape them but rather
1378
# just pull them out
1379
name = re.sub(r'[^\w.]', '', name)
1380
1381
1006
s = hexlify(rand_bytes(8))
1382
return '-'.join((name, compact_date(time()), s))
1383
1384
1385
def gen_root_id():
1386
"""Return a new tree-root file id."""
1387
return gen_file_id('TREE_ROOT')
1388
1007
return '-'.join((name, compact_date(time.time()), s))
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