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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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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from inventory import Inventory
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from trace import mutter, note
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from tree import Tree, EmptyTree, RevisionTree
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from inventory import InventoryEntry, Inventory
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from osutils import isdir, quotefn, isfile, uuid, sha_file, username, \
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format_date, compact_date, pumpfile, user_email, rand_bytes, splitpath, \
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joinpath, sha_string, file_kind, local_time_offset, appendpath
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from store import ImmutableStore
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from revision import Revision
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from errors import bailout, BzrError
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from textui import show_status
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from diff import diff_trees
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from bzrlib.trace import mutter, note
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from bzrlib.osutils import isdir, quotefn, compact_date, rand_bytes, splitpath, \
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sha_file, appendpath, file_kind
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from bzrlib.errors import BzrError
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BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\n"
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## TODO: Maybe include checks for common corruption of newlines, etc?
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return remotebranch.RemoteBranch(f, **args)
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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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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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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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while len(head) >= len(base):
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head, tail = os.path.split(head)
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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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def find_branch_root(f=None):
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__repr__ = __str__
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def lock(self, mode='w'):
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"""Lock the on-disk branch, excluding other processes."""
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om = os.O_WRONLY | os.O_CREAT
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raise BzrError("invalid locking mode %r" % mode)
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lockfile = os.open(self.controlfilename('branch-lock'), om)
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if e.errno == errno.ENOENT:
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# might not exist on branches from <0.0.4
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self.controlfile('branch-lock', 'w').close()
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lockfile = os.open(self.controlfilename('branch-lock'), om)
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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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def lock_write(self):
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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_count += 1
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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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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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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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fcntl.lockf(lockfile, lm)
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fcntl.lockf(lockfile, fcntl.LOCK_UN)
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self._lockmode = None
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self._lockmode = mode
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warning("please write a locking method for platform %r" % sys.platform)
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self._lockmode = None
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self._lockmode = mode
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def _need_readlock(self):
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if self._lockmode not in ['r', 'w']:
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raise BzrError('need read lock on branch, only have %r' % self._lockmode)
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def _need_writelock(self):
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if self._lockmode not in ['w']:
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raise BzrError('need write lock on branch, only have %r' % self._lockmode)
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if not self._lock_mode:
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from errors import LockError
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raise LockError('branch %r is not locked' % (self))
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if self._lock_count > 1:
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self._lock_count -= 1
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self._lock_mode = self._lock_count = None
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def abspath(self, name):
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fmt = self.controlfile('branch-format', 'r').read()
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fmt.replace('\r\n', '')
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if fmt != BZR_BRANCH_FORMAT:
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bailout('sorry, branch format %r not supported' % fmt,
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['use a different bzr version',
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'or remove the .bzr directory and "bzr init" again'])
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raise BzrError('sorry, branch format %r not supported' % fmt,
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['use a different bzr version',
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'or remove the .bzr directory and "bzr init" again'])
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def read_working_inventory(self):
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"""Read the working inventory."""
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self._need_readlock()
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from bzrlib.inventory import Inventory
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from time import time
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# ElementTree does its own conversion from UTF-8, so open in
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inv = Inventory.read_xml(self.controlfile('inventory', 'rb'))
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mutter("loaded inventory of %d items in %f"
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% (len(inv), time.time() - before))
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inv = Inventory.read_xml(self.controlfile('inventory', 'rb'))
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mutter("loaded inventory of %d items in %f"
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% (len(inv), time() - before))
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def _write_inventory(self, inv):
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"""Update the working inventory.
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This puts the files in the Added state, so that they will be
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recorded by the next commit.
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List of paths to add, relative to the base of the tree.
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If set, use these instead of automatically generated ids.
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Must be the same length as the list of files, but may
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contain None for ids that are to be autogenerated.
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TODO: Perhaps have an option to add the ids even if the files do
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TODO: Perhaps return the ids of the files? But then again it
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is easy to retrieve them if they're needed.
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TODO: Option to specify file id.
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is easy to retrieve them if they're needed.
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TODO: Adding a directory should optionally recurse down and
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add all non-ignored children. Perhaps do that in a
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>>> b = ScratchBranch(files=['foo'])
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>>> 'foo' in b.unknowns()
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>>> 'foo' in b.unknowns()
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>>> bool(b.inventory.path2id('foo'))
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Traceback (most recent call last):
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BzrError: ('foo is already versioned', [])
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>>> b.add(['nothere'])
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Traceback (most recent call last):
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BzrError: ('cannot add: not a regular file or directory: nothere', [])
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add all non-ignored children. Perhaps do that in a
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self._need_writelock()
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from bzrlib.textui import show_status
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# TODO: Re-adding a file that is removed in the working copy
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# should probably put it back with the previous ID.
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if isinstance(files, types.StringTypes):
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if isinstance(files, basestring):
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assert(ids is None or isinstance(ids, basestring))
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inv = self.read_working_inventory()
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if is_control_file(f):
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bailout("cannot add control file %s" % quotefn(f))
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bailout("cannot add top-level %r" % f)
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fullpath = os.path.normpath(self.abspath(f))
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kind = file_kind(fullpath)
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# maybe something better?
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bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
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if kind != 'file' and kind != 'directory':
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bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
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file_id = gen_file_id(f)
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inv.add_path(f, kind=kind, file_id=file_id)
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show_status('A', kind, quotefn(f))
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mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
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self._write_inventory(inv)
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ids = [None] * len(files)
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assert(len(ids) == len(files))
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inv = self.read_working_inventory()
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for f,file_id in zip(files, ids):
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if is_control_file(f):
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raise BzrError("cannot add control file %s" % quotefn(f))
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raise BzrError("cannot add top-level %r" % f)
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fullpath = os.path.normpath(self.abspath(f))
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kind = file_kind(fullpath)
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# maybe something better?
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raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
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if kind != 'file' and kind != 'directory':
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raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
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file_id = gen_file_id(f)
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inv.add_path(f, kind=kind, file_id=file_id)
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print 'added', quotefn(f)
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mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
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self._write_inventory(inv)
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def print_file(self, file, revno):
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"""Print `file` to stdout."""
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self._need_readlock()
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tree = self.revision_tree(self.lookup_revision(revno))
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# use inventory as it was in that revision
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file_id = tree.inventory.path2id(file)
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bailout("%r is not present in revision %d" % (file, revno))
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tree.print_file(file_id)
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tree = self.revision_tree(self.lookup_revision(revno))
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# use inventory as it was in that revision
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file_id = tree.inventory.path2id(file)
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raise BzrError("%r is not present in revision %d" % (file, revno))
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tree.print_file(file_id)
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def remove(self, files, verbose=False):
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"""Mark nominated files for removal from the inventory.
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is the opposite of add. Removing it is consistent with most
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other tools. Maybe an option.
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from bzrlib.textui import show_status
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## TODO: Normalize names
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## TODO: Remove nested loops; better scalability
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self._need_writelock()
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if isinstance(files, types.StringTypes):
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if isinstance(files, basestring):
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tree = self.working_tree()
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# do this before any modifications
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bailout("cannot remove unversioned file %s" % quotefn(f))
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mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
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# having remove it, it must be either ignored or unknown
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if tree.is_ignored(f):
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show_status(new_status, inv[fid].kind, quotefn(f))
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tree = self.working_tree()
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# do this before any modifications
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raise BzrError("cannot remove unversioned file %s" % quotefn(f))
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mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
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# having remove it, it must be either ignored or unknown
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if tree.is_ignored(f):
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show_status(new_status, inv[fid].kind, quotefn(f))
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self._write_inventory(inv)
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# FIXME: this doesn't need to be a branch method
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def set_inventory(self, new_inventory_list):
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from bzrlib.inventory import Inventory, InventoryEntry
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for path, file_id, parent, kind in new_inventory_list:
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name = os.path.basename(path)
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inv.add(InventoryEntry(file_id, name, kind, parent))
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self._write_inventory(inv)
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return self.working_tree().unknowns()
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def commit(self, message, timestamp=None, timezone=None,
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"""Commit working copy as a new revision.
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The basic approach is to add all the file texts into the
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store, then the inventory, then make a new revision pointing
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to that inventory and store that.
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This is not quite safe if the working copy changes during the
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commit; for the moment that is simply not allowed. A better
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approach is to make a temporary copy of the files before
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computing their hashes, and then add those hashes in turn to
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the inventory. This should mean at least that there are no
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broken hash pointers. There is no way we can get a snapshot
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of the whole directory at an instant. This would also have to
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be robust against files disappearing, moving, etc. So the
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whole thing is a bit hard.
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timestamp -- if not None, seconds-since-epoch for a
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postdated/predated commit.
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self._need_writelock()
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## TODO: Show branch names
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# TODO: Don't commit if there are no changes, unless forced?
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# First walk over the working inventory; and both update that
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# and also build a new revision inventory. The revision
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# inventory needs to hold the text-id, sha1 and size of the
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# actual file versions committed in the revision. (These are
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# not present in the working inventory.) We also need to
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# detect missing/deleted files, and remove them from the
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work_inv = self.read_working_inventory()
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basis = self.basis_tree()
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basis_inv = basis.inventory
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for path, entry in work_inv.iter_entries():
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## TODO: Cope with files that have gone missing.
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## TODO: Check that the file kind has not changed from the previous
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## revision of this file (if any).
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p = self.abspath(path)
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file_id = entry.file_id
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mutter('commit prep file %s, id %r ' % (p, file_id))
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if not os.path.exists(p):
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mutter(" file is missing, removing from inventory")
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show_status('D', entry.kind, quotefn(path))
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missing_ids.append(file_id)
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# TODO: Handle files that have been deleted
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# TODO: Maybe a special case for empty files? Seems a
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# waste to store them many times.
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if basis_inv.has_id(file_id):
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old_kind = basis_inv[file_id].kind
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if old_kind != entry.kind:
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bailout("entry %r changed kind from %r to %r"
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% (file_id, old_kind, entry.kind))
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if entry.kind == 'directory':
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bailout("%s is entered as directory but not a directory" % quotefn(p))
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elif entry.kind == 'file':
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bailout("%s is entered as file but is not a file" % quotefn(p))
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content = file(p, 'rb').read()
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entry.text_sha1 = sha_string(content)
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entry.text_size = len(content)
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old_ie = basis_inv.has_id(file_id) and basis_inv[file_id]
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and (old_ie.text_size == entry.text_size)
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and (old_ie.text_sha1 == entry.text_sha1)):
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## assert content == basis.get_file(file_id).read()
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entry.text_id = basis_inv[file_id].text_id
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mutter(' unchanged from previous text_id {%s}' %
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entry.text_id = gen_file_id(entry.name)
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self.text_store.add(content, entry.text_id)
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mutter(' stored with text_id {%s}' % entry.text_id)
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elif (old_ie.name == entry.name
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and old_ie.parent_id == entry.parent_id):
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show_status(state, entry.kind, quotefn(path))
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for file_id in missing_ids:
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# have to do this later so we don't mess up the iterator.
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# since parents may be removed before their children we
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# FIXME: There's probably a better way to do this; perhaps
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# the workingtree should know how to filter itself.
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if work_inv.has_id(file_id):
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del work_inv[file_id]
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inv_id = rev_id = _gen_revision_id(time.time())
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inv_tmp = tempfile.TemporaryFile()
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inv.write_xml(inv_tmp)
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self.inventory_store.add(inv_tmp, inv_id)
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mutter('new inventory_id is {%s}' % inv_id)
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self._write_inventory(work_inv)
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if timestamp == None:
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timestamp = time.time()
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if committer == None:
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committer = username()
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timezone = local_time_offset()
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mutter("building commit log message")
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rev = Revision(timestamp=timestamp,
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precursor = self.last_patch(),
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rev_tmp = tempfile.TemporaryFile()
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rev.write_xml(rev_tmp)
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self.revision_store.add(rev_tmp, rev_id)
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mutter("new revision_id is {%s}" % rev_id)
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## XXX: Everything up to here can simply be orphaned if we abort
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## the commit; it will leave junk files behind but that doesn't
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## TODO: Read back the just-generated changeset, and make sure it
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## applies and recreates the right state.
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## TODO: Also calculate and store the inventory SHA1
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mutter("committing patch r%d" % (self.revno() + 1))
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self.append_revision(rev_id)
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note("commited r%d" % self.revno())
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def append_revision(self, revision_id):
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from bzrlib.atomicfile import AtomicFile
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mutter("add {%s} to revision-history" % revision_id)
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rev_history = self.revision_history()
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tmprhname = self.controlfilename('revision-history.tmp')
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rhname = self.controlfilename('revision-history')
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f = file(tmprhname, 'wt')
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rev_history.append(revision_id)
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f.write('\n'.join(rev_history))
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if sys.platform == 'win32':
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os.rename(tmprhname, rhname)
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rev_history = self.revision_history() + [revision_id]
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f = AtomicFile(self.controlfilename('revision-history'))
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for rev_id in rev_history:
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def get_revision(self, revision_id):
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"""Return the Revision object for a named revision"""
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self._need_readlock()
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from bzrlib.revision import Revision
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if not revision_id or not isinstance(revision_id, basestring):
559
raise ValueError('invalid revision-id: %r' % revision_id)
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r = Revision.read_xml(self.revision_store[revision_id])
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assert r.revision_id == revision_id
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def get_revision_sha1(self, revision_id):
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"""Hash the stored value of a revision, and return it."""
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# In the future, revision entries will be signed. At that
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# point, it is probably best *not* to include the signature
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# in the revision hash. Because that lets you re-sign
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# the revision, (add signatures/remove signatures) and still
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# have all hash pointers stay consistent.
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# But for now, just hash the contents.
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return sha_file(self.revision_store[revision_id])
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def get_inventory(self, inventory_id):
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"""Get Inventory object by hash.
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>>> ScratchBranch().revision_history()
706
self._need_readlock()
707
return [l.rstrip('\r\n') for l in self.controlfile('revision-history', 'r').readlines()]
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return [l.rstrip('\r\n') for l in
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self.controlfile('revision-history', 'r').readlines()]
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def common_ancestor(self, other, self_revno=None, other_revno=None):
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>>> sb = ScratchBranch(files=['foo', 'foo~'])
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>>> sb.common_ancestor(sb) == (None, None)
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>>> commit.commit(sb, "Committing first revision", verbose=False)
621
>>> sb.common_ancestor(sb)[0]
623
>>> clone = sb.clone()
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>>> commit.commit(sb, "Committing second revision", verbose=False)
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>>> sb.common_ancestor(sb)[0]
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>>> sb.common_ancestor(clone)[0]
629
>>> commit.commit(clone, "Committing divergent second revision",
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>>> sb.common_ancestor(clone)[0]
633
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
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>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
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>>> clone2 = sb.clone()
638
>>> sb.common_ancestor(clone2)[0]
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>>> sb.common_ancestor(clone2, self_revno=1)[0]
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>>> sb.common_ancestor(clone2, other_revno=1)[0]
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my_history = self.revision_history()
646
other_history = other.revision_history()
647
if self_revno is None:
648
self_revno = len(my_history)
649
if other_revno is None:
650
other_revno = len(other_history)
651
indices = range(min((self_revno, other_revno)))
654
if my_history[r] == other_history[r]:
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return r+1, my_history[r]
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def enum_history(self, direction):
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"""Return (revno, revision_id) for history of branch.
735
683
That is equivalent to the number of revisions committed to
738
>>> b = ScratchBranch()
741
>>> b.commit('no foo')
745
686
return len(self.revision_history())
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def last_patch(self):
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"""Return last patch hash, or None if no history.
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>>> ScratchBranch().last_patch() == None
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ph = self.revision_history()
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def missing_revisions(self, other, stop_revision=None):
701
If self and other have not diverged, return a list of the revisions
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present in other, but missing from self.
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>>> from bzrlib.commit import commit
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>>> bzrlib.trace.silent = True
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>>> br1 = ScratchBranch()
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>>> br2 = ScratchBranch()
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>>> br1.missing_revisions(br2)
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>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
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>>> br1.missing_revisions(br2)
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>>> br2.missing_revisions(br1)
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>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
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>>> br1.missing_revisions(br2)
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>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
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>>> br1.missing_revisions(br2)
721
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
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>>> br1.missing_revisions(br2)
723
Traceback (most recent call last):
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DivergedBranches: These branches have diverged.
726
self_history = self.revision_history()
727
self_len = len(self_history)
728
other_history = other.revision_history()
729
other_len = len(other_history)
730
common_index = min(self_len, other_len) -1
731
if common_index >= 0 and \
732
self_history[common_index] != other_history[common_index]:
733
raise DivergedBranches(self, other)
735
if stop_revision is None:
736
stop_revision = other_len
737
elif stop_revision > other_len:
738
raise NoSuchRevision(self, stop_revision)
740
return other_history[self_len:stop_revision]
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def update_revisions(self, other, stop_revision=None):
744
"""Pull in all new revisions from other branch.
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>>> from bzrlib.commit import commit
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>>> bzrlib.trace.silent = True
748
>>> br1 = ScratchBranch(files=['foo', 'bar'])
751
>>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
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>>> br2 = ScratchBranch()
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>>> br2.update_revisions(br1)
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>>> br2.revision_history()
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>>> br2.update_revisions(br1)
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>>> br1.text_store.total_size() == br2.text_store.total_size()
766
from bzrlib.progress import ProgressBar
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from sets import Set as set
774
pb.update('comparing histories')
775
revision_ids = self.missing_revisions(other, stop_revision)
777
if hasattr(other.revision_store, "prefetch"):
778
other.revision_store.prefetch(revision_ids)
779
if hasattr(other.inventory_store, "prefetch"):
780
inventory_ids = [other.get_revision(r).inventory_id
781
for r in revision_ids]
782
other.inventory_store.prefetch(inventory_ids)
787
for rev_id in revision_ids:
789
pb.update('fetching revision', i, len(revision_ids))
790
rev = other.get_revision(rev_id)
791
revisions.append(rev)
792
inv = other.get_inventory(str(rev.inventory_id))
793
for key, entry in inv.iter_entries():
794
if entry.text_id is None:
796
if entry.text_id not in self.text_store:
797
needed_texts.add(entry.text_id)
801
count = self.text_store.copy_multi(other.text_store, needed_texts)
802
print "Added %d texts." % count
803
inventory_ids = [ f.inventory_id for f in revisions ]
804
count = self.inventory_store.copy_multi(other.inventory_store,
806
print "Added %d inventories." % count
807
revision_ids = [ f.revision_id for f in revisions]
808
count = self.revision_store.copy_multi(other.revision_store,
810
for revision_id in revision_ids:
811
self.append_revision(revision_id)
812
print "Added %d revisions." % count
815
def commit(self, *args, **kw):
816
from bzrlib.commit import commit
817
commit(self, *args, **kw)
761
820
def lookup_revision(self, revno):
818
870
This can change the directory or the filename or both.
820
self._need_writelock()
821
tree = self.working_tree()
823
if not tree.has_filename(from_rel):
824
bailout("can't rename: old working file %r does not exist" % from_rel)
825
if tree.has_filename(to_rel):
826
bailout("can't rename: new working file %r already exists" % to_rel)
828
file_id = inv.path2id(from_rel)
830
bailout("can't rename: old name %r is not versioned" % from_rel)
832
if inv.path2id(to_rel):
833
bailout("can't rename: new name %r is already versioned" % to_rel)
835
to_dir, to_tail = os.path.split(to_rel)
836
to_dir_id = inv.path2id(to_dir)
837
if to_dir_id == None and to_dir != '':
838
bailout("can't determine destination directory id for %r" % to_dir)
840
mutter("rename_one:")
841
mutter(" file_id {%s}" % file_id)
842
mutter(" from_rel %r" % from_rel)
843
mutter(" to_rel %r" % to_rel)
844
mutter(" to_dir %r" % to_dir)
845
mutter(" to_dir_id {%s}" % to_dir_id)
847
inv.rename(file_id, to_dir_id, to_tail)
849
print "%s => %s" % (from_rel, to_rel)
851
from_abs = self.abspath(from_rel)
852
to_abs = self.abspath(to_rel)
854
os.rename(from_abs, to_abs)
856
bailout("failed to rename %r to %r: %s"
857
% (from_abs, to_abs, e[1]),
858
["rename rolled back"])
860
self._write_inventory(inv)
874
tree = self.working_tree()
876
if not tree.has_filename(from_rel):
877
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
878
if tree.has_filename(to_rel):
879
raise BzrError("can't rename: new working file %r already exists" % to_rel)
881
file_id = inv.path2id(from_rel)
883
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
885
if inv.path2id(to_rel):
886
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
888
to_dir, to_tail = os.path.split(to_rel)
889
to_dir_id = inv.path2id(to_dir)
890
if to_dir_id == None and to_dir != '':
891
raise BzrError("can't determine destination directory id for %r" % to_dir)
893
mutter("rename_one:")
894
mutter(" file_id {%s}" % file_id)
895
mutter(" from_rel %r" % from_rel)
896
mutter(" to_rel %r" % to_rel)
897
mutter(" to_dir %r" % to_dir)
898
mutter(" to_dir_id {%s}" % to_dir_id)
900
inv.rename(file_id, to_dir_id, to_tail)
902
print "%s => %s" % (from_rel, to_rel)
904
from_abs = self.abspath(from_rel)
905
to_abs = self.abspath(to_rel)
907
os.rename(from_abs, to_abs)
909
raise BzrError("failed to rename %r to %r: %s"
910
% (from_abs, to_abs, e[1]),
911
["rename rolled back"])
913
self._write_inventory(inv)
864
918
def move(self, from_paths, to_name):
872
926
Note that to_name is only the last component of the new name;
873
927
this doesn't change the directory.
875
self._need_writelock()
876
## TODO: Option to move IDs only
877
assert not isinstance(from_paths, basestring)
878
tree = self.working_tree()
880
to_abs = self.abspath(to_name)
881
if not isdir(to_abs):
882
bailout("destination %r is not a directory" % to_abs)
883
if not tree.has_filename(to_name):
884
bailout("destination %r not in working directory" % to_abs)
885
to_dir_id = inv.path2id(to_name)
886
if to_dir_id == None and to_name != '':
887
bailout("destination %r is not a versioned directory" % to_name)
888
to_dir_ie = inv[to_dir_id]
889
if to_dir_ie.kind not in ('directory', 'root_directory'):
890
bailout("destination %r is not a directory" % to_abs)
892
to_idpath = Set(inv.get_idpath(to_dir_id))
895
if not tree.has_filename(f):
896
bailout("%r does not exist in working tree" % f)
897
f_id = inv.path2id(f)
899
bailout("%r is not versioned" % f)
900
name_tail = splitpath(f)[-1]
901
dest_path = appendpath(to_name, name_tail)
902
if tree.has_filename(dest_path):
903
bailout("destination %r already exists" % dest_path)
904
if f_id in to_idpath:
905
bailout("can't move %r to a subdirectory of itself" % f)
907
# OK, so there's a race here, it's possible that someone will
908
# create a file in this interval and then the rename might be
909
# left half-done. But we should have caught most problems.
912
name_tail = splitpath(f)[-1]
913
dest_path = appendpath(to_name, name_tail)
914
print "%s => %s" % (f, dest_path)
915
inv.rename(inv.path2id(f), to_dir_id, name_tail)
931
## TODO: Option to move IDs only
932
assert not isinstance(from_paths, basestring)
933
tree = self.working_tree()
935
to_abs = self.abspath(to_name)
936
if not isdir(to_abs):
937
raise BzrError("destination %r is not a directory" % to_abs)
938
if not tree.has_filename(to_name):
939
raise BzrError("destination %r not in working directory" % to_abs)
940
to_dir_id = inv.path2id(to_name)
941
if to_dir_id == None and to_name != '':
942
raise BzrError("destination %r is not a versioned directory" % to_name)
943
to_dir_ie = inv[to_dir_id]
944
if to_dir_ie.kind not in ('directory', 'root_directory'):
945
raise BzrError("destination %r is not a directory" % to_abs)
947
to_idpath = inv.get_idpath(to_dir_id)
950
if not tree.has_filename(f):
951
raise BzrError("%r does not exist in working tree" % f)
952
f_id = inv.path2id(f)
954
raise BzrError("%r is not versioned" % f)
955
name_tail = splitpath(f)[-1]
956
dest_path = appendpath(to_name, name_tail)
957
if tree.has_filename(dest_path):
958
raise BzrError("destination %r already exists" % dest_path)
959
if f_id in to_idpath:
960
raise BzrError("can't move %r to a subdirectory of itself" % f)
962
# OK, so there's a race here, it's possible that someone will
963
# create a file in this interval and then the rename might be
964
# left half-done. But we should have caught most problems.
967
name_tail = splitpath(f)[-1]
968
dest_path = appendpath(to_name, name_tail)
969
print "%s => %s" % (f, dest_path)
970
inv.rename(inv.path2id(f), to_dir_id, name_tail)
972
os.rename(self.abspath(f), self.abspath(dest_path))
974
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
975
["rename rolled back"])
977
self._write_inventory(inv)
982
def revert(self, filenames, old_tree=None, backups=True):
983
"""Restore selected files to the versions from a previous tree.
986
If true (default) backups are made of files before
989
from bzrlib.errors import NotVersionedError, BzrError
990
from bzrlib.atomicfile import AtomicFile
991
from bzrlib.osutils import backup_file
993
inv = self.read_working_inventory()
995
old_tree = self.basis_tree()
996
old_inv = old_tree.inventory
1000
file_id = inv.path2id(fn)
1002
raise NotVersionedError("not a versioned file", fn)
1003
if not old_inv.has_id(file_id):
1004
raise BzrError("file not present in old tree", fn, file_id)
1005
nids.append((fn, file_id))
1007
# TODO: Rename back if it was previously at a different location
1009
# TODO: If given a directory, restore the entire contents from
1010
# the previous version.
1012
# TODO: Make a backup to a temporary file.
1014
# TODO: If the file previously didn't exist, delete it?
1015
for fn, file_id in nids:
1018
f = AtomicFile(fn, 'wb')
917
os.rename(self.abspath(f), self.abspath(dest_path))
919
bailout("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
920
["rename rolled back"])
922
self._write_inventory(inv)
1020
f.write(old_tree.get_file(file_id).read())