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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from warnings import warn
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from cStringIO import StringIO
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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, 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
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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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from bzrlib.inventory import InventoryEntry
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import bzrlib.inventory as inventory
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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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rename, splitpath, sha_file, appendpath,
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import bzrlib.errors as errors
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from bzrlib.errors import (BzrError, InvalidRevisionNumber, InvalidRevisionId,
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NoSuchRevision, HistoryMissing, NotBranchError,
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DivergedBranches, LockError, UnlistableStore,
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UnlistableBranch, NoSuchFile)
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from bzrlib.textui import show_status
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from bzrlib.revision import Revision
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from bzrlib.delta import compare_trees
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from bzrlib.tree import EmptyTree, RevisionTree
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from bzrlib.inventory import Inventory
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from bzrlib.store import copy_all
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from bzrlib.store.compressed_text import CompressedTextStore
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from bzrlib.store.text import TextStore
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from bzrlib.store.weave import WeaveStore
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import bzrlib.transactions as transactions
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from bzrlib.transport import Transport, get_transport
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BZR_BRANCH_FORMAT_4 = "Bazaar-NG branch, format 0.0.4\n"
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BZR_BRANCH_FORMAT_5 = "Bazaar-NG branch, format 5\n"
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BZR_BRANCH_FORMAT_6 = "Bazaar-NG branch, format 6\n"
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## TODO: Maybe include checks for common corruption of newlines, etc?
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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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It is not necessary that f exists.
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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. In general anything can be
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# cached in memory between lock and unlock operations.
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def find_branch(*ignored, **ignored_too):
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# XXX: leave this here for about one release, then remove it
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raise NotImplementedError('find_branch() is not supported anymore, '
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'please use one of the new branch constructors')
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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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raise NotBranchError("path %r is not within branch %r" % (rp, base))
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def find_branch_root(t):
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"""Find the branch root enclosing the transport's base.
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t is a Transport object.
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It is not necessary that the base of t exists.
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Basically we keep looking up until we find the control directory or
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elif hasattr(os.path, 'realpath'):
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f = os.path.realpath(f)
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f = os.path.abspath(f)
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run into the root. If there isn't one, raises NotBranchError.
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if os.path.exists(os.path.join(f, bzrlib.BZRDIR)):
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head, tail = os.path.split(f)
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if t.has(bzrlib.BZRDIR):
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new_t = t.clone('..')
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if new_t.base == t.base:
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# reached the root, whatever that may be
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bailout('%r is not in a branch' % orig_f)
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raise NotBranchError('%s is not in a branch' % orig_base)
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######################################################################
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class Branch(object):
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"""Branch holding a history of revisions.
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:todo: Perhaps use different stores for different classes of object,
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so that we can keep track of how much space each one uses,
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or garbage-collect them.
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:todo: Add a RemoteBranch subclass. For the basic case of read-only
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HTTP access this should be very easy by,
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just redirecting controlfile access into HTTP requests.
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We would need a RemoteStore working similarly.
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:todo: Keep the on-disk branch locked while the object exists.
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:todo: mkdir() method.
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def __init__(self, base, init=False, find_root=True):
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Base directory/url of the branch.
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def __init__(self, *ignored, **ignored_too):
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raise NotImplementedError('The Branch class is abstract')
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def open_downlevel(base):
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"""Open a branch which may be of an old format.
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Only local branches are supported."""
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return _Branch(get_transport(base), relax_version_check=True)
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"""Open an existing branch, rooted at 'base' (url)"""
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t = get_transport(base)
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mutter("trying to open %r with transport %r", base, t)
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def open_containing(url):
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"""Open an existing branch which contains url.
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This probes for a branch at url, and searches upwards from there.
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t = get_transport(url)
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t = find_branch_root(t)
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def initialize(base):
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"""Create a new branch, rooted at 'base' (url)"""
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t = get_transport(base)
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return _Branch(t, init=True)
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def setup_caching(self, cache_root):
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"""Subclasses that care about caching should override this, and set
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up cached stores located under cache_root.
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self.cache_root = cache_root
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class _Branch(Branch):
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"""A branch stored in the actual filesystem.
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Note that it's "local" in the context of the filesystem; it doesn't
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really matter if it's on an nfs/smb/afs/coda/... share, as long as
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it's writable, and can be accessed via the normal filesystem API.
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If _lock_mode is true, a positive count of the number of times the
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Lock object from bzrlib.lock.
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# We actually expect this class to be somewhat short-lived; part of its
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# purpose is to try to isolate what bits of the branch logic are tied to
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# filesystem access, so that in a later step, we can extricate them to
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# a separarte ("storage") class.
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_inventory_weave = 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 push_stores(self, branch_to):
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"""Copy the content of this branches store to branch_to."""
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if (self._branch_format != branch_to._branch_format
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or self._branch_format != 4):
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from bzrlib.fetch import greedy_fetch
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mutter("falling back to fetch logic to push between %s(%s) and %s(%s)",
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self, self._branch_format, branch_to, branch_to._branch_format)
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greedy_fetch(to_branch=branch_to, from_branch=self,
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revision=self.last_revision())
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store_pairs = ((self.text_store, branch_to.text_store),
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(self.inventory_store, branch_to.inventory_store),
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(self.revision_store, branch_to.revision_store))
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for from_store, to_store in store_pairs:
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copy_all(from_store, to_store)
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except UnlistableStore:
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raise UnlistableBranch(from_store)
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def __init__(self, transport, init=False,
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relax_version_check=False):
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"""Create new branch object at a particular location.
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:param base: Base directory for the branch.
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transport -- A Transport object, defining how to access files.
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(If a string, transport.transport() will be used to
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create a Transport object)
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:param init: If True, create new control files in a previously
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init -- If True, create new control files in a previously
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unversioned directory. If False, the branch must already
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: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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relax_version_check -- If true, the usual check for the branch
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version is not applied. This is intended only for
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upgrade/recovery type use; it's not guaranteed that
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all operations will work on old format branches.
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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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assert isinstance(transport, Transport), \
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"%r is not a Transport" % transport
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self._transport = transport
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self.base = os.path.realpath(base)
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self._make_control()
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self.base = find_branch_root(base)
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self.base = os.path.realpath(base)
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if not isdir(self.controlfilename('.')):
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bailout("not a bzr branch: %s" % quotefn(base),
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['use "bzr init" to initialize a new working tree',
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'current bzr can only operate from top-of-tree'])
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self.text_store = ImmutableStore(self.controlfilename('text-store'))
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self.revision_store = ImmutableStore(self.controlfilename('revision-store'))
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self.inventory_store = ImmutableStore(self.controlfilename('inventory-store'))
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self._check_format(relax_version_check)
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def get_store(name, compressed=True, prefixed=False):
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# FIXME: This approach of assuming stores are all entirely compressed
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# or entirely uncompressed is tidy, but breaks upgrade from
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# some existing branches where there's a mixture; we probably
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# still want the option to look for both.
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relpath = self._rel_controlfilename(name)
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store = CompressedTextStore(self._transport.clone(relpath),
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store = TextStore(self._transport.clone(relpath),
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#if self._transport.should_cache():
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# cache_path = os.path.join(self.cache_root, name)
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# os.mkdir(cache_path)
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# store = bzrlib.store.CachedStore(store, cache_path)
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def get_weave(name, prefixed=False):
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relpath = self._rel_controlfilename(name)
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ws = WeaveStore(self._transport.clone(relpath), prefixed=prefixed)
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if self._transport.should_cache():
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ws.enable_cache = True
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if self._branch_format == 4:
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self.inventory_store = get_store('inventory-store')
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self.text_store = get_store('text-store')
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self.revision_store = get_store('revision-store')
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elif self._branch_format == 5:
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self.control_weaves = get_weave([])
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self.weave_store = get_weave('weaves')
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self.revision_store = get_store('revision-store', compressed=False)
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elif self._branch_format == 6:
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self.control_weaves = get_weave([])
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self.weave_store = get_weave('weaves', prefixed=True)
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self.revision_store = get_store('revision-store', compressed=False,
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self._transaction = None
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def __str__(self):
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return '%s(%r)' % (self.__class__.__name__, self.base)
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return '%s(%r)' % (self.__class__.__name__, self._transport.base)
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__repr__ = __str__
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if self._lock_mode or self._lock:
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# XXX: This should show something every time, and be suitable for
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# headless operation and embedding
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warn("branch %r was not explicitly unlocked" % self)
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# TODO: It might be best to do this somewhere else,
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# but it is nice for a Branch object to automatically
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# cache it's information.
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# Alternatively, we could have the Transport objects cache requests
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# See the earlier discussion about how major objects (like Branch)
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# should never expect their __del__ function to run.
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if hasattr(self, 'cache_root') and self.cache_root is not None:
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shutil.rmtree(self.cache_root)
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self.cache_root = None
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return self._transport.base
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base = property(_get_base)
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def _finish_transaction(self):
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"""Exit the current transaction."""
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if self._transaction is None:
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raise errors.LockError('Branch %s is not in a transaction' %
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transaction = self._transaction
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self._transaction = None
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def get_transaction(self):
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"""Return the current active transaction.
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If no transaction is active, this returns a passthrough object
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for which all data is immedaitely flushed and no caching happens.
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if self._transaction is None:
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return transactions.PassThroughTransaction()
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return self._transaction
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def _set_transaction(self, new_transaction):
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"""Set a new active transaction."""
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if self._transaction is not None:
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raise errors.LockError('Branch %s is in a transaction already.' %
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self._transaction = new_transaction
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def lock_write(self):
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# TODO: Upgrade locking to support using a Transport,
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# and potentially a remote locking protocol
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if self._lock_mode != 'w':
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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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self._lock = self._transport.lock_write(
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self._rel_controlfilename('branch-lock'))
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self._lock_mode = 'w'
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self._set_transaction(transactions.PassThroughTransaction())
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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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self._lock = self._transport.lock_read(
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self._rel_controlfilename('branch-lock'))
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self._lock_mode = 'r'
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self._set_transaction(transactions.ReadOnlyTransaction())
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if not self._lock_mode:
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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._finish_transaction()
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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 self._transport.abspath(name)
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def relpath(self, path):
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"""Return path relative to this branch of something inside it.
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Raises an error if path is not in this branch."""
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rp = os.path.realpath(path)
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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 self._transport.relpath(path)
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def _rel_controlfilename(self, file_or_path):
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if isinstance(file_or_path, basestring):
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file_or_path = [file_or_path]
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return [bzrlib.BZRDIR] + file_or_path
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def controlfilename(self, file_or_path):
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"""Return location relative to branch."""
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if isinstance(file_or_path, types.StringTypes):
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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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return self._transport.abspath(self._rel_controlfilename(file_or_path))
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def controlfile(self, file_or_path, mode='r'):
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"""Open a control file for this branch"""
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return file(self.controlfilename(file_or_path), mode)
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"""Open a control file for this branch.
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There are two classes of file in the control directory: text
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and binary. binary files are untranslated byte streams. Text
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control files are stored with Unix newlines and in UTF-8, even
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if the platform or locale defaults are different.
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Controlfiles should almost never be opened in write mode but
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rather should be atomically copied and replaced using atomicfile.
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relpath = self._rel_controlfilename(file_or_path)
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#TODO: codecs.open() buffers linewise, so it was overloaded with
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# a much larger buffer, do we need to do the same for getreader/getwriter?
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return self._transport.get(relpath)
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raise BzrError("Branch.controlfile(mode='wb') is not supported, use put_controlfiles")
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return codecs.getreader('utf-8')(self._transport.get(relpath), errors='replace')
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raise BzrError("Branch.controlfile(mode='w') is not supported, use put_controlfiles")
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raise BzrError("invalid controlfile mode %r" % mode)
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def put_controlfile(self, path, f, encode=True):
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"""Write an entry as a controlfile.
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:param path: The path to put the file, relative to the .bzr control
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:param f: A file-like or string object whose contents should be copied.
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:param encode: If true, encode the contents as utf-8
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self.put_controlfiles([(path, f)], encode=encode)
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def put_controlfiles(self, files, encode=True):
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"""Write several entries as controlfiles.
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:param files: A list of [(path, file)] pairs, where the path is the directory
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underneath the bzr control directory
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:param encode: If true, encode the contents as utf-8
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for path, f in files:
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if isinstance(f, basestring):
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f = f.encode('utf-8', 'replace')
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f = codecs.getwriter('utf-8')(f, errors='replace')
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path = self._rel_controlfilename(path)
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ctrl_files.append((path, f))
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self._transport.put_multi(ctrl_files)
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def _make_control(self):
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os.mkdir(self.controlfilename([]))
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self.controlfile('README', 'w').write(
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from bzrlib.inventory import Inventory
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from bzrlib.weavefile import write_weave_v5
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from bzrlib.weave import Weave
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# Create an empty inventory
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# if we want per-tree root ids then this is the place to set
470
# them; they're not needed for now and so ommitted for
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bzrlib.xml5.serializer_v5.write_inventory(Inventory(), sio)
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empty_inv = sio.getvalue()
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bzrlib.weavefile.write_weave_v5(Weave(), sio)
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empty_weave = sio.getvalue()
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dirs = [[], 'revision-store', 'weaves']
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"This is a Bazaar-NG control directory.\n"
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"Do not change any files in this directory.")
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self.controlfile('branch-format', 'wb').write(BZR_BRANCH_FORMAT)
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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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self.controlfile(f, 'w').write('')
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mutter('created control directory in ' + self.base)
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Inventory().write_xml(self.controlfile('inventory','w'))
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def _check_format(self):
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"Do not change any files in this directory.\n"),
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('branch-format', BZR_BRANCH_FORMAT_6),
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('revision-history', ''),
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('pending-merges', ''),
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('inventory', empty_inv),
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('inventory.weave', empty_weave),
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('ancestry.weave', empty_weave)
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cfn = self._rel_controlfilename
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self._transport.mkdir_multi([cfn(d) for d in dirs])
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self.put_controlfiles(files)
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mutter('created control directory in ' + self._transport.base)
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def _check_format(self, relax_version_check):
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497
"""Check this branch format is supported.
178
The current tool only supports the current unstable format.
499
The format level is stored, as an integer, in
500
self._branch_format for code that needs to check it later.
180
502
In the future, we might need different in-memory Branch
181
503
classes to support downlevel branches. But not yet.
183
# This ignores newlines so that we can open branches created
184
# on Windows from Linux and so on. I think it might be better
185
# to always make all internal files in unix format.
186
fmt = self.controlfile('branch-format', 'rb').read()
187
fmt.replace('\r\n', '')
188
if fmt != BZR_BRANCH_FORMAT:
189
bailout('sorry, branch format %r not supported' % fmt,
190
['use a different bzr version',
191
'or remove the .bzr directory and "bzr init" again'])
506
fmt = self.controlfile('branch-format', 'r').read()
508
raise NotBranchError(self.base)
509
mutter("got branch format %r", fmt)
510
if fmt == BZR_BRANCH_FORMAT_6:
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self._branch_format = 6
512
elif fmt == BZR_BRANCH_FORMAT_5:
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self._branch_format = 5
514
elif fmt == BZR_BRANCH_FORMAT_4:
515
self._branch_format = 4
517
if (not relax_version_check
518
and self._branch_format not in (5, 6)):
519
raise errors.UnsupportedFormatError(
520
'sorry, branch format %r not supported' % fmt,
521
['use a different bzr version',
522
'or remove the .bzr directory'
523
' and "bzr init" again'])
525
def get_root_id(self):
526
"""Return the id of this branches root"""
527
inv = self.read_working_inventory()
528
return inv.root.file_id
530
def set_root_id(self, file_id):
531
inv = self.read_working_inventory()
532
orig_root_id = inv.root.file_id
533
del inv._byid[inv.root.file_id]
534
inv.root.file_id = file_id
535
inv._byid[inv.root.file_id] = inv.root
538
if entry.parent_id in (None, orig_root_id):
539
entry.parent_id = inv.root.file_id
540
self._write_inventory(inv)
194
542
def read_working_inventory(self):
195
543
"""Read the working inventory."""
197
inv = Inventory.read_xml(self.controlfile('inventory', 'r'))
198
mutter("loaded inventory of %d items in %f"
199
% (len(inv), time.time() - before))
546
# ElementTree does its own conversion from UTF-8, so open in
548
f = self.controlfile('inventory', 'rb')
549
return bzrlib.xml5.serializer_v5.read_inventory(f)
203
554
def _write_inventory(self, inv):
204
555
"""Update the working inventory.
206
557
That is to say, the inventory describing changes underway, that
207
558
will be committed to the next revision.
209
## TODO: factor out to atomicfile? is rename safe on windows?
210
## TODO: Maybe some kind of clean/dirty marker on inventory?
211
tmpfname = self.controlfilename('inventory.tmp')
212
tmpf = file(tmpfname, 'w')
215
inv_fname = self.controlfilename('inventory')
216
if sys.platform == 'win32':
218
os.rename(tmpfname, inv_fname)
560
from cStringIO import StringIO
564
bzrlib.xml5.serializer_v5.write_inventory(inv, sio)
566
# Transport handles atomicity
567
self.put_controlfile('inventory', sio)
219
571
mutter('wrote working inventory')
222
573
inventory = property(read_working_inventory, _write_inventory, None,
223
574
"""Inventory for the working copy.""")
226
def add(self, files, verbose=False):
576
def add(self, files, ids=None):
227
577
"""Make files versioned.
579
Note that the command line normally calls smart_add instead,
580
which can automatically recurse.
229
582
This puts the files in the Added state, so that they will be
230
583
recorded by the next commit.
232
:todo: Perhaps have an option to add the ids even if the files do
235
:todo: Perhaps return the ids of the files? But then again it
236
is easy to retrieve them if they're needed.
238
:todo: Option to specify file id.
240
:todo: Adding a directory should optionally recurse down and
241
add all non-ignored children. Perhaps do that in a
244
>>> b = ScratchBranch(files=['foo'])
245
>>> 'foo' in b.unknowns()
250
>>> 'foo' in b.unknowns()
252
>>> bool(b.inventory.path2id('foo'))
258
Traceback (most recent call last):
260
BzrError: ('foo is already versioned', [])
262
>>> b.add(['nothere'])
263
Traceback (most recent call last):
264
BzrError: ('cannot add: not a regular file or directory: nothere', [])
586
List of paths to add, relative to the base of the tree.
589
If set, use these instead of automatically generated ids.
590
Must be the same length as the list of files, but may
591
contain None for ids that are to be autogenerated.
593
TODO: Perhaps have an option to add the ids even if the files do
596
TODO: Perhaps yield the ids and paths as they're added.
267
598
# TODO: Re-adding a file that is removed in the working copy
268
599
# should probably put it back with the previous ID.
269
if isinstance(files, types.StringTypes):
600
if isinstance(files, basestring):
601
assert(ids is None or isinstance(ids, basestring))
272
inv = self.read_working_inventory()
274
if is_control_file(f):
275
bailout("cannot add control file %s" % quotefn(f))
280
bailout("cannot add top-level %r" % f)
282
fullpath = os.path.normpath(self.abspath(f))
285
kind = file_kind(fullpath)
287
# maybe something better?
288
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
290
if kind != 'file' and kind != 'directory':
291
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
293
file_id = gen_file_id(f)
294
inv.add_path(f, kind=kind, file_id=file_id)
297
show_status('A', kind, quotefn(f))
299
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
301
self._write_inventory(inv)
607
ids = [None] * len(files)
609
assert(len(ids) == len(files))
613
inv = self.read_working_inventory()
614
for f,file_id in zip(files, ids):
615
if is_control_file(f):
616
raise BzrError("cannot add control file %s" % quotefn(f))
621
raise BzrError("cannot add top-level %r" % f)
623
fullpath = os.path.normpath(self.abspath(f))
626
kind = file_kind(fullpath)
628
# maybe something better?
629
raise BzrError('cannot add: not a regular file, symlink or directory: %s' % quotefn(f))
631
if not InventoryEntry.versionable_kind(kind):
632
raise BzrError('cannot add: not a versionable file ('
633
'i.e. regular file, symlink or directory): %s' % quotefn(f))
636
file_id = gen_file_id(f)
637
inv.add_path(f, kind=kind, file_id=file_id)
639
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
641
self._write_inventory(inv)
646
def print_file(self, file, revno):
647
"""Print `file` to stdout."""
650
tree = self.revision_tree(self.get_rev_id(revno))
651
# use inventory as it was in that revision
652
file_id = tree.inventory.path2id(file)
654
raise BzrError("%r is not present in revision %s" % (file, revno))
655
tree.print_file(file_id)
305
660
def remove(self, files, verbose=False):
384
739
return self.working_tree().unknowns()
387
def commit(self, message, timestamp=None, timezone=None,
390
"""Commit working copy as a new revision.
392
The basic approach is to add all the file texts into the
393
store, then the inventory, then make a new revision pointing
394
to that inventory and store that.
396
This is not quite safe if the working copy changes during the
397
commit; for the moment that is simply not allowed. A better
398
approach is to make a temporary copy of the files before
399
computing their hashes, and then add those hashes in turn to
400
the inventory. This should mean at least that there are no
401
broken hash pointers. There is no way we can get a snapshot
402
of the whole directory at an instant. This would also have to
403
be robust against files disappearing, moving, etc. So the
404
whole thing is a bit hard.
406
:param timestamp: if not None, seconds-since-epoch for a
407
postdated/predated commit.
410
## TODO: Show branch names
412
# TODO: Don't commit if there are no changes, unless forced?
414
# First walk over the working inventory; and both update that
415
# and also build a new revision inventory. The revision
416
# inventory needs to hold the text-id, sha1 and size of the
417
# actual file versions committed in the revision. (These are
418
# not present in the working inventory.) We also need to
419
# detect missing/deleted files, and remove them from the
422
work_inv = self.read_working_inventory()
424
basis = self.basis_tree()
425
basis_inv = basis.inventory
427
for path, entry in work_inv.iter_entries():
428
## TODO: Cope with files that have gone missing.
430
## TODO: Check that the file kind has not changed from the previous
431
## revision of this file (if any).
435
p = self.abspath(path)
436
file_id = entry.file_id
437
mutter('commit prep file %s, id %r ' % (p, file_id))
439
if not os.path.exists(p):
440
mutter(" file is missing, removing from inventory")
442
show_status('D', entry.kind, quotefn(path))
443
missing_ids.append(file_id)
446
# TODO: Handle files that have been deleted
448
# TODO: Maybe a special case for empty files? Seems a
449
# waste to store them many times.
453
if basis_inv.has_id(file_id):
454
old_kind = basis_inv[file_id].kind
455
if old_kind != entry.kind:
456
bailout("entry %r changed kind from %r to %r"
457
% (file_id, old_kind, entry.kind))
459
if entry.kind == 'directory':
461
bailout("%s is entered as directory but not a directory" % quotefn(p))
462
elif entry.kind == 'file':
464
bailout("%s is entered as file but is not a file" % quotefn(p))
466
content = file(p, 'rb').read()
468
entry.text_sha1 = sha_string(content)
469
entry.text_size = len(content)
471
old_ie = basis_inv.has_id(file_id) and basis_inv[file_id]
473
and (old_ie.text_size == entry.text_size)
474
and (old_ie.text_sha1 == entry.text_sha1)):
475
## assert content == basis.get_file(file_id).read()
476
entry.text_id = basis_inv[file_id].text_id
477
mutter(' unchanged from previous text_id {%s}' %
481
entry.text_id = gen_file_id(entry.name)
482
self.text_store.add(content, entry.text_id)
483
mutter(' stored with text_id {%s}' % entry.text_id)
487
elif (old_ie.name == entry.name
488
and old_ie.parent_id == entry.parent_id):
493
show_status(state, entry.kind, quotefn(path))
495
for file_id in missing_ids:
496
# have to do this later so we don't mess up the iterator.
497
# since parents may be removed before their children we
500
# FIXME: There's probably a better way to do this; perhaps
501
# the workingtree should know how to filter itself.
502
if work_inv.has_id(file_id):
503
del work_inv[file_id]
506
inv_id = rev_id = _gen_revision_id(time.time())
508
inv_tmp = tempfile.TemporaryFile()
509
inv.write_xml(inv_tmp)
511
self.inventory_store.add(inv_tmp, inv_id)
512
mutter('new inventory_id is {%s}' % inv_id)
514
self._write_inventory(work_inv)
516
if timestamp == None:
517
timestamp = time.time()
519
if committer == None:
520
committer = username()
523
timezone = local_time_offset()
525
mutter("building commit log message")
526
rev = Revision(timestamp=timestamp,
529
precursor = self.last_patch(),
534
rev_tmp = tempfile.TemporaryFile()
535
rev.write_xml(rev_tmp)
537
self.revision_store.add(rev_tmp, rev_id)
538
mutter("new revision_id is {%s}" % rev_id)
540
## XXX: Everything up to here can simply be orphaned if we abort
541
## the commit; it will leave junk files behind but that doesn't
544
## TODO: Read back the just-generated changeset, and make sure it
545
## applies and recreates the right state.
547
## TODO: Also calculate and store the inventory SHA1
548
mutter("committing patch r%d" % (self.revno() + 1))
550
mutter("append to revision-history")
551
f = self.controlfile('revision-history', 'at')
552
f.write(rev_id + '\n')
556
note("commited r%d" % self.revno())
742
def append_revision(self, *revision_ids):
743
for revision_id in revision_ids:
744
mutter("add {%s} to revision-history" % revision_id)
747
rev_history = self.revision_history()
748
rev_history.extend(revision_ids)
749
self.put_controlfile('revision-history', '\n'.join(rev_history))
753
def has_revision(self, revision_id):
754
"""True if this branch has a copy of the revision.
756
This does not necessarily imply the revision is merge
757
or on the mainline."""
758
return (revision_id is None
759
or revision_id in self.revision_store)
761
def get_revision_xml_file(self, revision_id):
762
"""Return XML file object for revision object."""
763
if not revision_id or not isinstance(revision_id, basestring):
764
raise InvalidRevisionId(revision_id)
769
return self.revision_store[revision_id]
770
except (IndexError, KeyError):
771
raise bzrlib.errors.NoSuchRevision(self, revision_id)
776
get_revision_xml = get_revision_xml_file
778
def get_revision_xml(self, revision_id):
779
return self.get_revision_xml_file(revision_id).read()
559
782
def get_revision(self, revision_id):
560
783
"""Return the Revision object for a named revision"""
561
r = Revision.read_xml(self.revision_store[revision_id])
784
xml_file = self.get_revision_xml_file(revision_id)
787
r = bzrlib.xml5.serializer_v5.read_revision(xml_file)
788
except SyntaxError, e:
789
raise bzrlib.errors.BzrError('failed to unpack revision_xml',
562
793
assert r.revision_id == revision_id
566
def get_inventory(self, inventory_id):
567
"""Get Inventory object by hash.
569
:todo: Perhaps for this and similar methods, take a revision
570
parameter which can be either an integer revno or a
572
i = Inventory.read_xml(self.inventory_store[inventory_id])
796
def get_revision_delta(self, revno):
797
"""Return the delta for one revision.
799
The delta is relative to its mainline predecessor, or the
800
empty tree for revision 1.
802
assert isinstance(revno, int)
803
rh = self.revision_history()
804
if not (1 <= revno <= len(rh)):
805
raise InvalidRevisionNumber(revno)
807
# revno is 1-based; list is 0-based
809
new_tree = self.revision_tree(rh[revno-1])
811
old_tree = EmptyTree()
813
old_tree = self.revision_tree(rh[revno-2])
815
return compare_trees(old_tree, new_tree)
817
def get_revision_sha1(self, revision_id):
818
"""Hash the stored value of a revision, and return it."""
819
# In the future, revision entries will be signed. At that
820
# point, it is probably best *not* to include the signature
821
# in the revision hash. Because that lets you re-sign
822
# the revision, (add signatures/remove signatures) and still
823
# have all hash pointers stay consistent.
824
# But for now, just hash the contents.
825
return bzrlib.osutils.sha_file(self.get_revision_xml_file(revision_id))
827
def get_ancestry(self, revision_id):
828
"""Return a list of revision-ids integrated by a revision.
830
This currently returns a list, but the ordering is not guaranteed:
833
if revision_id is None:
835
w = self.get_inventory_weave()
836
return [None] + map(w.idx_to_name,
837
w.inclusions([w.lookup(revision_id)]))
839
def get_inventory_weave(self):
840
return self.control_weaves.get_weave('inventory',
841
self.get_transaction())
843
def get_inventory(self, revision_id):
844
"""Get Inventory object by hash."""
845
xml = self.get_inventory_xml(revision_id)
846
return bzrlib.xml5.serializer_v5.read_inventory_from_string(xml)
848
def get_inventory_xml(self, revision_id):
849
"""Get inventory XML as a file object."""
851
assert isinstance(revision_id, basestring), type(revision_id)
852
iw = self.get_inventory_weave()
853
return iw.get_text(iw.lookup(revision_id))
855
raise bzrlib.errors.HistoryMissing(self, 'inventory', revision_id)
857
def get_inventory_sha1(self, revision_id):
858
"""Return the sha1 hash of the inventory entry
860
return self.get_revision(revision_id).inventory_sha1
576
862
def get_revision_inventory(self, revision_id):
577
863
"""Return inventory of a past revision."""
864
# TODO: Unify this with get_inventory()
865
# bzr 0.0.6 and later imposes the constraint that the inventory_id
866
# must be the same as its revision, so this is trivial.
578
867
if revision_id == None:
868
return Inventory(self.get_root_id())
581
return self.get_inventory(self.get_revision(revision_id).inventory_id)
870
return self.get_inventory(revision_id)
584
872
def revision_history(self):
585
"""Return sequence of revision hashes on to this branch.
873
"""Return sequence of revision hashes on to this branch."""
876
return [l.rstrip('\r\n') for l in
877
self.controlfile('revision-history', 'r').readlines()]
587
>>> ScratchBranch().revision_history()
590
return [chomp(l) for l in self.controlfile('revision-history').readlines()]
881
def common_ancestor(self, other, self_revno=None, other_revno=None):
883
>>> from bzrlib.commit import commit
884
>>> sb = ScratchBranch(files=['foo', 'foo~'])
885
>>> sb.common_ancestor(sb) == (None, None)
887
>>> commit(sb, "Committing first revision", verbose=False)
888
>>> sb.common_ancestor(sb)[0]
890
>>> clone = sb.clone()
891
>>> commit(sb, "Committing second revision", verbose=False)
892
>>> sb.common_ancestor(sb)[0]
894
>>> sb.common_ancestor(clone)[0]
896
>>> commit(clone, "Committing divergent second revision",
898
>>> sb.common_ancestor(clone)[0]
900
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
902
>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
904
>>> clone2 = sb.clone()
905
>>> sb.common_ancestor(clone2)[0]
907
>>> sb.common_ancestor(clone2, self_revno=1)[0]
909
>>> sb.common_ancestor(clone2, other_revno=1)[0]
912
my_history = self.revision_history()
913
other_history = other.revision_history()
914
if self_revno is None:
915
self_revno = len(my_history)
916
if other_revno is None:
917
other_revno = len(other_history)
918
indices = range(min((self_revno, other_revno)))
921
if my_history[r] == other_history[r]:
922
return r+1, my_history[r]
596
929
That is equivalent to the number of revisions committed to
599
>>> b = ScratchBranch()
602
>>> b.commit('no foo')
606
932
return len(self.revision_history())
609
def last_patch(self):
935
def last_revision(self):
610
936
"""Return last patch hash, or None if no history.
612
>>> ScratchBranch().last_patch() == None
615
938
ph = self.revision_history()
620
def lookup_revision(self, revno):
621
"""Return revision hash for revision number."""
945
def missing_revisions(self, other, stop_revision=None, diverged_ok=False):
946
"""Return a list of new revisions that would perfectly fit.
948
If self and other have not diverged, return a list of the revisions
949
present in other, but missing from self.
951
>>> from bzrlib.commit import commit
952
>>> bzrlib.trace.silent = True
953
>>> br1 = ScratchBranch()
954
>>> br2 = ScratchBranch()
955
>>> br1.missing_revisions(br2)
957
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
958
>>> br1.missing_revisions(br2)
960
>>> br2.missing_revisions(br1)
962
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
963
>>> br1.missing_revisions(br2)
965
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
966
>>> br1.missing_revisions(br2)
968
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
969
>>> br1.missing_revisions(br2)
970
Traceback (most recent call last):
971
DivergedBranches: These branches have diverged.
973
# FIXME: If the branches have diverged, but the latest
974
# revision in this branch is completely merged into the other,
975
# then we should still be able to pull.
976
self_history = self.revision_history()
977
self_len = len(self_history)
978
other_history = other.revision_history()
979
other_len = len(other_history)
980
common_index = min(self_len, other_len) -1
981
if common_index >= 0 and \
982
self_history[common_index] != other_history[common_index]:
983
raise DivergedBranches(self, other)
985
if stop_revision is None:
986
stop_revision = other_len
988
assert isinstance(stop_revision, int)
989
if stop_revision > other_len:
990
raise bzrlib.errors.NoSuchRevision(self, stop_revision)
991
return other_history[self_len:stop_revision]
993
def update_revisions(self, other, stop_revision=None):
994
"""Pull in new perfect-fit revisions."""
995
from bzrlib.fetch import greedy_fetch
996
from bzrlib.revision import get_intervening_revisions
997
if stop_revision is None:
998
stop_revision = other.last_revision()
999
greedy_fetch(to_branch=self, from_branch=other,
1000
revision=stop_revision)
1001
pullable_revs = self.missing_revisions(
1002
other, other.revision_id_to_revno(stop_revision))
1004
greedy_fetch(to_branch=self,
1006
revision=pullable_revs[-1])
1007
self.append_revision(*pullable_revs)
1010
def commit(self, *args, **kw):
1011
from bzrlib.commit import Commit
1012
Commit().commit(self, *args, **kw)
1014
def revision_id_to_revno(self, revision_id):
1015
"""Given a revision id, return its revno"""
1016
if revision_id is None:
1018
history = self.revision_history()
1020
return history.index(revision_id) + 1
1022
raise bzrlib.errors.NoSuchRevision(self, revision_id)
1024
def get_rev_id(self, revno, history=None):
1025
"""Find the revision id of the specified revno."""
626
# list is 0-based; revisions are 1-based
627
return self.revision_history()[revno-1]
629
bailout("no such revision %s" % revno)
1029
history = self.revision_history()
1030
elif revno <= 0 or revno > len(history):
1031
raise bzrlib.errors.NoSuchRevision(self, revno)
1032
return history[revno - 1]
632
1034
def revision_tree(self, revision_id):
633
1035
"""Return Tree for a revision on this branch.
635
1037
`revision_id` may be None for the null revision, in which case
636
1038
an `EmptyTree` is returned."""
1039
# TODO: refactor this to use an existing revision object
1040
# so we don't need to read it in twice.
638
1041
if revision_id == None:
639
1042
return EmptyTree()
641
1044
inv = self.get_revision_inventory(revision_id)
642
return RevisionTree(self.text_store, inv)
1045
return RevisionTree(self.weave_store, inv, revision_id)
645
1048
def working_tree(self):
646
1049
"""Return a `Tree` for the working copy."""
647
return WorkingTree(self.base, self.read_working_inventory())
1050
from bzrlib.workingtree import WorkingTree
1051
# TODO: In the future, WorkingTree should utilize Transport
1052
# RobertCollins 20051003 - I don't think it should - working trees are
1053
# much more complex to keep consistent than our careful .bzr subset.
1054
# instead, we should say that working trees are local only, and optimise
1056
return WorkingTree(self._transport.base, self.read_working_inventory())
650
1059
def basis_tree(self):
651
1060
"""Return `Tree` object for last revision.
653
1062
If there are no revisions yet, return an `EmptyTree`.
655
>>> b = ScratchBranch(files=['foo'])
656
>>> b.basis_tree().has_filename('foo')
658
>>> b.working_tree().has_filename('foo')
661
>>> b.commit('add foo')
662
>>> b.basis_tree().has_filename('foo')
665
r = self.last_patch()
669
return RevisionTree(self.text_store, self.get_revision_inventory(r))
673
def write_log(self, show_timezone='original'):
674
"""Write out human-readable log of commits to this branch
676
:param utc: If true, show dates in universal time, not local time."""
677
## TODO: Option to choose either original, utc or local timezone
680
for p in self.revision_history():
682
print 'revno:', revno
683
## TODO: Show hash if --id is given.
684
##print 'revision-hash:', p
685
rev = self.get_revision(p)
686
print 'committer:', rev.committer
687
print 'timestamp: %s' % (format_date(rev.timestamp, rev.timezone or 0,
690
## opportunistic consistency check, same as check_patch_chaining
691
if rev.precursor != precursor:
692
bailout("mismatched precursor!")
696
print ' (no message)'
698
for l in rev.message.split('\n'):
1064
return self.revision_tree(self.last_revision())
705
1067
def rename_one(self, from_rel, to_rel):
706
tree = self.working_tree()
708
if not tree.has_filename(from_rel):
709
bailout("can't rename: old working file %r does not exist" % from_rel)
710
if tree.has_filename(to_rel):
711
bailout("can't rename: new working file %r already exists" % to_rel)
713
file_id = inv.path2id(from_rel)
715
bailout("can't rename: old name %r is not versioned" % from_rel)
717
if inv.path2id(to_rel):
718
bailout("can't rename: new name %r is already versioned" % to_rel)
720
to_dir, to_tail = os.path.split(to_rel)
721
to_dir_id = inv.path2id(to_dir)
722
if to_dir_id == None and to_dir != '':
723
bailout("can't determine destination directory id for %r" % to_dir)
725
mutter("rename_one:")
726
mutter(" file_id {%s}" % file_id)
727
mutter(" from_rel %r" % from_rel)
728
mutter(" to_rel %r" % to_rel)
729
mutter(" to_dir %r" % to_dir)
730
mutter(" to_dir_id {%s}" % to_dir_id)
732
inv.rename(file_id, to_dir_id, to_tail)
733
os.rename(self.abspath(from_rel), self.abspath(to_rel))
735
self._write_inventory(inv)
739
def rename(self, from_paths, to_name):
1070
This can change the directory or the filename or both.
1074
tree = self.working_tree()
1075
inv = tree.inventory
1076
if not tree.has_filename(from_rel):
1077
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
1078
if tree.has_filename(to_rel):
1079
raise BzrError("can't rename: new working file %r already exists" % to_rel)
1081
file_id = inv.path2id(from_rel)
1083
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
1085
if inv.path2id(to_rel):
1086
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
1088
to_dir, to_tail = os.path.split(to_rel)
1089
to_dir_id = inv.path2id(to_dir)
1090
if to_dir_id == None and to_dir != '':
1091
raise BzrError("can't determine destination directory id for %r" % to_dir)
1093
mutter("rename_one:")
1094
mutter(" file_id {%s}" % file_id)
1095
mutter(" from_rel %r" % from_rel)
1096
mutter(" to_rel %r" % to_rel)
1097
mutter(" to_dir %r" % to_dir)
1098
mutter(" to_dir_id {%s}" % to_dir_id)
1100
inv.rename(file_id, to_dir_id, to_tail)
1102
from_abs = self.abspath(from_rel)
1103
to_abs = self.abspath(to_rel)
1105
rename(from_abs, to_abs)
1107
raise BzrError("failed to rename %r to %r: %s"
1108
% (from_abs, to_abs, e[1]),
1109
["rename rolled back"])
1111
self._write_inventory(inv)
1116
def move(self, from_paths, to_name):
740
1117
"""Rename files.
1119
to_name must exist as a versioned directory.
742
1121
If to_name exists and is a directory, the files are moved into
743
1122
it, keeping their old names. If it is a directory,
745
1124
Note that to_name is only the last component of the new name;
746
1125
this doesn't change the directory.
1127
This returns a list of (from_path, to_path) pairs for each
1128
entry that is moved.
748
## TODO: Option to move IDs only
749
assert not isinstance(from_paths, basestring)
750
tree = self.working_tree()
752
dest_dir = isdir(self.abspath(to_name))
754
# TODO: Wind back properly if some can't be moved?
755
dest_dir_id = inv.path2id(to_name)
756
if not dest_dir_id and to_name != '':
757
bailout("destination %r is not a versioned directory" % to_name)
759
name_tail = splitpath(f)[-1]
760
dest_path = appendpath(to_name, name_tail)
761
print "%s => %s" % (f, dest_path)
762
inv.rename(inv.path2id(f), dest_dir_id, name_tail)
763
os.rename(self.abspath(f), self.abspath(dest_path))
1133
## TODO: Option to move IDs only
1134
assert not isinstance(from_paths, basestring)
1135
tree = self.working_tree()
1136
inv = tree.inventory
1137
to_abs = self.abspath(to_name)
1138
if not isdir(to_abs):
1139
raise BzrError("destination %r is not a directory" % to_abs)
1140
if not tree.has_filename(to_name):
1141
raise BzrError("destination %r not in working directory" % to_abs)
1142
to_dir_id = inv.path2id(to_name)
1143
if to_dir_id == None and to_name != '':
1144
raise BzrError("destination %r is not a versioned directory" % to_name)
1145
to_dir_ie = inv[to_dir_id]
1146
if to_dir_ie.kind not in ('directory', 'root_directory'):
1147
raise BzrError("destination %r is not a directory" % to_abs)
1149
to_idpath = inv.get_idpath(to_dir_id)
1151
for f in from_paths:
1152
if not tree.has_filename(f):
1153
raise BzrError("%r does not exist in working tree" % f)
1154
f_id = inv.path2id(f)
1156
raise BzrError("%r is not versioned" % f)
1157
name_tail = splitpath(f)[-1]
1158
dest_path = appendpath(to_name, name_tail)
1159
if tree.has_filename(dest_path):
1160
raise BzrError("destination %r already exists" % dest_path)
1161
if f_id in to_idpath:
1162
raise BzrError("can't move %r to a subdirectory of itself" % f)
1164
# OK, so there's a race here, it's possible that someone will
1165
# create a file in this interval and then the rename might be
1166
# left half-done. But we should have caught most problems.
1168
for f in from_paths:
1169
name_tail = splitpath(f)[-1]
1170
dest_path = appendpath(to_name, name_tail)
1171
result.append((f, dest_path))
1172
inv.rename(inv.path2id(f), to_dir_id, name_tail)
1174
rename(self.abspath(f), self.abspath(dest_path))
1176
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
1177
["rename rolled back"])
764
1179
self._write_inventory(inv)
766
if len(from_paths) != 1:
767
bailout("when moving multiple files, destination must be a directory")
768
bailout("rename to non-directory %r not implemented sorry" % to_name)
772
def show_status(branch, show_all=False):
773
"""Display single-line status for non-ignored working files.
775
The list is show sorted in order by file name.
777
>>> b = ScratchBranch(files=['foo', 'foo~'])
783
>>> b.commit("add foo")
785
>>> os.unlink(b.abspath('foo'))
790
:todo: Get state for single files.
792
:todo: Perhaps show a slash at the end of directory names.
796
# We have to build everything into a list first so that it can
797
# sorted by name, incorporating all the different sources.
799
# FIXME: Rather than getting things in random order and then sorting,
800
# just step through in order.
802
# Interesting case: the old ID for a file has been removed,
803
# but a new file has been created under that name.
805
old = branch.basis_tree()
806
old_inv = old.inventory
807
new = branch.working_tree()
808
new_inv = new.inventory
810
for fs, fid, oldname, newname, kind in diff_trees(old, new):
812
show_status(fs, kind,
813
oldname + ' => ' + newname)
814
elif fs == 'A' or fs == 'M':
815
show_status(fs, kind, newname)
817
show_status(fs, kind, oldname)
820
show_status(fs, kind, newname)
823
show_status(fs, kind, newname)
825
show_status(fs, kind, newname)
827
bailout("wierd file state %r" % ((fs, fid),))
831
class ScratchBranch(Branch):
1186
def revert(self, filenames, old_tree=None, backups=True):
1187
"""Restore selected files to the versions from a previous tree.
1190
If true (default) backups are made of files before
1193
from bzrlib.errors import NotVersionedError, BzrError
1194
from bzrlib.atomicfile import AtomicFile
1195
from bzrlib.osutils import backup_file
1197
inv = self.read_working_inventory()
1198
if old_tree is None:
1199
old_tree = self.basis_tree()
1200
old_inv = old_tree.inventory
1203
for fn in filenames:
1204
file_id = inv.path2id(fn)
1206
raise NotVersionedError("not a versioned file", fn)
1207
if not old_inv.has_id(file_id):
1208
raise BzrError("file not present in old tree", fn, file_id)
1209
nids.append((fn, file_id))
1211
# TODO: Rename back if it was previously at a different location
1213
# TODO: If given a directory, restore the entire contents from
1214
# the previous version.
1216
# TODO: Make a backup to a temporary file.
1218
# TODO: If the file previously didn't exist, delete it?
1219
for fn, file_id in nids:
1222
f = AtomicFile(fn, 'wb')
1224
f.write(old_tree.get_file(file_id).read())
1230
def pending_merges(self):
1231
"""Return a list of pending merges.
1233
These are revisions that have been merged into the working
1234
directory but not yet committed.
1236
cfn = self._rel_controlfilename('pending-merges')
1237
if not self._transport.has(cfn):
1240
for l in self.controlfile('pending-merges', 'r').readlines():
1241
p.append(l.rstrip('\n'))
1245
def add_pending_merge(self, *revision_ids):
1246
# TODO: Perhaps should check at this point that the
1247
# history of the revision is actually present?
1248
p = self.pending_merges()
1250
for rev_id in revision_ids:
1256
self.set_pending_merges(p)
1258
def set_pending_merges(self, rev_list):
1261
self.put_controlfile('pending-merges', '\n'.join(rev_list))
1266
def get_parent(self):
1267
"""Return the parent location of the branch.
1269
This is the default location for push/pull/missing. The usual
1270
pattern is that the user can override it by specifying a
1274
_locs = ['parent', 'pull', 'x-pull']
1277
return self.controlfile(l, 'r').read().strip('\n')
1279
if e.errno != errno.ENOENT:
1284
def set_parent(self, url):
1285
# TODO: Maybe delete old location files?
1286
from bzrlib.atomicfile import AtomicFile
1289
f = AtomicFile(self.controlfilename('parent'))
1298
def check_revno(self, revno):
1300
Check whether a revno corresponds to any revision.
1301
Zero (the NULL revision) is considered valid.
1304
self.check_real_revno(revno)
1306
def check_real_revno(self, revno):
1308
Check whether a revno corresponds to a real revision.
1309
Zero (the NULL revision) is considered invalid
1311
if revno < 1 or revno > self.revno():
1312
raise InvalidRevisionNumber(revno)
1318
class ScratchBranch(_Branch):
832
1319
"""Special test class: a branch that cleans up after itself.
834
1321
>>> b = ScratchBranch()
835
1322
>>> isdir(b.base)
842
def __init__(self, files=[], dirs=[]):
1329
def __init__(self, files=[], dirs=[], base=None):
843
1330
"""Make a test branch.
845
1332
This creates a temporary directory and runs init-tree in it.
847
1334
If any files are listed, they are created in the working copy.
849
Branch.__init__(self, tempfile.mkdtemp(), init=True)
1336
from tempfile import mkdtemp
1341
if isinstance(base, basestring):
1342
base = get_transport(base)
1343
_Branch.__init__(self, base, init=init)
851
os.mkdir(self.abspath(d))
1345
self._transport.mkdir(d)
854
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
1348
self._transport.put(f, 'content of %s' % f)
1353
>>> orig = ScratchBranch(files=["file1", "file2"])
1354
>>> clone = orig.clone()
1355
>>> if os.name != 'nt':
1356
... os.path.samefile(orig.base, clone.base)
1358
... orig.base == clone.base
1361
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1364
from shutil import copytree
1365
from tempfile import mkdtemp
1368
copytree(self.base, base, symlinks=True)
1369
return ScratchBranch(base=base)
857
1371
def __del__(self):
858
1375
"""Destroy the test branch, removing the scratch directory."""
1376
from shutil import rmtree
860
shutil.rmtree(self.base)
1379
mutter("delete ScratchBranch %s" % self.base)
862
1382
# Work around for shutil.rmtree failing on Windows when
863
1383
# readonly files are encountered
1384
mutter("hit exception in destroying ScratchBranch: %s" % e)
864
1385
for root, dirs, files in os.walk(self.base, topdown=False):
865
1386
for name in files:
866
1387
os.chmod(os.path.join(root, name), 0700)
867
shutil.rmtree(self.base)
1389
self._transport = None