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- Committer: Martin Pool
- Date: 2005-07-05 07:24:16 UTC
- Revision ID: mbp@sourcefrog.net-20050705072416-b2d1237f813f0820
quote
- files added:
- .rsyncexclude
- bzrlib/selftest
- contrib
- contrib/bash
- contrib/zsh
- effbot
- effbot/org
- elementtree
- patches
- plugins
- plugins/changeset
- plugins/rsync
- urlgrabber
- files removed:
- bzrlib/tests.py
- files modified:
- .bzrignore
added
removed
bzrlib/branch.py
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#! /usr/bin/env python
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# -*- coding: UTF-8 -*-
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# Copyright (C) 2005 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from sets import Set
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import sys, os, os.path, random, time, sha, sets, types, re, shutil, tempfile
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import traceback, socket, fnmatch, difflib, time
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from binascii import hexlify
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import sys, os
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import bzrlib
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from inventory import Inventory
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from trace import mutter, note
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from tree import Tree, EmptyTree, RevisionTree, WorkingTree
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from inventory import InventoryEntry, Inventory
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from osutils import isdir, quotefn, isfile, uuid, sha_file, username, chomp, \
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format_date, compact_date, pumpfile, user_email, rand_bytes, splitpath, \
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joinpath, sha_string, file_kind, local_time_offset
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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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from bzrlib.trace import mutter, note
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from bzrlib.osutils import isdir, quotefn, compact_date, rand_bytes, splitpath, \
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sha_file, appendpath, file_kind
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from bzrlib.errors import BzrError
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BZR_BRANCH_FORMAT = "Bazaar-NG branch, format 0.0.4\n"
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## TODO: Maybe include checks for common corruption of newlines, etc?
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def find_branch(f, **args):
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if f and (f.startswith('http://') or f.startswith('https://')):
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import remotebranch
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return remotebranch.RemoteBranch(f, **args)
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else:
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return Branch(f, **args)
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def find_cached_branch(f, cache_root, **args):
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from remotebranch import RemoteBranch
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br = find_branch(f, **args)
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def cacheify(br, store_name):
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from meta_store import CachedStore
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cache_path = os.path.join(cache_root, store_name)
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os.mkdir(cache_path)
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new_store = CachedStore(getattr(br, store_name), cache_path)
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setattr(br, store_name, new_store)
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if isinstance(br, RemoteBranch):
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cacheify(br, 'inventory_store')
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cacheify(br, 'text_store')
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cacheify(br, 'revision_store')
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return br
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def _relpath(base, path):
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"""Return path relative to base, or raise exception.
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The path may be either an absolute path or a path relative to the
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current working directory.
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Lifted out of Branch.relpath for ease of testing.
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os.path.commonprefix (python2.4) has a bad bug that it works just
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on string prefixes, assuming that '/u' is a prefix of '/u2'. This
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avoids that problem."""
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rp = os.path.abspath(path)
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s = []
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head = rp
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while len(head) >= len(base):
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if head == base:
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break
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head, tail = os.path.split(head)
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if tail:
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s.insert(0, tail)
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else:
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from errors import NotBranchError
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raise NotBranchError("path %r is not within branch %r" % (rp, base))
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return os.sep.join(s)
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def find_branch_root(f=None):
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"""Find the branch root enclosing f, or pwd.
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f may be a filename or a URL.
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It is not necessary that f exists.
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Basically we keep looking up until we find the control directory or
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run into the root."""
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if f == None:
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f = os.getcwd()
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elif hasattr(os.path, 'realpath'):
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f = os.path.realpath(f)
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else:
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f = os.path.abspath(f)
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if not os.path.exists(f):
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raise BzrError('%r does not exist' % f)
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orig_f = f
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while True:
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if os.path.exists(os.path.join(f, bzrlib.BZRDIR)):
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return f
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head, tail = os.path.split(f)
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if head == f:
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# reached the root, whatever that may be
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raise BzrError('%r is not in a branch' % orig_f)
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f = head
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class DivergedBranches(Exception):
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def __init__(self, branch1, branch2):
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self.branch1 = branch1
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self.branch2 = branch2
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Exception.__init__(self, "These branches have diverged.")
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class NoSuchRevision(BzrError):
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def __init__(self, branch, revision):
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self.branch = branch
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self.revision = revision
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msg = "Branch %s has no revision %d" % (branch, revision)
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BzrError.__init__(self, msg)
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######################################################################
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# branch objects
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class Branch:
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class Branch(object):
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"""Branch holding a history of revisions.
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:todo: Perhaps use different stores for different classes of object,
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so that we can keep track of how much space each one uses,
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or garbage-collect them.
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:todo: Add a RemoteBranch subclass. For the basic case of read-only
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HTTP access this should be very easy by,
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just redirecting controlfile access into HTTP requests.
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We would need a RemoteStore working similarly.
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:todo: Keep the on-disk branch locked while the object exists.
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:todo: mkdir() method.
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base
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Base directory of the branch.
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_lock_mode
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None, or 'r' or 'w'
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_lock_count
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If _lock_mode is true, a positive count of the number of times the
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lock has been taken.
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_lock
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Lock object from bzrlib.lock.
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"""
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def __init__(self, base, init=False):
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base = None
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_lock_mode = None
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_lock_count = None
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_lock = None
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def __init__(self, base, init=False, find_root=True):
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"""Create new branch object at a particular location.
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:param base: Base directory for the branch.
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:param init: If True, create new control files in a previously
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base -- Base directory for the branch.
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init -- If True, create new control files in a previously
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unversioned directory. If False, the branch must already
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be versioned.
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find_root -- If true and init is false, find the root of the
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existing branch containing base.
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In the test suite, creation of new trees is tested using the
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`ScratchBranch` class.
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"""
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self.base = os.path.realpath(base)
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from bzrlib.store import ImmutableStore
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if init:
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self.base = os.path.realpath(base)
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self._make_control()
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elif find_root:
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self.base = find_branch_root(base)
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else:
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self.base = os.path.realpath(base)
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if not isdir(self.controlfilename('.')):
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bailout("not a bzr branch: %s" % quotefn(base),
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['use "bzr init" to initialize a new working tree',
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'current bzr can only operate from top-of-tree'])
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self._check_format()
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from errors import NotBranchError
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raise NotBranchError("not a bzr branch: %s" % quotefn(base),
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['use "bzr init" to initialize a new working tree',
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'current bzr can only operate from top-of-tree'])
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self._check_format()
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self.text_store = ImmutableStore(self.controlfilename('text-store'))
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self.revision_store = ImmutableStore(self.controlfilename('revision-store'))
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__repr__ = __str__
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def _rel(self, name):
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"""Return filename relative to branch top"""
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def __del__(self):
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if self._lock_mode or self._lock:
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from warnings import warn
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warn("branch %r was not explicitly unlocked" % self)
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self._lock.unlock()
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def lock_write(self):
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if self._lock_mode:
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if self._lock_mode != 'w':
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from errors import LockError
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raise LockError("can't upgrade to a write lock from %r" %
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self._lock_mode)
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self._lock_count += 1
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else:
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from bzrlib.lock import WriteLock
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self._lock = WriteLock(self.controlfilename('branch-lock'))
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self._lock_mode = 'w'
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self._lock_count = 1
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def lock_read(self):
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if self._lock_mode:
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assert self._lock_mode in ('r', 'w'), \
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"invalid lock mode %r" % self._lock_mode
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self._lock_count += 1
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else:
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from bzrlib.lock import ReadLock
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self._lock = ReadLock(self.controlfilename('branch-lock'))
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self._lock_mode = 'r'
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self._lock_count = 1
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def unlock(self):
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if not self._lock_mode:
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from errors import LockError
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raise LockError('branch %r is not locked' % (self))
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if self._lock_count > 1:
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self._lock_count -= 1
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else:
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self._lock.unlock()
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self._lock = None
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self._lock_mode = self._lock_count = None
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def abspath(self, name):
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"""Return absolute filename for something in the branch"""
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return os.path.join(self.base, name)
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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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return _relpath(self.base, path)
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def controlfilename(self, file_or_path):
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"""Return location relative to branch."""
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if isinstance(file_or_path, types.StringTypes):
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if isinstance(file_or_path, basestring):
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file_or_path = [file_or_path]
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return os.path.join(self.base, bzrlib.BZRDIR, *file_or_path)
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def controlfile(self, file_or_path, mode='r'):
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"""Open a control file for this branch"""
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return file(self.controlfilename(file_or_path), mode)
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"""Open a control file for this branch.
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There are two classes of file in the control directory: text
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and binary. binary files are untranslated byte streams. Text
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control files are stored with Unix newlines and in UTF-8, even
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if the platform or locale defaults are different.
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Controlfiles should almost never be opened in write mode but
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rather should be atomically copied and replaced using atomicfile.
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"""
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fn = self.controlfilename(file_or_path)
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if mode == 'rb' or mode == 'wb':
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return file(fn, mode)
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elif mode == 'r' or mode == 'w':
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# open in binary mode anyhow so there's no newline translation;
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# codecs uses line buffering by default; don't want that.
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import codecs
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return codecs.open(fn, mode + 'b', 'utf-8',
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buffering=60000)
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else:
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raise BzrError("invalid controlfile mode %r" % mode)
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def _make_control(self):
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from bzrlib.inventory import Inventory
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from bzrlib.xml import pack_xml
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os.mkdir(self.controlfilename([]))
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self.controlfile('README', 'w').write(
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"This is a Bazaar-NG control directory.\n"
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"Do not change any files in this directory.")
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"Do not change any files in this directory.\n")
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self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT)
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for d in ('text-store', 'inventory-store', 'revision-store'):
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os.mkdir(self.controlfilename(d))
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for f in ('revision-history', 'merged-patches',
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'pending-merged-patches', 'branch-name'):
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'pending-merged-patches', 'branch-name',
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'branch-lock',
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'pending-merges'):
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self.controlfile(f, 'w').write('')
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mutter('created control directory in ' + self.base)
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Inventory().write_xml(self.controlfile('inventory','w'))
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pack_xml(Inventory(), self.controlfile('inventory','w'))
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def _check_format(self):
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In the future, we might need different in-memory Branch
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classes to support downlevel branches. But not yet.
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"""
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# read in binary mode to detect newline wierdness.
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fmt = self.controlfile('branch-format', 'rb').read()
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"""
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# This ignores newlines so that we can open branches created
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# on Windows from Linux and so on. I think it might be better
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# to always make all internal files in unix format.
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fmt = self.controlfile('branch-format', 'r').read()
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fmt.replace('\r\n', '')
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if fmt != BZR_BRANCH_FORMAT:
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bailout('sorry, branch format %r not supported' % fmt,
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['use a different bzr version',
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'or remove the .bzr directory and "bzr init" again'])
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raise BzrError('sorry, branch format %r not supported' % fmt,
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['use a different bzr version',
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'or remove the .bzr directory and "bzr init" again'])
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def read_working_inventory(self):
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"""Read the working inventory."""
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before = time.time()
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inv = Inventory.read_xml(self.controlfile('inventory', 'r'))
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mutter("loaded inventory of %d items in %f"
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% (len(inv), time.time() - before))
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return inv
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from bzrlib.inventory import Inventory
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from bzrlib.xml import unpack_xml
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from time import time
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before = time()
339
self.lock_read()
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try:
341
# ElementTree does its own conversion from UTF-8, so open in
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# binary.
343
inv = unpack_xml(Inventory,
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self.controlfile('inventory', 'rb'))
345
mutter("loaded inventory of %d items in %f"
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% (len(inv), time() - before))
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return inv
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finally:
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self.unlock()
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def _write_inventory(self, inv):
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"""Update the working inventory.
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That is to say, the inventory describing changes underway, that
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will be committed to the next revision.
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"""
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## TODO: factor out to atomicfile? is rename safe on windows?
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tmpfname = self.controlfilename('inventory.tmp')
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tmpf = file(tmpfname, 'w')
165
inv.write_xml(tmpf)
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tmpf.close()
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os.rename(tmpfname, self.controlfilename('inventory'))
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from bzrlib.atomicfile import AtomicFile
359
from bzrlib.xml import pack_xml
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self.lock_write()
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try:
363
f = AtomicFile(self.controlfilename('inventory'), 'wb')
364
try:
365
pack_xml(inv, f)
366
f.commit()
367
finally:
368
f.close()
369
finally:
370
self.unlock()
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mutter('wrote working inventory')
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inventory = property(read_working_inventory, _write_inventory, None,
172
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"""Inventory for the working copy.""")
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378
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def add(self, files, verbose=False):
379
def add(self, files, verbose=False, ids=None):
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"""Make files versioned.
177
381
382
Note that the command line normally calls smart_add instead.
383
178
384
This puts the files in the Added state, so that they will be
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385
recorded by the next commit.
180
386
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:todo: Perhaps have an option to add the ids even if the files do
182
not (yet) exist.
183
184
:todo: Perhaps return the ids of the files? But then again it
185
is easy to retrieve them if they're needed.
186
187
:todo: Option to specify file id.
188
189
:todo: Adding a directory should optionally recurse down and
190
add all non-ignored children. Perhaps do that in a
191
higher-level method.
192
193
>>> b = ScratchBranch(files=['foo'])
194
>>> 'foo' in b.unknowns()
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True
196
>>> b.show_status()
197
? foo
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>>> b.add('foo')
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>>> 'foo' in b.unknowns()
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False
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>>> bool(b.inventory.path2id('foo'))
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True
203
>>> b.show_status()
204
A foo
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206
>>> b.add('foo')
207
Traceback (most recent call last):
208
...
209
BzrError: ('foo is already versioned', [])
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>>> b.add(['nothere'])
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Traceback (most recent call last):
213
BzrError: ('cannot add: not a regular file or directory: nothere', [])
387
files
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List of paths to add, relative to the base of the tree.
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390
ids
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If set, use these instead of automatically generated ids.
392
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.
394
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TODO: Perhaps have an option to add the ids even if the files do
396
not (yet) exist.
397
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TODO: Perhaps return the ids of the files? But then again it
399
is easy to retrieve them if they're needed.
400
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TODO: Adding a directory should optionally recurse down and
402
add all non-ignored children. Perhaps do that in a
403
higher-level method.
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404
"""
215
405
from bzrlib.textui import show_status
216
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# TODO: Re-adding a file that is removed in the working copy
217
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# should probably put it back with the previous ID.
218
if isinstance(files, types.StringTypes):
408
if isinstance(files, basestring):
409
assert(ids is None or isinstance(ids, basestring))
219
410
files = [files]
220
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inv = self.read_working_inventory()
222
for f in files:
223
if is_control_file(f):
224
bailout("cannot add control file %s" % quotefn(f))
225
226
fp = splitpath(f)
227
228
if len(fp) == 0:
229
bailout("cannot add top-level %r" % f)
230
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fullpath = os.path.normpath(self._rel(f))
232
233
if isfile(fullpath):
234
kind = 'file'
235
elif isdir(fullpath):
236
kind = 'directory'
237
else:
238
bailout('cannot add: not a regular file or directory: %s' % quotefn(f))
239
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if len(fp) > 1:
241
parent_name = joinpath(fp[:-1])
242
mutter("lookup parent %r" % parent_name)
243
parent_id = inv.path2id(parent_name)
244
if parent_id == None:
245
bailout("cannot add: parent %r is not versioned"
246
% joinpath(fp[:-1]))
247
else:
248
parent_id = None
249
250
file_id = _gen_file_id(fp[-1])
251
inv.add(InventoryEntry(file_id, fp[-1], kind=kind, parent_id=parent_id))
252
if verbose:
253
show_status('A', kind, quotefn(f))
254
255
mutter("add file %s file_id:{%s} kind=%r parent_id={%s}"
256
% (f, file_id, kind, parent_id))
257
self._write_inventory(inv)
258
411
if ids is not None:
412
ids = [ids]
413
414
if ids is None:
415
ids = [None] * len(files)
416
else:
417
assert(len(ids) == len(files))
418
419
self.lock_write()
420
try:
421
inv = self.read_working_inventory()
422
for f,file_id in zip(files, ids):
423
if is_control_file(f):
424
raise BzrError("cannot add control file %s" % quotefn(f))
425
426
fp = splitpath(f)
427
428
if len(fp) == 0:
429
raise BzrError("cannot add top-level %r" % f)
430
431
fullpath = os.path.normpath(self.abspath(f))
432
433
try:
434
kind = file_kind(fullpath)
435
except OSError:
436
# maybe something better?
437
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
438
439
if kind != 'file' and kind != 'directory':
440
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
441
442
if file_id is None:
443
file_id = gen_file_id(f)
444
inv.add_path(f, kind=kind, file_id=file_id)
445
446
if verbose:
447
print 'added', quotefn(f)
448
449
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
450
451
self._write_inventory(inv)
452
finally:
453
self.unlock()
454
455
456
def print_file(self, file, revno):
457
"""Print `file` to stdout."""
458
self.lock_read()
459
try:
460
tree = self.revision_tree(self.lookup_revision(revno))
461
# use inventory as it was in that revision
462
file_id = tree.inventory.path2id(file)
463
if not file_id:
464
raise BzrError("%r is not present in revision %d" % (file, revno))
465
tree.print_file(file_id)
466
finally:
467
self.unlock()
259
468
260
469
261
470
def remove(self, files, verbose=False):
263
472
264
473
This does not remove their text. This does not run on
265
474
266
:todo: Refuse to remove modified files unless --force is given?
267
268
>>> b = ScratchBranch(files=['foo'])
269
>>> b.add('foo')
270
>>> b.inventory.has_filename('foo')
271
True
272
>>> b.remove('foo')
273
>>> b.working_tree().has_filename('foo')
274
True
275
>>> b.inventory.has_filename('foo')
276
False
277
278
>>> b = ScratchBranch(files=['foo'])
279
>>> b.add('foo')
280
>>> b.commit('one')
281
>>> b.remove('foo')
282
>>> b.commit('two')
283
>>> b.inventory.has_filename('foo')
284
False
285
>>> b.basis_tree().has_filename('foo')
286
False
287
>>> b.working_tree().has_filename('foo')
288
True
289
290
:todo: Do something useful with directories.
291
292
:todo: Should this remove the text or not? Tough call; not
475
TODO: Refuse to remove modified files unless --force is given?
476
477
TODO: Do something useful with directories.
478
479
TODO: Should this remove the text or not? Tough call; not
293
480
removing may be useful and the user can just use use rm, and
294
481
is the opposite of add. Removing it is consistent with most
295
482
other tools. Maybe an option.
296
483
"""
484
from bzrlib.textui import show_status
297
485
## TODO: Normalize names
298
486
## TODO: Remove nested loops; better scalability
299
300
if isinstance(files, types.StringTypes):
487
if isinstance(files, basestring):
301
488
files = [files]
302
303
tree = self.working_tree()
304
inv = tree.inventory
305
306
# do this before any modifications
307
for f in files:
308
fid = inv.path2id(f)
309
if not fid:
310
bailout("cannot remove unversioned file %s" % quotefn(f))
311
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
312
if verbose:
313
# having remove it, it must be either ignored or unknown
314
if tree.is_ignored(f):
315
new_status = 'I'
316
else:
317
new_status = '?'
318
show_status(new_status, inv[fid].kind, quotefn(f))
319
del inv[fid]
320
489
490
self.lock_write()
491
492
try:
493
tree = self.working_tree()
494
inv = tree.inventory
495
496
# do this before any modifications
497
for f in files:
498
fid = inv.path2id(f)
499
if not fid:
500
raise BzrError("cannot remove unversioned file %s" % quotefn(f))
501
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
502
if verbose:
503
# having remove it, it must be either ignored or unknown
504
if tree.is_ignored(f):
505
new_status = 'I'
506
else:
507
new_status = '?'
508
show_status(new_status, inv[fid].kind, quotefn(f))
509
del inv[fid]
510
511
self._write_inventory(inv)
512
finally:
513
self.unlock()
514
515
516
# FIXME: this doesn't need to be a branch method
517
def set_inventory(self, new_inventory_list):
518
from bzrlib.inventory import Inventory, InventoryEntry
519
inv = Inventory()
520
for path, file_id, parent, kind in new_inventory_list:
521
name = os.path.basename(path)
522
if name == "":
523
continue
524
inv.add(InventoryEntry(file_id, name, kind, parent))
321
525
self._write_inventory(inv)
322
526
323
527
340
544
return self.working_tree().unknowns()
341
545
342
546
343
def commit(self, message, timestamp=None, timezone=None,
344
committer=None,
345
verbose=False):
346
"""Commit working copy as a new revision.
347
348
The basic approach is to add all the file texts into the
349
store, then the inventory, then make a new revision pointing
350
to that inventory and store that.
351
352
This is not quite safe if the working copy changes during the
353
commit; for the moment that is simply not allowed. A better
354
approach is to make a temporary copy of the files before
355
computing their hashes, and then add those hashes in turn to
356
the inventory. This should mean at least that there are no
357
broken hash pointers. There is no way we can get a snapshot
358
of the whole directory at an instant. This would also have to
359
be robust against files disappearing, moving, etc. So the
360
whole thing is a bit hard.
361
362
:param timestamp: if not None, seconds-since-epoch for a
363
postdated/predated commit.
364
"""
365
366
## TODO: Show branch names
367
368
# TODO: Don't commit if there are no changes, unless forced?
369
370
# First walk over the working inventory; and both update that
371
# and also build a new revision inventory. The revision
372
# inventory needs to hold the text-id, sha1 and size of the
373
# actual file versions committed in the revision. (These are
374
# not present in the working inventory.) We also need to
375
# detect missing/deleted files, and remove them from the
376
# working inventory.
377
378
work_inv = self.read_working_inventory()
379
inv = Inventory()
380
basis = self.basis_tree()
381
basis_inv = basis.inventory
382
missing_ids = []
383
for path, entry in work_inv.iter_entries():
384
## TODO: Cope with files that have gone missing.
385
386
## TODO: Check that the file kind has not changed from the previous
387
## revision of this file (if any).
388
389
entry = entry.copy()
390
391
p = self._rel(path)
392
file_id = entry.file_id
393
mutter('commit prep file %s, id %r ' % (p, file_id))
394
395
if not os.path.exists(p):
396
mutter(" file is missing, removing from inventory")
397
if verbose:
398
show_status('D', entry.kind, quotefn(path))
399
missing_ids.append(file_id)
400
continue
401
402
# TODO: Handle files that have been deleted
403
404
# TODO: Maybe a special case for empty files? Seems a
405
# waste to store them many times.
406
407
inv.add(entry)
408
409
if basis_inv.has_id(file_id):
410
old_kind = basis_inv[file_id].kind
411
if old_kind != entry.kind:
412
bailout("entry %r changed kind from %r to %r"
413
% (file_id, old_kind, entry.kind))
414
415
if entry.kind == 'directory':
416
if not isdir(p):
417
bailout("%s is entered as directory but not a directory" % quotefn(p))
418
elif entry.kind == 'file':
419
if not isfile(p):
420
bailout("%s is entered as file but is not a file" % quotefn(p))
421
422
content = file(p, 'rb').read()
423
424
entry.text_sha1 = sha_string(content)
425
entry.text_size = len(content)
426
427
old_ie = basis_inv.has_id(file_id) and basis_inv[file_id]
428
if (old_ie
429
and (old_ie.text_size == entry.text_size)
430
and (old_ie.text_sha1 == entry.text_sha1)):
431
## assert content == basis.get_file(file_id).read()
432
entry.text_id = basis_inv[file_id].text_id
433
mutter(' unchanged from previous text_id {%s}' %
434
entry.text_id)
435
436
else:
437
entry.text_id = _gen_file_id(entry.name)
438
self.text_store.add(content, entry.text_id)
439
mutter(' stored with text_id {%s}' % entry.text_id)
440
if verbose:
441
if not old_ie:
442
state = 'A'
443
elif (old_ie.name == entry.name
444
and old_ie.parent_id == entry.parent_id):
445
state = 'R'
446
else:
447
state = 'M'
448
449
show_status(state, entry.kind, quotefn(path))
450
451
for file_id in missing_ids:
452
# have to do this later so we don't mess up the iterator.
453
# since parents may be removed before their children we
454
# have to test.
455
456
# FIXME: There's probably a better way to do this; perhaps
457
# the workingtree should know how to filter itself.
458
if work_inv.has_id(file_id):
459
del work_inv[file_id]
460
461
462
inv_id = rev_id = _gen_revision_id(time.time())
463
464
inv_tmp = tempfile.TemporaryFile()
465
inv.write_xml(inv_tmp)
466
inv_tmp.seek(0)
467
self.inventory_store.add(inv_tmp, inv_id)
468
mutter('new inventory_id is {%s}' % inv_id)
469
470
self._write_inventory(work_inv)
471
472
if timestamp == None:
473
timestamp = time.time()
474
475
if committer == None:
476
committer = username()
477
478
if timezone == None:
479
timezone = local_time_offset()
480
481
mutter("building commit log message")
482
rev = Revision(timestamp=timestamp,
483
timezone=timezone,
484
committer=committer,
485
precursor = self.last_patch(),
486
message = message,
487
inventory_id=inv_id,
488
revision_id=rev_id)
489
490
rev_tmp = tempfile.TemporaryFile()
491
rev.write_xml(rev_tmp)
492
rev_tmp.seek(0)
493
self.revision_store.add(rev_tmp, rev_id)
494
mutter("new revision_id is {%s}" % rev_id)
495
496
## XXX: Everything up to here can simply be orphaned if we abort
497
## the commit; it will leave junk files behind but that doesn't
498
## matter.
499
500
## TODO: Read back the just-generated changeset, and make sure it
501
## applies and recreates the right state.
502
503
## TODO: Also calculate and store the inventory SHA1
504
mutter("committing patch r%d" % (self.revno() + 1))
505
506
mutter("append to revision-history")
507
self.controlfile('revision-history', 'at').write(rev_id + '\n')
508
509
mutter("done!")
547
def append_revision(self, revision_id):
548
from bzrlib.atomicfile import AtomicFile
549
550
mutter("add {%s} to revision-history" % revision_id)
551
rev_history = self.revision_history() + [revision_id]
552
553
f = AtomicFile(self.controlfilename('revision-history'))
554
try:
555
for rev_id in rev_history:
556
print >>f, rev_id
557
f.commit()
558
finally:
559
f.close()
510
560
511
561
512
562
def get_revision(self, revision_id):
513
563
"""Return the Revision object for a named revision"""
514
r = Revision.read_xml(self.revision_store[revision_id])
564
from bzrlib.revision import Revision
565
from bzrlib.xml import unpack_xml
566
567
self.lock_read()
568
try:
569
if not revision_id or not isinstance(revision_id, basestring):
570
raise ValueError('invalid revision-id: %r' % revision_id)
571
r = unpack_xml(Revision, self.revision_store[revision_id])
572
finally:
573
self.unlock()
574
515
575
assert r.revision_id == revision_id
516
576
return r
577
578
579
def get_revision_sha1(self, revision_id):
580
"""Hash the stored value of a revision, and return it."""
581
# In the future, revision entries will be signed. At that
582
# point, it is probably best *not* to include the signature
583
# in the revision hash. Because that lets you re-sign
584
# the revision, (add signatures/remove signatures) and still
585
# have all hash pointers stay consistent.
586
# But for now, just hash the contents.
587
return sha_file(self.revision_store[revision_id])
517
588
518
589
519
590
def get_inventory(self, inventory_id):
520
591
"""Get Inventory object by hash.
521
592
522
:todo: Perhaps for this and similar methods, take a revision
593
TODO: Perhaps for this and similar methods, take a revision
523
594
parameter which can be either an integer revno or a
524
595
string hash."""
525
i = Inventory.read_xml(self.inventory_store[inventory_id])
526
return i
596
from bzrlib.inventory import Inventory
597
from bzrlib.xml import unpack_xml
598
599
return unpack_xml(Inventory, self.inventory_store[inventory_id])
600
601
602
def get_inventory_sha1(self, inventory_id):
603
"""Return the sha1 hash of the inventory entry
604
"""
605
return sha_file(self.inventory_store[inventory_id])
527
606
528
607
529
608
def get_revision_inventory(self, revision_id):
530
609
"""Return inventory of a past revision."""
610
# bzr 0.0.6 imposes the constraint that the inventory_id
611
# must be the same as its revision, so this is trivial.
531
612
if revision_id == None:
613
from bzrlib.inventory import Inventory
532
614
return Inventory()
533
615
else:
534
return self.get_inventory(self.get_revision(revision_id).inventory_id)
616
return self.get_inventory(revision_id)
535
617
536
618
537
619
def revision_history(self):
540
622
>>> ScratchBranch().revision_history()
541
623
[]
542
624
"""
543
return [chomp(l) for l in self.controlfile('revision-history').readlines()]
625
self.lock_read()
626
try:
627
return [l.rstrip('\r\n') for l in
628
self.controlfile('revision-history', 'r').readlines()]
629
finally:
630
self.unlock()
631
632
633
def common_ancestor(self, other, self_revno=None, other_revno=None):
634
"""
635
>>> import commit
636
>>> sb = ScratchBranch(files=['foo', 'foo~'])
637
>>> sb.common_ancestor(sb) == (None, None)
638
True
639
>>> commit.commit(sb, "Committing first revision", verbose=False)
640
>>> sb.common_ancestor(sb)[0]
641
1
642
>>> clone = sb.clone()
643
>>> commit.commit(sb, "Committing second revision", verbose=False)
644
>>> sb.common_ancestor(sb)[0]
645
2
646
>>> sb.common_ancestor(clone)[0]
647
1
648
>>> commit.commit(clone, "Committing divergent second revision",
649
... verbose=False)
650
>>> sb.common_ancestor(clone)[0]
651
1
652
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
653
True
654
>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
655
True
656
>>> clone2 = sb.clone()
657
>>> sb.common_ancestor(clone2)[0]
658
2
659
>>> sb.common_ancestor(clone2, self_revno=1)[0]
660
1
661
>>> sb.common_ancestor(clone2, other_revno=1)[0]
662
1
663
"""
664
my_history = self.revision_history()
665
other_history = other.revision_history()
666
if self_revno is None:
667
self_revno = len(my_history)
668
if other_revno is None:
669
other_revno = len(other_history)
670
indices = range(min((self_revno, other_revno)))
671
indices.reverse()
672
for r in indices:
673
if my_history[r] == other_history[r]:
674
return r+1, my_history[r]
675
return None, None
676
677
def enum_history(self, direction):
678
"""Return (revno, revision_id) for history of branch.
679
680
direction
681
'forward' is from earliest to latest
682
'reverse' is from latest to earliest
683
"""
684
rh = self.revision_history()
685
if direction == 'forward':
686
i = 1
687
for rid in rh:
688
yield i, rid
689
i += 1
690
elif direction == 'reverse':
691
i = len(rh)
692
while i > 0:
693
yield i, rh[i-1]
694
i -= 1
695
else:
696
raise ValueError('invalid history direction', direction)
544
697
545
698
546
699
def revno(self):
548
701
549
702
That is equivalent to the number of revisions committed to
550
703
this branch.
551
552
>>> b = ScratchBranch()
553
>>> b.revno()
554
0
555
>>> b.commit('no foo')
556
>>> b.revno()
557
1
558
704
"""
559
705
return len(self.revision_history())
560
706
561
707
562
708
def last_patch(self):
563
709
"""Return last patch hash, or None if no history.
564
565
>>> ScratchBranch().last_patch() == None
566
True
567
710
"""
568
711
ph = self.revision_history()
569
712
if ph:
570
713
return ph[-1]
571
714
else:
715
return None
716
717
718
def missing_revisions(self, other, stop_revision=None):
719
"""
720
If self and other have not diverged, return a list of the revisions
721
present in other, but missing from self.
722
723
>>> from bzrlib.commit import commit
724
>>> bzrlib.trace.silent = True
725
>>> br1 = ScratchBranch()
726
>>> br2 = ScratchBranch()
727
>>> br1.missing_revisions(br2)
728
[]
729
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
730
>>> br1.missing_revisions(br2)
731
[u'REVISION-ID-1']
732
>>> br2.missing_revisions(br1)
733
[]
734
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
735
>>> br1.missing_revisions(br2)
736
[]
737
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
738
>>> br1.missing_revisions(br2)
739
[u'REVISION-ID-2A']
740
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
741
>>> br1.missing_revisions(br2)
742
Traceback (most recent call last):
743
DivergedBranches: These branches have diverged.
744
"""
745
self_history = self.revision_history()
746
self_len = len(self_history)
747
other_history = other.revision_history()
748
other_len = len(other_history)
749
common_index = min(self_len, other_len) -1
750
if common_index >= 0 and \
751
self_history[common_index] != other_history[common_index]:
752
raise DivergedBranches(self, other)
753
754
if stop_revision is None:
755
stop_revision = other_len
756
elif stop_revision > other_len:
757
raise NoSuchRevision(self, stop_revision)
758
759
return other_history[self_len:stop_revision]
760
761
762
def update_revisions(self, other, stop_revision=None):
763
"""Pull in all new revisions from other branch.
764
765
>>> from bzrlib.commit import commit
766
>>> bzrlib.trace.silent = True
767
>>> br1 = ScratchBranch(files=['foo', 'bar'])
768
>>> br1.add('foo')
769
>>> br1.add('bar')
770
>>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
771
>>> br2 = ScratchBranch()
772
>>> br2.update_revisions(br1)
773
Added 2 texts.
774
Added 1 inventories.
775
Added 1 revisions.
776
>>> br2.revision_history()
777
[u'REVISION-ID-1']
778
>>> br2.update_revisions(br1)
779
Added 0 texts.
780
Added 0 inventories.
781
Added 0 revisions.
782
>>> br1.text_store.total_size() == br2.text_store.total_size()
783
True
784
"""
785
from bzrlib.progress import ProgressBar
786
try:
787
set
788
except NameError:
789
from sets import Set as set
790
791
pb = ProgressBar()
792
793
pb.update('comparing histories')
794
revision_ids = self.missing_revisions(other, stop_revision)
795
796
if hasattr(other.revision_store, "prefetch"):
797
other.revision_store.prefetch(revision_ids)
798
if hasattr(other.inventory_store, "prefetch"):
799
inventory_ids = [other.get_revision(r).inventory_id
800
for r in revision_ids]
801
other.inventory_store.prefetch(inventory_ids)
802
803
revisions = []
804
needed_texts = set()
805
i = 0
806
for rev_id in revision_ids:
807
i += 1
808
pb.update('fetching revision', i, len(revision_ids))
809
rev = other.get_revision(rev_id)
810
revisions.append(rev)
811
inv = other.get_inventory(str(rev.inventory_id))
812
for key, entry in inv.iter_entries():
813
if entry.text_id is None:
814
continue
815
if entry.text_id not in self.text_store:
816
needed_texts.add(entry.text_id)
817
818
pb.clear()
819
820
count = self.text_store.copy_multi(other.text_store, needed_texts)
821
print "Added %d texts." % count
822
inventory_ids = [ f.inventory_id for f in revisions ]
823
count = self.inventory_store.copy_multi(other.inventory_store,
824
inventory_ids)
825
print "Added %d inventories." % count
826
revision_ids = [ f.revision_id for f in revisions]
827
count = self.revision_store.copy_multi(other.revision_store,
828
revision_ids)
829
for revision_id in revision_ids:
830
self.append_revision(revision_id)
831
print "Added %d revisions." % count
832
833
834
def commit(self, *args, **kw):
835
from bzrlib.commit import commit
836
commit(self, *args, **kw)
837
572
838
573
839
def lookup_revision(self, revno):
574
840
"""Return revision hash for revision number."""
579
845
# list is 0-based; revisions are 1-based
580
846
return self.revision_history()[revno-1]
581
847
except IndexError:
582
bailout("no such revision %s" % revno)
848
raise BzrError("no such revision %s" % revno)
583
849
584
850
585
851
def revision_tree(self, revision_id):
587
853
588
854
`revision_id` may be None for the null revision, in which case
589
855
an `EmptyTree` is returned."""
590
856
from bzrlib.tree import EmptyTree, RevisionTree
857
# TODO: refactor this to use an existing revision object
858
# so we don't need to read it in twice.
591
859
if revision_id == None:
592
860
return EmptyTree()
593
861
else:
597
865
598
866
def working_tree(self):
599
867
"""Return a `Tree` for the working copy."""
868
from workingtree import WorkingTree
600
869
return WorkingTree(self.base, self.read_working_inventory())
601
870
602
871
604
873
"""Return `Tree` object for last revision.
605
874
606
875
If there are no revisions yet, return an `EmptyTree`.
607
608
>>> b = ScratchBranch(files=['foo'])
609
>>> b.basis_tree().has_filename('foo')
610
False
611
>>> b.working_tree().has_filename('foo')
612
True
613
>>> b.add('foo')
614
>>> b.commit('add foo')
615
>>> b.basis_tree().has_filename('foo')
616
True
617
876
"""
877
from bzrlib.tree import EmptyTree, RevisionTree
618
878
r = self.last_patch()
619
879
if r == None:
620
880
return EmptyTree()
623
883
624
884
625
885
626
def write_log(self, show_timezone='original'):
627
"""Write out human-readable log of commits to this branch
628
629
:param utc: If true, show dates in universal time, not local time."""
630
## TODO: Option to choose either original, utc or local timezone
631
revno = 1
632
precursor = None
633
for p in self.revision_history():
634
print '-' * 40
635
print 'revno:', revno
636
## TODO: Show hash if --id is given.
637
##print 'revision-hash:', p
638
rev = self.get_revision(p)
639
print 'committer:', rev.committer
640
print 'timestamp: %s' % (format_date(rev.timestamp, rev.timezone or 0,
641
show_timezone))
642
643
## opportunistic consistency check, same as check_patch_chaining
644
if rev.precursor != precursor:
645
bailout("mismatched precursor!")
646
647
print 'message:'
648
if not rev.message:
649
print ' (no message)'
650
else:
651
for l in rev.message.split('\n'):
652
print ' ' + l
653
654
revno += 1
655
precursor = p
656
657
658
659
def show_status(branch, show_all=False):
660
"""Display single-line status for non-ignored working files.
661
662
The list is show sorted in order by file name.
663
664
>>> b = ScratchBranch(files=['foo', 'foo~'])
665
>>> b.show_status()
666
? foo
667
>>> b.add('foo')
668
>>> b.show_status()
669
A foo
670
>>> b.commit("add foo")
671
>>> b.show_status()
672
>>> os.unlink(b._rel('foo'))
673
>>> b.show_status()
674
D foo
886
def rename_one(self, from_rel, to_rel):
887
"""Rename one file.
888
889
This can change the directory or the filename or both.
890
"""
891
self.lock_write()
892
try:
893
tree = self.working_tree()
894
inv = tree.inventory
895
if not tree.has_filename(from_rel):
896
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
897
if tree.has_filename(to_rel):
898
raise BzrError("can't rename: new working file %r already exists" % to_rel)
899
900
file_id = inv.path2id(from_rel)
901
if file_id == None:
902
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
903
904
if inv.path2id(to_rel):
905
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
906
907
to_dir, to_tail = os.path.split(to_rel)
908
to_dir_id = inv.path2id(to_dir)
909
if to_dir_id == None and to_dir != '':
910
raise BzrError("can't determine destination directory id for %r" % to_dir)
911
912
mutter("rename_one:")
913
mutter(" file_id {%s}" % file_id)
914
mutter(" from_rel %r" % from_rel)
915
mutter(" to_rel %r" % to_rel)
916
mutter(" to_dir %r" % to_dir)
917
mutter(" to_dir_id {%s}" % to_dir_id)
918
919
inv.rename(file_id, to_dir_id, to_tail)
920
921
print "%s => %s" % (from_rel, to_rel)
922
923
from_abs = self.abspath(from_rel)
924
to_abs = self.abspath(to_rel)
925
try:
926
os.rename(from_abs, to_abs)
927
except OSError, e:
928
raise BzrError("failed to rename %r to %r: %s"
929
% (from_abs, to_abs, e[1]),
930
["rename rolled back"])
931
932
self._write_inventory(inv)
933
finally:
934
self.unlock()
935
936
937
def move(self, from_paths, to_name):
938
"""Rename files.
939
940
to_name must exist as a versioned directory.
941
942
If to_name exists and is a directory, the files are moved into
943
it, keeping their old names. If it is a directory,
944
945
Note that to_name is only the last component of the new name;
946
this doesn't change the directory.
947
"""
948
self.lock_write()
949
try:
950
## TODO: Option to move IDs only
951
assert not isinstance(from_paths, basestring)
952
tree = self.working_tree()
953
inv = tree.inventory
954
to_abs = self.abspath(to_name)
955
if not isdir(to_abs):
956
raise BzrError("destination %r is not a directory" % to_abs)
957
if not tree.has_filename(to_name):
958
raise BzrError("destination %r not in working directory" % to_abs)
959
to_dir_id = inv.path2id(to_name)
960
if to_dir_id == None and to_name != '':
961
raise BzrError("destination %r is not a versioned directory" % to_name)
962
to_dir_ie = inv[to_dir_id]
963
if to_dir_ie.kind not in ('directory', 'root_directory'):
964
raise BzrError("destination %r is not a directory" % to_abs)
965
966
to_idpath = inv.get_idpath(to_dir_id)
967
968
for f in from_paths:
969
if not tree.has_filename(f):
970
raise BzrError("%r does not exist in working tree" % f)
971
f_id = inv.path2id(f)
972
if f_id == None:
973
raise BzrError("%r is not versioned" % f)
974
name_tail = splitpath(f)[-1]
975
dest_path = appendpath(to_name, name_tail)
976
if tree.has_filename(dest_path):
977
raise BzrError("destination %r already exists" % dest_path)
978
if f_id in to_idpath:
979
raise BzrError("can't move %r to a subdirectory of itself" % f)
980
981
# OK, so there's a race here, it's possible that someone will
982
# create a file in this interval and then the rename might be
983
# left half-done. But we should have caught most problems.
984
985
for f in from_paths:
986
name_tail = splitpath(f)[-1]
987
dest_path = appendpath(to_name, name_tail)
988
print "%s => %s" % (f, dest_path)
989
inv.rename(inv.path2id(f), to_dir_id, name_tail)
990
try:
991
os.rename(self.abspath(f), self.abspath(dest_path))
992
except OSError, e:
993
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
994
["rename rolled back"])
995
996
self._write_inventory(inv)
997
finally:
998
self.unlock()
999
1000
1001
def revert(self, filenames, old_tree=None, backups=True):
1002
"""Restore selected files to the versions from a previous tree.
1003
1004
backups
1005
If true (default) backups are made of files before
1006
they're renamed.
1007
"""
1008
from bzrlib.errors import NotVersionedError, BzrError
1009
from bzrlib.atomicfile import AtomicFile
1010
from bzrlib.osutils import backup_file
675
1011
676
677
:todo: Get state for single files.
678
679
:todo: Perhaps show a slash at the end of directory names.
680
1012
inv = self.read_working_inventory()
1013
if old_tree is None:
1014
old_tree = self.basis_tree()
1015
old_inv = old_tree.inventory
1016
1017
nids = []
1018
for fn in filenames:
1019
file_id = inv.path2id(fn)
1020
if not file_id:
1021
raise NotVersionedError("not a versioned file", fn)
1022
if not old_inv.has_id(file_id):
1023
raise BzrError("file not present in old tree", fn, file_id)
1024
nids.append((fn, file_id))
1025
1026
# TODO: Rename back if it was previously at a different location
1027
1028
# TODO: If given a directory, restore the entire contents from
1029
# the previous version.
1030
1031
# TODO: Make a backup to a temporary file.
1032
1033
# TODO: If the file previously didn't exist, delete it?
1034
for fn, file_id in nids:
1035
backup_file(fn)
1036
1037
f = AtomicFile(fn, 'wb')
1038
try:
1039
f.write(old_tree.get_file(file_id).read())
1040
f.commit()
1041
finally:
1042
f.close()
1043
1044
1045
def pending_merges(self):
1046
"""Return a list of pending merges.
1047
1048
These are revisions that have been merged into the working
1049
directory but not yet committed.
681
1050
"""
682
683
# We have to build everything into a list first so that it can
684
# sorted by name, incorporating all the different sources.
685
686
# FIXME: Rather than getting things in random order and then sorting,
687
# just step through in order.
688
689
# Interesting case: the old ID for a file has been removed,
690
# but a new file has been created under that name.
691
692
old = branch.basis_tree()
693
old_inv = old.inventory
694
new = branch.working_tree()
695
new_inv = new.inventory
696
697
for fs, fid, oldname, newname, kind in diff_trees(old, new):
698
if fs == 'R':
699
show_status(fs, kind,
700
oldname + ' => ' + newname)
701
elif fs == 'A' or fs == 'M':
702
show_status(fs, kind, newname)
703
elif fs == 'D':
704
show_status(fs, kind, oldname)
705
elif fs == '.':
706
if show_all:
707
show_status(fs, kind, newname)
708
elif fs == 'I':
709
if show_all:
710
show_status(fs, kind, newname)
711
elif fs == '?':
712
show_status(fs, kind, newname)
713
else:
714
bailout("wierd file state %r" % ((fs, fid),))
715
1051
cfn = self.controlfilename('pending-merges')
1052
if not os.path.exists(cfn):
1053
return []
1054
p = []
1055
for l in self.controlfile('pending-merges', 'r').readlines():
1056
p.append(l.rstrip('\n'))
1057
return p
1058
1059
1060
def add_pending_merge(self, revision_id):
1061
from bzrlib.revision import validate_revision_id
1062
1063
validate_revision_id(revision_id)
1064
1065
p = self.pending_merges()
1066
if revision_id in p:
1067
return
1068
p.append(revision_id)
1069
self.set_pending_merges(p)
1070
1071
1072
def set_pending_merges(self, rev_list):
1073
from bzrlib.atomicfile import AtomicFile
1074
self.lock_write()
1075
try:
1076
f = AtomicFile(self.controlfilename('pending-merges'))
1077
try:
1078
for l in rev_list:
1079
print >>f, l
1080
f.commit()
1081
finally:
1082
f.close()
1083
finally:
1084
self.unlock()
1085
716
1086
717
1087
718
1088
class ScratchBranch(Branch):
722
1092
>>> isdir(b.base)
723
1093
True
724
1094
>>> bd = b.base
725
>>> del b
1095
>>> b.destroy()
726
1096
>>> isdir(bd)
727
1097
False
728
1098
"""
729
def __init__(self, files = []):
1099
def __init__(self, files=[], dirs=[], base=None):
730
1100
"""Make a test branch.
731
1101
732
1102
This creates a temporary directory and runs init-tree in it.
733
1103
734
1104
If any files are listed, they are created in the working copy.
735
1105
"""
736
Branch.__init__(self, tempfile.mkdtemp(), init=True)
1106
from tempfile import mkdtemp
1107
init = False
1108
if base is None:
1109
base = mkdtemp()
1110
init = True
1111
Branch.__init__(self, base, init=init)
1112
for d in dirs:
1113
os.mkdir(self.abspath(d))
1114
737
1115
for f in files:
738
1116
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
739
1117
740
1118
1119
def clone(self):
1120
"""
1121
>>> orig = ScratchBranch(files=["file1", "file2"])
1122
>>> clone = orig.clone()
1123
>>> os.path.samefile(orig.base, clone.base)
1124
False
1125
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1126
True
1127
"""
1128
from shutil import copytree
1129
from tempfile import mkdtemp
1130
base = mkdtemp()
1131
os.rmdir(base)
1132
copytree(self.base, base, symlinks=True)
1133
return ScratchBranch(base=base)
1134
741
1135
def __del__(self):
1136
self.destroy()
1137
1138
def destroy(self):
742
1139
"""Destroy the test branch, removing the scratch directory."""
743
shutil.rmtree(self.base)
1140
from shutil import rmtree
1141
try:
1142
if self.base:
1143
mutter("delete ScratchBranch %s" % self.base)
1144
rmtree(self.base)
1145
except OSError, e:
1146
# Work around for shutil.rmtree failing on Windows when
1147
# readonly files are encountered
1148
mutter("hit exception in destroying ScratchBranch: %s" % e)
1149
for root, dirs, files in os.walk(self.base, topdown=False):
1150
for name in files:
1151
os.chmod(os.path.join(root, name), 0700)
1152
rmtree(self.base)
1153
self.base = None
744
1154
745
1155
746
1156
756
1166
## mutter('check %r for control file' % ((head, tail), ))
757
1167
if tail == bzrlib.BZRDIR:
758
1168
return True
1169
if filename == head:
1170
break
759
1171
filename = head
760
1172
return False
761
1173
762
1174
763
1175
764
def _gen_revision_id(when):
765
"""Return new revision-id."""
766
s = '%s-%s-' % (user_email(), compact_date(when))
767
s += hexlify(rand_bytes(8))
768
return s
769
770
771
def _gen_file_id(name):
1176
def gen_file_id(name):
772
1177
"""Return new file id.
773
1178
774
1179
This should probably generate proper UUIDs, but for the moment we
775
1180
cope with just randomness because running uuidgen every time is
776
1181
slow."""
777
assert '/' not in name
778
while name[0] == '.':
779
name = name[1:]
1182
import re
1183
from binascii import hexlify
1184
from time import time
1185
1186
# get last component
1187
idx = name.rfind('/')
1188
if idx != -1:
1189
name = name[idx+1 : ]
1190
idx = name.rfind('\\')
1191
if idx != -1:
1192
name = name[idx+1 : ]
1193
1194
# make it not a hidden file
1195
name = name.lstrip('.')
1196
1197
# remove any wierd characters; we don't escape them but rather
1198
# just pull them out
1199
name = re.sub(r'[^\w.]', '', name)
1200
780
1201
s = hexlify(rand_bytes(8))
781
return '-'.join((name, compact_date(time.time()), s))
782
783
1202
return '-'.join((name, compact_date(time()), s))
Loggerhead is a web-based interface for Breezy
Version: 2.0.1