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- Committer: Martin Pool
- Date: 2005-03-13 12:06:51 UTC
- Revision ID: mbp@sourcefrog.net-20050313120651-497bd231b19df600
Notes from Steve Berczuk on purpose of SCM
- files added:
- bzrlib/tests.py
- files removed:
- .rsyncexclude
- bzrlib/selftest
- contrib
- contrib/bash
- contrib/zsh
- effbot
- effbot/org
- elementtree
- patches
- plugins
- plugins/changeset
- tools
- urlgrabber
- files renamed:
- bzr => bzr.py
- files modified:
- .bzrignore
added
removed
bzrlib/branch.py
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# Copyright (C) 2005 Canonical Ltd
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#! /usr/bin/env python
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# -*- coding: UTF-8 -*-
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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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import sys, os
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from sets import Set
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import sys, os, os.path, random, time, sha, sets, types, re, shutil, tempfile
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import traceback, socket, fnmatch, difflib, time
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from binascii import hexlify
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import bzrlib
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from bzrlib.trace import mutter, note
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from bzrlib.osutils import isdir, quotefn, compact_date, rand_bytes, splitpath, \
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sha_file, appendpath, file_kind
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from bzrlib.errors import BzrError
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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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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(object):
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class Branch:
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"""Branch holding a history of revisions.
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base
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Base directory of the branch.
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_lock_mode
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None, or 'r' or 'w'
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_lock_count
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If _lock_mode is true, a positive count of the number of times the
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lock has been taken.
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_lock
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Lock object from bzrlib.lock.
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:todo: Perhaps use different stores for different classes of object,
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so that we can keep track of how much space each one uses,
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or garbage-collect them.
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:todo: Add a RemoteBranch subclass. For the basic case of read-only
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HTTP access this should be very easy by,
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just redirecting controlfile access into HTTP requests.
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We would need a RemoteStore working similarly.
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:todo: Keep the on-disk branch locked while the object exists.
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:todo: mkdir() method.
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"""
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base = None
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_lock_mode = None
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_lock_count = None
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_lock = None
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# Map some sort of prefix into a namespace
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# stuff like "revno:10", "revid:", etc.
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# This should match a prefix with a function which accepts
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REVISION_NAMESPACES = {}
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def __init__(self, base, init=False, find_root=True):
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def __init__(self, base, init=False):
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"""Create new branch object at a particular location.
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base -- Base directory for the branch.
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init -- If True, create new control files in a previously
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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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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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from bzrlib.store import ImmutableStore
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self.base = os.path.realpath(base)
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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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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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bailout("not a bzr branch: %s" % quotefn(base),
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['use "bzr init" to initialize a new working tree',
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'current bzr can only operate from top-of-tree'])
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self._check_format()
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self.text_store = ImmutableStore(self.controlfilename('text-store'))
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self.revision_store = ImmutableStore(self.controlfilename('revision-store'))
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__repr__ = __str__
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def __del__(self):
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if self._lock_mode or self._lock:
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from warnings import warn
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warn("branch %r was not explicitly unlocked" % self)
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self._lock.unlock()
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def lock_write(self):
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if self._lock_mode:
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if self._lock_mode != 'w':
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from errors import LockError
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raise LockError("can't upgrade to a write lock from %r" %
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self._lock_mode)
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self._lock_count += 1
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else:
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from bzrlib.lock import WriteLock
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self._lock = WriteLock(self.controlfilename('branch-lock'))
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self._lock_mode = 'w'
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self._lock_count = 1
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def lock_read(self):
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if self._lock_mode:
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assert self._lock_mode in ('r', 'w'), \
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"invalid lock mode %r" % self._lock_mode
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self._lock_count += 1
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else:
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from bzrlib.lock import ReadLock
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self._lock = ReadLock(self.controlfilename('branch-lock'))
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self._lock_mode = 'r'
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self._lock_count = 1
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def unlock(self):
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if not self._lock_mode:
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from errors import LockError
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raise LockError('branch %r is not locked' % (self))
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if self._lock_count > 1:
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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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def _rel(self, name):
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"""Return filename relative to branch top"""
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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, basestring):
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if isinstance(file_or_path, types.StringTypes):
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file_or_path = [file_or_path]
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return os.path.join(self.base, bzrlib.BZRDIR, *file_or_path)
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def controlfile(self, file_or_path, mode='r'):
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"""Open a control file for this branch.
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There are two classes of file in the control directory: text
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and binary. binary files are untranslated byte streams. Text
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control files are stored with Unix newlines and in UTF-8, even
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if the platform or locale defaults are different.
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Controlfiles should almost never be opened in write mode but
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rather should be atomically copied and replaced using atomicfile.
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"""
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fn = self.controlfilename(file_or_path)
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if mode == 'rb' or mode == 'wb':
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return file(fn, mode)
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elif mode == 'r' or mode == 'w':
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# open in binary mode anyhow so there's no newline translation;
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# codecs uses line buffering by default; don't want that.
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import codecs
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return codecs.open(fn, mode + 'b', 'utf-8',
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buffering=60000)
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else:
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raise BzrError("invalid controlfile mode %r" % mode)
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"""Open a control file for this branch"""
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return file(self.controlfilename(file_or_path), mode)
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def _make_control(self):
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from bzrlib.inventory import Inventory
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from bzrlib.xml import pack_xml
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os.mkdir(self.controlfilename([]))
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self.controlfile('README', 'w').write(
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"This is a Bazaar-NG control directory.\n"
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"Do not change any files in this directory.\n")
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"Do not change any files in this directory.")
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self.controlfile('branch-format', 'w').write(BZR_BRANCH_FORMAT)
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for d in ('text-store', 'inventory-store', 'revision-store'):
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os.mkdir(self.controlfilename(d))
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for f in ('revision-history', 'merged-patches',
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'pending-merged-patches', 'branch-name',
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'branch-lock',
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'pending-merges'):
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'pending-merged-patches', 'branch-name'):
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self.controlfile(f, 'w').write('')
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mutter('created control directory in ' + self.base)
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pack_xml(Inventory(gen_root_id()), self.controlfile('inventory','w'))
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Inventory().write_xml(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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# 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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"""
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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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if fmt != BZR_BRANCH_FORMAT:
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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 get_root_id(self):
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"""Return the id of this branches root"""
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inv = self.read_working_inventory()
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return inv.root.file_id
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def set_root_id(self, file_id):
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inv = self.read_working_inventory()
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orig_root_id = inv.root.file_id
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del inv._byid[inv.root.file_id]
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inv.root.file_id = file_id
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inv._byid[inv.root.file_id] = inv.root
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for fid in inv:
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entry = inv[fid]
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if entry.parent_id in (None, orig_root_id):
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entry.parent_id = inv.root.file_id
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self._write_inventory(inv)
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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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353
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def read_working_inventory(self):
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"""Read the working inventory."""
355
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()
359
self.lock_read()
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try:
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# ElementTree does its own conversion from UTF-8, so open in
362
# binary.
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inv = unpack_xml(Inventory,
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self.controlfile('inventory', 'rb'))
365
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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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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372
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def _write_inventory(self, inv):
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"""Update the working inventory.
375
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That is to say, the inventory describing changes underway, that
376
160
will be committed to the next revision.
377
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"""
378
from bzrlib.atomicfile import AtomicFile
379
from bzrlib.xml import pack_xml
380
381
self.lock_write()
382
try:
383
f = AtomicFile(self.controlfilename('inventory'), 'wb')
384
try:
385
pack_xml(inv, f)
386
f.commit()
387
finally:
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f.close()
389
finally:
390
self.unlock()
391
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## TODO: factor out to atomicfile? is rename safe on windows?
163
tmpfname = self.controlfilename('inventory.tmp')
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tmpf = file(tmpfname, 'w')
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inv.write_xml(tmpf)
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tmpf.close()
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os.rename(tmpfname, self.controlfilename('inventory'))
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mutter('wrote working inventory')
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394
170
395
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inventory = property(read_working_inventory, _write_inventory, None,
396
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"""Inventory for the working copy.""")
397
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398
174
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def add(self, files, verbose=False, ids=None):
175
def add(self, files, verbose=False):
400
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"""Make files versioned.
401
177
402
Note that the command line normally calls smart_add instead.
403
404
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This puts the files in the Added state, so that they will be
405
179
recorded by the next commit.
406
180
407
files
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List of paths to add, relative to the base of the tree.
409
410
ids
411
If set, use these instead of automatically generated ids.
412
Must be the same length as the list of files, but may
413
contain None for ids that are to be autogenerated.
414
415
TODO: Perhaps have an option to add the ids even if the files do
416
not (yet) exist.
417
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TODO: Perhaps return the ids of the files? But then again it
419
is easy to retrieve them if they're needed.
420
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TODO: Adding a directory should optionally recurse down and
422
add all non-ignored children. Perhaps do that in a
423
higher-level method.
181
:todo: Perhaps have an option to add the ids even if the files do
182
not (yet) exist.
183
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:todo: Perhaps return the ids of the files? But then again it
185
is easy to retrieve them if they're needed.
186
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:todo: Option to specify file id.
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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
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>>> b = ScratchBranch(files=['foo'])
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>>> 'foo' in b.unknowns()
195
True
196
>>> b.show_status()
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? foo
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>>> b.add('foo')
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>>> 'foo' in b.unknowns()
200
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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>>> b.add('foo')
207
Traceback (most recent call last):
208
...
209
BzrError: ('foo is already versioned', [])
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>>> b.add(['nothere'])
212
Traceback (most recent call last):
213
BzrError: ('cannot add: not a regular file or directory: nothere', [])
424
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"""
425
from bzrlib.textui import show_status
215
426
216
# TODO: Re-adding a file that is removed in the working copy
427
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# should probably put it back with the previous ID.
428
if isinstance(files, basestring):
429
assert(ids is None or isinstance(ids, basestring))
218
if isinstance(files, types.StringTypes):
430
219
files = [files]
431
if ids is not None:
432
ids = [ids]
433
434
if ids is None:
435
ids = [None] * len(files)
436
else:
437
assert(len(ids) == len(files))
438
439
self.lock_write()
440
try:
441
inv = self.read_working_inventory()
442
for f,file_id in zip(files, ids):
443
if is_control_file(f):
444
raise BzrError("cannot add control file %s" % quotefn(f))
445
446
fp = splitpath(f)
447
448
if len(fp) == 0:
449
raise BzrError("cannot add top-level %r" % f)
450
451
fullpath = os.path.normpath(self.abspath(f))
452
453
try:
454
kind = file_kind(fullpath)
455
except OSError:
456
# maybe something better?
457
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
458
459
if kind != 'file' and kind != 'directory':
460
raise BzrError('cannot add: not a regular file or directory: %s' % quotefn(f))
461
462
if file_id is None:
463
file_id = gen_file_id(f)
464
inv.add_path(f, kind=kind, file_id=file_id)
465
466
if verbose:
467
print 'added', quotefn(f)
468
469
mutter("add file %s file_id:{%s} kind=%r" % (f, file_id, kind))
470
471
self._write_inventory(inv)
472
finally:
473
self.unlock()
474
475
476
def print_file(self, file, revno):
477
"""Print `file` to stdout."""
478
self.lock_read()
479
try:
480
tree = self.revision_tree(self.lookup_revision(revno))
481
# use inventory as it was in that revision
482
file_id = tree.inventory.path2id(file)
483
if not file_id:
484
raise BzrError("%r is not present in revision %s" % (file, revno))
485
tree.print_file(file_id)
486
finally:
487
self.unlock()
220
221
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))
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226
fp = splitpath(f)
227
228
if len(fp) == 0:
229
bailout("cannot add top-level %r" % f)
230
231
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
240
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
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mutter("add file %s file_id:{%s} kind=%r parent_id={%s}"
256
% (f, file_id, kind, parent_id))
257
self._write_inventory(inv)
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488
259
489
260
490
261
def remove(self, files, verbose=False):
492
263
493
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This does not remove their text. This does not run on
494
265
495
TODO: Refuse to remove modified files unless --force is given?
496
497
TODO: Do something useful with directories.
498
499
TODO: Should this remove the text or not? Tough call; not
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
500
293
removing may be useful and the user can just use use rm, and
501
294
is the opposite of add. Removing it is consistent with most
502
295
other tools. Maybe an option.
503
296
"""
504
from bzrlib.textui import show_status
505
297
## TODO: Normalize names
506
298
## TODO: Remove nested loops; better scalability
507
if isinstance(files, basestring):
299
300
if isinstance(files, types.StringTypes):
508
301
files = [files]
509
510
self.lock_write()
511
512
try:
513
tree = self.working_tree()
514
inv = tree.inventory
515
516
# do this before any modifications
517
for f in files:
518
fid = inv.path2id(f)
519
if not fid:
520
raise BzrError("cannot remove unversioned file %s" % quotefn(f))
521
mutter("remove inventory entry %s {%s}" % (quotefn(f), fid))
522
if verbose:
523
# having remove it, it must be either ignored or unknown
524
if tree.is_ignored(f):
525
new_status = 'I'
526
else:
527
new_status = '?'
528
show_status(new_status, inv[fid].kind, quotefn(f))
529
del inv[fid]
530
531
self._write_inventory(inv)
532
finally:
533
self.unlock()
534
535
536
# FIXME: this doesn't need to be a branch method
537
def set_inventory(self, new_inventory_list):
538
from bzrlib.inventory import Inventory, InventoryEntry
539
inv = Inventory(self.get_root_id())
540
for path, file_id, parent, kind in new_inventory_list:
541
name = os.path.basename(path)
542
if name == "":
543
continue
544
inv.add(InventoryEntry(file_id, name, kind, parent))
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
545
321
self._write_inventory(inv)
546
322
547
323
564
340
return self.working_tree().unknowns()
565
341
566
342
567
def append_revision(self, *revision_ids):
568
from bzrlib.atomicfile import AtomicFile
569
570
for revision_id in revision_ids:
571
mutter("add {%s} to revision-history" % revision_id)
572
573
rev_history = self.revision_history()
574
rev_history.extend(revision_ids)
575
576
f = AtomicFile(self.controlfilename('revision-history'))
577
try:
578
for rev_id in rev_history:
579
print >>f, rev_id
580
f.commit()
581
finally:
582
f.close()
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!")
583
510
584
511
585
512
def get_revision(self, revision_id):
586
513
"""Return the Revision object for a named revision"""
587
from bzrlib.revision import Revision
588
from bzrlib.xml import unpack_xml
589
590
self.lock_read()
591
try:
592
if not revision_id or not isinstance(revision_id, basestring):
593
raise ValueError('invalid revision-id: %r' % revision_id)
594
r = unpack_xml(Revision, self.revision_store[revision_id])
595
finally:
596
self.unlock()
597
514
r = Revision.read_xml(self.revision_store[revision_id])
598
515
assert r.revision_id == revision_id
599
516
return r
600
601
602
def get_revision_sha1(self, revision_id):
603
"""Hash the stored value of a revision, and return it."""
604
# In the future, revision entries will be signed. At that
605
# point, it is probably best *not* to include the signature
606
# in the revision hash. Because that lets you re-sign
607
# the revision, (add signatures/remove signatures) and still
608
# have all hash pointers stay consistent.
609
# But for now, just hash the contents.
610
return sha_file(self.revision_store[revision_id])
611
517
612
518
613
519
def get_inventory(self, inventory_id):
614
520
"""Get Inventory object by hash.
615
521
616
TODO: Perhaps for this and similar methods, take a revision
522
:todo: Perhaps for this and similar methods, take a revision
617
523
parameter which can be either an integer revno or a
618
524
string hash."""
619
from bzrlib.inventory import Inventory
620
from bzrlib.xml import unpack_xml
621
622
return unpack_xml(Inventory, self.inventory_store[inventory_id])
623
624
625
def get_inventory_sha1(self, inventory_id):
626
"""Return the sha1 hash of the inventory entry
627
"""
628
return sha_file(self.inventory_store[inventory_id])
525
i = Inventory.read_xml(self.inventory_store[inventory_id])
526
return i
629
527
630
528
631
529
def get_revision_inventory(self, revision_id):
632
530
"""Return inventory of a past revision."""
633
# bzr 0.0.6 imposes the constraint that the inventory_id
634
# must be the same as its revision, so this is trivial.
635
531
if revision_id == None:
636
from bzrlib.inventory import Inventory
637
return Inventory(self.get_root_id())
532
return Inventory()
638
533
else:
639
return self.get_inventory(revision_id)
534
return self.get_inventory(self.get_revision(revision_id).inventory_id)
640
535
641
536
642
537
def revision_history(self):
645
540
>>> ScratchBranch().revision_history()
646
541
[]
647
542
"""
648
self.lock_read()
649
try:
650
return [l.rstrip('\r\n') for l in
651
self.controlfile('revision-history', 'r').readlines()]
652
finally:
653
self.unlock()
654
655
656
def common_ancestor(self, other, self_revno=None, other_revno=None):
657
"""
658
>>> import commit
659
>>> sb = ScratchBranch(files=['foo', 'foo~'])
660
>>> sb.common_ancestor(sb) == (None, None)
661
True
662
>>> commit.commit(sb, "Committing first revision", verbose=False)
663
>>> sb.common_ancestor(sb)[0]
664
1
665
>>> clone = sb.clone()
666
>>> commit.commit(sb, "Committing second revision", verbose=False)
667
>>> sb.common_ancestor(sb)[0]
668
2
669
>>> sb.common_ancestor(clone)[0]
670
1
671
>>> commit.commit(clone, "Committing divergent second revision",
672
... verbose=False)
673
>>> sb.common_ancestor(clone)[0]
674
1
675
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)
676
True
677
>>> sb.common_ancestor(sb) != clone.common_ancestor(clone)
678
True
679
>>> clone2 = sb.clone()
680
>>> sb.common_ancestor(clone2)[0]
681
2
682
>>> sb.common_ancestor(clone2, self_revno=1)[0]
683
1
684
>>> sb.common_ancestor(clone2, other_revno=1)[0]
685
1
686
"""
687
my_history = self.revision_history()
688
other_history = other.revision_history()
689
if self_revno is None:
690
self_revno = len(my_history)
691
if other_revno is None:
692
other_revno = len(other_history)
693
indices = range(min((self_revno, other_revno)))
694
indices.reverse()
695
for r in indices:
696
if my_history[r] == other_history[r]:
697
return r+1, my_history[r]
698
return None, None
699
700
def enum_history(self, direction):
701
"""Return (revno, revision_id) for history of branch.
702
703
direction
704
'forward' is from earliest to latest
705
'reverse' is from latest to earliest
706
"""
707
rh = self.revision_history()
708
if direction == 'forward':
709
i = 1
710
for rid in rh:
711
yield i, rid
712
i += 1
713
elif direction == 'reverse':
714
i = len(rh)
715
while i > 0:
716
yield i, rh[i-1]
717
i -= 1
718
else:
719
raise ValueError('invalid history direction', direction)
543
return [chomp(l) for l in self.controlfile('revision-history').readlines()]
720
544
721
545
722
546
def revno(self):
724
548
725
549
That is equivalent to the number of revisions committed to
726
550
this branch.
551
552
>>> b = ScratchBranch()
553
>>> b.revno()
554
0
555
>>> b.commit('no foo')
556
>>> b.revno()
557
1
727
558
"""
728
559
return len(self.revision_history())
729
560
730
561
731
562
def last_patch(self):
732
563
"""Return last patch hash, or None if no history.
564
565
>>> ScratchBranch().last_patch() == None
566
True
733
567
"""
734
568
ph = self.revision_history()
735
569
if ph:
736
570
return ph[-1]
737
else:
738
return None
739
740
741
def missing_revisions(self, other, stop_revision=None):
742
"""
743
If self and other have not diverged, return a list of the revisions
744
present in other, but missing from self.
745
746
>>> from bzrlib.commit import commit
747
>>> bzrlib.trace.silent = True
748
>>> br1 = ScratchBranch()
749
>>> br2 = ScratchBranch()
750
>>> br1.missing_revisions(br2)
751
[]
752
>>> commit(br2, "lala!", rev_id="REVISION-ID-1")
753
>>> br1.missing_revisions(br2)
754
[u'REVISION-ID-1']
755
>>> br2.missing_revisions(br1)
756
[]
757
>>> commit(br1, "lala!", rev_id="REVISION-ID-1")
758
>>> br1.missing_revisions(br2)
759
[]
760
>>> commit(br2, "lala!", rev_id="REVISION-ID-2A")
761
>>> br1.missing_revisions(br2)
762
[u'REVISION-ID-2A']
763
>>> commit(br1, "lala!", rev_id="REVISION-ID-2B")
764
>>> br1.missing_revisions(br2)
765
Traceback (most recent call last):
766
DivergedBranches: These branches have diverged.
767
"""
768
self_history = self.revision_history()
769
self_len = len(self_history)
770
other_history = other.revision_history()
771
other_len = len(other_history)
772
common_index = min(self_len, other_len) -1
773
if common_index >= 0 and \
774
self_history[common_index] != other_history[common_index]:
775
raise DivergedBranches(self, other)
776
777
if stop_revision is None:
778
stop_revision = other_len
779
elif stop_revision > other_len:
780
raise NoSuchRevision(self, stop_revision)
781
782
return other_history[self_len:stop_revision]
783
784
785
def update_revisions(self, other, stop_revision=None):
786
"""Pull in all new revisions from other branch.
787
788
>>> from bzrlib.commit import commit
789
>>> bzrlib.trace.silent = True
790
>>> br1 = ScratchBranch(files=['foo', 'bar'])
791
>>> br1.add('foo')
792
>>> br1.add('bar')
793
>>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
794
>>> br2 = ScratchBranch()
795
>>> br2.update_revisions(br1)
796
Added 2 texts.
797
Added 1 inventories.
798
Added 1 revisions.
799
>>> br2.revision_history()
800
[u'REVISION-ID-1']
801
>>> br2.update_revisions(br1)
802
Added 0 texts.
803
Added 0 inventories.
804
Added 0 revisions.
805
>>> br1.text_store.total_size() == br2.text_store.total_size()
806
True
807
"""
808
from bzrlib.progress import ProgressBar
809
810
pb = ProgressBar()
811
812
pb.update('comparing histories')
813
revision_ids = self.missing_revisions(other, stop_revision)
814
815
if hasattr(other.revision_store, "prefetch"):
816
other.revision_store.prefetch(revision_ids)
817
if hasattr(other.inventory_store, "prefetch"):
818
inventory_ids = [other.get_revision(r).inventory_id
819
for r in revision_ids]
820
other.inventory_store.prefetch(inventory_ids)
821
822
revisions = []
823
needed_texts = set()
824
i = 0
825
for rev_id in revision_ids:
826
i += 1
827
pb.update('fetching revision', i, len(revision_ids))
828
rev = other.get_revision(rev_id)
829
revisions.append(rev)
830
inv = other.get_inventory(str(rev.inventory_id))
831
for key, entry in inv.iter_entries():
832
if entry.text_id is None:
833
continue
834
if entry.text_id not in self.text_store:
835
needed_texts.add(entry.text_id)
836
837
pb.clear()
838
839
count = self.text_store.copy_multi(other.text_store, needed_texts)
840
print "Added %d texts." % count
841
inventory_ids = [ f.inventory_id for f in revisions ]
842
count = self.inventory_store.copy_multi(other.inventory_store,
843
inventory_ids)
844
print "Added %d inventories." % count
845
revision_ids = [ f.revision_id for f in revisions]
846
count = self.revision_store.copy_multi(other.revision_store,
847
revision_ids)
848
for revision_id in revision_ids:
849
self.append_revision(revision_id)
850
print "Added %d revisions." % count
851
852
853
def commit(self, *args, **kw):
854
from bzrlib.commit import commit
855
commit(self, *args, **kw)
856
857
858
def lookup_revision(self, revision):
859
"""Return the revision identifier for a given revision information."""
860
revno, info = self.get_revision_info(revision)
861
return info
862
863
def get_revision_info(self, revision):
864
"""Return (revno, revision id) for revision identifier.
865
866
revision can be an integer, in which case it is assumed to be revno (though
867
this will translate negative values into positive ones)
868
revision can also be a string, in which case it is parsed for something like
869
'date:' or 'revid:' etc.
870
"""
871
if revision is None:
872
return 0, None
873
revno = None
874
try:# Convert to int if possible
875
revision = int(revision)
876
except ValueError:
877
pass
878
revs = self.revision_history()
879
if isinstance(revision, int):
880
if revision == 0:
881
return 0, None
882
# Mabye we should do this first, but we don't need it if revision == 0
883
if revision < 0:
884
revno = len(revs) + revision + 1
885
else:
886
revno = revision
887
elif isinstance(revision, basestring):
888
for prefix, func in Branch.REVISION_NAMESPACES.iteritems():
889
if revision.startswith(prefix):
890
revno = func(self, revs, revision)
891
break
892
else:
893
raise BzrError('No namespace registered for string: %r' % revision)
894
895
if revno is None or revno <= 0 or revno > len(revs):
896
raise BzrError("no such revision %s" % revision)
897
return revno, revs[revno-1]
898
899
def _namespace_revno(self, revs, revision):
900
"""Lookup a revision by revision number"""
901
assert revision.startswith('revno:')
902
try:
903
return int(revision[6:])
904
except ValueError:
905
return None
906
REVISION_NAMESPACES['revno:'] = _namespace_revno
907
908
def _namespace_revid(self, revs, revision):
909
assert revision.startswith('revid:')
910
try:
911
return revs.index(revision[6:]) + 1
912
except ValueError:
913
return None
914
REVISION_NAMESPACES['revid:'] = _namespace_revid
915
916
def _namespace_last(self, revs, revision):
917
assert revision.startswith('last:')
918
try:
919
offset = int(revision[5:])
920
except ValueError:
921
return None
922
else:
923
if offset <= 0:
924
raise BzrError('You must supply a positive value for --revision last:XXX')
925
return len(revs) - offset + 1
926
REVISION_NAMESPACES['last:'] = _namespace_last
927
928
def _namespace_tag(self, revs, revision):
929
assert revision.startswith('tag:')
930
raise BzrError('tag: namespace registered, but not implemented.')
931
REVISION_NAMESPACES['tag:'] = _namespace_tag
932
933
def _namespace_date(self, revs, revision):
934
assert revision.startswith('date:')
935
import datetime
936
# Spec for date revisions:
937
# date:value
938
# value can be 'yesterday', 'today', 'tomorrow' or a YYYY-MM-DD string.
939
# it can also start with a '+/-/='. '+' says match the first
940
# entry after the given date. '-' is match the first entry before the date
941
# '=' is match the first entry after, but still on the given date.
942
#
943
# +2005-05-12 says find the first matching entry after May 12th, 2005 at 0:00
944
# -2005-05-12 says find the first matching entry before May 12th, 2005 at 0:00
945
# =2005-05-12 says find the first match after May 12th, 2005 at 0:00 but before
946
# May 13th, 2005 at 0:00
947
#
948
# So the proper way of saying 'give me all entries for today' is:
949
# -r {date:+today}:{date:-tomorrow}
950
# The default is '=' when not supplied
951
val = revision[5:]
952
match_style = '='
953
if val[:1] in ('+', '-', '='):
954
match_style = val[:1]
955
val = val[1:]
956
957
today = datetime.datetime.today().replace(hour=0,minute=0,second=0,microsecond=0)
958
if val.lower() == 'yesterday':
959
dt = today - datetime.timedelta(days=1)
960
elif val.lower() == 'today':
961
dt = today
962
elif val.lower() == 'tomorrow':
963
dt = today + datetime.timedelta(days=1)
964
else:
965
import re
966
# This should be done outside the function to avoid recompiling it.
967
_date_re = re.compile(
968
r'(?P<date>(?P<year>\d\d\d\d)-(?P<month>\d\d)-(?P<day>\d\d))?'
969
r'(,|T)?\s*'
970
r'(?P<time>(?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d))?)?'
971
)
972
m = _date_re.match(val)
973
if not m or (not m.group('date') and not m.group('time')):
974
raise BzrError('Invalid revision date %r' % revision)
975
976
if m.group('date'):
977
year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
978
else:
979
year, month, day = today.year, today.month, today.day
980
if m.group('time'):
981
hour = int(m.group('hour'))
982
minute = int(m.group('minute'))
983
if m.group('second'):
984
second = int(m.group('second'))
985
else:
986
second = 0
987
else:
988
hour, minute, second = 0,0,0
989
990
dt = datetime.datetime(year=year, month=month, day=day,
991
hour=hour, minute=minute, second=second)
992
first = dt
993
last = None
994
reversed = False
995
if match_style == '-':
996
reversed = True
997
elif match_style == '=':
998
last = dt + datetime.timedelta(days=1)
999
1000
if reversed:
1001
for i in range(len(revs)-1, -1, -1):
1002
r = self.get_revision(revs[i])
1003
# TODO: Handle timezone.
1004
dt = datetime.datetime.fromtimestamp(r.timestamp)
1005
if first >= dt and (last is None or dt >= last):
1006
return i+1
1007
else:
1008
for i in range(len(revs)):
1009
r = self.get_revision(revs[i])
1010
# TODO: Handle timezone.
1011
dt = datetime.datetime.fromtimestamp(r.timestamp)
1012
if first <= dt and (last is None or dt <= last):
1013
return i+1
1014
REVISION_NAMESPACES['date:'] = _namespace_date
571
572
573
def lookup_revision(self, revno):
574
"""Return revision hash for revision number."""
575
if revno == 0:
576
return None
577
578
try:
579
# list is 0-based; revisions are 1-based
580
return self.revision_history()[revno-1]
581
except IndexError:
582
bailout("no such revision %s" % revno)
583
1015
584
1016
585
def revision_tree(self, revision_id):
1017
586
"""Return Tree for a revision on this branch.
1018
587
1019
588
`revision_id` may be None for the null revision, in which case
1020
589
an `EmptyTree` is returned."""
1021
from bzrlib.tree import EmptyTree, RevisionTree
1022
# TODO: refactor this to use an existing revision object
1023
# so we don't need to read it in twice.
590
1024
591
if revision_id == None:
1025
return EmptyTree(self.get_root_id())
592
return EmptyTree()
1026
593
else:
1027
594
inv = self.get_revision_inventory(revision_id)
1028
595
return RevisionTree(self.text_store, inv)
1030
597
1031
598
def working_tree(self):
1032
599
"""Return a `Tree` for the working copy."""
1033
from workingtree import WorkingTree
1034
600
return WorkingTree(self.base, self.read_working_inventory())
1035
601
1036
602
1038
604
"""Return `Tree` object for last revision.
1039
605
1040
606
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
1041
617
"""
1042
from bzrlib.tree import EmptyTree, RevisionTree
1043
618
r = self.last_patch()
1044
619
if r == None:
1045
return EmptyTree(self.get_root_id())
620
return EmptyTree()
1046
621
else:
1047
622
return RevisionTree(self.text_store, self.get_revision_inventory(r))
1048
623
1049
624
1050
625
1051
def rename_one(self, from_rel, to_rel):
1052
"""Rename one file.
1053
1054
This can change the directory or the filename or both.
1055
"""
1056
self.lock_write()
1057
try:
1058
tree = self.working_tree()
1059
inv = tree.inventory
1060
if not tree.has_filename(from_rel):
1061
raise BzrError("can't rename: old working file %r does not exist" % from_rel)
1062
if tree.has_filename(to_rel):
1063
raise BzrError("can't rename: new working file %r already exists" % to_rel)
1064
1065
file_id = inv.path2id(from_rel)
1066
if file_id == None:
1067
raise BzrError("can't rename: old name %r is not versioned" % from_rel)
1068
1069
if inv.path2id(to_rel):
1070
raise BzrError("can't rename: new name %r is already versioned" % to_rel)
1071
1072
to_dir, to_tail = os.path.split(to_rel)
1073
to_dir_id = inv.path2id(to_dir)
1074
if to_dir_id == None and to_dir != '':
1075
raise BzrError("can't determine destination directory id for %r" % to_dir)
1076
1077
mutter("rename_one:")
1078
mutter(" file_id {%s}" % file_id)
1079
mutter(" from_rel %r" % from_rel)
1080
mutter(" to_rel %r" % to_rel)
1081
mutter(" to_dir %r" % to_dir)
1082
mutter(" to_dir_id {%s}" % to_dir_id)
1083
1084
inv.rename(file_id, to_dir_id, to_tail)
1085
1086
print "%s => %s" % (from_rel, to_rel)
1087
1088
from_abs = self.abspath(from_rel)
1089
to_abs = self.abspath(to_rel)
1090
try:
1091
os.rename(from_abs, to_abs)
1092
except OSError, e:
1093
raise BzrError("failed to rename %r to %r: %s"
1094
% (from_abs, to_abs, e[1]),
1095
["rename rolled back"])
1096
1097
self._write_inventory(inv)
1098
finally:
1099
self.unlock()
1100
1101
1102
def move(self, from_paths, to_name):
1103
"""Rename files.
1104
1105
to_name must exist as a versioned directory.
1106
1107
If to_name exists and is a directory, the files are moved into
1108
it, keeping their old names. If it is a directory,
1109
1110
Note that to_name is only the last component of the new name;
1111
this doesn't change the directory.
1112
"""
1113
self.lock_write()
1114
try:
1115
## TODO: Option to move IDs only
1116
assert not isinstance(from_paths, basestring)
1117
tree = self.working_tree()
1118
inv = tree.inventory
1119
to_abs = self.abspath(to_name)
1120
if not isdir(to_abs):
1121
raise BzrError("destination %r is not a directory" % to_abs)
1122
if not tree.has_filename(to_name):
1123
raise BzrError("destination %r not in working directory" % to_abs)
1124
to_dir_id = inv.path2id(to_name)
1125
if to_dir_id == None and to_name != '':
1126
raise BzrError("destination %r is not a versioned directory" % to_name)
1127
to_dir_ie = inv[to_dir_id]
1128
if to_dir_ie.kind not in ('directory', 'root_directory'):
1129
raise BzrError("destination %r is not a directory" % to_abs)
1130
1131
to_idpath = inv.get_idpath(to_dir_id)
1132
1133
for f in from_paths:
1134
if not tree.has_filename(f):
1135
raise BzrError("%r does not exist in working tree" % f)
1136
f_id = inv.path2id(f)
1137
if f_id == None:
1138
raise BzrError("%r is not versioned" % f)
1139
name_tail = splitpath(f)[-1]
1140
dest_path = appendpath(to_name, name_tail)
1141
if tree.has_filename(dest_path):
1142
raise BzrError("destination %r already exists" % dest_path)
1143
if f_id in to_idpath:
1144
raise BzrError("can't move %r to a subdirectory of itself" % f)
1145
1146
# OK, so there's a race here, it's possible that someone will
1147
# create a file in this interval and then the rename might be
1148
# left half-done. But we should have caught most problems.
1149
1150
for f in from_paths:
1151
name_tail = splitpath(f)[-1]
1152
dest_path = appendpath(to_name, name_tail)
1153
print "%s => %s" % (f, dest_path)
1154
inv.rename(inv.path2id(f), to_dir_id, name_tail)
1155
try:
1156
os.rename(self.abspath(f), self.abspath(dest_path))
1157
except OSError, e:
1158
raise BzrError("failed to rename %r to %r: %s" % (f, dest_path, e[1]),
1159
["rename rolled back"])
1160
1161
self._write_inventory(inv)
1162
finally:
1163
self.unlock()
1164
1165
1166
def revert(self, filenames, old_tree=None, backups=True):
1167
"""Restore selected files to the versions from a previous tree.
1168
1169
backups
1170
If true (default) backups are made of files before
1171
they're renamed.
1172
"""
1173
from bzrlib.errors import NotVersionedError, BzrError
1174
from bzrlib.atomicfile import AtomicFile
1175
from bzrlib.osutils import backup_file
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
1176
675
1177
inv = self.read_working_inventory()
1178
if old_tree is None:
1179
old_tree = self.basis_tree()
1180
old_inv = old_tree.inventory
1181
1182
nids = []
1183
for fn in filenames:
1184
file_id = inv.path2id(fn)
1185
if not file_id:
1186
raise NotVersionedError("not a versioned file", fn)
1187
if not old_inv.has_id(file_id):
1188
raise BzrError("file not present in old tree", fn, file_id)
1189
nids.append((fn, file_id))
1190
1191
# TODO: Rename back if it was previously at a different location
1192
1193
# TODO: If given a directory, restore the entire contents from
1194
# the previous version.
1195
1196
# TODO: Make a backup to a temporary file.
1197
1198
# TODO: If the file previously didn't exist, delete it?
1199
for fn, file_id in nids:
1200
backup_file(fn)
1201
1202
f = AtomicFile(fn, 'wb')
1203
try:
1204
f.write(old_tree.get_file(file_id).read())
1205
f.commit()
1206
finally:
1207
f.close()
1208
1209
1210
def pending_merges(self):
1211
"""Return a list of pending merges.
1212
1213
These are revisions that have been merged into the working
1214
directory but not yet committed.
676
677
:todo: Get state for single files.
678
679
:todo: Perhaps show a slash at the end of directory names.
680
1215
681
"""
1216
cfn = self.controlfilename('pending-merges')
1217
if not os.path.exists(cfn):
1218
return []
1219
p = []
1220
for l in self.controlfile('pending-merges', 'r').readlines():
1221
p.append(l.rstrip('\n'))
1222
return p
1223
1224
1225
def add_pending_merge(self, revision_id):
1226
from bzrlib.revision import validate_revision_id
1227
1228
validate_revision_id(revision_id)
1229
1230
p = self.pending_merges()
1231
if revision_id in p:
1232
return
1233
p.append(revision_id)
1234
self.set_pending_merges(p)
1235
1236
1237
def set_pending_merges(self, rev_list):
1238
from bzrlib.atomicfile import AtomicFile
1239
self.lock_write()
1240
try:
1241
f = AtomicFile(self.controlfilename('pending-merges'))
1242
try:
1243
for l in rev_list:
1244
print >>f, l
1245
f.commit()
1246
finally:
1247
f.close()
1248
finally:
1249
self.unlock()
1250
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
1251
716
1252
717
1253
718
class ScratchBranch(Branch):
1257
722
>>> isdir(b.base)
1258
723
True
1259
724
>>> bd = b.base
1260
>>> b.destroy()
725
>>> del b
1261
726
>>> isdir(bd)
1262
727
False
1263
728
"""
1264
def __init__(self, files=[], dirs=[], base=None):
729
def __init__(self, files = []):
1265
730
"""Make a test branch.
1266
731
1267
732
This creates a temporary directory and runs init-tree in it.
1268
733
1269
734
If any files are listed, they are created in the working copy.
1270
735
"""
1271
from tempfile import mkdtemp
1272
init = False
1273
if base is None:
1274
base = mkdtemp()
1275
init = True
1276
Branch.__init__(self, base, init=init)
1277
for d in dirs:
1278
os.mkdir(self.abspath(d))
1279
736
Branch.__init__(self, tempfile.mkdtemp(), init=True)
1280
737
for f in files:
1281
738
file(os.path.join(self.base, f), 'w').write('content of %s' % f)
1282
739
1283
740
1284
def clone(self):
1285
"""
1286
>>> orig = ScratchBranch(files=["file1", "file2"])
1287
>>> clone = orig.clone()
1288
>>> os.path.samefile(orig.base, clone.base)
1289
False
1290
>>> os.path.isfile(os.path.join(clone.base, "file1"))
1291
True
1292
"""
1293
from shutil import copytree
1294
from tempfile import mkdtemp
1295
base = mkdtemp()
1296
os.rmdir(base)
1297
copytree(self.base, base, symlinks=True)
1298
return ScratchBranch(base=base)
1299
1300
741
def __del__(self):
1301
self.destroy()
1302
1303
def destroy(self):
1304
742
"""Destroy the test branch, removing the scratch directory."""
1305
from shutil import rmtree
1306
try:
1307
if self.base:
1308
mutter("delete ScratchBranch %s" % self.base)
1309
rmtree(self.base)
1310
except OSError, e:
1311
# Work around for shutil.rmtree failing on Windows when
1312
# readonly files are encountered
1313
mutter("hit exception in destroying ScratchBranch: %s" % e)
1314
for root, dirs, files in os.walk(self.base, topdown=False):
1315
for name in files:
1316
os.chmod(os.path.join(root, name), 0700)
1317
rmtree(self.base)
1318
self.base = None
743
shutil.rmtree(self.base)
1319
744
1320
745
1321
746
1331
756
## mutter('check %r for control file' % ((head, tail), ))
1332
757
if tail == bzrlib.BZRDIR:
1333
758
return True
1334
if filename == head:
1335
break
1336
759
filename = head
1337
760
return False
1338
761
1339
762
1340
763
1341
def gen_file_id(name):
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):
1342
772
"""Return new file id.
1343
773
1344
774
This should probably generate proper UUIDs, but for the moment we
1345
775
cope with just randomness because running uuidgen every time is
1346
776
slow."""
1347
import re
1348
from binascii import hexlify
1349
from time import time
1350
1351
# get last component
1352
idx = name.rfind('/')
1353
if idx != -1:
1354
name = name[idx+1 : ]
1355
idx = name.rfind('\\')
1356
if idx != -1:
1357
name = name[idx+1 : ]
1358
1359
# make it not a hidden file
1360
name = name.lstrip('.')
1361
1362
# remove any wierd characters; we don't escape them but rather
1363
# just pull them out
1364
name = re.sub(r'[^\w.]', '', name)
1365
777
assert '/' not in name
778
while name[0] == '.':
779
name = name[1:]
1366
780
s = hexlify(rand_bytes(8))
1367
return '-'.join((name, compact_date(time()), s))
1368
1369
1370
def gen_root_id():
1371
"""Return a new tree-root file id."""
1372
return gen_file_id('TREE_ROOT')
781
return '-'.join((name, compact_date(time.time()), s))
782
1373
783
Loggerhead is a web-based interface for Breezy
Version: 2.0.1