Bazaar 0.92

New and much faster 'knitpack1-experimental' repository format, new 'reconfigure' command, better documentation, many bug fixes and performance improvements.

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Project:
Bazaar
Series:
0.92
Version:
0.92
Released:
2007-11-09  
Registrant:
Martin Pool
Release registered:
2007-11-09
Active:
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1 Alexander Belchenko, 1 Andrew Bennetts, 1 Ian Clatworthy, 3 John A Meinel, 6 Martin Pool, 1 Nam Nguyen, 1 Rob Weir, 4 Robert Collins, 8 Vincent Ladeuil
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Bugs:
1 Invalid, 27 Fix Released

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Changelog 

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bzr 0.92 2007-11-05
===================

  CHANGES:

  * New uninstaller on Win32. (Alexander Belchenko)

bzr 0.92rc1 2007-10-29
======================

  NOTES WHEN UPGRADING:

  CHANGES:

   * ``bzr`` now returns exit code 4 if an internal error occurred, and
     3 if a normal error occurred. (Martin Pool)

   * ``pull``, ``merge`` and ``push`` will no longer silently correct some
     repository index errors that occured as a result of the Weave disk format.
     Instead the ``reconcile`` command needs to be run to correct those
     problems if they exist (and it has been able to fix most such problems
     since bzr 0.8). Some new problems have been identified during this release
     and you should run ``bzr check`` once on every repository to see if you
     need to reconcile. If you cannot ``pull`` or ``merge`` from a remote
     repository due to mismatched parent errors - a symptom of index errors -
     you should simply take a full copy of that remote repository to a clean
     directory outside any local repositories, then run reconcile on it, and
     finally pull from it locally. (And naturally email the repositories owner
     to ask them to upgrade and run reconcile).
     (Robert Collins)

  FEATURES:

   * New ``knitpack-experimental`` repository format. This is interoperable with
     the ``dirstate-tags`` format but uses a smarter storage design that greatly
     speeds up many operations, both local and remote. This new format can be
     used as an option to the ``init``, ``init-repository`` and ``upgrade``
     commands. See http://doc.bazaar-vcs.org/latest/developers/knitpack.html
     for further details. (Robert Collins)

   * For users of bzr-svn (and those testing the prototype subtree support) that
     wish to try packs, a new ``knitpack-subtree-experimental`` format has also
     been added. This is interoperable with the ``dirstate-subtrees`` format.
     (Robert Collins)

   * New ``reconfigure`` command. (Aaron Bentley)

   * New ``revert --forget-merges`` command, which removes the record of a pending
     merge without affecting the working tree contents. (Martin Pool)

   * New ``bzr_remote_path`` configuration variable allows finer control of
     remote bzr locations than BZR_REMOTE_PATH environment variable.
     (Aaron Bentley)

   * New ``launchpad-login`` command to tell Bazaar your Launchpad
     user ID. This can then be used by other functions of the
     Launchpad plugin. (James Henstridge)

  PERFORMANCE:

   * Commit in quiet mode is now slightly faster as the information to
     output is no longer calculated. (Ian Clatworthy)

   * Commit no longer checks for new text keys during insertion when the
     revision id was deterministically unique. (Robert Collins)

   * Committing a change which is not a merge and does not change the number of
     files in the tree is faster by utilising the data about whether files are
     changed to determine if the tree is unchanged rather than recalculating
     it at the end of the commit process. (Robert Collins)

   * Inventory serialisation no longer double-sha's the content.
     (Robert Collins)

   * Knit text reconstruction now avoids making copies of the lines list for
     interim texts when building a single text. The new ``apply_delta`` method
     on ``KnitContent`` aids this by allowing modification of the revision id
     such objects represent. (Robert Collins)

   * Pack indices are now partially parsed for specific key lookup using a
     bisection approach. (Robert Collins)

   * Partial commits are now approximately 40% faster by walking over the
     unselected current tree more efficiently. (Robert Collins)

   * XML inventory serialisation takes 20% less time while being stricter about
     the contents. (Robert Collins)

   * Graph ``heads()`` queries have been fixed to no longer access all history
     unnecessarily. (Robert Collins)

  IMPROVEMENTS:

   * ``bzr+https://`` smart server across https now supported.
     (John Ferlito, Martin Pool, #128456)

   * Mutt is now a supported mail client; set ``mail_client=mutt`` in your
     bazaar.conf and ``send`` will use mutt. (Keir Mierle)

   * New option ``-c``/``--change`` for ``merge`` command for cherrypicking
     changes from one revision. (Alexander Belchenko, #141368)

   * Show encodings, locale and list of plugins in the traceback message.
     (Martin Pool, #63894)

   * Experimental directory formats can now be marked with
     ``experimental = True`` during registration. (Ian Clatworthy)

  DOCUMENTATION:

   * New *Bazaar in Five Minutes* guide. (Matthew Revell)

   * The hooks reference documentation is now converted to html as expected.
     (Ian Clatworthy)

  BUG FIXES:

   * Connection error reporting for the smart server has been fixed to
     display a user friendly message instead of a traceback.
     (Ian Clatworthy, #115601)

   * Make sure to use ``O_BINARY`` when opening files to check their
     sha1sum. (Alexander Belchenko, John Arbash Meinel, #153493)

   * Fix a problem with Win32 handling of the executable bit.
     (John Arbash Meinel, #149113)

   * ``bzr+ssh://`` and ``sftp://`` URLs that do not specify ports explicitly
     no longer assume that means port 22. This allows people using OpenSSH to
     override the default port in their ``~/.ssh/config`` if they wish. This
     fixes a bug introduced in bzr 0.91. (Andrew Bennetts, #146715)

   * Commands reporting exceptions can now be profiled and still have their
     data correctly dumped to a file. For example, a ``bzr commit`` with
     no changes still reports the operation as pointless but doing so no
     longer throws away the profiling data if this command is run with
     ``--lsprof-file callgrind.out.ci`` say. (Ian Clatworthy)

   * Fallback to ftp when paramiko is not installed and sftp can't be used for
     ``tests/commands`` so that the test suite is still usable without
     paramiko.
     (Vincent Ladeuil, #59150)

   * Fix commit ordering in corner case. (Aaron Bentley, #94975)

   * Fix long standing bug in partial commit when there are renames
     left in tree. (Robert Collins, #140419)

   * Fix selftest semi-random noise during http related tests.
     (Vincent Ladeuil, #140614)

   * Fix typo in ftp.py making the reconnection fail on temporary errors.
     (Vincent Ladeuil, #154259)

   * Fix failing test by comparing real paths to cover the case where the TMPDIR
     contains a symbolic link.
     (Vincent Ladeuil, #141382).

   * Fix log against smart server branches that don't support tags.
     (James Westby, #140615)

   * Fix pycurl http implementation by defining error codes from
     pycurl instead of relying on an old curl definition.
     (Vincent Ladeuil, #147530)

   * Fix 'unprintable error' message when displaying BzrCheckError and
     some other exceptions on Python 2.5.
     (Martin Pool, #144633)

   * Fix ``Inventory.copy()`` and add test for it. (Jelmer Vernooij)

   * Handles default value for ListOption in cmd_commit.
     (Vincent Ladeuil, #140432)

   * HttpServer and FtpServer need to be closed properly or a listening socket
     will remain opened.
     (Vincent Ladeuil, #140055)

   * Monitor the .bzr directory created in the top level test
     directory to detect leaking tests.
     (Vincent Ladeuil, #147986)

   * The basename, not the full path, is now used when checking whether
     the profiling dump file begins with ``callgrind.out`` or not. This
     fixes a bug reported by Aaron Bentley on IRC. (Ian Clatworthy)

   * Trivial fix for invoking command ``reconfigure`` without arguments.
     (Rob Weir, #141629)

   * ``WorkingTree.rename_one`` will now raise an error if normalisation of the
     new path causes bzr to be unable to access the file. (Robert Collins)

   * Correctly detect a NoSuchFile when using a filezilla server. (Gary van der
     Merwe)

  API BREAKS:

   * ``bzrlib.index.GraphIndex`` now requires a size parameter to the
     constructor, for enabling bisection searches. (Robert Collins)

   * ``CommitBuilder.record_entry_contents`` now requires the root entry of a
     tree be supplied to it, previously failing to do so would trigger a
     deprecation warning. (Robert Collins)

   * ``KnitVersionedFile.add*`` will no longer cache added records even when
     enable_cache() has been called - the caching feature is now exclusively for
     reading existing data. (Robert Collins)

   * ``ReadOnlyLockError`` is deprecated; ``LockFailed`` is usually more
     appropriate. (Martin Pool)

   * Removed ``bzrlib.transport.TransportLogger`` - please see the new
     ``trace+`` transport instead. (Robert Collins)

   * Removed previously deprecated varargs interface to ``TestCase.run_bzr`` and
     deprecated methods ``TestCase.capture`` and ``TestCase.run_bzr_captured``.
     (Martin Pool)

   * Removed previous deprecated ``basis_knit`` parameter to the
     ``KnitVersionedFile`` constructor. (Robert Collins)

   * Special purpose method ``TestCase.run_bzr_decode`` is moved to the test_non_ascii
     class that needs it.
     (Martin Pool)

   * The class ``bzrlib.repofmt.knitrepo.KnitRepository3`` has been folded into
     ``KnitRepository`` by parameters to the constructor. (Robert Collins)

   * The ``VersionedFile`` interface now allows content checks to be bypassed
     by supplying check_content=False. This saves nearly 30% of the minimum
     cost to store a version of a file. (Robert Collins)

   * Tree's with bad state such as files with no length or sha will no longer
     be silently accepted by the repository XML serialiser. To serialise
     inventories without such data, pass working=True to write_inventory.
     (Robert Collins)

   * ``VersionedFile.fix_parents`` has been removed as a harmful API.
     ``VersionedFile.join`` will no longer accept different parents on either
     side of a join - it will either ignore them, or error, depending on the
     implementation. See notes when upgrading for more information.
     (Robert Collins)

  INTERNALS:

   * ``bzrlib.transport.Transport.put_file`` now returns the number of bytes
     put by the method call, to allow avoiding stat-after-write or
     housekeeping in callers. (Robert Collins)

   * ``bzrlib.xml_serializer.Serializer`` is now responsible for checking that
     mandatory attributes are present on serialisation and deserialisation.
     This fixes some holes in API usage and allows better separation between
     physical storage and object serialisation. (Robert Collins)

   * New class ``bzrlib.errors.InternalBzrError`` which is just a convenient
     shorthand for deriving from BzrError and setting internal_error = True.
     (Robert Collins)

   * New method ``bzrlib.mutabletree.update_to_one_parent_via_delta`` for
     moving the state of a parent tree to a new version via a delta rather than
     a complete replacement tree. (Robert Collins)

   * New method ``bzrlib.osutils.minimum_path_selection`` useful for removing
     duplication from user input, when a user mentions both a path and an item
     contained within that path. (Robert Collins)

   * New method ``bzrlib.repository.Repository.is_write_locked`` useful for
     determining if a repository is write locked. (Robert Collins)

   * New method on ``bzrlib.tree.Tree`` ``path_content_summary`` provides a
     tuple containing the key information about a path for commit processing
     to complete. (Robert Collins)

   * New method on xml serialisers, write_inventory_to_lines, which matches the
     API used by knits for adding content. (Robert Collins)

   * New module ``bzrlib.bisect_multi`` with generic multiple-bisection-at-once
     logic, currently only available for byte-based lookup
     (``bisect_multi_bytes``). (Robert Collins)

   * New helper ``bzrlib.tuned_gzip.bytes_to_gzip`` which takes a byte string
     and returns a gzipped version of the same. This is used to avoid a bunch
     of api friction during adding of knit hunks. (Robert Collins)

   * New parameter on ``bzrlib.transport.Transport.readv``
     ``adjust_for_latency`` which changes readv from returning strictly the
     requested data to inserted return larger ranges and in forward read order
     to reduce the effect of network latency. (Robert Collins)

   * New parameter yield_parents on ``Inventory.iter_entries_by_dir`` which
     causes the parents of a selected id to be returned recursively, so all the
     paths from the root down to each element of selected_file_ids are
     returned. (Robert Collins)

   * Knit joining has been enhanced to support plain to annotated conversion
     and annotated to plain conversion. (Ian Clatworthy)

   * The CommitBuilder method ``record_entry_contents`` now returns summary
     information about the effect of the commit on the repository. This tuple
     contains an inventory delta item if the entry changed from the basis, and a
     boolean indicating whether a new file graph node was recorded.
     (Robert Collins)

   * The python path used in the Makefile can now be overridden.
     (Andrew Bennetts, Ian Clatworthy)

  TESTING:

   * New transport implementation ``trace+`` which is useful for testing,
     logging activity taken to its _activity attribute. (Robert Collins)

   * When running bzr commands within the test suite, internal exceptions are
     not caught and reported in the usual way, but rather allowed to propagate
     up and be visible to the test suite. A new API ``run_bzr_catch_user_errors``
     makes this behavior available to other users.
     (Martin Pool)

   * New method ``TestCase.call_catch_warnings`` for testing methods that
     raises a Python warning. (Martin Pool)

0 blueprints and 28 bugs targeted

Bug report Importance Assignee Status
145511 #145511 compiled dirstate extension breaks hashcache 3 High Martin Pool  3 Invalid
149113 #149113 "KeyError: None" in Dirstate._entry_to_line when commiting 2 Critical John A Meinel  10 Fix Released
152360 #152360 AssertionError: empty revision for the inv_entry TREE_ROOT when doing "bzr branch -r 1 bzr.dev foo" 2 Critical John A Meinel  10 Fix Released
153493 #153493 status gives false positives for text files with CRLF (@win32) 2 Critical John A Meinel  10 Fix Released
88319 #88319 push/pull operations read too much data 3 High Robert Collins  10 Fix Released
115601 #115601 no clean abort after bzr+ssh:// connection timeout. ERROR: exceptions.AssertionError: end of file reading from server. 3 High Ian Clatworthy  10 Fix Released
140432 #140432 bzr fails with 'iteration over non-sequence' in _get_bug_fix_properties 3 High Vincent Ladeuil  10 Fix Released
140615 #140615 error in DisabledTags.get_reverse_tag_dict from show_log on old branches 3 High   10 Fix Released
146176 #146176 add operation discards hashcache stat information 3 High Martin Pool  10 Fix Released
146715 #146715 bzr+ssh broken for non standard ports. 3 High Andrew Bennetts  10 Fix Released
129701 #129701 UnlockableTransport error trying to commit in checkout of readonly branch 4 Medium Martin Pool  10 Fix Released
140055 #140055 socket leak in test suite 4 Medium Vincent Ladeuil  10 Fix Released
144633 #144633 KeyError for BzrCheckError.message 4 Medium Martin Pool  10 Fix Released
145027 #145027 bad assertions in WorkingTree4._add 4 Medium Martin Pool  10 Fix Released
32235 #32235 deprecated_method combined with staticmethod causes problems 5 Low Martin Pool  10 Fix Released
53675 #53675 --basis fails with knits 5 Low Robert Collins  10 Fix Released
59150 #59150 bzr selftest fails on a machine without paramiko 5 Low Vincent Ladeuil  10 Fix Released
125421 #125421 document/declare versions for plugins 5 Low Robert Collins  10 Fix Released
128456 #128456 bzr+https is not a supported protocol 5 Low   10 Fix Released
140419 #140419 selective commit sometimes fails with `parent_id not in inventory` error 5 Low Robert Collins  10 Fix Released
140614 #140614 selftest noise re _http_start 5 Low Vincent Ladeuil  10 Fix Released
141368 #141368 merge command should have --change option 5 Low Alexander Belchenko  10 Fix Released
141382 #141382 Test failures when TMPDIR points at a symlink 5 Low Vincent Ladeuil  10 Fix Released
141629 #141629 "bzr reconfigure" with no arguments throws an exception 5 Low Rob Weir  10 Fix Released
147530 #147530 pycurl http implementation peeks under the covers 5 Low Vincent Ladeuil  10 Fix Released
102747 #102747 pre-commit check hook 6 Wishlist Nam Nguyen  10 Fix Released
154259 #154259 traceback on temporary ftp error 1 Undecided Vincent Ladeuil  10 Fix Released
158972 #158972 http server use both settimeout and makefile 1 Undecided Vincent Ladeuil  10 Fix Released
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