/brz/remove-bazaar

====================

Bazaar Release Notes

====================

.. contents::

IN DEVELOPMENT

==============

  NOTES WHEN UPGRADING:

  CHANGES:

   * Disable detection of plink.exe as possible ssh vendor. Plink vendor

     still available if user selects it explicitly with BZR_SSH environment

     variable. (Alexander Belchenko, workaround for bug #107593)

  FEATURES:

   * New ``authentication.conf`` file holding the password or other credentials

     for remote servers. This can be used for ssh, sftp, smtp and other 

     supported transports.

     (Vincent Ladeuil)

  PERFORMANCE:

   * Commit updates the state of the working tree via a delta rather than

     supplying entirely new basis trees. For commit of a single specified file

     this reduces the wall clock time for commit by roughly a 30%.

     (Robert Collins, Martin Pool)

   * Fetch with pack repositories will no longer read the entire history graph.

     (Robert Collins, #88319)

   * Revert takes out an appropriate lock when reverting to a basis tree, and

     does not read the basis inventory twice. (Robert Collins)

  IMPROVEMENTS:

   * ``bzr tags`` now prints the revision number for each tag, instead of

     the revision id, unless --show-ids is passed. In addition, tags can be

     sorted chronologically instead of lexicographically with --sort=time.

     (Adeodato Simó, #120231)

  DOCUMENTATION:

  BUG FIXES:

   * A progress bar has been added for knitpack -> knitpack fetching.

     (Robert Collins, #157789)

   * Detect invalid transport reuse attempts by catching invalid URLs.

     (Vincent Ladeuil, #161819)

   * Do no use timeout in HttpServer anymore.

     (Vincent Ladeuil, #158972).

   * Don't catch the exceptions related to the http pipeline status before

     retrying an http request or some programming errors may be masked.

     (Vincent Ladeuil, #160012)

   * Fix multiple connections during checkout --lightweight.

     (Vincent Ladeuil, #159150)

   * FTP server errors don't error in the error handling code.

     (Robert Collins, #161240)

   * It is clearer when a plugin cannot be loaded because of its name, and a

     suggestion for an acceptable name is given. (Daniel Watkins, #103023)

   * Obsolete packs are now cleaned up by pack and autopack operations.

     (Robert Collins, #153789)

   * Reconcile now shows progress bars. (Robert Collins, #159351)

   * Stderr output via logging mechanism now goes through encoded wrapper

     and no more uses utf-8, but terminal encoding instead. So all unicode

     strings now should be readable in non-utf-8 terminal.

     (Alexander Belchenko, #54173)

   * The error message when ``move --after`` should be used makes how to do so

     clearer. (Daniel Watkins, #85237)

   * Unicode-safe output from ``bzr info``. The output will be encoded

     using the terminal encoding and unrepresentable characters will be

     replaced by '?'. (Lukáš Lalinský, #151844)

   * Wrap medusa ftp test server as an FTPServer feature.

     (Vincent Ladeuil, #157752)

   * Fix exception when ScopeReplacer is assigned to before any members have

     been retrieved.  (Aaron Bentley)

   * Fix exception when revisionspec contains merge revisons but log

     formatter doesn't support merge revisions. (Kent Gibson, #148908)

   * Return error instead of a traceback for ``bzr log -r0``.

     (Kent Gibson, #133751)

  API BREAKS:

   * ``osutils.backup_file`` is deprecated. Actually it's not used in bzrlib

     during very long time. (Alexander Belchenko)

   * The return value of

     ``VersionedFile.iter_lines_added_or_present_in_versions`` has been

     changed. Previously it was an iterator of lines, now it is an iterator of

     (line, version_id) tuples. This change has been made to aid reconcile and

     fetch operations. (Robert Collins)

  INTERNALS:

   * Added ``ContainerSerialiser`` and ``ContainerPushParser`` to

     ``bzrlib.pack``.  These classes provide more convenient APIs for generating

     and parsing containers from streams rather than from files.  (Andrew

     Bennetts)

   * New module ``lru_cache`` providing a cache for use by tasks that need

     semi-random access to large amounts of data. (John A Meinel)

  TESTING:

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)