Bazaar 0.91

Changed default branch and repository format to support tags; support for recording author separately from committer; various other bug fixes and functionality improvements.

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Project:
Bazaar
Series:
0.91
Version:
0.91
Released:
2007-09-26  
Registrant:
Martin Pool
Release registered:
2007-09-26
Active:
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1 Aaron Bentley, 1 Alexander Belchenko, 1 Marius Kruger, 5 Martin Pool, 3 Vincent Ladeuil
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Bugs:
1 Invalid, 13 Fix Released

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bzr 0.91 2007-09-26
===================

  BUG FIXES:

   * Print a warning instead of aborting the ``python setup.py install``
     process if building of a C extension is not possible.
     (Lukáš Lalinský, Alexander Belchenko)

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

   * Fix ''bzr info bzr://host/'' and other operations on ''bzr://' URLs with
     an implicit port. We were incorrectly raising PathNotChild due to
     inconsistent treatment of the ''_port'' attribute on the Transport object.
     (Andrew Bennetts, #133965)

   * Make RemoteRepository.sprout cope gracefully with servers that don't
     support the ``Repository.tarball`` request.
     (Andrew Bennetts)

bzr 0.91rc2 2007-09-11
======================

   * Replaced incorrect tarball for previous release; a debug statement was left
     in bzrlib/remote.py.

bzr 0.91rc1 2007-09-11
======================

  CHANGES:

   * The default branch and repository format has changed to
     ``dirstate-tags``, so tag commands are active by default.
     This format is compatible with Bazaar 0.15 and later.
     This incidentally fixes bug #126141.
     (Martin Pool)

   * ``--quiet`` or ``-q`` is no longer a global option. If present, it
     must now appear after the command name. Scripts doing things like
     ``bzr -q missing`` need to be rewritten as ``bzr missing -q``.
     (Ian Clatworthy)

  FEATURES:

   * New option ``--author`` in ``bzr commit`` to specify the author of the
     change, if it's different from the committer. ``bzr log`` and
     ``bzr annotate`` display the author instead of the committer.
     (Lukáš Lalinský)

   * In addition to global options and command specific options, a set of
     standard options are now supported. Standard options are legal for
     all commands. The initial set of standard options are:

     * ``--help`` or ``-h`` - display help message
     * ``--verbose`` or ``-v`` - display additional information
     * ``--quiet`` or ``-q`` - only output warnings and errors.

     Unlike global options, standard options can be used in aliases and
     may have command-specific help. (Ian Clatworthy)

   * Verbosity level processing has now been unified. If ``--verbose``
     or ``-v`` is specified on the command line multiple times, the
     verbosity level is made positive the first time then increased.
     If ``--quiet`` or ``-q`` is specified on the command line
     multiple times, the verbosity level is made negative the first
     time then decreased. To get the default verbosity level of zero,
     either specify none of the above , ``--no-verbose`` or ``--no-quiet``.
     Note that most commands currently ignore the magnitude of the
     verbosity level but do respect *quiet vs normal vs verbose* when
     generating output. (Ian Clatworthy)

   * ``Branch.hooks`` now supports ``pre_commit`` hook. The hook's signature
     is documented in BranchHooks constructor. (Nam T. Nguyen, #102747)

  BUG FIXES:

   * ``bzr plugins`` now lists the version number for each plugin in square
     brackets after the path. (Robert Collins, #125421)

   * Pushing, pulling and branching branches with subtree references was not
     copying the subtree weave, preventing the file graph from being accessed
     and causing errors in commits in clones. (Robert Collins)

   * Suppress warning "integer argument expected, got float" from Paramiko,
     which sometimes caused false test failures. (Martin Pool)

   * Fix bug in bundle 4 that could cause attempts to write data to wrong
     versionedfile. (Aaron Bentley)

   * Diffs generated using "diff -p" no longer break the patch parser.
     (Aaron Bentley)

   * get_transport treats an empty possible_transports list the same as a non-
     empty one. (Aaron Bentley)

   * patch verification for merge directives is reactivated, and works with
     CRLF and CR files. (Aaron Bentley)

   * Accept ..\ as a path in revision specifiers. This fixes for example
     "-r branch:..\other-branch" on Windows. (Lukáš Lalinský)

   * ``BZR_PLUGIN_PATH`` may now contain trailing slashes.
     (Blake Winton, #129299)

   * man page no longer lists hidden options (#131667, Aaron Bentley)

   * ``uncommit --help`` now explains the -r option adequately. (Daniel
     Watkins, #106726)

   * Error messages are now better formatted with parameters (such as
     filenames) quoted when necessary. This avoids confusion when directory
     names ending in a '.' at the end of messages were confused with a
     full stop that may or not have been there. (Daniel Watkins, #129791)

   * Fix ``status FILE -r X..Y``. (Lukáš Lalinský)

   * If a particular command is an alias, ``help`` will show the alias
     instead of claiming there is no help for said alias. (Daniel Watkins,
     #133548)

   * TreeTransform-based operations, like pull, merge, revert, and branch,
     now roll back if they encounter an error. (Aaron Bentley, #67699)

   * ``bzr commit`` now exits cleanly if a character unsupported by the
     current encoding is used in the commit message. (Daniel Watkins,
     #116143)

   * bzr send uses default values for ranges when only half of an elipsis
     is specified ("-r..5" or "-r5.."). (#61685, Aaron Bentley)

   * Avoid trouble when Windows ssh calls itself 'plink' but no plink
     binary is present. (Martin Albisetti, #107155)

   * ``bzr remove`` should remove clean subtrees. Now it will remove (without
     needing ``--force``) subtrees that contain no files with text changes or
     modified files. With ``--force`` it removes the subtree regardless of
     text changes or unknown files. Directories with renames in or out (but
     not changed otherwise) will now be removed without needing ``--force``.
     Unknown ignored files will be deleted without needing ``--force``.
     (Marius Kruger, #111665)

   * When two plugins conflict, the source of both the losing and now the
     winning definition is shown. (Konstantin Mikhaylov, #5454)

   * When committing to a branch, the location being committed to is
     displayed. (Daniel Watkins, #52479)

   * ``bzr --version`` takes care about encoding of stdout, especially
     when output is redirected. (Alexander Belchenko, #131100)

   * Prompt for an ftp password if none is provided.
     (Vincent Ladeuil, #137044)

   * Reuse bound branch associated transport to avoid multiple
     connections.
     (Vincent Ladeuil, #128076, #131396)

   * Overwrite conflicting tags by ``push`` and ``pull`` if the
     ``--overwrite`` option is specified. (Lukáš Lalinský, #93947)

   * In checkouts, tags are copied into the master branch when created,
     changed or deleted, and are copied into the checkout when it is
     updated. (Martin Pool, #93856, #93860)

  IMPROVEMENTS:

   * Add the option "--show-diff" to the commit command in order to display
     the diff during the commit log creation. (Goffredo Baroncelli)

   * ``pull`` and ``merge`` are much faster at installing bundle format 4.
     (Aaron Bentley)

   * ``pull -v`` no longer includes deltas, making it much faster.
     (Aaron Bentley)

   * ``send`` now sends the directive as an attachment by default.
     (Aaron Bentley, Lukáš Lalinský, Alexander Belchenko)

   * Documentation updates (Martin Albisetti)

   * Help on debug flags is now included in ``help global-options``.
     (Daniel Watkins, #124853)

   * Parameters passed on the command line are checked to ensure they are
     supported by the encoding in use. (Daniel Watkins)

   * The compression used within the bzr repository has changed from zlib
     level 9 to the zlib default level. This improves commit performance with
     only a small increase in space used (and in some cases a reduction in
     space). (Robert Collins)

   * Initial commit no longer SHAs files twice and now reuses the path
     rather than looking it up again, making it faster.
     (Ian Clatworthy)

   * New option ``-c``/``--change`` for ``diff`` and ``status`` to show
     changes in one revision. (Lukáš Lalinský)

   * If versioned files match a given ignore pattern, a warning is now
     given. (Daniel Watkins, #48623)

   * ``bzr status`` now has -S as a short name for --short and -V as a
     short name for --versioned. These have been added to assist users
     migrating from Subversion: ``bzr status -SV`` is now like
     ``svn status -q``. (Daniel Watkins, #115990)

   * Added C implementation of ``PatienceSequenceMatcher``, which is about
     10x faster than the Python version. This speeds up commands that
     need file diffing, such as ``bzr commit`` or ``bzr diff``.
     (Lukáš Lalinský)

   * HACKING has been extended with a large section on core developer tasks.
     (Ian Clatworthy)

   * Add ``branches`` and ``standalone-trees`` as online help topics and
     include them as Concepts within the User Reference.
     (Paul Moore, Ian Clatworthy)

  API BREAKS:

   * ``Branch.append_revision`` is removed altogether; please use
     ``Branch.set_last_revision_info`` instead. (Martin Pool)

   * CommitBuilder now advertises itself as requiring the root entry to be
     supplied. This only affects foreign repository implementations which reuse
     CommitBuilder directly and have changed record_entry_contents to require
     that the root not be supplied. This should be precisely zero plugins
     affected. (Robert Collins)

   * The ``add_lines`` methods on ``VersionedFile`` implementations has changed
     its return value to include the sha1 and length of the inserted text. This
     allows the avoidance of double-sha1 calculations during commit.
     (Robert Collins)

   * ``Transport.should_cache`` has been removed. It was not called in the
     previous release. (Martin Pool)

  TESTING:

   * Tests may now raise TestNotApplicable to indicate they shouldn't be
     run in a particular scenario. (Martin Pool)

   * New function multiply_tests_from_modules to give a simpler interface
     to test parameterization. (Martin Pool, Robert Collins)

   * ``Transport.should_cache`` has been removed. It was not called in the
     previous release. (Martin Pool)

   * NULL_REVISION is returned to indicate the null revision, not None.
     (Aaron Bentley)

   * Use UTF-8 encoded StringIO for log tests to avoid failures on
     non-ASCII committer names. (Lukáš Lalinský)

  INTERNALS:

   * ``bzrlib.plugin.all_plugins`` has been deprecated in favour of
     ``bzrlib.plugin.plugins()`` which returns PlugIn objects that provide
     useful functionality for determining the path of a plugin, its tests, and
     its version information. (Robert Collins)

   * Add the option user_encoding to the function 'show_diff_trees()'
     in order to move the user encoding at the UI level. (Goffredo Baroncelli)

   * Add the function make_commit_message_template_encoded() and the function
     edit_commit_message_encoded() which handle encoded strings.
     This is done in order to mix the commit messages (which is a unicode
     string), and the diff which is a raw string. (Goffredo Baroncelli)

   * CommitBuilder now defaults to using add_lines_with_ghosts, reducing
     overhead on non-weave repositories which don't require all parents to be
     present. (Robert Collins)

   * Deprecated method ``find_previous_heads`` on
     ``bzrlib.inventory.InventoryEntry``. This has been superseded by the use
     of ``parent_candidates`` and a separate heads check via the repository
     API. (Robert Collins)

   * New trace function ``mutter_callsite`` will print out a subset of the
     stack to the log, which can be useful for gathering debug details.
     (Robert Collins)

   * ``bzrlib.pack.ContainerWriter`` now tracks how many records have been
     added via a public attribute records_written. (Robert Collins)

   * New method ``bzrlib.transport.Transport.get_recommended_page_size``.
     This provides a hint to users of transports as to the reasonable
     minimum data to read. In principle this can take latency and
     bandwidth into account on a per-connection basis, but for now it
     just has hard coded values based on the url. (e.g. http:// has a large
     page size, file:// has a small one.) (Robert Collins)

   * New method on ``bzrlib.transport.Transport`` ``open_write_stream`` allows
     incremental addition of data to a file without requiring that all the
     data be buffered in memory. (Robert Collins)

   * New methods on ``bzrlib.knit.KnitVersionedFile``:
     ``get_data_stream(versions)``, ``insert_data_stream(stream)`` and
     ``get_format_signature()``. These provide some infrastructure for
     efficiently streaming the knit data for a set of versions over the smart
     protocol.

   * Knits with no annotation cache still produce correct annotations.
     (Aaron Bentley)

   * Three new methods have been added to ``bzrlib.trace``:
     ``set_verbosity_level``, ``get_verbosity_level`` and ``is_verbose``.
     ``set_verbosity_level`` expects a numeric value: negative for quiet,
     zero for normal, positive for verbose. The size of the number can be
     used to determine just how quiet or verbose the application should be.
     The existing ``be_quiet`` and ``is_quiet`` routines have been
     integrated into this new scheme. (Ian Clatworthy)

   * Options can now be delcared with a ``custom_callback`` parameter. If
     set, this routine is called after the option is processed. This feature
     is now used by the standard options ``verbose`` and ``quiet`` so that
     setting one implicitly resets the other. (Ian Clatworthy)

   * Rather than declaring a new option from scratch in order to provide
     custom help, a centrally registered option can be decorated using the
     new ``bzrlib.Option.custom_help`` routine. In particular, this routine
     is useful when declaring better help for the ``verbose`` and ``quiet``
     standard options as the base definition of these is now more complex
     than before thanks to their use of a custom callback. (Ian Clatworthy)

    * Tree._iter_changes(specific_file=[]) now iterates through no files,
      instead of iterating through all files. None is used to iterate through
      all files. (Aaron Bentley)

    * WorkingTree.revert() now accepts None to revert all files. The use of
      [] to revert all files is deprecated. (Aaron Bentley)

0 blueprints and 14 bugs targeted

Bug report Importance Assignee Status
137449 #137449 status performance regression compared to 0.17? 2 Critical Martin Pool  3 Invalid
93856 #93856 "bzr update" won't fetch tags 3 High Martin Pool  10 Fix Released
93860 #93860 bzr tag on bound branch should push tags to master branch 3 High Martin Pool  10 Fix Released
119765 #119765 default branch format should support tags 3 High Martin Pool  10 Fix Released
120026 #120026 Can't branch with bzr+ssh if tags are used 3 High Martin Pool  10 Fix Released
131396 #131396 Too many connects to master branch by update 3 High Vincent Ladeuil  10 Fix Released
137044 #137044 Saved FTP passwords not used, password not prompted 3 High Vincent Ladeuil  10 Fix Released
93947 #93947 Can't push conflicting tags to remote branch 4 Medium   10 Fix Released
128076 #128076 Asked for password multiple times when running update command 4 Medium Vincent Ladeuil  10 Fix Released
131100 #131100 `bzr --version` should care about encoding of stdout 4 Medium Alexander Belchenko  10 Fix Released
137348 #137348 transport.ensure_base() fails for c: on windows 4 Medium   10 Fix Released
111665 #111665 bzr rm should remove clean subtrees 5 Low Marius Kruger  10 Fix Released
130574 #130574 Interrupting bzr log causes "bzr crashed with IOError in <module>()" 5 Low   10 Fix Released
61685 #61685 bzr bundle -r N.. doesn't work 1 Undecided Aaron Bentley  10 Fix Released
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