Bazaar 1.4

This release of Bazaar includes handy improvements to the speed of log and
status, new options for several commands, improved documentation, and better
hooks, including initial code for server-side hooks. A number of bugs have
been fixed, particularly in interoperability between different formats or
different releases of Bazaar over there network. There's been substantial
internal work in both the repository and network code to enable new features
and faster performance.

Milestone information

Martin Pool
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2 Aaron Bentley, 1 Alexander Belchenko, 4 Andrew Bennetts, 1 James Westby, 2 John A Meinel, 1 Lukáš Lalinský
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14 Fix Released

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download icon Bazaar-1.4-OSX10.4-universal-1.dmg (md5, sig) Mac OS X 10.4 (universal) installer (for Python 2.5) 51
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download icon Bazaar-1.4-OSX10.5.dmg (md5, sig) Mac OS X 10.5 (Leopard) installer 56
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download icon bzr-1.4.win32-py2.5.exe (md5) Windows Python-based Installer (for Python 2.5) 84
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download icon bzr-1.4.win32-py2.4.exe (md5) Windows Python-based Installer (for Python 2.4) 79
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download icon bzr-setup-1.4.exe (md5) Windows Standalone Installer 79
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Total downloads: 1,671

Release notes 

bzr 1.4 2008-04-28


    * Pushing a branch in "dirstate" format (Branch5) over bzr+ssh would break
      if the remote server was < version 1.2. This was due to a bug in the
      RemoteRepository.get_parent_map() fallback code.
      (John Arbash Meinel, Andrew Bennetts, #214894)

bzr 1.4rc2 2008-04-21


    * ``bzr log -r ..X bzr://`` was failing, because it was getting a request
      for ``revision_id=None`` which was not a string.
      (John Arbash Meinel, #211661)

    * Fixed a bug in handling ghost revisions when logging changes in a
      particular file. (John Arbash Meinel, #209948)

    * Fix error about "attempt to add line-delta in non-delta knit".
      (Andrew Bennetts, #205156)

    * Fixed performance degradation in fetching from knit repositories to
      knits and packs due to parsing the entire revisions.kndx on every graph
      walk iteration fixed by using the Repository.get_graph API. There was
      another regression in knit => knit fetching which re-read the index for
      every revision each side had in common.
      (Robert Collins, John Arbash Meinel)

bzr 1.4rc1 2008-04-11



   * bzr main script cannot be imported (Benjamin Peterson)

   * On Linux bzr additionally looks for plugins in arch-independent site
     directory. (Toshio Kuratomi)

   * The ``set_rh`` branch hook is now deprecated. Please migrate
     any plugins using this hook to use an alternative, e.g.
     ``post_change_branch_tip``. (Ian Clatworthy)

   * When a plugin cannot be loaded as the file path is not a valid
     python module name bzr will now strip a ``bzr_`` prefix from the
     front of the suggested name, as many plugins (e.g. bzr-svn)
     want to be installed without this prefix. It is a common mistake
     to have a folder named "bzr-svn" for that plugin, especially
     as this is what bzr branch lp:bzr-svn will give you. (James Westby,
     Andrew Cowie)

   * UniqueIntegerBugTracker now appends bug-ids instead of joining
     them to the base URL. Plugins that register bug trackers may
     need a trailing / added to the base URL if one is not already there.
     (James Wesby, Andrew Cowie)


    * Added mail-mode GNU Emacs mail package as a mail_client.
      (Xavier Maillard, Bojan Nikolic)

    * Added start_commit hook for mutable trees. (Jelmer Vernooij, #186422)

    * ``status`` now accepts ``--no-pending`` to show the status without
      listing pending merges, which speeds up the command a lot on large
      histories. (James Westby, #202830)

    * New ``post_change_branch_tip`` hook that is called after the
      branch tip is moved but while the branch is still write-locked.
      See the User Reference for signature details.
      (Ian Clatworthy, James Henstridge)


    * The smart protocol now has support for setting branches' revision info
      directly. This should make operations like push slightly faster, and is a
      step towards server-side hooks. The new request method name is
      ``Branch.set_last_revision_info``. (Andrew Bennetts)

    * ``bzr commit --fixes`` now recognises "gnome" as a tag by default.
      (James Westby, Andrew Cowie)

    * ``bzr switch`` will attempt to find branches to switch to relative to the
      current branch. E.g. ``bzr switch branchname`` will look for
      ``current_branch/../branchname``. (Robert Collins, Jelmer Vernooij,
      Wouter van Heyst)

    * Diff is now more specific about execute-bit changes it describes
      (Chad Miller)

    * Fetching data over HTTP is a bit faster when urllib is used. This is done
      by forcing it to recv 64k at a time when reading lines in HTTP headers,
      rather than just 1 byte at a time. (Andrew Bennetts)

    * Log --short and --line are much faster when -r is not specified.
      (Aaron Bentley)

    * Merge is faster. We no longer check a file's existence unnecessarily
      when merging the execute bit. (Aaron Bentley)

    * ``bzr status`` on an explicit list of files no longer shows pending
      merges, making it much faster on large trees. (John Arbash Meinel)

    * The launchpad directory service now warns the user if they have not set
      their launchpad login and are trying to resolve a URL using it, just
      in case they want to do a write operation with it. (James Westby)

    * The smart protocol client is slightly faster, because it now only queries
      the server for the protocol version once per connection. Also, the HTTP
      transport will now automatically probe for and use a smart server if
      one is present. You can use the new ``nosmart+`` transport decorator
      to get the old behaviour. (Andrew Bennetts)

    * The ``version`` command takes a ``--short`` option to print just the
      version number, for easier use in scripts. (Martin Pool)

    * Various operations with revision specs and commands that calculate
      revnos and revision ids are faster. (John A. Meinel, Aaron Bentley)


    * Add ``root_client_path`` parameter to SmartWSGIApp and
      SmartServerRequest. This makes it possible to publish filesystem
      locations that don't exactly match URL paths. SmartServerRequest
      subclasses should use the new ``translate_client_path`` and
      ``transport_from_client_path`` methods when dealing with paths received
      from a client to take this into account. (Andrew Bennetts, #124089)

    * ``bzr mv a b`` can be now used also to rename previously renamed
      directories, not only files. (Lukáš Lalinský, #107967)

    * ``bzr uncommit --local`` can now remove revisions from the local
      branch to be symmetric with ``bzr commit --local``.
      (John Arbash Meinel, #93412)

    * Don't ask for a password if there is no real terminal.
      (Alexander Belchenko, #69851)

    * Fix a bug causing a ValueError crash in ``parse_line_delta_iter`` when
      fetching revisions from a knit to pack repository or vice versa using
      bzr:// (including over http or ssh).
      (#208418, Andrew Bennetts, Martin Pool, Robert Collins)

    * Fixed ``_get_line`` in ````, which was buggy. Also
      fixed ``_get_bytes`` in the same module to use the push back buffer.
      These bugs had no known impact in normal use, but were problematic for
      developers working on the code, and were likely to cause real bugs sooner
      or later. (Andrew Bennetts)

    * Implement handling of basename parameter for DefaultMail. (James Westby)

    * Incompatibility with Paramiko versions newer than 1.7.2 was fixed.
      (Andrew Bennetts, #213425)

    * Launchpad locations (lp: URLs) can be pulled. (Aaron Bentley, #181945)

    * Merges that add files to deleted root directories complete. They
      do create conflicts. (Aaron Bentley, #210092)

    * vsftp's return ``550 RNFR command failed.`` supported.
      (Marcus Trautwig, #129786)


    * Improved documentation on send/merge relationship. (Peter Schuller)

    * Minor fixes to the User Guide. (Matthew Fuller)

    * Reduced the evangelism in the User Guide. (Ian Clatworthy)

    * Added Integrating with Bazaar document for developers (Martin Albisetti)


    * Attempting to pull data from a ghost aware repository (e.g. knits) into a
      non-ghost aware repository such as weaves will now fail if there are
      ghosts. (Robert Collins)

    * ``KnitVersionedFile`` no longer accepts an ``access_mode`` parameter, and
      now requires the ``index`` and ``access_method`` parameters to be
      supplied. A compatible shim has been kept in the new function
      ``knit.make_file_knit``. (Robert Collins)

    * Log formatters must now provide log_revision instead of show and
      show_merge_revno methods. The latter had been deprecated since the 0.17
      release. (James Westby)

    * ``LoopbackSFTP`` is now called ``SocketAsChannelAdapter``.
      (Andrew Bennetts)

    * ``osutils.backup_file`` is removed. (Alexander Belchenko)

    * ``Repository.get_revision_graph`` is deprecated, with no replacement
      method. The method was size(history) and not desirable. (Robert Collins)

    * ``revision.revision_graph`` is deprecated, with no replacement function.
      The function was size(history) and not desirable. (Robert Collins)

    * ``Transport.get_shared_medium`` is deprecated. Use
      ``Transport.get_smart_medium`` instead. (Andrew Bennetts)

    * ``VersionedFile`` factories now accept a get_scope parameter rather
      than using a call to ``transaction_finished``, allowing the removal of
      the fixed list of versioned files per repository. (Robert Collins)

    * ``VersionedFile.annotate_iter`` is deprecated. While in principle this
      allowed lower memory use, all users of annotations wanted full file
      annotations, and there is no storage format suitable for incremental
      line-by-line annotation. (Robert Collins)

    * ``VersionedFile.clone_text`` is deprecated. This performance optimisation
      is no longer used - reading the content of a file that is undergoing a
      file level merge to identical state on two branches is rare enough, and
      not expensive enough to special case. (Robert Collins)

    * ``VersionedFile.clear_cache`` and ``enable_cache`` are deprecated.
      These methods added significant complexity to the ``VersionedFile``
      implementation, but were only used for optimising fetches from knits -
      which can be done from outside the knit layer, or via a caching
      decorator. As knits are not the default format, the complexity is no
      longer worth paying. (Robert Collins)

    * ``VersionedFile.create_empty`` is removed. This method presupposed a
      sensible mapping to a transport for individual files, but pack backed
      versioned files have no such mapping. (Robert Collins)

    * ``VersionedFile.get_graph`` is deprecated, with no replacement method.
      The method was size(history) and not desirable. (Robert Collins)

    * ``VersionedFile.get_graph_with_ghosts`` is deprecated, with no
      replacement method. The method was size(history) and not desirable.
      (Robert Collins)

    * ``VersionedFile.get_parents`` is deprecated, please use
      ``VersionedFile.get_parent_map``. (Robert Collins)

    * ``VersionedFile.get_sha1`` is deprecated, please use
      ``VersionedFile.get_sha1s``. (Robert Collins)

    * ``VersionedFile.has_ghost`` is now deprecated, as it is both expensive
      and unused outside of a single test. (Robert Collins)

    * ``VersionedFile.iter_parents`` is now deprecated in favour of
      ``get_parent_map`` which can be used to instantiate a Graph on a
      VersionedFile. (Robert Collins)


    * New -Dselftest_debug flag disables clearing of the debug flags during
      tests. This is useful if you want to use e.g. -Dhpss to help debug a
      failing test. Be aware that using this feature is likely to cause
      spurious test failures if used with the full suite. (Andrew Bennetts)

    * selftest --load-list now uses a new more agressive test loader that will
      avoid loading unneeded modules and building their tests. Plugins can use
      this new loader by defining a load_tests function instead of a test_suite
      function. (a forthcoming patch will provide many examples on how to
      implement this).
      (Vincent Ladeuil)

    * selftest --load-list now does some sanity checks regarding duplicate test
      IDs and tests present in the list but not found in the actual test suite.
      (Vincent Ladeuil)

    * Slightly more concise format for the selftest progress bar, so there's
      more space to show the test name. (Martin Pool) ::

        [2500/10884, 1fail, 3miss in 1m29s] test_revisionnamespaces.TestRev

    * The test suite takes much less memory to run, and is a bit faster. This
      is done by clearing most attributes of TestCases after running them, if
      they succeeded. (Andrew Bennetts)


    * Added ``_build_client_protocol`` to ``_SmartClient``. (Andrew Bennetts)

    * Added basic infrastructure for automatic plugin suggestion.
      (Martin Albisetti)

    * If a ``LockableFiles`` object is not explicitly unlocked (for example
      because of a missing ``try/finally`` block, it will give a warning but
      not automatically unlock itself. (Previously they did.) This
      sometimes caused knock-on errors if for example the network connection
      had already failed, and should not be relied upon by code.
      (Martin Pool, #109520)

    * ``make dist`` target to build a release tarball, and also
      ``check-dist-tarball`` and ``dist-upload-escudero``. (Martin Pool)

    * The ``read_response_tuple`` method of ``SmartClientRequestProtocol*``
      classes will now raise ``UnknownSmartMethod`` when appropriate, so that
      callers don't need to try distinguish unknown request errors from other
      errors. (Andrew Bennetts)

    * ``set_make_working_trees`` is now implemented provided on all repository
      implementations (Aaron Bentley)

    * ``VersionedFile`` now has a new method ``get_parent_map`` which, like
      ``Graph.get_parent_map`` returns a dict of key:parents. (Robert Collins)


This release does not have a changelog.

0 blueprints and 14 bugs targeted

Bug report Importance Assignee Status
181945 #181945 bzr pull lp:upstart fails 2 Critical Aaron Bentley  10 Fix Released
207558 #207558 "bzr branch" fails with >= r3309 2 Critical Andrew Bennetts  10 Fix Released
217701 #217701 attempt to add line-delta in non-delta knit 2 Critical Andrew Bennetts  10 Fix Released
124089 #124089 wsgi smart server chrooting does not manage additional paths 3 High Andrew Bennetts  10 Fix Released
198092 #198092 Should tell the user to run bzr launchpad-login before push lp: 3 High James Westby  10 Fix Released
210092 #210092 Bazaar raises AssertionError in TreeTransformBase.version_file: 'file_id is not None' 3 High Aaron Bentley  10 Fix Released
213425 #213425 "'SSHSubprocess' object has no attribute 'get_name'" with paramiko > 1.7.2 3 High Andrew Bennetts  10 Fix Released
77657 #77657 bzr add fails on a non-utf8 filename in an utf8 locale 4 Medium John A Meinel  10 Fix Released
107967 #107967 Using bzr mv --after on a directory (as opposed to a filename) fails 4 Medium Lukáš Lalinský  10 Fix Released
129786 #129786 "bzr push" fails with vsftpd 4 Medium   10 Fix Released
193779 #193779 bzr+ssh on Win32 dies in paramiko with EOFError when authentication failed 5 Low Alexander Belchenko  10 Fix Released
255732 #255732 bzr plugins throws exception 5 Low   10 Fix Released
93412 #93412 No matching uncommit --local 6 Wishlist John A Meinel  10 Fix Released
230294 #230294 ERROR: bzrlib.errors.KnitCorrupt: Knit <bzrlib.knit.KnitGraphIndex object at 0x86e1e2c> corrupt: attempt to add line-delta in non-delta knit 1 Undecided   10 Fix Released
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