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.. contents:: List of Releases
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:2.2b3: NOT RELEASED YET
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* An API break has been made to the lock_write method of ``Branch`` and
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``Repository`` objects; they now return ``branch.BranchWriteLockResult``
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and ``repository.RepositoryWriteLockResult`` objects. This makes
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changing the API in future easier and permits some cleaner calling code.
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The lock_read method has also changed from having no defined return
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value to returning ``LogicalLockResult`` objects.
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* ``bzr`` does not try to guess the username as ``username@hostname``
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and requires it to be explictly set. This can be set using ``bzr
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(Parth Malwankar, #549310)
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* ``bzrlib.commands.Command`` will now raise ValueError during
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construction if there is no __doc__ set. (Robert Collins)
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* ``bzr commit`` accepts ``-p`` (for "patch") as a shorter name for
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(Parth Malwankar, #571467)
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* ``bzr ignore`` now supports a ``--default-rules`` option that displays
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the default ignore rules used by bzr. The flag ``--old-default-rules``
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is no longer supported by ``ignore``.
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(Parth Malwankar, #538703)
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* ``bzr pack`` now supports a ``--clean-obsolete-packs`` option that
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can save disk space by deleting obsolete pack files created during the
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(Parth Malwankar, #304320)
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* New command line option ``--authors`` to ``bzr log`` allows users to
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select which of the apparent authors and committer should be
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included in the log. Defaults depend on format. (Martin von Gagern, #513322)
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* Support ``--directory`` option for a number of additional commands:
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added, annotate, bind, cat, cat-revision, clean-tree, deleted,
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export, ignore, ignored, lookup-revision, ls, modified, nick,
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re-sign, unbind, unknowns.
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(Martin von Gagern, #527878)
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* ``.bazaar``, ``.bazaar/bazaar.conf`` and ``.bzr.log`` inherit user and
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group ownership from the containing directory. This allow bzr to work
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(Martin <gzlist@googlemail.com>, Parth Malwankar, #376388)
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* ``bzr clean-tree`` should not delete nested bzrdirs. Required for proper
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support of bzr-externals and scmproj plugins.
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(Alexander Belchenko, bug #572098)
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* ``bzr ignore`` will no longer add duplicate patterns to .bzrignore.
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(Gordon Tyler, #572092)
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* ``bzr log --exclude-common-ancestry -r X..Y`` displays the revisions that
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are part of Y ancestry but not part of X ancestry (aka the graph
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(Vincent Ladeuil, #320119)
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* ``bzr rm`` should not refuse to delete directories which contained a file
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which has been moved elsewhere in the tree after the previous commit.
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(Marius Kruger, Daniel Watkins, #129880)
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* ``bzr selftest --parallel=fork`` wait for its children avoiding zombies.
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(Vincent Ladeuil, #566670)
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* ``bzr selftest`` should not use ui.note() since it's not unicode safe.
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(Vincent Ladeuil, #563997)
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* CommitBuilder refuses to create revisions whose trees have no root.
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* Don't mention --no-strict when we just issue the warning about unclean trees.
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(Vincent Ladeuil, #401599)
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* Fixed ``AssertionError`` when accessing smart servers running Bazaar
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(Andrew Bennetts, #528041)
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* Heavyweight checkout operation now shows a message to the user indicating
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history is being copied.
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(Parth Malwankar, #538868)
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* Reduce peak memory by one copy of compressed text.
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(John Arbash Meinel, #566940)
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* Selftest was failing with testtools 0.9.3, which caused an
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AssertionError raised from a cleanUp to be reported as a Failure, not an
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Error, breaking on of our test hygiene tests.
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(Robert Collins, Vincent Ladeuil).
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* ``set_user_option`` with a dict on remote branches no longer fails with
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an AttributeError. There is a new ``Branch.set_config_option_dict`` RPC
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to support this efficiently.
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(Andrew Bennetts, #430382)
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* Show the filenames when a file rename fails so that the error will be
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(Martin Pool, #491763)
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* Unicode characters in aliases are now handled correctly and do not cause
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UnicodeEncodeError exception. (Parth Malwankar, #529930)
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* Unicode commit messages that are the same as a file name no longer cause
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UnicodeEncodeError. ``ui.text.show_warning`` now handles unicode
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(Parth Malwankar, #563646)
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* Using bzr with `lp:` urls behind an http proxy should work.
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(Robert Collins, #558343)
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* ``append_revisions_only`` will now be interpreted as a boolean and a
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warning emitted if illegal values are used. Note that for projects
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that needs to maintain compatibility with previsous bzr versions,
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only 'True' and 'False' strings must be used (previous versions of
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bzr will interpret all strings differing from 'True'
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(case-sensitive) as false.
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(Brian de Alwis, Vincent Ladeuil)
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* ``bzr ls`` now supports short options for existing long options.
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``-k/--kind``, ``-i/--ignored``, ``-u/--unknown`` and ``-0/--null``.
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(Parth Malwankar, #181124)
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* ``Config.get_user_option_as_bool`` will now warn if a value cannot
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be interpreted as a boolean.
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* Added ``bzrlib.merge.PerFileMerger``, a more convenient way to write
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some kinds of ``merge_file_content`` hook functions.
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* `BzrDir`, `Branch`, `Repository` and `WorkingTree` now all support `user_url`,
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`user_transport`, `control_url` and `control_transport` members pointing
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respectively to the directory containing the ``.bzr`` control directory,
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and to the directory within ``.bzr`` used for the particular component.
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All of them inherit from `ControlComponent` which provides default
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* Lock methods on ``Tree``, ``Branch`` and ``Repository`` are now
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expected to return an object which can be used to unlock them. This reduces
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duplicate code when using cleanups. The previous 'tokens's returned by
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``Branch.lock_write`` and ``Repository.lock_write`` are now attributes
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on the result of the lock_write. ``repository.RepositoryWriteLockResult``
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and ``branch.BranchWriteLockResult`` document this. (Robert Collins)
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* ``Repository.refresh_data`` may now be called in a write group on
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pack-based repositories. Older repositories will still raise an error
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in this case. Subclasses of ``Repository`` can still override
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``Repository._refresh_data``, but are now responsible for raising
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``bzrlib.repository.IsInWriteGroupError`` if they do not support
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``refresh_data`` during a write group.
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(Andrew Bennetts, #574236)
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* ``chk_map._bytes_to_text_key`` is now an optimized function to extract
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the (file-id, revision-id) key from a CHKInventory entry. This can
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potentially shave 5-10% time off during a large fetch. Related to bug
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#562666. (John Arbash Meinel)
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* ``log._get_info_for_log_files`` now takes an add_cleanup callable.
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* ``_remember_remote_is_before`` no longer raises AssertionError when
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suboptimal network behaviour is noticed; instead it just mutters to the
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log file (and warns the user if they have set the ``hpss`` debug flag).
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This was causing unnecessary aborts for performance bugs that are minor
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(Andrew Bennetts, #528041)
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* Permit bzr to run under ``python -OO`` which reduces the size of bytecode
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files loaded from disk. To ensure docstrings needed for help are never
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stripped, the prefix ``__doc__ =`` should now be used.
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(Martin <gzlist@googlemail.com>)
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* Added ``bzrlib.tests.matchers`` as a place to put matchers, along with
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our first in-tree matcher. See the module docstring for details.
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* ``bzr selftest --parallel=subprocess`` now works correctly on win32.
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(Gordon Tyler, #551332)
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* Workaround ``Crypto.Random`` check leading to spurious test
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failures on Lucid, FreeBSD and gentoo.
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(Vincent Ladeuil, #528436)
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This is a somewhat early second beta of the 2.2 series, to fix a python2.4
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incompatibility in the 2.2b1 release. It also includes a swag of
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performance, usability and correctness improvements: test feedback on all
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of these would be welcome.
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* ``bzr diff`` now supports a --format option, which can be used to
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select alternative diff formats. (Jelmer Vernooij, #555994)
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* ``bzr dpush``, ``bzr push`` and ``bzr send`` will now issue a warning
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instead of failing when dirty trees are involved. The corresponding
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``dpush_strict``, ``push_strict`` and ``send_strict`` should be set to
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True explicitly to get the previous behaviour.
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(Vincent Ladeuil, #519319)
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* ``bzr export`` to tar file does not fail if any parent directory
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contains unicode characters. This works around upstream Python bug
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http://bugs.python.org/issue8396 .
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(Parth Malwankar, #413406)
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* ``bzr switch`` does not die if a ConfigurableFileMerger is used.
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(Aaron Bentley, #559436)
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* ``bzr update`` when a pending merge in the working tree has been merged
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into the master branch will no longer claim that old commits have become
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pending merges. (Robert Collins, #562079)
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* ``bzrlib.mutabletree.MutableTree.commit`` will now support a passed in
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config as in previous versions of bzrlib. (Robert Collins)
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* Fix glitch in the warning about unclean trees display.
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(Vincent Ladeuil, #562665)
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* Fixed Python2.4 incompatibilities in the bzr2.2b1 source tarball.
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* Help messages generated by ``RegistryOption.from_kwargs`` list the
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switches in alphabetical order, rather than in an undefined order.
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(Martin von Gagern, #559409)
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* Make sure the ``ExecutablePath`` and ``InterpreterPath`` are set in
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Apport crash reports, to avoid "This problem report applies to a program
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which is not installed any more" error.
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(Martin Pool, James Westby, #528114)
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* Reset ``siginterrupt`` flag to False every time we handle a signal
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installed with ``set_signal_handler(..., restart_syscall=True)`` (from
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``bzrlib.osutils``. Reduces the likelihood of "Interrupted System Call"
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errors after two window resizes.
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* When invoked with a range revision, ``bzr log`` doesn't show revisions
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that are not part of the Y revisions ancestry anymore when invoked with
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(Vincent Ladeuil, #474807)
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* Properly handle ``param_name`` attribute for ``ListOption``.
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(Martin von Gagern, 387117)
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* ``bzr commit`` will prompt before using a commit message that was
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generated by a template and not edited by the user.
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(Robert Collins, #530265)
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* ``bzr diff`` read-locks the trees and branches only once, saving about
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10-20ms on ``bzr diff`` in a bzr.dev tree.
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* ``bzr missing`` read-locks the branches only once.
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* ``bzr pull`` locks the branches and tree only once.
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* Index lookups in pack repositories search recently hit pack files first.
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In repositories with many pack files this can greatly reduce the
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number of files accessed, the number of bytes read, and the number of
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read calls. An incremental pull via plain HTTP takes half the time and
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bytes for a moderately large repository. (Andrew Bennetts)
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* Index lookups only re-order the indexes when the hit files aren't
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already first. Reduces the cost of reordering
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(John Arbash Meinel, #562429)
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* Less code is loaded at startup. (Cold-cache start time is about 10-20%
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(Martin Pool, #553017)
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* ``bzrlib.diff.get_trees_and_branches_to_diff`` is deprecated. Use
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``get_trees_and_branches_to_diff_locked`` instead.
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* ``TreeTransform.commit`` supports the full set of commit parameters, and
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auto-determines branch nick if not supplied. (Aaron Bentley)
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* ``bzrlib.commands.Command.run_direct`` is no longer needed - the pre
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2.1 method of calling run() to perform testing or direct use via the API
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is now possible again. As part of this, the _operation attribute on
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Command is now transient and only exists for the duration of ``run()``.
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:2.2.0b1: Not released yet
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Compatibility Breaks
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********************
added
removed
NEWS
