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If you want to fix or improve something in Bazaar, we want to help you.
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You can ask at any time for help, on the list, on irc, or through a merge
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In particular, the rostered
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`Patch Pilot <http://wiki.bazaar.canonical.com/PatchPilot>`_
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is an experienced developer who will help you get your changes in, through
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code review, advice, debugging, writing tests, or whatever it takes.
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* `Bazaar mailing list <http://lists.ubuntu.com/mailman/listinfo/bazaar>`_
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* IRC in channel ``#bzr`` on ``irc.ubuntu.com``
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Before starting on a change it's a good idea to either file a bug, find a
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relevant existing bug, or send a proposal to the list. If there is a bug
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you should set it to "In Progress" and if you wish assign it to yourself.
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You might like to start with a bug tagged `easy
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<https://bugs.launchpad.net/bzr/+bugs?field.tag=easy>`_.
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First, get a local copy of Bazaar::
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$ bzr branch lp:bzr bzr.dev
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Now make your own branch; we recommend you include the bug number and also
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$ bzr branch bzr.dev 123456-status-speed
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and go ahead and commit in there. Normally you should fix only one bug or
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closely-related cluster of bugs per branch, to make reviews and merges
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For bugs that exist in older supported branches of bzr like 2.0 or 2.1,
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you might want to fix the bug there so it can go into a bugfix release,
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$ bzr branch lp:bzr/2.1 bzr.2.1
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$ bzr branch bzr.2.1 123458-2.1-status
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You probably want this configuration in ``~/.bazaar/locations.conf``::
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push_location = lp:~LAUNCHPAD_USER/bzr/
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push_location:policy = appendpath
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public_branch = http://bazaar.launchpad.net/~LAUNCHPAD_USER/bzr/
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public_branch:policy = appendpath
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with your local and Launchpad usernames inserted.
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Publishing your changes
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-----------------------
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After you've locally committed your changes, the configuration above
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should be enough that you can push them to Launchpad with a simple ::
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We value test coverage and generally all changes should have or update a
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test. There is a powerful test framework but it can be hard to find the
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right place to put your test. Don't hesitate to ask, or to propose a
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merge that does not yet have tests.
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Normally for command-line code you should look in
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``bzrlib.tests.blackbox`` and for library code in ``bzrlib.tests``. For
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functions on an interface for which there are multiple implementations,
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like `Transport`, look in ``bzrlib.tests.per_transport``.
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It's a good idea to search the tests for something related to the thing
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you're changing and you may find a test you can modify or adapt.
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Normally the tests will skip if some library dependencies are not present.
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On Ubuntu, you can install them with this command (you must have source
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repositories enabled in Software Sources)::
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$ sudo apt-get build-dep bzr
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To build the binary extensions::
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For more information: `Testing Guide <testing.html>`_.
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Then propose a merge into bzr; for bzr 2.2 and later you can use the ``bzr
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lp-propose-merge`` command. In the comment for your merge proposal please
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explain what you're trying to do and why. For `example
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<https://code.launchpad.net/~ian-clatworthy/bzr/whats-new-in-2.1/+merge/19677>`_:
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As discussed on the mailing list, this patch adds a What's New document
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summarising the changes since 2.0.
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If you make additional changes to your branch you don't need to resubmit;
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they'll automatically show up in the merge proposal.
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* `Launchpad Code Review Help <http://help.launchpad.net/Code/Review>`_.