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mads
permissions: drop hg.create.write_on_repogroup "Repository creation with group write access" setting

Simplify permissions system and get rid of some confusing tech debt.

Before, the global 'write_on_repogroup' setting controlled what write
permission on a repo group meant.

With this change, users can create repositories in a repo group if and only if
they have write access. Write access to a repo group will now mean the
permission to create repositories in it.

Write access to repo groups must be granted explicitly. There should not be any
other reason to grant write access than to allow users to create repos. There
is thus no upgrade concerns for this change.

An admin that doesn't want users to create repos in a repogroup should just not
give them write access.

These global settings might still exist in the database, but is ignored and no
longer used and do no harm.
.. _vcs_setup:

=============================
Version control systems setup
=============================

Kallithea supports Git and Mercurial repositories out-of-the-box.
For Git, you do need the ``git`` command line client installed on the server.

You can always disable Git or Mercurial support by editing the
file ``kallithea/__init__.py`` and commenting out the backend. For example, to
disable Git but keep Mercurial enabled:

.. code-block:: python

   BACKENDS = {
       'hg': 'Mercurial repository',
       #'git': 'Git repository',
   }


Git-specific setup
------------------


Web server with chunked encoding
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Large Git pushes require an HTTP server with support for
chunked encoding for POST. The Python web servers waitress_ and
gunicorn_ (Linux only) can be used. By default, Kallithea uses
waitress_ for `gearbox serve` instead of the built-in `paste` WSGI
server.

The web server used by gearbox is controlled in the .ini file::

    use = egg:waitress#main

or::

    use = egg:gunicorn#main

Also make sure to comment out the following options::

    threadpool_workers =
    threadpool_max_requests =
    use_threadpool =

Increasing Git HTTP POST buffer size
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

If Git pushes fail with HTTP error code 411 (Length Required), you may need to
increase the Git HTTP POST buffer. Run the following command as the user that
runs Kallithea to set a global Git variable to this effect::

    git config --global http.postBuffer 524288000


.. _waitress: http://pypi.python.org/pypi/waitress
.. _gunicorn: http://pypi.python.org/pypi/gunicorn
.. _subrepositories: http://mercurial.aragost.com/kick-start/en/subrepositories/