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mads

repo groups: make it possible to remove own explicit permissions, now when group owners always have admin permissions

Until recently, group owners very given explicit admin permissions on repo
group, and special care was taken to make sure they didn't remove themselves.

Now we always give admin permissions to owners, and don't care about the
explicit permissions. We no longer add them when creating groups or changing
owner. There is no migration step to remove redundant permissions, but we
should allow group admins to remove them. This change will thus remove the
mechanism for preventing removal of own/owner permissions.

.. _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/