4
Consider the following simple scenario where we will be serving Bazaar branches
5
that live on a single server. Those branches are in the subdirectories of
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``/srv/bzr`` (or ``C:\\bzr``) and they will all be related to a single project
7
called "ProjectX". ProjectX will have a trunk branch and at least one feature
8
branch. As we get further, we will consider other scenarios, but this will be
9
a sufficiently motivating example.
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The simplest possible setup for providing outside access to the branches on
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the server uses Bazaar's built-in smart server tunneled over SSH_ so
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that people who can access your server using SSH can have read and write
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access to branches on the server. This setup uses the authentication
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mechanisms of SSH including private keys, and the access control mechanisms of
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the server's operating system. In particular, using groups on the server, it
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is possible to provide different access privileges to different groups of
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.. _SSH: http://www.openssh.org/
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There is no setup required for this on the server, apart from having Bazaar
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installed and SSH access available to your developers. Using SSH
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configuration options it is possible to restrict developers from using
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anything *but* Bazaar on the server via SSH, and to limit what part of the
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file system they can access.
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Clients can access the branches using URLs with the ``bzr+ssh://`` prefix. For
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example, to get a local copy of the ProjectX trunk, a developer could do::
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$ bzr branch bzr+ssh://server.example.com/srv/bzr/projectx/trunk projectx
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If the developers have write access to the ``/srv/bzr/projectx`` directory, then
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they can create new branches themselves using::
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$ bzr branch bzr+ssh://server.example.com/srv/bzr/projectx/trunk \
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bzr+ssh://server.example.com/srv/bzr/projectx/feature-gui
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Of course, if this isn't desired, then developers should not have write access
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to the ``/srv/bzr/projectx`` directory.
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For a project with multiple branches that are all related, it is best to use a
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shared repository to hold all of the branches. To set this up, do::
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$ bzr init-repo --no-trees projectx
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The ``--no-trees`` option saves space by not creating a copy of the working
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files on the server's filesystem. Then, any branch created under
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``/srv/bzr/projectx`` (see `Migration <migration.html>`_ for some ways to do
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this) will share storage space, which is particularly helpful for branches that
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have many revisions in common, such as a project trunk and its feature
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If Bazaar is not installed on the user's path or not specified in the SSH
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configuration, then a path can be specified from the client with the
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``BZR_REMOTE_PATH`` environment variable. For example, if the Bazaar executable
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is installed in ``/usr/local/bzr-2.0/bin/bzr``, then a developer could use::
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$ BZR_REMOTE_PATH=/usr/local/bzr-2.0/bin/bzr bzr info \
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bzr+ssh://server.example.com/srv/bzr/proectx/trunk
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to get information about the trunk branch. The remote path can also be
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specified in Bazaar's configuration files for a particular location. See
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``bzr help configuration`` for more details.
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If developers have home directories on the server, they can use ``/~/`` in
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URLs to refer to their home directory. They can also use ``/~username/`` to
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refer to the home directory of user ``username``. For example, if there are two
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developers ``alice`` and ``bob``, then Bob could use::
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$ bzr log bzr+ssh://server.example.com/~/fix-1023
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to refer to one of his bug fix branches and::
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$ bzr log bzr+ssh://server.example.com/~alice/fix-2047
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to refer to one of Alice's branches. [#]_
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.. [#] The version of Bazaar installed on the server must be at least 2.1.0b1
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or newer to support ``/~/`` in bzr+ssh URLs.
added
removed
doc/en/admin-guide/simple-setups.txt
