Q:

svnadmin add new user and assign it only one repo

I will create a new user on my svn server, which can access only in one of my repository. It's possible?
My server runs debian squeeze.

A:

You can set permissions using svn authz file. First of all, we need to create an Access Control file.
sudo nano /etc/apache2/svn_access_control

User Groups
You can create groups of users and then use those for rules. You do this under a special heading in square brackets:
[groups]
mygroup = dave, mike

This will create a group called ‘mygroup’ which ‘dave’ and ‘mike’ belongs to.
And now for some examples. Examples
[groups]
team = bob, bill devteam = bob, barry, brett
[/]
@team = r bob = rw
[/wowapp/trunk]
@team = r @devteam = rw brenda = rw

In this example:
Created a group team which has two members; bob and bill.
Created another group, called devteam which has three members; bob, barry, brett.
In the root of the repository, I’ve given the group team read permissions.
Also, in the root, bob has read and write permissions.
In the trunk of wowapp, the group team has read permission.
Also, the devteam group has read and write permissions.
And another user, called brenda has read and write permissions.

You need to add is the following line in apache svn configuration file.
AuthzSVNAccessFile /etc/apache2/svn_access_control

So that the file looks like this:
<Location /svn>
  DAV svn
  SVNPath /home/svn

  AuthType Basic
  AuthName "Subversion Repository"
  AuthUserFile /etc/apache2/dav_svn.passwd

  AuthzSVNAccessFile /etc/apache2/svn_access_control

  Require valid-user
</Location>

Save the file, and then restart Apache2:
sudo /etc/init.d/apache2 restart

You should now have access control working for Subversion over Apache2.

