one svn account for each programmer?

Question

Should I have one SVN user for each programmer on the Ubuntu server?

Is this accomplished by using "htpasswd" 4 times for 4 programmers?

How do I couple all these users to same group so that I could modify file access specific for the SVN group and all its members?

Answer 1

Yes, you should be giving all committers individual credentials. Each developer should have their own account, so that changes can be traced to a specific person. Over time you'll get an accurate view of who best knows parts of code. As a bonus, when one person leaves the group, you don't have to change the password (lets pretend you would actually do that for the moment).

There's two parts two configuring this; Authentication and Authorization. Authentication is the process of determining identity. You can use htpasswd to do this, but it's better to integrate your existing password systems if possible. mod-auth-external can likely do this for you.

The other part is authorization; determining who is allowed to access what. The easiest way is to use SVN Authz and path based authorization to define a group.

For example, your authz file may look like:

[groups]
developers = alice, bob, carla, trudy

[repo1:/]
developers = rw

[repo2:/]
alice = rw
developers = r

Answer 2

Yes. Each developer should have their own Apache username. Note they do not need a Unix user on the Ubuntu server. Just a different user created via htpasswd. If they are all in the same htpasswd file, they will be able to access the svn repo.

For more complicated permission management, look into SVN Authz files.

Answer 3

You can also use a project such as Subversion Admin to manage all the access files for you. It also allows you to easily setup the post-commit email notifications. As well as connect your server into an ldap or active directory system.