Make Gitweb behave like Apache mod_userdir

[Sylvain Rabot <sylvain@abstraction.fr>]

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Hello,

I contact you because I spent quite some time to make something pretty
basic with gitweb.
I made gitweb behave a bit like UserDir module will in apache.
In fact it's only configuration but I think it could be useful to others.

Basicly it allows users of your server who use git to be able to use
gitweb to browse their own root project. E.G. :

Alice's private repos :

/home/alice/git/product_a.git (cloned from /var/git/product_a.git)
/home/alice/git/product_b.git (cloned from /var/git/product_b.git)
/home/alice/git/product_c.git (cloned from /var/git/product_c.git)

Alice's links to her repos which she wants to be able to browse with gitweb :

/home/alice/gitweb/product_a -> /home/alice/git/product_a.git/.git
/home/alice/gitweb/product_c -> /home/alice/git/product_c.git/.git

Bare repos :

/var/git/product_a.git
/var/git/product_b.git
/var/git/product_c.git
/var/git/product_d.git

/etc/gitweb.conf :

$projectroot = $ENV{'GITWEB_PROJECTROOT'} || "/var/git/";

Apache configuration :

RewriteRule ^/~([^\/]+)/?$  /cgi-bin/gitweb.cgi
[QSA,E=GITWEB_PROJECTROOT:/home/$1/gitweb/,L,PT]

So now all users with a gitweb folder in their home will be able to
browse all git repos in it through http://<host>/~<user>.

You will find a patch enclosed which try to describe best what I did
and why in the gitweb/README.

Regards.

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diff --git a/gitweb/README b/gitweb/README
index 66c6a93..6f733e6 100644
--- a/gitweb/README
+++ b/gitweb/README
@@ -306,8 +306,10 @@ repositories, you can configure apache like this:
     DocumentRoot /pub/git
     SetEnv	GITWEB_CONFIG	/etc/gitweb.conf
     RewriteEngine on
+
     # make the front page an internal rewrite to the gitweb script
     RewriteRule ^/$  /cgi-bin/gitweb.cgi
+
     # make access for "dumb clients" work
     RewriteRule ^/(.*\.git/(?!/?(HEAD|info|objects|refs)).*)?$ /cgi-bin/gitweb.cgi%{REQUEST_URI}  [L,PT]
 </VirtualHost>
@@ -332,6 +334,20 @@ something like the following in your gitweb.conf (or gitweb_config.perl) file:
   $my_uri = "/";
   $home_link = "/";
 
+If you want gitweb to act a bit like UserDir mod in apache, knowing, http://<host>/~<user> 
+will list all git repos of <user> located in a special directory in his home (/home/<user>/gitweb/), 
+do the following steps :
+
+Add this to the VirtualHost section of your apache configuration file :
+
+   RewriteRule ^/~([^\/]+)/?$  /cgi-bin/gitweb.cgi [QSA,E=GITWEB_PROJECTROOT:/home/$1/gitweb/,L,PT]
+
+Modify your gitweb.conf file, located at /etc/gitweb.conf in this example, with :
+
+   $projectroot = $ENV{'GITWEB_PROJECTROOT'} || "/path/to/the/defaul/project/root"; 
+
+Thus, each user with a gitweb folder in his home will be able to browse it with gitweb.
+/!\ The gitweb folder and user's home folder must be readable by the webserver user.
 
 PATH_INFO usage
 -----------------------