git/server: Set projectroot in environment

roles/git/server/files/git.conf

@@ -1,6 +1,5 @@
 
-SetEnv GIT_PROJECT_ROOT /srv/git
-SetEnv GIT_HTTP_EXPORT_ALL
+SetEnv GITWEB_PROJECTROOT /srv/git
 
 Alias /static/ /var/www/git/static/
 
@@ -19,6 +18,5 @@ ScriptAliasMatch \
 
 ScriptAlias /gitweb.cgi /var/www/git/gitweb.cgi
 <Location />
-  SetEnv GITWEB_CONFIG /etc/gitweb.conf
   DirectoryIndex gitweb.cgi
 </Location>

roles/git/server/files/gitweb.conf

@@ -1,6 +1,6 @@
 
-# location of git repos
-our $projectroot = "/srv/git";
+# read git repo root from env or use default
+our $projectroot = $ENV{'GITWEB_PROJECTROOT'};
 
 # site name
 our $site_name = "foo.sh - Public GIT repositories";