The /var/trac directory needs to be accessible by the webserver user

svn path=/nixos/trunk/; revision=16962

modules/services/web-servers/apache-httpd/trac.nix

@@ -18,6 +18,29 @@ in
       description = "URL path in which Trac projects can be accessed";
       default = "/projects";
     };
+    
+    projects = mkOption {
+      description = "List of projects that should be provided by Trac. If they are not defined yet empty projects are created.";
+      default = [];
+      example = [ { identifier = "myproject";
+                    name = "My Project";
+                    databaseURL="postgres://root:password@/tracdb";
+                    subversionRepository="/data/subversion/myproject"; } ];
+    };
+    
+    user = mkOption {
+      default = "wwwrun";
+      description = "
+        User account under which Trac runs.
+      ";
+    };
+
+    group = mkOption {
+      default = "wwwrun";
+      description = "
+        Group under which Trac runs.
+      ";
+    };
   };
 
   extraModules = [
@@ -45,4 +68,18 @@ in
 	"${subversion}/lib/python2.5/site-packages";
     }
   ];
+  
+  startupScript = pkgs.writeScript "activateTrac" ''
+    mkdir -p /var/trac
+    chown ${config.user}:${config.group} /var/trac
+    
+    ${pkgs.lib.concatMapStrings (project:
+      ''
+        if [ ! -d /var/trac/${project.identifier} ]
+	then
+	    export PYTHONPATH=${pkgs.pythonPackages.psycopg2}/lib/python2.5/site-packages
+	    ${pkgs.pythonPackages.trac}/bin/trac-admin /var/trac/${project.identifier} initenv "${project.name}" "${project.databaseURL}" svn "${project.subversionRepository}"
+	fi
+      '' ) (config.projects)}
+  '';
 }