Add basic framework for web based repository access

/p/$project/source/repo/ is assigned to a method that
takes care of providing repository access.
For now, this results in an exception on all SCMs.

src/IDF/Scm.php

@@ -497,5 +497,10 @@ class IDF_Scm
     {
         return 0;
     }
+
+    public function repository($request, $match)
+    {
+        throw new Exception('This repository does not support web based repository access');
+    }
 }
 

src/IDF/Views/Source.php

@@ -132,6 +132,12 @@ class IDF_Views_Source
                                                $request);
     }
 
+    public function repository($request, $match)
+    {
+        $scm = IDF_Scm::get($request->project);
+        return $scm->repository($request, $match);
+    }
+
     public $treeBase_precond = array('IDF_Precondition::accessSource',
                                      'IDF_Views_Source_Precondition::scmAvailable',
                                      'IDF_Views_Source_Precondition::revisionValid');

src/IDF/conf/urls.php

@@ -245,6 +245,11 @@ $ctl[] = array('regex' => '#^/p/([\-\w]+)/source/changesrev/$#',
                'model' => 'IDF_Views_Source_Svn',
                'method' => 'changelogRev');
 
+$ctl[] = array('regex' => '#^/p/([\-\w]+)/source/repo/(.*)$#',
+               'base' => $base,
+               'model' => 'IDF_Views_Source',
+               'method' => 'repository');
+
 // ---------- WIKI -----------------------------------------
 
 $ctl[] = array('regex' => '#^/p/([\-\w]+)/doc/$#',