[sourceforge] support folder hierarchy (#4555)

closes #4499

services/sourceforge/sourceforge.service.js

@@ -39,7 +39,7 @@ module.exports = class Sourceforge extends BaseJsonService {
   static get route() {
     return {
       base: 'sourceforge',
-      pattern: ':interval(dt|dm|dw|dd)/:project/:folder?',
+      pattern: ':interval(dt|dm|dw|dd)/:project/:folder*',
     }
   }
 

services/sourceforge/sourceforge.tester.js

@@ -10,6 +10,13 @@ t.create('total downloads')
     message: isMetric,
   })
 
+t.create('total downloads (with subdirs)')
+  .get('/dt/smartmontools/smartmontools/7.1.json')
+  .expectBadge({
+    label: 'downloads',
+    message: isMetric,
+  })
+
 t.create('monthly downloads')
   .get('/dm/sevenzip.json')
   .expectBadge({