COPYING is now also accepted as licence file

Fixes #2526

CHANGELOG

@@ -90,6 +90,8 @@ v 8.0.1
 v 8.0.0
   - Fix Markdown links not showing up in dashboard activity feed (Stan Hu)
   - Remove milestones from merge requests when milestones are deleted (Stan Hu)
+v 8.0.0 (unreleased)
+  - Accept COPYING as licence file (Zeger-Jan van de Weg)
   - Fix HTML link that was improperly escaped in new user e-mail (Stan Hu)
   - Fix broken sort in merge request API (Stan Hu)
   - Bump rouge to 1.10.1 to remove warning noise and fix other syntax highlighting bugs (Stan Hu)

app/models/repository.rb

@@ -210,9 +210,9 @@ class Repository
 
   def license
     cache.fetch(:license) do
-      tree(:head).blobs.find do |file|
-        file.name =~ /\Alicense/i
-      end
+      tree(:head).blobs.find_all do |file|
+        file.name =~ /\A(copying|license)/i
+      end.last # Prefer `LICENSE` as filename over `COPYING`
     end
   end