Merge branch 'zj/gitlab-ce-copying-file-seen-as-licence'

CHANGELOG

@@ -42,6 +42,7 @@ v 8.3.0 (unreleased)
   - Fix sidebar tooltips when collapsed
   - Prevent possible XSS attack with award-emoji
   - Upgraded Sidekiq to 4.x
+  - Accept COPYING,COPYING.lesser, and licence as license file (Zeger-Jan van de Weg)
 
 v 8.2.3
   - Fix application settings cache not expiring after changes (Stan Hu)

app/models/repository.rb

@@ -271,9 +271,25 @@ class Repository
 
   def license
     cache.fetch(:license) do
-      tree(:head).blobs.find do |file|
-        file.name =~ /\Alicense/i
+      licenses =  tree(:head).blobs.find_all do |file|
+                    file.name =~ /\A(copying|license|licence)/i
+                  end
+
+      preferences = [
+        /\Alicen[sc]e\z/i,        # LICENSE, LICENCE
+        /\Alicen[sc]e\./i,        # LICENSE.md, LICENSE.txt
+        /\Acopying\z/i,           # COPYING
+        /\Acopying\.(?!lesser)/i, # COPYING.txt
+        /Acopying.lesser/i        # COPYING.LESSER
+      ]
+
+      license = nil
+      preferences.each do |r|
+        license = licenses.find { |l| l.name =~ r }
+        break if license
       end
+
+      license
     end
   end
 

spec/models/repository_spec.rb

@@ -103,6 +103,26 @@ describe Repository, models: true do
 
   end
 
+  describe "#license" do
+    before do
+      repository.send(:cache).expire(:license)
+      TestBlob = Struct.new(:name)
+    end
+
+    it 'test selection preference' do
+      files = [TestBlob.new('file'), TestBlob.new('license'), TestBlob.new('copying')]
+      expect(repository.tree).to receive(:blobs).and_return(files)
+
+      expect(repository.license.name).to eq('license')
+    end
+
+    it 'also accepts licence instead of license' do
+      expect(repository.tree).to receive(:blobs).and_return([TestBlob.new('licence')])
+
+      expect(repository.license.name).to eq('licence')
+    end
+  end
+
   describe :add_branch do
     context 'when pre hooks were successful' do
       it 'should run without errors' do
@@ -199,5 +219,4 @@ describe Repository, models: true do
       end
     end
   end
-
 end