Merge branch 'fix-cache-key-expiration-for-commits' into 'master'

CHANGELOG

 Please view this file on the master branch, on stable branches it's out of date.
 
 v 8.1.0 (unreleased)
+  - Fix bug where transferring a project would result in stale commit links (Stan Hu)
   - Include full path of source and target branch names in New Merge Request page (Stan Hu)
   - Fix Message-ID header to be RFC 2111-compliant to prevent e-mails being dropped (Stan Hu)
   - Add user preference to view activities as default dashboard (Stan Hu)

app/helpers/projects_helper.rb

@@ -296,7 +296,7 @@ module ProjectsHelper
 
   def readme_cache_key
     sha = @project.commit.try(:sha) || 'nil'
-    [@project.id, sha, "readme"].join('-')
+    [@project.path_with_namespace, sha, "readme"].join('-')
   end
 
   def round_commit_count(project)

app/views/projects/commits/_commit.html.haml

@@ -5,7 +5,7 @@
   - note_count = notes.user.count
 
 - ci_commit = project.ci_commit(commit.sha)
-- cache_key = [project.id, commit.id, note_count]
+- cache_key = [project.path_with_namespace, commit.id, note_count]
 - cache_key.push(ci_commit.status) if ci_commit
 
 = cache(cache_key) do

spec/helpers/projects_helper_spec.rb

@@ -61,13 +61,13 @@ describe ProjectsHelper do
     end
 
     it "returns a valid cach key" do
-      expect(helper.send(:readme_cache_key)).to eq("#{project.id}-#{project.commit.id}-readme")
+      expect(helper.send(:readme_cache_key)).to eq("#{project.path_with_namespace}-#{project.commit.id}-readme")
     end
 
     it "returns a valid cache key if HEAD does not exist" do
       allow(project).to receive(:commit) { nil }
 
-      expect(helper.send(:readme_cache_key)).to eq("#{project.id}-nil-readme")
+      expect(helper.send(:readme_cache_key)).to eq("#{project.path_with_namespace}-nil-readme")
     end
   end
 end