render tags with empty digests in different rows

Signed-off-by: Miquel Sabaté <msabate@suse.com>

app/views/repositories/show.html.slim

@@ -28,13 +28,22 @@
             th Pushed at
         tbody
           - @tags.each do |tag|
-            tr
-              td
-                - tag.each do |t|
-                  .label.label-success
-                    = t.name
-              td= tag.first.author.username
-              td= tag.first.created_at
+            - if tag.first.digest.empty?
+              - tag.each do |t|
+                tr
+                  td
+                    .label.label-success
+                      = t.name
+                  td= tag.first.author.username
+                  td= tag.first.created_at
+            - else
+              tr
+                td
+                  - tag.each do |t|
+                    .label.label-success
+                      = t.name
+                td= tag.first.author.username
+                td= tag.first.created_at
 
 #write_comment_form.collapse
   = form_for [@repository, @repository.comments.build], remote: true, html: {id: 'new-comment-form', class: 'form-horizontal', role: 'form'} do |f|

spec/features/repositories_spec.rb

@@ -39,5 +39,21 @@
       expect(find("#star-counter")).to have_content("0")
       expect(repo.stars.count).to be 0
     end
+
+    scenario "Groupped tags are handled properly", js: true do
+      ["", "", "same", "same", "another", "yet-another"].each_with_index do |digest, idx|
+        create(:tag, name: "tag#{idx}", author: user, repository: repository, digest: digest)
+      end
+
+      expect = [["tag0"], ["tag1"], ["tag2", "tag3"], ["tag4"], ["tag5"]]
+
+      visit repository_path(repository)
+      page.all(".tags tr").each_with_index do |row, idx|
+        # Skip the header.
+        next if idx == 0
+
+        expect[idx - 1].each { |tag| expect(row.text.include?(tag)).to be_truthy }
+      end
+    end
   end
 end