Improve the tooltip text when the lock author is anonymous

app/helpers/shipit/stacks_helper.rb

@@ -78,5 +78,13 @@ def pull_request_link(pull_request_or_commit)
     def render_raw_commit_id_link(commit)
       link_to(commit.short_sha, github_commit_url(commit), target: '_blank', class: 'number')
     end
+
+    def unlock_commit_tooltip(commit)
+      if commit.lock_author.present?
+        t('commit.unlock_with_author', author: commit.lock_author.name)
+      else
+        t('commit.unlock')
+      end
+    end
   end
 end

app/views/shipit/commits/_commit.html.erb

@@ -27,7 +27,7 @@
       <%= link_to stack_commit_path(commit.stack, commit), class: 'action-lock-commit', data: {tooltip: t('commit.lock')} do %>
         <i class="icon icon--lock"></i>
       <% end %>
-      <%= link_to stack_commit_path(commit.stack, commit), class: 'action-unlock-commit', data: {tooltip: t('commit.unlock', author: commit.lock_author.name), confirm: t('commit.confirm_unlock')} do %>
+      <%= link_to stack_commit_path(commit.stack, commit), class: 'action-unlock-commit', data: {tooltip: unlock_commit_tooltip(commit), confirm: t('commit.confirm_unlock')} do %>
         <i class="icon icon--lock"></i>
       <% end %>
     </div>

config/locales/en.yml

@@ -22,7 +22,8 @@
 en:
   commit:
     lock: This commit is safe to deploy. Click to mark it as unsafe.
-    unlock: "%{author} marked this commit as unsafe to deploy. Click to mark it as safe."
+    unlock: This commit was marked as unsafe to deploy. Click to mark it as safe.
+    unlock_with_author: "%{author} marked this commit as unsafe to deploy. Click to mark it as safe."
     confirm_unlock: Mark this commit as safe to deploy?
   release:
     validate: Mark the release as healthy