git.rb in itamae-1.0.0.beta17

- old
+ new

@@ -15,16 +15,21 @@
 
         if run_specinfra(:check_file_is_directory, destination)
           run_command_in_repo(['git', 'fetch', 'origin'])
         else
           run_command(['git', 'clone', repository, destination])
+          updated!
         end
 
         target_revision =
-          revision ||
+          get_revision(revision) ||
           run_command_in_repo("git ls-remote origin HEAD | cut -f1").stdout.strip
 
+        unless target_revision == get_revision('HEAD')
+          updated!
+        end
+
         deploy_old_created = false
         if current_branch == DEPLOY_BRANCH
           run_command_in_repo("git branch -m deploy-old")
           deploy_old_created = true
         end
@@ -47,9 +52,13 @@
         run_command(*args, cwd: destination)
       end
 
       def current_branch
         run_command_in_repo("git rev-parse --abbrev-ref HEAD").stdout.strip
+      end
+
+      def get_revision(branch)
+        run_command_in_repo("git rev-list #{shell_escape(branch)} | head -n1").stdout.strip
       end
     end
   end
 end
 