Add edit/update tag actions for future release notes

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/controllers/projects/tags_controller.rb

@@ -10,6 +10,14 @@ class Projects::TagsController < Projects::ApplicationController
     @tags = Kaminari.paginate_array(sorted).page(params[:page]).per(PER_PAGE)
   end
 
+  def edit
+    # TODO: implement
+  end
+
+  def update
+    # TODO: implement
+  end
+
   def create
     result = CreateTagService.new(@project, current_user).
       execute(params[:tag_name], params[:ref], params[:message])

app/views/projects/tags/_tag.html.haml

@@ -9,6 +9,8 @@
        
       = strip_gpg_signature(tag.message)
     .controls
+      = link_to edit_namespace_project_tag_path(@project.namespace, @project, tag.name), class: 'btn-grouped btn' do
+        = icon("pencil")
       - if can? current_user, :download_code, @project
         = render 'projects/repositories/download_archive', ref: tag.name, btn_class: 'btn-grouped btn-group-xs'
       - if can?(current_user, :admin_project, @project)

config/routes.rb

@@ -569,7 +569,7 @@ Gitlab::Application.routes.draw do
         end
 
         resources :branches, only: [:index, :new, :create, :destroy], constraints: { id: Gitlab::Regex.git_reference_regex }
-        resources :tags, only: [:index, :new, :create, :destroy], constraints: { id: Gitlab::Regex.git_reference_regex }
+        resources :tags, constraints: { id: Gitlab::Regex.git_reference_regex }
         resources :protected_branches, only: [:index, :create, :update, :destroy], constraints: { id: Gitlab::Regex.git_reference_regex }
         resource :variables, only: [:show, :update]
         resources :triggers, only: [:index, :create, :destroy]