Add release description to new tag form

app/assets/javascripts/dispatcher.js.coffee

@@ -39,6 +39,9 @@ class Dispatcher
         shortcut_handler = new ShortcutsNavigation()
         new DropzoneInput($('.merge-request-form'))
         new IssuableForm($('.merge-request-form'))
+      when 'projects:tags:new'
+        new ZenMode()
+        new DropzoneInput($('.tag-form'))
       when 'projects:releases:edit'
         new ZenMode()
         new DropzoneInput($('.release-form'))

app/controllers/projects/tags_controller.rb

@@ -23,6 +23,13 @@ class Projects::TagsController < Projects::ApplicationController
 
     if result[:status] == :success
       @tag = result[:tag]
+
+      if params[:release_description]
+        release = @project.releases.find_or_initialize_by(tag: @tag.name)
+        release.update_attributes(description: params[:release_description])
+        release.save
+      end
+
       redirect_to namespace_project_tags_path(@project.namespace, @project)
     else
       @error = result[:message]

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

@@ -8,7 +8,7 @@
 %h3.page-title
   %i.fa.fa-code-fork
   New tag
-= form_tag namespace_project_tags_path, method: :post, id: "new-tag-form", class: "form-horizontal" do
+= form_tag namespace_project_tags_path, method: :post, id: "new-tag-form", class: "form-horizontal tag-form" do
   .form-group
     = label_tag :tag_name, 'Name for new tag', class: 'control-label'
     .col-sm-10
@@ -23,6 +23,23 @@
     .col-sm-10
       = text_field_tag :message, nil, placeholder: 'Enter message.', required: false, tabindex: 3, class: 'form-control'
       .light (Optional) Entering a message will create an annotated tag.
+  %hr
+  .form-group
+    = label_tag :release_description, 'Release description', class: 'control-label'
+    .col-sm-10
+      = render layout: 'projects/md_preview', locals: { preview_class: "md-preview", referenced_users: true } do
+        .zennable
+          %input#zen-toggle-comment.zen-toggle-comment(tabindex="-1" type="checkbox")
+          .zen-backdrop
+            = text_area_tag :release_description, nil, class: 'js-gfm-input markdown-area description js-quick-submit form-control', placeholder: ''
+            %a.zen-enter-link(tabindex="-1" href="#")
+              = icon('expand')
+              Edit in fullscreen
+            %a.zen-leave-link(href="#")
+              = icon('compress')
+
+        = render 'projects/notes/hints'
+        .help-block You can add release description to your tag. It will be stored in GitLab database and displayed on tags page
   .form-actions
     = button_tag 'Create tag', class: 'btn btn-create', tabindex: 3
     = link_to 'Cancel', namespace_project_tags_path(@project.namespace, @project), class: 'btn btn-cancel'