Feature: add git tag via ui

app/controllers/projects/tags_controller.rb

@@ -12,7 +12,9 @@ class Projects::TagsController < Projects::ApplicationController
   end
   def create
-    # TODO: implement
+    @project.repository.add_tag(params[:tag_name], params[:ref])
+
+    redirect_to project_tags_path(@project)
   end
   def destroy

app/models/repository.rb

@@ -41,6 +41,12 @@ class Repository
     gitlab_shell.add_branch(path_with_namespace, branch_name, ref)
   end
+  def add_tag(tag_name, ref)
+    Rails.cache.delete(cache_key(:tag_names))
+
+    gitlab_shell.add_tag(path_with_namespace, tag_name, ref)
+  end
+
   def rm_branch(branch_name)
     Rails.cache.delete(cache_key(:branch_names))

app/views/layouts/nav/_project.html.haml

@@ -4,7 +4,7 @@
       %i.icon-home
   - if project_nav_tab? :files
-    = nav_link(controller: %w(tree blob blame)) do
+    = nav_link(controller: %w(tree blob blame edit_tree)) do
       = link_to 'Files', project_tree_path(@project, @ref || @repository.root_ref)
   - if project_nav_tab? :commits

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

 = render "projects/commits/head"
+
+- if can? current_user, :push_code, @project
+  .pull-right
+    = link_to new_project_tag_path(@project), class: 'btn btn-create' do
+      %i.icon-add-sign
+      New tag
+
+%p
+  Tags give ability to mark specific points in history as being important
+%hr
+
 - unless @tags.empty?
   %ul.bordered-list
     - @tags.each do |tag|
@@ -26,7 +37,7 @@
                 %i.icon-download-alt
                 Download
             - if can?(current_user, :admin_project, @project)
-              = link_to project_tag_path(@project, tag.name), class: 'btn grouped btn-small remove-row', method: :delete, confirm: 'Removed tag cannot be restored. Are you sure?', remote: true do
+              = link_to project_tag_path(@project, tag.name), class: 'btn btn-small remove-row', method: :delete, confirm: 'Removed tag cannot be restored. Are you sure?', remote: true do
                 %i.icon-trash
   = paginate @tags, theme: 'gitlab'

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

+%h3.page-title
+  %i.icon-code-fork
+  New tag
+= form_tag project_tags_path, method: :post do
+  .control-group
+    = label_tag :tag_name, 'Name for new tag', class: 'control-label'
+    .controls
+      = text_field_tag :tag_name, nil, placeholder: 'v3.0.1', required: true, tabindex: 1
+  .control-group
+    = label_tag :ref, 'Create from', class: 'control-label'
+    .controls
+      = text_field_tag :ref, nil, placeholder: 'master', required: true, tabindex: 2
+      .light Branch name or commit SHA
+  .form-actions
+    = submit_tag 'Create tag', class: 'btn btn-create', tabindex: 3
+    = link_to 'Cancel', project_tags_path(@project), class: 'btn btn-cancel'
+
+:javascript
+  var availableTags = #{@project.repository.ref_names.to_json};
+
+  $("#ref").autocomplete({
+    source: availableTags,
+    minLength: 1
+  });