Fixed 500 error on branch and tag creation via UI

Also fixes issue with branch/tag removing via UI
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/models/event.rb

@@ -56,11 +56,13 @@ class Event < ActiveRecord::Base
     end
 
     def create_ref_event(project, user, ref, action = 'add', prefix = 'refs/heads')
+      commit = project.repository.commit(ref.target)
+
       if action.to_s == 'add'
         before = '00000000'
-        after = ref.commit.id
+        after = commit.id
       else
-        before = ref.commit.id
+        before = commit.id
         after = '00000000'
       end
 

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

@@ -4,7 +4,7 @@
     = render "filter"
   .col-md-9
     - unless @branches.empty?
-      %ul.bordered-list.top-list
+      %ul.bordered-list.top-list.all-branches
         - @branches.each do |branch|
           = render "projects/branches/branch", branch: branch
       = paginate @branches, theme: 'gitlab'

features/project/commits/branches.feature

@@ -16,11 +16,7 @@ Feature: Project Browse branches
     Given I click link "Protected"
     Then I should see "Shop" protected branches list
 
-  # @wip
-  # Scenario: I can download project by branch
-
-  # @wip
-  # Scenario: I can view protected branches
-
-  # @wip
-  # Scenario: I can manage protected branches
+  Scenario: I create a branch
+    Given I click new branch link
+    When I submit new branch form
+    Then I should see new branch created

features/steps/project/project_browse_branches.rb

@@ -3,33 +3,49 @@ class ProjectBrowseBranches < Spinach::FeatureSteps
   include SharedProject
   include SharedPaths
 
-  Then 'I should see "Shop" recent branches list' do
+  step 'I should see "Shop" recent branches list' do
     page.should have_content "Branches"
     page.should have_content "master"
   end
 
-  Given 'I click link "All"' do
+  step 'I click link "All"' do
     click_link "All"
   end
 
-  Then 'I should see "Shop" all branches list' do
+  step 'I should see "Shop" all branches list' do
     page.should have_content "Branches"
     page.should have_content "master"
   end
 
-  Given 'I click link "Protected"' do
+  step 'I click link "Protected"' do
     click_link "Protected"
   end
 
-  Then 'I should see "Shop" protected branches list' do
+  step 'I should see "Shop" protected branches list' do
     within ".protected-branches-list" do
       page.should have_content "stable"
       page.should_not have_content "master"
     end
   end
 
-  And 'project "Shop" has protected branches' do
+  step 'project "Shop" has protected branches' do
     project = Project.find_by(name: "Shop")
     project.protected_branches.create(name: "stable")
   end
+
+  step 'I click new branch link' do
+    click_link "New branch"
+  end
+
+  step 'I submit new branch form' do
+    fill_in 'branch_name', with: 'deploy_keys'
+    fill_in 'ref', with: 'master'
+    click_button 'Create branch'
+  end
+
+  step 'I should see new branch created' do
+    within '.all-branches' do
+      page.should have_content 'deploy_keys'
+    end
+  end
 end