Add search field to commits page

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

app/assets/stylesheets/pages/commits.scss

@@ -28,10 +28,6 @@
   }
 }
 
-.commits-feed-holder {
-  float: right;
-}
-
 li.commit {
   list-style: none;
 
@@ -126,14 +122,14 @@ li.commit {
 .divergence-graph {
   padding: 12px 12px 0 0;
   float: right;
-  
+
   .graph-side {
     position: relative;
     width: 80px;
     height: 22px;
     padding: 5px 0 13px;
     float: left;
-    
+
     .bar {
       position: absolute;
       height: 4px;
@@ -149,7 +145,7 @@ li.commit {
       left: 0;
       border-radius: 0 3px 3px 0;
     }
-    
+
     .count {
       padding-top: 6px;
       padding-bottom: 0px;

app/views/projects/commits/show.html.haml

@@ -10,15 +10,21 @@
   .tree-ref-holder
     = render 'shared/ref_switcher', destination: 'commits'
 
-  .commits-feed-holder.hidden-xs.hidden-sm
+  .pull-right.hidden-xs.hidden-sm
     - if create_mr_button?(@repository.root_ref, @ref)
-      = link_to create_mr_path(@repository.root_ref, @ref), class: 'btn btn-success' do
-        = icon('plus')
-        Create Merge Request
+      .pull-left.prepend-left-10
+        = link_to create_mr_path(@repository.root_ref, @ref), class: 'btn btn-success' do
+          = icon('plus')
+          Create Merge Request
+
+    .pull-left.prepend-left-10
+      = form_tag(namespace_project_commits_path(@project.namespace, @project, @ref), method: :get, class: 'pull-left commits-search-form') do
+        = search_field_tag :search, params[:search], { placeholder: 'Filter by commit message', class: 'form-control search-text-input', spellcheck: false }
 
     - if current_user && current_user.private_token
-      = link_to namespace_project_commits_path(@project.namespace, @project, @ref, {format: :atom, private_token: current_user.private_token}), title: "Commits Feed", class: 'prepend-left-10 btn' do
-        = icon("rss")
+      .pull-left.prepend-left-10
+        = link_to namespace_project_commits_path(@project.namespace, @project, @ref, {format: :atom, private_token: current_user.private_token}), title: "Commits Feed", class: 'btn' do
+          = icon("rss")
 
 
   %ul.breadcrumb.repo-breadcrumb