New Feature: Git Blame for file

app/assets/stylesheets/gitlab_bootstrap.scss

@@ -268,6 +268,13 @@ img.avatar {
   -webkit-border-radius: 4px;
   -moz-border-radius: 4px;
   border-radius: 4px;
+
+  &.s16 { 
+    width:16px;
+  }
+  &.s24 { 
+    width:24px;
+  }
 }
 
 img.lil_av { 

app/assets/stylesheets/tree.scss

@@ -53,6 +53,11 @@
     padding: 9px 10px;
     height:18px;
 
+    .options { 
+      float:right;
+      margin-top: -5px;
+    }
+
     .file_name { 
       color:$style_color;
       font-size:14px;
@@ -220,3 +225,27 @@
     margin:0;
   }
 }
+
+.blame_file { 
+  .view_file_content {
+    tr { 
+      border-bottom: 1px solid #eee;
+    }
+    td { 
+      padding:5px;
+    }
+    .author, 
+    .commit { 
+      background:#f5f5f5;
+      vertical-align:top;
+    }
+    .lines { 
+      pre { 
+        padding:0;
+        margin:0;
+        background:none;
+        border:none;
+      }
+    }
+  }
+}

app/controllers/refs_controller.rb

@@ -8,7 +8,7 @@ class RefsController < ApplicationController
   before_filter :require_non_empty_project
 
   before_filter :ref
-  before_filter :define_tree_vars, :only => [:tree, :blob]
+  before_filter :define_tree_vars, :only => [:tree, :blob, :blame]
   before_filter :render_full_content
 
   layout "project"
@@ -62,6 +62,10 @@ class RefsController < ApplicationController
     return render_404
   end
 
+  def blame
+    @blame = Grit::Blob.blame(@repo, @commit.id, params[:path])
+  end
+
   protected
 
   def define_tree_vars

app/views/refs/_head.html.haml

+%ul.nav.nav-tabs
+  %li
+    = form_tag switch_project_refs_path(@project), :method => :get, :class => "project-refs-form", :remote => true do
+      = select_tag "ref", grouped_options_refs, :onchange => "$(this.form).trigger('submit');", :class => "project-refs-select"
+      = hidden_field_tag :destination, "tree"
+      = hidden_field_tag :path, params[:path]
+  %li{:class => "#{'active' if (controller.controller_name == "refs") }"}
+    = link_to tree_project_ref_path(@project, @ref) do 
+      Code
+

app/views/refs/_tree_file.html.haml

-:css
 .view_file
   .view_file_header
     %i.icon-file
     %span.file_name
       = name
       %small #{file.mode}
-    %span.right
-      = link_to "raw", blob_project_ref_path(@project, @ref, :path => params[:path]), :class => "right", :target => "_blank"
-      = link_to "history", project_commits_path(@project, :path => params[:path], :ref => @ref), :class => "right", :style => "margin-right:10px;"
+    %span.options
+      = link_to "raw", blob_project_ref_path(@project, @ref, :path => params[:path]), :class => "btn very_small", :target => "_blank"
+      = link_to "history", project_commits_path(@project, :path => params[:path], :ref => @ref), :class => "btn very_small"
+      = link_to "blame", blame_file_project_ref_path(@project, @ref, :path => params[:path]), :class => "btn very_small"
   - if file.text?
     - if name =~ /\.(md|markdown)$/i
       #tree-readme-holder

app/views/refs/blame.html.haml

+= render "head"
+
+#tree-holder
+  %ul.breadcrumb
+    %li
+      %span.arrow
+      = link_to tree_project_ref_path(@project, @ref, :path => nil) do
+        = @project.name
+    - @tree.breadcrumbs(6) do |link|
+      \/
+      %li= link
+  .clear
+
+  .view_file.blame_file
+    .view_file_header
+      %i.icon-file
+      %span.file_name
+        = @tree.name
+        %small blame
+      %span.options
+        = link_to "raw", blob_project_ref_path(@project, @ref, :path => params[:path]), :class => "btn very_small", :target => "_blank"
+        = link_to "history", project_commits_path(@project, :path => params[:path], :ref => @ref), :class => "btn very_small"
+        = link_to "source", tree_file_project_ref_path(@project, @ref, :path => params[:path]), :class => "btn very_small"
+    .view_file_content
+      %table
+        - @blame.each do |commit, lines|
+          - commit = Commit.new(commit)
+          %tr
+            %td.author
+              = image_tag gravatar_icon(commit.author_email, 16)
+              = commit.author_name
+            %td.commit
+               
+              = link_to project_commit_path(@project, :id => commit.id) do
+                %code= commit.id.to_s[0..10]
+                %span.row_title= truncate(commit.safe_message, :length => 30) rescue "--broken encoding"
+            %td.lines
+              = preserve do
+                %pre
+                  - lines.each do |line|
+                    = line
+
+:javascript
+  $(function(){
+    $('.project-refs-select').chosen();
+  });

app/views/refs/tree.html.haml

-%ul.nav.nav-tabs
-  %li
-    = form_tag switch_project_refs_path(@project), :method => :get, :class => "project-refs-form", :remote => true do
-      = select_tag "ref", grouped_options_refs, :onchange => "$(this.form).trigger('submit');", :class => "project-refs-select"
-      = hidden_field_tag :destination, "tree"
-      = hidden_field_tag :path, params[:path]
-  %li{:class => "#{'active' if (controller.controller_name == "refs") }"}
-    = link_to tree_project_ref_path(@project, @ref) do 
-      Code
-
+= render "head"
 #tree-holder= render :partial => "tree", :locals => {:repo => @repo, :commit => @commit, :tree => @tree}
 
 :javascript

config/routes.rb

@@ -94,6 +94,14 @@ Gitlab::Application.routes.draw do
             :id => /[a-zA-Z.0-9\/_\-]+/,
             :path => /.*/
           }
+
+        # blame
+        get "blame/:path" => "refs#blame",
+          :as => :blame_file,
+          :constraints => {
+            :id => /[a-zA-Z.0-9\/_\-]+/,
+            :path => /.*/
+          }
       end
     end
 

spec/requests/file_blame_spec.rb

+require 'spec_helper'
+
+describe "Blame file" do
+  before { login_as :user }
+
+  describe "GET /:projectname/:commit/blob/Gemfile" do
+    before do
+      @project = Factory :project
+      @project.add_access(@user, :read)
+
+      visit tree_project_ref_path(@project, @project.root_ref, :path => "Gemfile")
+      click_link "blame"
+    end
+
+    it "should be correct path" do
+      current_path.should == blame_file_project_ref_path(@project, @project.root_ref, :path => "Gemfile")
+    end
+
+    it "should contain file view" do
+      page.should have_content("rubygems.org")
+      page.should have_content("Dmitriy Zaporozhets")
+      page.should have_content("bc3735004cb Moving to rails 3.2")
+    end
+  end
+end