Merge branch 'grit_blame' into 'master'

Fast blame

Improve performance for file blame page. Also bring some small UI improvements

See merge request !1129

Gemfile

@@ -38,7 +38,7 @@ gem "browser", '~> 0.8.0'
 
 # Extracting information from a git repository
 # Provide access to Gitlab::Git library
-gem "gitlab_git", '~> 7.2.11'
+gem "gitlab_git", '~> 7.2.12'
 
 # Ruby/Rack Git Smart-HTTP Server Handler
 # GitLab fork with a lot of changes (improved thread-safety, better memory usage etc)

Gemfile.lock

@@ -271,7 +271,7 @@ GEM
       mime-types (~> 1.19)
     gitlab_emoji (0.1.0)
       gemojione (~> 2.0)
-    gitlab_git (7.2.11)
+    gitlab_git (7.2.12)
       activesupport (~> 4.0)
       charlock_holmes (~> 0.6)
       gitlab-linguist (~> 3.0)
@@ -783,7 +783,7 @@ DEPENDENCIES
   gitlab-grack (~> 2.0.2)
   gitlab-linguist (~> 3.0.1)
   gitlab_emoji (~> 0.1)
-  gitlab_git (~> 7.2.11)
+  gitlab_git (~> 7.2.12)
   gitlab_meta (= 7.0)
   gitlab_omniauth-ldap (= 1.2.1)
   gollum-lib (~> 4.0.2)

app/assets/stylesheets/generic/files.scss

@@ -90,12 +90,7 @@
           border-right: none;
         }
         background: #fff;
-        padding: 5px;
-      }
-      .author,
-      .blame_commit {
-        background: $background-color;
-        vertical-align: top;
+        padding: 8px;
       }
       .lines {
         pre {

app/assets/stylesheets/pages/tree.scss

@@ -89,6 +89,10 @@
     td.blame-commit {
       background: #f9f9f9;
       min-width: 350px;
+
+      .commit-author-link {
+        color: #888;
+      }
     }
     td.blame-numbers {
       pre {

app/controllers/projects/blame_controller.rb

@@ -7,7 +7,7 @@ class Projects::BlameController < Projects::ApplicationController
   before_action :authorize_download_code!
 
   def show
+    @blob = @repository.blob_at(@commit.id, @path)
     @blame = Gitlab::Git::Blame.new(@repository, @commit.id, @path)
-    @blob = @blame.blob
   end
 end

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

@@ -12,25 +12,31 @@
         = render "projects/blob/actions"
     .file-content.blame.highlight
       %table
-        - @blame.each do |commit, lines, since|
-          - commit = Commit.new(commit, @project)
+        - current_line = 1
+        - @blame.each do |raw_commit, line|
           %tr
             %td.blame-commit
-              %span.commit
-                = link_to commit.short_id, namespace_project_commit_path(@project.namespace, @project, commit), class: "commit_short_id"
-                 
-                = commit_author_link(commit, avatar: true, size: 16)
+              .commit
+                - unless @prev_commit && @prev_commit.sha == raw_commit.sha
+                  - commit = Commit.new(raw_commit, @project)
+                  .commit-row-title
+                    %strong
+                      = link_to_gfm truncate(commit.title, length: 35), namespace_project_commit_path(@project.namespace, @project, commit.id), class: "cdark"
+                    .pull-right
+                      = link_to commit.short_id, namespace_project_commit_path(@project.namespace, @project, commit), class: "monospace"
                      
-                = link_to_gfm truncate(commit.title, length: 20), namespace_project_commit_path(@project.namespace, @project, commit.id), class: "row_title"
+                  .light
+                    = commit_author_link(commit, avatar: false)
+                    authored
+                    #{time_ago_with_tooltip(commit.committed_date)}
+                - @prev_commit = raw_commit
             %td.lines.blame-numbers
               %pre
-                - (since...(since + lines.count)).each do |i|
-                  = i
-                  \
+                = current_line
+                - current_line += 1
             %td.lines
               %pre{class: 'code highlight white'}
                 %code
                   :erb
-                    <% lines.each do |line| %>
                     <%= highlight(@blob.name, line, nowrap: true, continue: true).html_safe %>
-                    <% end %>
+