From 2ec7a8bb91eeaabb5aa1b5839ae8ffca0d91f51b Mon Sep 17 00:00:00 2001
From: Alexander Machehin <alexander.machehin@gmail.com>
Date: Tue, 7 Apr 2015 20:53:29 +0500
Subject: [PATCH] new diff

---
 app/helpers/commit_helper.rb                  | 39 ++++++++-------
 app/helpers/diff_helper.rb                    | 47 ++++++++++++-------
 .../projects/git/commits/_diff.html.slim      |  8 +++-
 .../git/commits/_show_image.html.slim         |  3 +-
 app/views/projects/git/commits/diff.html.slim | 16 ++-----
 lib/ext/git/grit.rb                           |  2 +-
 6 files changed, 66 insertions(+), 49 deletions(-)

diff --git a/app/helpers/commit_helper.rb b/app/helpers/commit_helper.rb
index 838d1a77c..86346f517 100644
--- a/app/helpers/commit_helper.rb
+++ b/app/helpers/commit_helper.rb
@@ -2,20 +2,25 @@ module CommitHelper
   MAX_FILES_WITHOUT_COLLAPSE = 25
 
   def render_commit_stats(options = {})
-    stats  = options[:stats]
-    diff   = options[:diff]
-    repo   = options[:repo]
-    commit = options[:commit]
+    stats         = options[:stats]
+    diff          = options[:diff]
+    repo          = options[:repo]
+    commit        = options[:commit]
+    parent_commit = commit.parents.try(:first)
 
     res = ["<ul class='list-group boffset0'>"]
     ind=0
     stats.files.each do |filename, adds, deletes, total|
       file_name = get_filename_in_diff(diff[ind], filename)
-
+      file_status = t "layout.projects.diff.#{get_file_status_in_diff(diff[ind])}"
       res << "<li class='list-group-item'>"
         res << "<div class='row'>"
-          res << "<div class='col-sm-8'><a href='#diff-#{ind}'>#{diff_file_icon(diff[ind])} #{h(file_name)}</a></div>"
-          res << render_file_changes(diff: diff[ind], adds: adds, deletes: deletes, total: total, repo: repo, commit: commit)
+          res << "<div class='col-sm-8'>"
+            res << "<a href='#diff-#{ind}' data-toggle='tooltip' data-placement='top' title='#{file_status}'>"
+              res << "#{diff_file_icon(diff[ind])} #{h(file_name)}"
+            res << "</a></div>"
+          res << render_file_changes(diff: diff[ind], adds: adds, deletes: deletes, total: total,
+                                     repo: repo, commit: commit, parent_commit: parent_commit, file_status: file_status)
         res << "</div"
       res << "</li>"
       ind +=1
@@ -87,8 +92,8 @@ module CommitHelper
     diff.renamed_file ? (tree / diff.b_path) : (tree / (diff.a_path.presence || diff.b_path))
   end
 
-  def get_commit_id_for_file(diff, commit)
-    diff.deleted_file ? commit.parents.try(:first).try(:id) : commit.id
+  def get_commit_id_for_file(diff, commit, parent_commit)
+    diff.deleted_file ? parent_commit.id : commit.id
   end
 
   def get_file_status_in_diff(diff)
@@ -118,15 +123,15 @@ module CommitHelper
   end
 
   def render_file_changes(options = {})
-    diff      = options[:diff]
-    adds      = options[:adds]
-    deletes   = options[:deletes]
-    total     = options[:total]
-    repo      = options[:repo]
-    commit_id = get_commit_id_for_file(diff, options[:commit])
-    blob      = file_blob_in_diff(repo, commit_id, diff)
+    diff        = options[:diff]
+    adds        = options[:adds]
+    deletes     = options[:deletes]
+    total       = options[:total]
+    repo        = options[:repo]
+    file_status = options[:file_status]
+    commit_id   = get_commit_id_for_file(diff, options[:commit], options[:parent_commit])
+    blob        = file_blob_in_diff(repo, commit_id, diff)
 
-    file_status = t "layout.projects.diff.#{get_file_status_in_diff(diff)}"
     res = ''
     res << "<div class='col-sm-3'>"
       res << "<div class='pull-right'>"
diff --git a/app/helpers/diff_helper.rb b/app/helpers/diff_helper.rb
index f9877b22f..f698214ce 100644
--- a/app/helpers/diff_helper.rb
+++ b/app/helpers/diff_helper.rb
@@ -1,26 +1,41 @@
 module DiffHelper
-  MAX_FILES_WITHOUT_COLLAPSE = 25
+  include CommitHelper
+
   MAX_LINES_WITHOUT_COLLAPSE = 50
 
-  def render_diff_stats(stats, diff)
-    res = ["<table class='table table-responsive boffset0'>"]
+  def render_diff_stats(options = {})
+    stats         = options[:stats]
+    diff          = options[:diff]
+    repo          = options[:repo]
+    commit        = options[:commit]
+    parent_commit = options[:common_ancestor]
+
+    res = ["<ul class='list-group boffset0'>"]
     stats.each_with_index do |stat, ind|
-      res << "<tr>"
-      res << "<td>#{link_to stat.filename.rtruncate(120), "#diff-#{ind}"}</td>"
-      res << "<td class='diffstat'>"
-      res << I18n.t("layout.projects.inline_changes_count", count: stat.additions + stat.deletions).strip +
-             " (" +
-             I18n.t("layout.projects.inline_additions_count", count: stat.additions).strip +
-             ", " +
-             I18n.t("layout.projects.inline_deletions_count", count: stat.deletions).strip +
-             ")"
-      res << "</td>"
+      adds        = stat.additions
+      deletes     = stat.deletions
+      total       = adds + deletes
+      file_name   = get_filename_in_diff(diff[ind], stat.filename)
+      file_status = t "layout.projects.diff.#{get_file_status_in_diff(diff[ind])}"
+
+      res << "<li class='list-group-item'>"
+        res << "<div class='row'>"
+          res << "<div class='col-sm-8'>"
+            res << "<a href='#diff-#{ind}' data-toggle='tooltip' data-placement='top' title='#{file_status}'>"
+              res << "#{diff_file_icon(diff[ind])} #{h(file_name)}"
+            res << "</a></div>"
+          res << render_file_changes(diff: diff[ind], adds: adds, deletes: deletes, total: total,
+                                     repo: repo, commit: commit, parent_commit: parent_commit, file_status: file_status)
+        res << "</div"
+      res << "</li>"
+      ind +=1
     end
-    res << '</table>'
-    wrap_header_list(stats, res)
+    res << "</ul>"
+
+    wrap_diff_header_list(stats, res)
   end
 
-  def wrap_header_list(stats, list)
+  def wrap_diff_header_list(stats, list)
     is_stats_open = stats.count <= MAX_FILES_WITHOUT_COLLAPSE ? 'in' : ''
     res = ["<div class='panel-group' id='diff_header' role='tablist' aria-multiselectable='false'>"]
       res << "<div class='panel panel-default'>"
diff --git a/app/views/projects/git/commits/_diff.html.slim b/app/views/projects/git/commits/_diff.html.slim
index 603cd033e..63631a6d7 100644
--- a/app/views/projects/git/commits/_diff.html.slim
+++ b/app/views/projects/git/commits/_diff.html.slim
@@ -1,4 +1,5 @@
-- commit_id = get_commit_id_for_file(diff, commit)
+- parent_commit = defined?(common_ancestor) ? common_ancestor : commit.parents.try(:first)
+- commit_id = get_commit_id_for_file diff, commit, parent_commit
 - diff_counter_content = "diff-#{diff_counter}_content"
 - blob = file_blob_in_diff(@project.repo, commit_id, diff)
 - is_file_open = 'in' if is_file_open_in_diff(blob, diff)
@@ -20,7 +21,10 @@
     .clearfix
 
   .diff_data.collapse id= diff_counter_content class= is_file_open
-    == render('show_image', diff: diff, blob: blob) if blob.render_as == :image
+    - if blob.render_as == :image
+      - old_blob = file_blob_in_diff(@project.repo, parent_commit.id, diff)
+      == render('show_image', diff: diff, blob: blob, old_blob: old_blob)
+
     - if diff.a_mode != diff.b_mode && diff.diff.blank?
       == render 'file_change_mode', blob: blob, diff: diff
 
diff --git a/app/views/projects/git/commits/_show_image.html.slim b/app/views/projects/git/commits/_show_image.html.slim
index b8821675d..b5ff26323 100644
--- a/app/views/projects/git/commits/_show_image.html.slim
+++ b/app/views/projects/git/commits/_show_image.html.slim
@@ -1,10 +1,9 @@
-- #table.table.table-responsive.diff.inline.table-borderless cellspacing= 0 cellpadding= 0
 .row
   - if get_file_status_in_diff(diff) == :changed_file
     .col-md-6.col-xs-12
       p.text-center.text-danger= t 'layout.projects.diff.deleted_file'
       img[ class= 'img-responsive center-block'
-           src=   "data:#{blob.mime_type};base64,#{Base64.encode64(diff.a_blob.data)}"
+           src=   "data:#{old_blob.mime_type};base64,#{Base64.encode64(old_blob.data)}"
            style= 'border: 1px solid red;' ]
 
     .col-md-6.col-xs-12
diff --git a/app/views/projects/git/commits/diff.html.slim b/app/views/projects/git/commits/diff.html.slim
index d11e63f4e..0016380b3 100644
--- a/app/views/projects/git/commits/diff.html.slim
+++ b/app/views/projects/git/commits/diff.html.slim
@@ -12,19 +12,13 @@
   h3= title
 
   #repo-wrapper
-    .leftside
-      -total_additions = @stats.inject(0) {|sum, n| sum + n.additions}
-      -total_deletions = @stats.inject(0) {|sum, n| sum + n.deletions}
-      h5= t("layout.projects.diff_show_header",
-        files:     t("layout.projects.commit_files_count",     count: @stats.count),
-        additions: t("layout.projects.commit_additions_count", count: total_additions),
-        deletions: t("layout.projects.commit_deletions_count", count: total_deletions))
-
     -begin
       - diffs = @project.repo.diff @common_ancestor.id, @commit.id
-      == render_diff_stats @stats, diffs
-      -# diffs = Grit::Commit.diff(@project.repo, @common_ancestor.id, @commit.id)
-      == render partial: 'projects/git/commits/diff', collection: diffs, locals: { parent_commit: @common_ancestor }
+      == render_diff_stats(stats: @stats, diff: diffs, repo: @project.repo,
+                           commit: @commit, common_ancestor: @common_ancestor)
+
+      == render partial: 'projects/git/commits/diff', collection: diffs,
+         locals: { commit: @commit, common_ancestor: @common_ancestor}
 
     - rescue Grit::Git::GitTimeout
       p= t 'layout.git.repositories.commit_diff_too_big'
diff --git a/lib/ext/git/grit.rb b/lib/ext/git/grit.rb
index 0b1a70980..c8a6fc423 100644
--- a/lib/ext/git/grit.rb
+++ b/lib/ext/git/grit.rb
@@ -82,7 +82,7 @@ module Grit
     def diff_stats(a,b)
       stats = []
       Dir.chdir(path) do
-        lines = self.git.native(:diff, {numstat: true}, "#{a}...#{b}").split("\n")
+        lines = self.git.native(:diff, {numstat: true, M: true}, "#{a}...#{b}").split("\n")
         while !lines.empty?
           files = []
           while lines.first =~ /^([-\d]+)\s+([-\d]+)\s+(.+)/