[refs #674] fixed undefined method 'binary?' for nil:NilClass when rename the file

app/controllers/projects/git/commits_controller.rb

@@ -43,5 +43,6 @@ class Projects::Git::CommitsController < Projects::Git::BaseController
             params2 #FIXME git has other ref?
           end
     @commit = @project.repo.commit(ref) || raise(ActiveRecord::RecordNotFound)
+    @common_ancestor = @project.repo.commit(@project.repo.git.merge_base({}, @commit1, @commit)) || @commit1
   end
 end

app/views/projects/git/commits/_commit_diff.html.haml

@@ -6,5 +6,6 @@
     - if commit_diff.b_path.present?
       .r= link_to "view file @ #{short_hash_id(commit_id)}", blob_path(@project, commit_id, commit_diff.b_path)
     .clear
-  -unless (@project.repo.tree(commit_id) / commit_diff.b_path).binary?
+  -if commit_diff.diff.present? && !(@project.repo.tree(commit_id) / commit_diff.a_path).binary?
+    ="a_path=#{commit_diff.a_path}; b_path=#{commit_diff.b_path}" if (@project.repo.tree(commit_id) / commit_diff.b_path).nil?
     .diff_data=render_diff(commit_diff, :diff_counter => commit_diff_counter, :comments => @comments)

app/views/projects/git/commits/diff.html.haml

@@ -1,6 +1,17 @@
 -begin
   =render_diff_stats(@project.repo.diff_stats @commit1.id, @commit.id)
   = "#{@commit1}...#{@commit}"
-  =render :partial => 'commit_diff', :collection => @project.repo.diff(@commit1.id, @commit.id)
+  =#render :partial => 'commit_diff', :collection => @project.repo.diff(@commit1.id, @commit.id)
+  -@project.repo.diff(@commit1.id, @commit.id).each_with_index do |commit_diff, diff_counter|
+    - commit_id = commit_diff.deleted_file ? @common_ancestor.id : @commit.id
+    .file
+      %a{:name => "diff-#{diff_counter}"}
+      .top
+        .l= h(commit_diff.a_path.rtruncate 120)
+        - if commit_diff.b_path.present?
+          .r= link_to "view file @ #{short_hash_id(commit_id)}", blob_path(@project, commit_id, commit_diff.b_path)
+        .clear
+      -if commit_diff.diff.present? && !(@project.repo.tree(commit_id) / commit_diff.b_path).binary?
+        .diff_data=render_diff(commit_diff, :diff_counter => diff_counter)
 - rescue Grit::Git::GitTimeout
   %p= t 'layout.git.repositories.commit_diff_too_big'