Unified diff viewer for attached files with .patch or .diff extension (#1403).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1516 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/attachments/diff.rhtml

@@ -0,0 +1,15 @@
+<h2><%=h @attachment.filename %></h2>
+
+<div class="attachments">
+<p><%= h("#{@attachment.description} - ") unless @attachment.description.blank? %>
+   <span class="author"><%= @attachment.author %>, <%= format_time(@attachment.created_on) %></span></p>
+<p><%= link_to l(:button_download), {:controller => 'attachments', :action => 'download', :id => @attachment } -%>
+   <span class="size">(<%= number_to_human_size @attachment.filesize %>)</span></p>
+
+</div>
+&nbsp;
+<%= render :partial => 'common/diff', :locals => {:diff => @diff, :diff_type => @diff_type} %>
+
+<% content_for :header_tags do -%>
+    <%= stylesheet_link_tag "scm" -%>
+<% end -%>