Merge pull request #3852 from magento/ds_fix-last-modified-at-plugin

Make last-modified-at plugin to work correct in subrepos

Author: dshevtsov

_plugins/last-modified-at.rb

@@ -18,8 +18,11 @@
 
   real_filepath = File.realpath page.path
 
+  dir = File.dirname real_filepath
+  filename = File.basename real_filepath
+
   # Read date of the last committ and assign it to last_modified_at parameter
   # of the page.
   page.data['last_modified_at'] =
-    `git log -1 --format=%cd --date=iso -- #{real_filepath}`.strip
+    `cd #{dir} && git log -1 --format=%cd --date=iso -- #{filename}`.strip
 end