gitlabhq/gitlabhq — pull request #3911 by babatakao (2013-05-11 08:03:34+00:00)
Title: Migrate notes.line_code format.

Since version 4.1, notes.line_code means:
{SHA1 hash of file path}_{old line}_{new line}
but the older version means:
{file index of the commit}_{old line}_{new line}

This rake task migrate the above differences.