f93d669a16bd3cb3f43f0c8cfd22fe18b627a6a1 is the first bad commit
commit f93d669a16bd3cb3f43f0c8cfd22fe18b627a6a1
Author: Lars Ingebrigtsen <larsi@gnus.org>
Date:   Sun Feb 7 13:01:01 2016 +1100

    Default to gpg2 instead of gpg
    
    * lisp/epg-config.el (epg-gpg-program): Prefer gpg2 over gpg, if
    it exists.  This fixes many problems with using the GPG
    authentication agent.

:040000 040000 9fb55ee1b995de03ffd304534fe56c48e70d87a1 2224c44aefb7d3999782abc12ea5a2ec36453acf M      etc
:040000 040000 68d3fe2525f0d7a3e73ed37f17a3e72ca7bedc99 8714a0799c3d9274b94e20899c37fdfb20128ccc M      lisp
[bisect/good-35cbe2095ba024f6ee60799cd560771f2ef739a4|bisect]__>

        manoj
-- 
Lots of folks confuse bad management with destiny. Frank Hubbard
Manoj Srivastava <srivasta@acm.org> <http://www.golden-gryphon.com/>  
4096R/C5779A1C E37E 5EC5 2A01 DA25 AD20  05B6 CF48 9438 C577 9A1C