sorin-ionescu/prezto — pull request #737 by mfussenegger (2014-11-27 21:21:24+00:00)
Title: gpg: check for S.gpg-agent to see if gpg-agent is running

from gpg changelog:

> Removed the GPG_AGENT_INFO related code. GnuPG does now
> always use a fixed socket name in its home directory.

This is basically the same fix as PaBLoX-CL posted in https://github.com/sorin-ionescu/prezto/issues/689