GPGAGENTFILE="$HOME/.gpg-agent-info"

MYGPGA=$(pidof gpg-agent)
if [ -z "$MYGPGA" ]; then
    gpg-agent --daemon --enable-ssh-support --write-env-file "$GPGAGENTFILE"
fi

if [ -f "$GPGAGENTFILE" ]; then
    . "$GPGAGENTFILE"
    export GPG_AGENT_INFO
    export SSH_AUTH_SOCK
    export SSH_AGENT_PID
fi

[ -z "$GPG_TTY" ] && export GPG_TTY=$(tty)