gpg agent persistance

.xinitrc

#!/bin/sh
# ...
export SSH_ASKPASS=ssh-askpass
SSH_ENV=$HOME/.ssh/environment
AGENT=gpg-agent
OPTS="--enable-ssh-support --daemon"

RUN="$AGENT $OPTS"
function start_agent {
     echo "Initialising new agent..."
     /usr/bin/$RUN | sed 's/^echo/#echo/' > ${SSH_ENV}
     chmod 600 ${SSH_ENV}
     . ${SSH_ENV} > /dev/null
}

if [ -f "${SSH_ENV}" ]; then
     . ${SSH_ENV} > /dev/null
     pgrep $AGENT | grep ${SSH_AGENT_PID} > /dev/null || {
        start_agent;
     }
else
     start_agent;
fi

/usr/bin/ssh-add &

# ...

if [ "$1" = "debug" ] ; then
    urxvt --title "Qtile log" -e python2 /usr/bin/qtile-session
else
    python2 /usr/bin/qtile-session -l WARNING
fi

/usr/bin/ssh-add -D