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#!/usr/bin/env bash
function tmp-if-needed {
tmpdir=/tmp/ssh-env-$(whoami)
[[ -d $tmpdir ]] || mkdir $tmpdir
chmod 700 "$tmpdir"
chown $(whoami) "$tmpdir"
echo $tmpdir
}
ENVFILE="${XDG_RUNTIME_DIR:-$(tmp-if-needed)}/ssh-agent.env"
if [ -f $ENVFILE ] ; then
. $ENVFILE > /dev/null
if ! kill -0 $SSH_AGENT_PID > /dev/null 2>&1; then
eval $(ssh-agent | tee $ENVFILE)
chmod 600 "$ENVFILE"
chown $(whoami) "$ENVFILE"
ssh-add
fi
else
eval $(ssh-agent | tee $ENVFILE)
chmod 600 "$ENVFILE"
chown $(whoami) "$ENVFILE"
ssh-add
fi