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#!/bin/sh
# helper script for launching ssh-agent, used by systemd unit
set -e
options="$(getopt -o '' -l help -- "$@")" || exit 1
eval set -- "$options"
if [ ! -d "$XDG_RUNTIME_DIR" ]; then
# shellcheck disable=SC2016
echo 'This needs $XDG_RUNTIME_DIR to be set' >&2
exit 1
fi
while :; do
case $1 in
--help)
echo 'Usage:' >&2
echo " $0 start [-- ssh-agent options]" >&2
echo " $0 stop"
exit 0
;;
--)
shift
break
;;
*)
echo "Unexpected argument: $1" >&2
exit 1
;;
esac
done
if [ "$1" = start ]; then
shift
if [ ! -S "$SSH_AUTH_SOCK" ] && grep -s -q '^use-ssh-agent$' /etc/X11/Xsession.options; then
S="$XDG_RUNTIME_DIR/openssh_agent"
dbus-update-activation-environment --verbose --systemd SSH_AUTH_SOCK="$S" SSH_AGENT_LAUNCHER=openssh
exec ssh-agent -D -a "$S" "$@"
fi
elif [ "$1" = stop ]; then
if [ "$SSH_AGENT_LAUNCHER" = openssh ]; then
dbus-update-activation-environment --systemd SSH_AUTH_SOCK=
fi
else
echo "Unknown command $1" >&2
exit 1
fi
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