#! /bin/sh -e
case $# in 1) ;; *) echo >&2 "usage: $0 HOST"; exit 2 ;; esac
host=$1; shift
case $host in
  *[!-a-zA-Z0-9]*) echo >&2 "$0: bad host name \`$host'"; exit 2 ;;
esac
cd "$HOME/.disorder"
if ! [ -f "passwd.$host" ] ||
   ! grep -q "^connect -unix /.*/\.disorder/sock/disorder@$host" \
       "passwd.$host"
then echo >&2 "$0: unknown disorder host \`$host'"; exit 2; fi
if [ -S "sock/ssh@$host" ]; then
  ssh -oControlPath="sock/ssh@$host" -Oexit "$host"
fi
rm -f "sock/disorder@$host"
ssh -oControlMaster=yes -oControlPath="sock/ssh@$host" -fnN \
    -L"sock/disorder@$host:/var/lib/disorder/socket" \
    "$host"