#!/bin/bash

tmux=tmux
tmux_opts=
session_opts=
while getopts ":T:n:s:t:" opt; do
  case $opt in
    T) tmux="$OPTARG";;
    n|s|t) session_opts="$session_opts -$opt $OPTARG";;
  esac
done
shift $((OPTIND-1))

if [ -z "$KRB5CCNAME" ]; then
  krb5ccname="$KRB5CCNAME"
  [ -z "$krb5ccname" ] && krb5ccname=FILE:${TMPDIR:-/tmp}/krb5cc_${UID}_ktmux_$$
  export KRB5CCNAME="$krb5ccname"
fi
klist -s || kinit

exec $tmux ${tmux_opts## } new-session ${session_opts## } -d ';' set-environment KRB5CCNAME "$KRB5CCNAME" ';' attach ';' run-shell ktmux_helper