#!/bin/sh
set -eu

real_xterm() {
  local OLDIFS
  OLDIFS="$IFS"
  IFS=:
  local SELF
  SELF="$(realpath $0)"
  local CMD
  CMD="${SELF##*/}"
  for p in $PATH; do
    IFS="$OLDIFS"
    case "$SELF" in $p/*) continue ;; esac
    if [ -x "$p/$CMD" ]; then
      echo "$p/$CMD"
      return 0
    fi
  done
  return 127
}

xterm=$(real_xterm)

kitty_args() {
  # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1103770
  local arg rest=0
  local args="--single-instance --wait-for-single-instance-window-close"
  for arg in "$@"; do
    if [ $rest = 0 ]; then
      case "$arg" in
      -help | --help)
        echo $arg
        break
        ;;
      -name | -hold | -title) arg="-$arg" ;;
      -cd) arg="-d" ;;
      -e | --) rest=1 ;;
      esac
    fi
    args="$args $arg"
  done
  echo $args
}

case "$(readlink -f $xterm)" in
*/kitty) set -- $(kitty_args "$@") ;;
esac

exec $xterm "$@"