#!/usr/bin/sh -e

usage() {
  echo 'Usage: kiss send-build [command] [options]
build KISS packages on a remote server

Options:
  -h, --help        show this help message

Subcommands:
  build [package]   initiate a remote build
  status            get current remote status
  status [package]  get current remote status of a package
  get [package]     receive a built package

Configuration:
  Done via environment variables

  $KISS_SERV_HOST   remote host to connect to
                      (defaults to localhost)
  $KISS_SERV_USER   remote host to connect to
                      (defaults to $(whoami))
  $KISS_SERV_PORT   remote port to connect to
                      (defaults to 22)'
}

parse_err() {
  echo "$1"
  $2
  exit 2
}

sshexec() {
  $sshcmd kiss serv $1 $2
  exit
}

get() {
  pkg=$($sshcmd 'ls -1 ~/.cache/kiss/bin/' | sort | grep -m 1 "$2")
  rsync -azre "ssh -p $port" "$user@$host":/home/"$user"/.cache/kiss/bin/"$pkg" \
    ~/.cache/kiss/bin
  echo "fetched $pkg from $host"
  exit
}

port=${KISS_SERV_PORT:-22}
host=${KISS_SERV_HOST:-localhost}
user=${KISS_SERV_USER:-$(whoami)}
sshcmd="ssh -p $port $user@$host env KISS_PATH=$KISS_PATH"

while [ "$1" != "" ]; do
  case $1 in
    -h | --help)
      usage
      exit
      ;;
    status | build)
      sshexec "$@"
      ;;
    get)
      "$1" "$@"
      ;;
    *)
      parse_err "ERROR: unknown option $1 \n" usage
      ;;
  esac
  shift 2
done
parse_err "ERROR: no command given\n" usage