# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-# note, this script gets piped to bash, so cant cd to current dir
-[[ $EUID == 0 ]] || exec sudo "${BASH_SOURCE}" "$@"
+[[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
+
+set -x
set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
+pre="${0##*/}:"
+m() { printf "$pre %s\n" "$*"; "$@"; }
+e() { printf "$pre %s\n" "$*"; }
+err() { echo "[$(date +'%Y-%m-%d %H:%M:%S%z')]: $pre: $*" >&2; }
+
+usage() {
+ cat <<EOF
+Usage: call from myfai-chboot, see its help
+
+# note, this script gets piped to bash, so cant cd to current dir
+
+-h|--help Print help and exit.
+
+Note: Uses util-linux getopt option parsing: spaces between args and
+options, short options can be combined, options before args.
+EOF
+ exit $1
+}
+
+
kgped16=false
bond=false
fai_action=install
fai_reboot_arg=,reboot
-while [[ $1 == -* ]]; do
+
+# ensure we can handle args with spaces or empty.
+ret=0; getopt -T || ret=$?
+[[ $ret == 4 ]] || { echo "Install util-linux for enhanced getopt" >&2; exit 1; }
+
+temp=$(getopt -l help,no-r hSi "$@") || usage 1
+eval set -- "$temp"
+while true; do
case $1 in
- -h|--help)
- echo "see help from myfai-chboot"
- exit 0
- ;;
-S)
fai_action=sysinfo
fai_reboot_arg=
- shift
;;
-i) #inventory
fai_action=inventory
fai_reboot_arg=
- shift
;;
-k)
kgped16=true
- shift
;;
-b)
bond=true
- shift
;;
--no-r)
fai_reboot_arg=
- shift
;;
+ -h|--help) usage ;;
+ --) shift; break ;;
+ *) echo "$0: unexpected args: $*" >&2 ; usage 1 ;;
esac
+ shift
done
-
-pre="${0##*/}:"
-m() { printf "$pre %s\n" "$*"; "$@"; }
-e() { printf "$pre %s\n" "$*"; }
-err() { echo "[$(date +'%Y-%m-%d %H:%M:%S%z')]: $pre: $*" >&2; }
-
-host=$1
+read -r host <<<"$@"
+readonly host
rm -f /srv/tftp/fai/pxelinux.cfg/*