#!/bin/bash
#============================================================================
# Title       : make-iso
# Description : Make a custom Rocky Linux installable ISO
# ---------------------------------------------------------------------------
# requires lorax, genisoimage: dnf install lorax genisoimage

die() { echo "$(basename $0): [die] $@" >&2 ; exit 1 ; }

test $(id -u) == 0 || die "Run as root (sudo $(basename $0) <opts>"

# Setup temp working directory - clean it up when program ends
readonly WORKDIR=$(/bin/mktemp --tmpdir -d)
cleanup() { /bin/rm -rf ${WORKDIR:-/none} ; }
trap "cleanup" INT TERM HUP EXIT

topdir=$(git rev-parse --show-toplevel)
echo $topdir

# requires lorax, genisoimage: dnf install lorax genisoimage

isopath=/nfs/sw/os/rocky/Rocky-9.7-x86_64-minimal.iso
target=/nfs/pve/template/iso/custom.iso

ks=$topdir/kickstart/rocky-9.cfg
custom=$topdir/custom

cp -r $custom $WORKDIR
cp $ks $WORKDIR

rpm -q --quiet lorax       || die "lorax not installed"
rpm -q --quiet genisoimage || die "genisoimage not installed"

test -f $target && sudo rm -f $target

$topdir/bin/mkksiso -a $WORKDIR/custom --ks=$WORKDIR/$(basename $ks) --custom_cfg $topdir/isolinux.cfg $isopath $target