sigil/apps/hw-iso/default.nix

41 lines
957 B
Nix

{ stdenv, nixpkgs, packages, hw-image }:
nixpkgs.writeScriptBin "hw-iso" (with nixpkgs.buildPackages;
let inherit (stdenv) cc;
in ''
#!${runtimeShell}
set -eu
SYSLINUX="${syslinux}/share/syslinux"
TMPDIR="$(${coreutils}/bin/mktemp -d)"
trap "rm -rf $TMPDIR" err exit
mkdir -p "$TMPDIR/boot/syslinux"
${hw-image.program} $@ > "$TMPDIR/boot/image.elf"
pushd "$TMPDIR" > /dev/null
out="hw.iso"
# build ISO layout
cp ${./isolinux.cfg} boot/syslinux/isolinux.cfg
cp \
$SYSLINUX/isolinux.bin \
$SYSLINUX/ldlinux.c32 \
$SYSLINUX/libcom32.c32 \
$SYSLINUX/mboot.c32 \
boot/syslinux
chmod +w boot/syslinux/isolinux.bin
# create ISO image
${cdrkit}/bin/mkisofs -o "$out" \
-b syslinux/isolinux.bin -c syslinux/boot.cat \
-no-emul-boot -boot-load-size 4 -boot-info-table \
-iso-level 2 \
boot
${syslinux}/bin/isohybrid "$out"
cat "$out"
'')