51 lines
1.1 KiB
Nix
51 lines
1.1 KiB
Nix
# SPDX-License-Identifier: CC0-1.0
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{ stdenv, nixpkgs, packages, nova-image }:
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nixpkgs.writeScriptBin "nova-iso" (with nixpkgs.buildPackages;
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let inherit (stdenv) cc;
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in ''
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#!${runtimeShell}
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set -eu
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out="$1"
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shift
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if [ -e "$out" ]; then
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echo "refusing to overwrite $out as output" > /dev/stderr
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exit 1
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fi
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SYSLINUX="${syslinux}/share/syslinux"
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TMPDIR="$(${coreutils}/bin/mktemp -d)"
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trap "rm -rf $TMPDIR" err exit
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mkdir -p "$TMPDIR/boot/syslinux"
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${nova-image.program} "$TMPDIR/boot/image.elf" $@
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pushd "$TMPDIR"
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# build ISO layout
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cp ${packages.NOVA}/hypervisor* boot/hypervisor
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cp ${./isolinux.cfg} boot/syslinux/isolinux.cfg
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cp \
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$SYSLINUX/isolinux.bin \
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$SYSLINUX/ldlinux.c32 \
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$SYSLINUX/libcom32.c32 \
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$SYSLINUX/mboot.c32 \
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boot/syslinux
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chmod +w boot/syslinux/isolinux.bin
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# create ISO image
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${cdrkit}/bin/mkisofs -o "$out" \
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-b syslinux/isolinux.bin -c syslinux/boot.cat \
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-no-emul-boot -boot-load-size 4 -boot-info-table \
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-iso-level 2 \
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boot
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${syslinux}/bin/isohybrid "$out"
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echo ISO is at $out
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'')
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