38 lines
1.4 KiB
Nix
38 lines
1.4 KiB
Nix
{ stdenv, syslinux }:
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stdenv.mkDerivation rec {
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pname = "bootpart-uefi-x86_64";
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version = "1";
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buildInputs = [ syslinux ];
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dontUnpack = true;
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installPhase = ''
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# populate the EFI directory with syslinux, and configure it to read that extlinux.conf file managed by nixos
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mkdir -p "$out/EFI/syslinux" "$out/EFI/BOOT" "$out/syslinux"
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cp -R "${syslinux}/share/syslinux/efi64"/* "$out/EFI/syslinux"
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echo "DEFAULT trampoline" > "$out/EFI/syslinux/syslinux.cfg"
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echo "LABEL trampoline" >> "$out/EFI/syslinux/syslinux.cfg"
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echo " SAY trampoline into generic extlinux.conf" >> "$out/EFI/syslinux/syslinux.cfg"
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echo " CONFIG ../../syslinux/syslinux.cfg ../../syslinux" >> "$out/EFI/syslinux/syslinux.cfg"
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# we create this "trampoline" layer so that we can setup the UI directive
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# and enable a menu before loading the real, nixos-managed extlinux.conf
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cp "${syslinux}/share/syslinux/efi64/menu.c32" "$out/syslinux/menu.c32"
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echo "UI menu.c32" > "$out/syslinux/syslinux.cfg"
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echo "INCLUDE ../extlinux/extlinux.conf" >> "$out/syslinux/syslinux.cfg"
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# create the EFI/BOOT/BOOTX64.EFI default entry
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cp "$out/EFI/syslinux"/* "$out/EFI/BOOT"
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mv "$out/EFI/BOOT/syslinux.efi" "$out/EFI/BOOT/BOOTX64.EFI"
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'';
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meta = {
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description = "unmanaged files to place in /boot on a x86-64 extlinux system";
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platforms = [ "x86_64-linux" ];
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};
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}
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