297 lines
7.9 KiB
Nix
297 lines
7.9 KiB
Nix
{ platform ? __currentSystem
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, relName ?
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if builtins.pathExists ../../relname
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then builtins.readFile ../../relname
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else "nixos-${builtins.readFile ../../VERSION}"
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, compressImage ? false
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, nixpkgs ? ../../../nixpkgs
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# This option allows easy building of Rescue CD with
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# modified package set / driver set / anything.
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# For easier maitenance, let overrider know the current
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# options
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, configurationOverrides ? (config: {})
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# Whether to put all the build-time dependencies on DVD
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, includeBuildDeps ? false
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}:
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rec {
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cdLabel = "NIXOS_INSTALLATION_CD";
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baseConfiguration = {
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boot = {
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isLiveCD = true;
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extraTTYs = [7 8]; # manual, rogue
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extraModulePackages = [system.kernelPackages.aufs];
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kernelPackages = pkgs.kernelPackages_2_6_28;
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initrd = {
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extraKernelModules = [
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# The initrd should contain any modules necessary for
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# mounting the CD.
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# SATA/PATA support.
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"ahci"
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"ata_piix"
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"sata_inic162x" "sata_nv" "sata_promise" "sata_qstor"
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"sata_sil" "sata_sil24" "sata_sis" "sata_svw" "sata_sx4"
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"sata_uli" "sata_via" "sata_vsc"
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"pata_ali" "pata_amd" "pata_artop" "pata_atiixp"
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"pata_cs5520" "pata_cs5530" /* "pata_cs5535" */ "pata_efar"
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"pata_hpt366" "pata_hpt37x" "pata_hpt3x2n" "pata_hpt3x3"
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"pata_it8213" "pata_it821x" "pata_jmicron" "pata_marvell"
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"pata_mpiix" "pata_netcell" "pata_ns87410" "pata_oldpiix"
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"pata_pcmcia" "pata_pdc2027x" /* "pata_qdi" */ "pata_rz1000"
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"pata_sc1200" "pata_serverworks" "pata_sil680" "pata_sis"
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"pata_sl82c105" "pata_triflex" "pata_via"
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# "pata_winbond" <-- causes timeouts in sd_mod
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# SCSI support (incomplete).
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"3w-9xxx" "3w-xxxx" "aic79xx" "aic7xxx" "arcmsr"
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# USB support, especially for booting from USB CD-ROM
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# drives. Also include USB keyboard support for when
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# something goes wrong in stage 1.
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"ehci_hcd"
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"ohci_hcd"
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"uhci_hcd"
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"usbhid"
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"usb_storage"
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# Firewire support. Not tested.
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"ohci1394" "sbp2"
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# Virtio (QEMU, KVM etc.) support.
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"virtio_net" "virtio_pci" "virtio_blk" "virtio_balloon"
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# Wait for SCSI devices to appear.
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"scsi_wait_scan"
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# Needed for live-CD operation.
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"aufs"
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];
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};
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};
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fileSystems = [
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{ mountPoint = "/";
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label = cdLabel;
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}
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];
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networking = {
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enableIntel3945ABGFirmware = true;
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};
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services = {
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sshd = {
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enable = false;
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forwardX11 = false;
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};
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xserver = {
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enable = false;
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};
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showManual = {
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enable = true;
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manualFile = manual;
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};
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rogue = {
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enable = true;
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};
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extraJobs = [
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# Unpack the NixOS/Nixpkgs sources to /etc/nixos.
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# !!! run this synchronously
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{ name = "unpack-sources";
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job = "
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start on startup
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script
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export PATH=${pkgs.gnutar}/bin:${pkgs.bzip2}/bin:$PATH
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mkdir -p /mnt
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${system.nix}/bin/nix-store --load-db < /nix-path-registration
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mkdir -p /etc/nixos/nixos
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tar xjf /install/nixos.tar.bz2 -C /etc/nixos/nixos
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mkdir -p /etc/nixos/nixpkgs
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tar xjf /install/nixpkgs.tar.bz2 -C /etc/nixos/nixpkgs
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chown -R root.root /etc/nixos
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end script
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";
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}
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];
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mingetty = {
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helpLine = ''
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Log in as "root" with an empty password. Press <Alt-F7> for help.
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'';
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};
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};
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fonts = {
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enableFontConfig = false;
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};
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installer = {
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nixpkgsURL = http://nixos.org/releases/nixpkgs/unstable;
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};
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security = {
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sudo = {
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enable = false;
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};
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};
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environment = {
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extraPackages = [
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pkgs.subversion # for nixos-checkout
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pkgs.w3m # needed for the manual anyway
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pkgs.testdisk # useful for repairing boot problems
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pkgs.mssys # for writing Microsoft boot sectors / MBRs
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pkgs.ntfsprogs # for resizing NTFS partitions
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pkgs.parted
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pkgs.sshfsFuse
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];
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};
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};
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configuration = baseConfiguration // (configurationOverrides baseConfiguration);
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system = import ../../system/system.nix {
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inherit configuration platform nixpkgs;
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};
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pkgs = system.pkgs;
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# The NixOS manual, with a backward compatibility hack for Nix <=
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# 0.11 (you won't get the manual).
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manual =
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if builtins ? unsafeDiscardStringContext
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then "${import ../../doc/manual {inherit nixpkgs;}}/manual.html"
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else pkgs.writeText "dummy-manual" "Manual not included in this build!";
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# We need a copy of the Nix expressions for Nixpkgs and NixOS on the
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# CD. We put them in a tarball because accessing that many small
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# files from a slow device like a CD-ROM takes too long.
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makeTarball = tarName: input: pkgs.runCommand "tarball" {inherit tarName;} "
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ensureDir $out
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(cd ${input} && tar cvfj $out/${tarName} . \\
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--exclude '*~' --exclude 'result')
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";
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# Put the current directory in a tarball.
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nixosTarball = makeTarball "nixos.tar.bz2" ../..;
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# Put Nixpkgs in a tarball.
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nixpkgsTarball = makeTarball "nixpkgs.tar.bz2" nixpkgs;
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# The configuration file for Grub.
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grubCfg = pkgs.writeText "menu.lst" (''
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default 0
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timeout 10
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splashimage /boot/background.xpm.gz
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title Boot from hard disk
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root (hd0)
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chainloader +1
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title NixOS Installer / Rescue
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kernel /boot/vmlinuz init=/init ${toString system.config.boot.kernelParams}
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initrd /boot/initrd
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title Memtest86+
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kernel /boot/memtest.bin
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''
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+ (pkgs.lib.concatStringsSep "\n\n"
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(map (x: ''
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title NixOS: ${x.configurationName}
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kernel ${x.kernel} systemConfig=${x} init=${x.bootStage2} ${toString system.config.boot.kernelParams}
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initrd ${x.initrd}
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'') system.children)))
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;
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# Create an ISO image containing the Grub boot loader, the kernel,
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# the initrd produced above, and the closure of the stage 2 init.
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rescueCD = import ../../helpers/make-iso9660-image.nix {
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inherit nixpkgs;
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inherit (pkgs) stdenv perl cdrkit;
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isoName = "${relName}-${platform}.iso";
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# Single files to be copied to fixed locations on the CD.
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contents = [
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{ source = "${pkgs.grub}/lib/grub/${if platform == "i686-linux" then "i386-pc" else "x86_64-unknown"}/stage2_eltorito";
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target = "boot/grub/stage2_eltorito";
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}
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{ source = grubCfg;
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target = "boot/grub/menu.lst";
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}
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{ source = system.kernel + "/vmlinuz";
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target = "boot/vmlinuz";
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}
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{ source = system.initialRamdisk + "/initrd";
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target = "boot/initrd";
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}
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{ source = pkgs.memtest86 + "/memtest.bin";
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target = "boot/memtest.bin";
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}
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{ source = system.config.boot.grubSplashImage;
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target = "boot/background.xpm.gz";
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}
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{ source = nixosTarball + "/" + nixosTarball.tarName;
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target = "/install/" + nixosTarball.tarName;
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}
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{ source = nixpkgsTarball + "/nixpkgs.tar.bz2";
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target = "/install/nixpkgs.tar.bz2";
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}
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];
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# Closures to be copied to the Nix store on the CD.
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storeContents = [
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{ object = system.bootStage2;
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symlink = "/init";
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}
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{ object = system.system;
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symlink = "/system";
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}
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# To speed up the installation, provide the full stdenv.
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{ object = pkgs.stdenv;
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symlink = "none";
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}
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]
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++ pkgs.lib.optional includeBuildDeps {
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object = system.system.drvPath;
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symlink = "none";
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}
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;
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bootable = true;
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bootImage = "boot/grub/stage2_eltorito";
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inherit compressImage;
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volumeID = cdLabel;
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};
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}
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