forked from mirrors/nixpkgs
456 lines
12 KiB
Nix
456 lines
12 KiB
Nix
{
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lib
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,platform ? __currentSystem
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,networkNixpkgs ? ""
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,nixpkgsMd5 ? ""
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,manualEnabled ? true
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,rogueEnabled ? true
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,sshdEnabled ? false
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,fontConfigEnabled ? false
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,sudoEnable ? false
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,packages ? (pkgs : [])
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,includeMemtest ? true
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,includeStdenv ? true
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,includeBuildDeps ? false
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,kernelPackages ? (pkgs : pkgs.kernelPackages)
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,extraModulePackages ? (pkgs : [])
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,addUsers ? []
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,extraInitrdKernelModules ? []
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,bootKernelModules ? []
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,arbitraryOverrides ? (config:{})
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,cleanStart ? false
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/* Should return list of {configuration, suffix} attrsets.
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{configuration=configuration; suffix=""} is always prepended.
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*/
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,configList ? (configuration : [])
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,aufs ? true
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/*
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Address/netmask to be always added, whatever
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network-interfaces configure is kept
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*/
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,addIP ? ""
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,netmask ? "255.255.255.0"
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/* To select interface to bind address to */
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,ifName ? "eth0"
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/*
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list of: {source, target}
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*/
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,additionalFiles ? []
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}:
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let
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ttyCount = lib.fold builtins.add 0 [
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(if rogueEnabled then 1 else 0)
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(if manualEnabled then 1 else 0)
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];
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systemPackBuilder = {suffix, configuration} :
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{
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system = (import ../system/system.nix) {
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inherit configuration platform; /* To refactor later - x86+x86_64 DVD */
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stage2Init = "/init"+suffix;
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};
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inherit suffix configuration;
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};
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systemPackGrubEntry = systemPack :
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(''
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title NixOS Installer / Rescue ${systemPack.system.config.boot.configurationName}
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kernel /boot/vmlinuz${systemPack.suffix} ${toString systemPack.system.config.boot.kernelParams} systemConfig=/system${systemPack.suffix}
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initrd /boot/initrd${systemPack.suffix}
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'');
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systemPackInstallRootList = systemPack :
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[
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{
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source = systemPack.system.kernel + "/vmlinuz";
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target = "boot/vmlinuz${systemPack.suffix}";
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}
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{
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source = systemPack.system.initialRamdisk + "/initrd";
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target = "boot/initrd${systemPack.suffix}";
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}
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];
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systemPackInstallClosures = systemPack :
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([
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{
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object = systemPack.system.bootStage2;
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symlink = "/init${systemPack.suffix}";
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}
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{
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object = systemPack.system.system;
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symlink = "/system${systemPack.suffix}";
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}
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]
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++
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(lib.optional includeStdenv
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# To speed up the installation, provide the full stdenv.
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{
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object = systemPack.system.pkgs.stdenv;
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symlink = "none";
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}
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)
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);
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systemPackInstallBuildClosure = systemPack :
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([
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{
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object = systemPack.system.system.drvPath;
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symlink = "none";
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}
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]);
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userEntry = user :
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{
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name = user;
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description = "NixOS Live Disk non-root user";
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home = "/home/${user}";
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createHome = true;
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group = "users";
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extraGroups = ["wheel" "audio"];
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shell = "/bin/sh";
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};
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in
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rec {
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nixpkgsRel = "nixpkgs" + (if networkNixpkgs != "" then "-" + networkNixpkgs else "");
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configuration = let preConfiguration ={
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boot = {
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isLiveCD = true;
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autoDetectRootDevice = true;
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# The label used to identify the installation CD.
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rootLabel = "NIXOS";
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extraTTYs = []
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++ (lib.optional manualEnabled 7)
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++ (lib.optional rogueEnabled 8);
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inherit kernelPackages;
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initrd = {
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extraKernelModules = extraInitrdKernelModules
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++ (if aufs then ["aufs"] else [])
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;
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};
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kernelModules = bootKernelModules;
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extraModulePackages = pkgs: ((extraModulePackages pkgs)
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++(if aufs then [(kernelPackages pkgs).aufs] else [])
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);
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};
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services = {
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sshd = { enable = sshdEnabled; };
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xserver = { enable = false; };
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extraJobs = [
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# Unpack the NixOS/Nixpkgs sources to /etc/nixos.
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{
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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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tar xjf /install/nixpkgs.tar.bz2 -C /etc/nixos
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tar xjf /install/nixos-services.tar.bz2 -C /etc/nixos
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mv /etc/nixos/nixpkgs-* /etc/nixos/nixpkgs || true
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mv /etc/nixos/*-nixpkgs /etc/nixos/nixpkgs || true
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mv /etc/nixos/*-services /etc/nixos/services || true
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ln -sfn ../nixpkgs/pkgs /etc/nixos/nixos/pkgs
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ln -sfn ../services /etc/nixos/services
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chown -R root.root /etc/nixos
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touch /etc/resolv.conf
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end script
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'';
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}
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]
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++
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(lib.optional manualEnabled
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# Show the NixOS manual on tty7.
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{
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name = "manual";
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job = ''
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start on udev
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stop on shutdown
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respawn ${pkgs.w3m}/bin/w3m ${manual} < /dev/tty7 > /dev/tty7 2>&1
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'';
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}
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)
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++
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(lib.optional rogueEnabled
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# Allow the user to do something useful on tty8 while waiting
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# for the installation to finish.
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{
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name = "rogue";
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job = ''
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start on udev
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stop on shutdown
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respawn ${pkgs.rogue}/bin/rogue < /dev/tty8 > /dev/tty8 2>&1
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'';
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}
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)
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++
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(lib.optional (addUsers != [])
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# Set empty passwords
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{
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name = "clear-passwords";
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job = ''
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start on startup
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script
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for i in ${lib.concatStringsSep " " addUsers}; do
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echo | ${pkgs.pwdutils}/bin/passwd --stdin $i
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done
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end script
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'';
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}
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)
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++
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(lib.optional (addIP != "")
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{
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name = "add-IP-adress";
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job = ''
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start on network-interfaces/started
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script
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${pkgs.nettools}/sbin/ifconfig ${ifName} add ${addIP} up
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${pkgs.nettools}/sbin/ifconfig ${ifName}:0 netmask ${netmask} up
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end script
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'';
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}
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)
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;
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# And a background to go with that.
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ttyBackgrounds = {
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specificThemes = []
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++
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(lib.optional manualEnabled
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{
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tty = 7;
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# Theme is GPL according to http://kde-look.org/content/show.php/Green?content=58501.
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theme = pkgs.fetchurl {
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url = http://www.kde-look.org/CONTENT/content-files/58501-green.tar.gz;
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sha256 = "0sdykpziij1f3w4braq8r8nqg4lnsd7i7gi1k5d7c31m2q3b9a7r";
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};
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}
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)
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++
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(lib.optional rogueEnabled
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{
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tty = 8;
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theme = pkgs.fetchurl {
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url = http://www.bootsplash.de/files/themes/Theme-GNU.tar.bz2;
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md5 = "61969309d23c631e57b0a311102ef034";
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};
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}
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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.
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''
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+(if addUsers != [] then
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'' These users also have empty passwords:
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${lib.concatStringsSep " " addUsers }
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''
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else "")
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+(if manualEnabled then " Press <Alt-F7> for help." else "");
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};
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};
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fonts = { enableFontConfig = fontConfigEnabled; };
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installer = {
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nixpkgsURL =
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(if networkNixpkgs != "" then http://nix.cs.uu.nl/dist/nix/ + nixpkgsRel
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else file:///mnt/ );
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};
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security = {
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sudo = { enable = sudoEnable; };
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};
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environment = {
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extraPackages = if cleanStart then pkgs:[] else pkgs: [
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pkgs.vim
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pkgs.subversion # for nixos-checkout
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pkgs.w3m # needed for the manual anyway
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] ++ (packages pkgs);
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checkConfigurationOptions = true;
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cleanStart = cleanStart;
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};
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users = {
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extraUsers = map userEntry addUsers;
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};
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}; in preConfiguration // (arbitraryOverrides preConfiguration);
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configurations = [{
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inherit configuration;
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suffix = "";
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}] ++ (configList configuration);
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systemPacks = map systemPackBuilder configurations;
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system = (builtins.head systemPacks).system; /* I hope this is unneeded */
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pkgs = system.pkgs; /* Nothing non-fixed should be built from it */
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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 = if builtins ? unsafeDiscardStringContext
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then "${import ../doc/manual}/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 '*~' \
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--exclude 'pkgs' --exclude 'result')
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'';
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makeNixPkgsTarball = tarName: input: ((pkgs.runCommand "tarball-nixpkgs" {inherit tarName;} ''
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ensureDir $out
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(cd ${input}/.. && tar cvfj $out/${tarName} $(basename ${input}) \
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--exclude '*~' \
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--exclude 'result')
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'')+"/${tarName}");
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# Put the current directory in a tarball (making sure to filter
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# out crap like the .svn directories).
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nixosTarball =
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let filter = name: type:
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let base = baseNameOf (toString name);
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in base != ".svn" && base != "result";
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in
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makeTarball "nixos.tar.bz2" (builtins.filterSource filter ./..);
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# Get a recent copy of Nixpkgs.
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nixpkgsTarball = if networkNixpkgs != "" then pkgs.fetchurl {
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url = configuration.installer.nixpkgsURL + "/" + nixpkgsRel + ".tar.bz2";
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md5 = "6a793b877e2a4fa79827515902e1dfd8";
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} else makeNixPkgsTarball "nixpkgs.tar.bz2" ("" + ./../../nixpkgs);
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nixosServicesTarball = makeNixPkgsTarball "nixos-services.tar.bz2" ("" + ./../../services);
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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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''+
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(lib.concatStrings (map systemPackGrubEntry systemPacks))
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+ (if includeMemtest then
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''
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title Memtest86+
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kernel /boot/memtest.bin
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'' else ""));
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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 (pkgs) stdenv perl cdrkit;
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isoName = "nixos-${platform}.iso";
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# Single files to be copied to fixed locations on the CD.
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contents = lib.uniqList {
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inputList = [
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{
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source = "${pkgs.grub}/lib/grub/i386-pc/stage2_eltorito";
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target = "boot/grub/stage2_eltorito";
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}
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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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]
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++
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(lib.concatLists (map systemPackInstallRootList systemPacks))
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++
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[
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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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{
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source = nixosTarball + "/" + nixosTarball.tarName;
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target = "/install/" + nixosTarball.tarName;
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}
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{
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source = nixpkgsTarball;
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target = "/install/nixpkgs.tar.bz2";
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}
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{
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source = nixosServicesTarball;
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target = "/install/nixos-services.tar.bz2";
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}
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{
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source = pkgs.writeText "label" "";
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target = "/${configuration.boot.rootLabel}";
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}
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]
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++
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(lib.optional includeMemtest
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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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)
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++
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additionalFiles
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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 = lib.uniqListExt {
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inputList= lib.concatLists
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(map systemPackInstallClosures systemPacks);
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getter = x : x.object.drvPath;
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compare = lib.eqStrings;
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};
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buildStoreContents = lib.uniqList
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{
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inputList=([]
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++
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(if includeBuildDeps then lib.concatLists
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(map systemPackInstallBuildClosure systemPacks)
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else [])
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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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};
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}
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