{ platform ? __currentSystem }: rec { nixpkgsRel = "nixpkgs"; configuration = { boot = { autoDetectRootDevice = true; readOnlyRoot = true; # The label used to identify the installation CD. rootLabel = "NIXOS"; }; services = { sshd = { enable = false; }; xserver = { enable = false; }; extraJobs = [ # Unpack the NixOS/Nixpkgs sources to /etc/nixos. { name = "unpack-sources"; job = " start on startup script export PATH=${pkgs.gnutar}/bin:${pkgs.bzip2}/bin:$PATH mkdir -p /etc/nixos/nixos tar xjf /nixos.tar.bz2 -C /etc/nixos/nixos mkdir -p /etc/nixos/nixpkgs tar xjf /nixpkgs.tar.bz2 -C /etc/nixos/nixpkgs mv /etc/nixos/nixpkgs-* /etc/nixos/nixpkgs || test -e /etc/nixos/nixpkgs ln -sfn ../nixpkgs/pkgs /etc/nixos/nixos/pkgs chown -R root.root /etc/nixos touch /etc/resolv.conf end script "; } # Allow the user to do something useful on tty8 while waiting # for the installation to finish. { name = "rogue"; job = " start on udev stop on shutdown respawn ${pkgs.rogue}/bin/rogue < /dev/tty8 > /dev/tty8 2>&1 "; } ]; # And a background to go with that. ttyBackgrounds = { specificThemes = [ { tty = 8; theme = pkgs.fetchurl { url = http://www.bootsplash.de/files/themes/Theme-GNU.tar.bz2; md5 = "61969309d23c631e57b0a311102ef034"; }; } ]; }; }; fonts = { enableFontConfig = true; }; installer = { manifests = [ file:///mnt/MANIFEST ]; nixpkgsURL = file:///mnt/ ; }; security = { sudo = { enable = true; }; }; environment = { extraPackages = pkgs: [ pkgs.vimDiet pkgs.irssi pkgs.elinks pkgs.ltrace pkgs.subversion pkgs.which pkgs.file pkgs.zip pkgs.unzip pkgs.unrar pkgs.usbutils pkgs.bc pkgs.cpio pkgs.ncat pkgs.patch pkgs.fuse pkgs.indent pkgs.zsh pkgs.hddtemp pkgs.hdparm pkgs.sdparm pkgs.sqlite pkgs.wpa_supplicant pkgs.lynx pkgs.db4 pkgs.rogue pkgs.attr pkgs.acl pkgs.automake pkgs.autoconf pkgs.libtool pkgs.gnupg pkgs.openssl pkgs.units pkgs.gnumake pkgs.manpages pkgs.cabextract pkgs.upstartJobControl pkgs.fpc pkgs.python pkgs.perl pkgs.lftp pkgs.wget pkgs.guile pkgs.utillinuxCurses pkgs.emacs ]; }; }; system = import ../system/system.nix { inherit configuration platform; stage2Init = "/init"; }; pkgs = system.pkgs; # Since the CD is read-only, the mount points must be on disk. cdMountPoints = pkgs.runCommand "mount-points" {} " ensureDir $out cd $out mkdir proc sys tmp etc dev var mnt nix nix/var root bin touch $out/${configuration.boot.rootLabel} "; # We need a copy of the Nix expressions for Nixpkgs and NixOS on the # CD. We put them in a tarball because accessing that many small # files from a slow device like a CD-ROM takes too long. makeTarball = tarName: input: pkgs.runCommand "tarball" {inherit tarName;} " ensureDir $out (cd ${input} && tar cvfj $out/${tarName} . \\ --exclude '*~' \\ --exclude 'result') "; makeTarballNixos = tarName: input: pkgs.runCommand "tarball" {inherit tarName;} " ensureDir $out (cd ${input} && tar cvfj $out/${tarName} . \\ --exclude '*~' \\ --exclude 'pkgs' --exclude 'result') "; # Put the current directory in a tarball (making sure to filter # out crap like the .svn directories). nixosTarball = let filter = name: type: let base = baseNameOf (toString name); in base != "result"; in makeTarballNixos "nixos.tar.bz2" (builtins.filterSource filter ./..); # Get a recent copy of Nixpkgs. nixpkgsTarball = /* /root/nixpkgs.tar.bz2; */ let filter = name: type: let base = baseNameOf (toString name); in base != "result"; in makeTarball "nixpkgs.tar.bz2" (builtins.filterSource filter /etc/nixos/nixpkgs); # The configuration file for isolinux. isolinuxCfg = pkgs.writeText "isolinux.cfg" " default linux prompt 1 timeout 60 label linux kernel vmlinuz append initrd=initrd ${toString (system.config.boot.kernelParams)} "; # Create an ISO image containing the isolinux boot loader, the # kernel, the initrd produced above, and the closure of the stage 2 # init. rescueCD = import ../helpers/make-iso9660-image.nix { inherit (pkgs) stdenv perl cdrtools; isoName = "nixos-${platform}.iso"; # Single files to be copied to fixed locations on the CD. contents = [ { source = pkgs.syslinux + "/lib/syslinux/isolinux.bin"; target = "isolinux/isolinux.bin"; } { source = isolinuxCfg; target = "isolinux/isolinux.cfg"; } { source = pkgs.kernel + "/vmlinuz"; target = "isolinux/vmlinuz"; } { source = system.initialRamdisk + "/initrd"; target = "isolinux/initrd"; } { source = cdMountPoints; target = "/"; } { source = nixosTarball + "/" + nixosTarball.tarName; target = "/" + nixosTarball.tarName; } { source = nixpkgsTarball + "/" +nixpkgsTarball.tarName; target = "/nixpkgs.tar.bz2"; } ]; # Closures to be copied to the Nix store on the CD. storeContents = [ { object = system.bootStage2; symlink = "/init"; } { object = system.system; symlink = "/system"; } # To speed up the installation, provide the full stdenv. { object = pkgs.stdenv; symlink = "none"; } ]; buildStoreContents = [ { object = system.system.drvPath; symlink = "none"; } ]; bootable = true; bootImage = "isolinux/isolinux.bin"; }; }