127 lines
3.9 KiB
Nix
127 lines
3.9 KiB
Nix
# This module contains the configuration for the NixOS installation CD.
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{config, pkgs, ...}:
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let
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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. !!! Once
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# we use squashfs, maybe we won't need this anymore.
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makeTarball = tarName: input: pkgs.runCommand "tarball" {inherit tarName;}
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''
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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" (pkgs.lib.cleanSource ../../..);
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# Put Nixpkgs in a tarball.
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nixpkgsTarball = makeTarball "nixpkgs.tar.bz2" (pkgs.lib.cleanSource pkgs.path);
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in
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{
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require = [./iso-image.nix];
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# Use Linux 2.6.29.
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boot.kernelPackages = pkgs.kernelPackages_2_6_29;
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# Don't include X libraries.
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services.sshd.forwardX11 = false;
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fonts.enableFontConfig = false;
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# Show the manual.
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services.showManual.enable = true;
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# Let the user play Rogue on TTY 8 during the installation.
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services.rogue.enable = true;
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# Disable some other stuff we don't need.
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security.sudo.enable = false;
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# Include only the en_US locale. This saves 75 MiB or so compared to
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# the full glibcLocales package.
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i18n.supportedLocales = ["en_US.UTF-8/UTF-8" "en_US/ISO-8859-1"];
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# Include some utilities that are useful for installing or repairing
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# the system.
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environment.systemPackages =
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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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# The initrd has to contain any module that might be necessary for
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# mounting the CD/DVD.
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boot.initrd.extraKernelModules =
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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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];
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# nixos-install will do a pull from this channel to speed up the
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# installation.
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installer.nixpkgsURL = http://nixos.org/releases/nixpkgs/channels/nixpkgs-unstable;
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# Provide the NixOS/Nixpkgs sources in /etc/nixos. This is required
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# for nixos-install.
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boot.postBootCommands =
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''
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export PATH=${pkgs.gnutar}/bin:${pkgs.bzip2}/bin:$PATH
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mkdir -p /mnt
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echo "unpacking the NixOS/Nixpkgs sources..."
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mkdir -p /etc/nixos/nixos
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tar xjf ${nixosTarball}/nixos.tar.bz2 -C /etc/nixos/nixos
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mkdir -p /etc/nixos/nixpkgs
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tar xjf ${nixpkgsTarball}/nixpkgs.tar.bz2 -C /etc/nixos/nixpkgs
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chown -R root.root /etc/nixos
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'';
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}
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