mirror of
https://github.com/NixOS/nixpkgs.git
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85 lines
2.7 KiB
Nix
85 lines
2.7 KiB
Nix
{ config, pkgs, ... }:
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with pkgs.lib;
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{
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system.build.virtualBoxImage =
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pkgs.vmTools.runInLinuxVM (
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pkgs.runCommand "virtualbox-image"
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{ preVM =
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''
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mkdir $out
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diskImage=$out/image
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${pkgs.vmTools.kvm}/bin/qemu-img create -f raw $diskImage "4G"
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mv closure xchg/
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'';
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postVM =
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''
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${pkgs.vmTools.kvm}/bin/qemu-img convert -f raw -O vdi $diskImage $out/disk.vdi
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rm $diskImage
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'';
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buildInputs = [ pkgs.utillinux pkgs.perl ];
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exportReferencesGraph =
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[ "closure" config.system.build.toplevel ];
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}
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''
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# Create a single / partition.
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${pkgs.parted}/sbin/parted /dev/vda mklabel msdos
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${pkgs.parted}/sbin/parted /dev/vda -- mkpart primary ext2 1M -1s
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. /sys/class/block/vda1/uevent
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mknod /dev/vda1 b $MAJOR $MINOR
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# Create an empty filesystem and mount it.
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${pkgs.e2fsprogs}/sbin/mkfs.ext3 -L nixos /dev/vda1
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${pkgs.e2fsprogs}/sbin/tune2fs -c 0 -i 0 /dev/vda1
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mkdir /mnt
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mount /dev/vda1 /mnt
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# The initrd expects these directories to exist.
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mkdir /mnt/dev /mnt/proc /mnt/sys
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mount --bind /proc /mnt/proc
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mount --bind /dev /mnt/dev
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mount --bind /sys /mnt/sys
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# Copy all paths in the closure to the filesystem.
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storePaths=$(perl ${pkgs.pathsFromGraph} /tmp/xchg/closure)
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mkdir -p /mnt/nix/store
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${pkgs.rsync}/bin/rsync -av $storePaths /mnt/nix/store/
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# Register the paths in the Nix database.
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printRegistration=1 perl ${pkgs.pathsFromGraph} /tmp/xchg/closure | \
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chroot /mnt ${config.environment.nix}/bin/nix-store --load-db
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# Create the system profile to allow nixos-rebuild to work.
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chroot /mnt ${config.environment.nix}/bin/nix-env \
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-p /nix/var/nix/profiles/system --set ${config.system.build.toplevel}
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# `nixos-rebuild' requires an /etc/NIXOS.
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mkdir -p /mnt/etc
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touch /mnt/etc/NIXOS
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# Install a configuration.nix.
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mkdir -p /mnt/etc/nixos
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cp ${./nova-config.nix} /mnt/etc/nixos/configuration.nix
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# Generate the GRUB menu.
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chroot /mnt ${config.system.build.toplevel}/bin/switch-to-configuration boot
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umount /mnt/proc /mnt/dev /mnt/sys
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umount /mnt
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''
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);
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fileSystems =
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[ { mountPoint = "/";
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device = "/dev/disk/by-label/nixos";
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}
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];
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boot.loader.grub.version = 2;
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boot.loader.grub.device = "/dev/vda";
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services.virtualbox.enable = true;
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}
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