commit 46aad760018cf832d22e4be4799640a7b25f7eff · pyrox.dev/nixpkgs

+60 -20
nixos/modules/installer/cd-dvd/iso-image.nix
···

       4
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       {

     

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         config,

     

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         lib,

     

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       +
         utils,

     

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         pkgs,

     

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         ...

     

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       }:

     
···

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           # specified on the kernel command line, created in the stage 1

     

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           # init script.

     

       787
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           "/iso" = lib.mkImageMediaOverride {

     

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       788
       -
             device = "/dev/root";

     

       789
       789
       +
             device =

     

       790
       790
       +
               if config.boot.initrd.systemd.enable then

     

       791
       791
       +
                 "/dev/disk/by-label/${config.isoImage.volumeID}"

     

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       792
       +
               else

     

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       +
                 "/dev/root";

     

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             neededForBoot = true;

     

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             noCheck = true;

     

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           };

     
···

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           # image) to make this a live CD.

     

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           "/nix/.ro-store" = lib.mkImageMediaOverride {

     

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             fsType = "squashfs";

     

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       -
             device = "/iso/nix-store.squashfs";

     

       802
       802
       +
             device = "${lib.optionalString config.boot.initrd.systemd.enable "/sysroot"}/iso/nix-store.squashfs";

     

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             options = [

     

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               "loop"

     

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             ]

     
···

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           };

     

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           "/nix/store" = lib.mkImageMediaOverride {

     

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       -
             fsType = "overlay";

     

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       -
             device = "overlay";

     

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       -
             options = [

     

       815
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       -
               "lowerdir=/nix/.ro-store"

     

       816
       816
       -
               "upperdir=/nix/.rw-store/store"

     

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       -
               "workdir=/nix/.rw-store/work"

     

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       -
             ];

     

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       -
             depends = [

     

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       -
               "/nix/.ro-store"

     

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       -
               "/nix/.rw-store/store"

     

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               "/nix/.rw-store/work"

     

       823
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       -
             ];

     

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       +
             overlay = {

     

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       +
               lowerdir = [ "/nix/.ro-store" ];

     

       819
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       +
               upperdir = "/nix/.rw-store/store";

     

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       +
               workdir = "/nix/.rw-store/work";

     

       821
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       +
             };

     

       824
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           };

     

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         };

     

       826
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···

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           # UUID of the USB stick.  It would be nicer to write

     

       883
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           # `root=/dev/disk/by-label/...' here, but UNetbootin doesn't

     

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           # recognise that.

     

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       -
           boot.kernelParams = [

     

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       -
             "root=LABEL=${config.isoImage.volumeID}"

     

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       +
           boot.kernelParams = lib.optionals (!config.boot.initrd.systemd.enable) [

     

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             "boot.shell_on_fail"

     

       885
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       +
             "root=LABEL=${config.isoImage.volumeID}"

     

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           ];

     

       889
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           fileSystems = config.lib.isoFileSystems;

     
···

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             "overlay"

     

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           ];

     

       903
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       +
           boot.initrd.systemd = lib.mkIf config.boot.initrd.systemd.enable {

     

       903
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       +
             emergencyAccess = true;

     

       904
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       +
       

     

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       +
             # Most of util-linux is not included by default.

     

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       +
             initrdBin = [ config.boot.initrd.systemd.package.util-linux ];

     

       907
       907
       +
             services.copytoram = {

     

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       +
               description = "Copy ISO contents to RAM";

     

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       +
               requiredBy = [ "initrd.target" ];

     

       910
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       +
               before = [

     

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       +
                 "${utils.escapeSystemdPath "/sysroot/nix/.ro-store"}.mount"

     

       912
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       +
                 "initrd-switch-root.target"

     

       913
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       +
               ];

     

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       +
               unitConfig = {

     

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       +
                 RequiresMountsFor = "/sysroot/iso";

     

       916
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       +
                 ConditionKernelCommandLine = "copytoram";

     

       917
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       +
               };

     

       918
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       +
               serviceConfig = {

     

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       +
                 Type = "oneshot";

     

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       +
                 RemainAfterExit = true;

     

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       +
               };

     

       922
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       +
               path = [

     

       923
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       +
                 pkgs.coreutils

     

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       +
                 config.boot.initrd.systemd.package.util-linux

     

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       +
               ];

     

       926
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       +
               script = ''

     

       927
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       +
                 device=$(findmnt -n -o SOURCE --target /sysroot/iso)

     

       928
       928
       +
                 fsSize=$(blockdev --getsize64 "$device" || stat -Lc '%s' "$device")

     

       929
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       +
                 mkdir -p /tmp-iso

     

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       +
                 mount --bind --make-private /sysroot/iso /tmp-iso

     

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                 umount /sysroot/iso

     

       932
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                 mount -t tmpfs -o size="$fsSize" tmpfs /sysroot/iso

     

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                 cp -r /tmp-iso/* /sysroot/iso/

     

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                 umount /tmp-iso

     

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       +
                 rm -r /tmp-iso

     

       936
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       +
               '';

     

       937
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       +
             };

     

       938
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       +
           };

     

       939
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       +
       

     

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           # Closures to be copied to the Nix store on the CD, namely the init

     

       905
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           # script and the top-level system configuration directory.

     

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           isoImage.storeContents = [

     
···

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                 target = "/EFI";

     

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               }

     

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               {

     

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       -
                 source = (pkgs.writeTextDir "grub/loopback.cfg" "source /EFI/BOOT/grub.cfg") + "/grub";

     

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       -
                 target = "/boot/grub";

     

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       -
               }

     

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       -
               {

     

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                 source = config.isoImage.efiSplashImage;

     

       967
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                 target = "/EFI/BOOT/efi-background.png";

     

       1000
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       +
               }

     

       1001
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       +
             ]

     

       1002
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       +
             ++ lib.optionals (config.isoImage.makeEfiBootable && !config.boot.initrd.systemd.enable) [

     

       1003
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       +
               # http://www.supergrubdisk.org/wiki/Loopback.cfg

     

       1004
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       +
               # This feature will be removed, and thus is not supported by systemd initrd

     

       1005
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               {

     

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       +
                 source = (pkgs.writeTextDir "grub/loopback.cfg" "source /EFI/BOOT/grub.cfg") + "/grub";

     

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                 target = "/boot/grub";

     

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               }

     

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             ]

     

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             ++ lib.optionals (config.boot.loader.grub.memtest86.enable && config.isoImage.makeBiosBootable) [