commit 982ce5ed589987bff22019e19f6feddf3609cb58 · pyrox.dev/nixpkgs

+88

nixos/lib/make-ext4-fs.nix

···

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       # Builds an ext4 image containing a populated /nix/store with the closure

     

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       # of store paths passed in the storePaths parameter. The generated image

     

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       # is sized to only fit its contents, with the expectation that a script

     

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       # resizes the filesystem at boot time.

     

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       { pkgs

     

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       , storePaths

     

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       , volumeLabel

     

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       }:

     

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       +
       

     

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       pkgs.stdenv.mkDerivation {

     

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         name = "ext4-fs.img";

     

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       +
       

     

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         buildInputs = with pkgs; [e2fsprogs libfaketime perl];

     

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       +
       

     

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         # For obtaining the closure of `storePaths'.

     

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         exportReferencesGraph =

     

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           map (x: [("closure-" + baseNameOf x) x]) storePaths;

     

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       +
       

     

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         buildCommand =

     

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           ''

     

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             # Add the closures of the top-level store objects.

     

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             storePaths=$(perl ${pkgs.pathsFromGraph} closure-*)

     

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       +
       

     

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             # Also include a manifest of the closures in a format suitable

     

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             # for nix-store --load-db.

     

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             printRegistration=1 perl ${pkgs.pathsFromGraph} closure-* > nix-path-registration

     

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       +
       

     

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             # Make a crude approximation of the size of the target image.

     

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             # If the script starts failing, increase the fudge factors here.

     

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             numInodes=$(find $storePaths | wc -l)

     

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             numDataBlocks=$(du -c -B 4096 --apparent-size $storePaths | awk '$2 == "total" { print int($1 * 1.03) }')

     

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             bytes=$((2 * 4096 * $numInodes + 4096 * $numDataBlocks))

     

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             echo "Creating an EXT4 image of $bytes bytes (numInodes=$numInodes, numDataBlocks=$numDataBlocks)"

     

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       +
       

     

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             truncate -s $bytes $out

     

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             faketime "1970-01-01 00:00:00" mkfs.ext4 -L ${volumeLabel} -U 44444444-4444-4444-8888-888888888888 $out

     

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       +
       

     

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             # Populate the image contents by piping a bunch of commands to the `debugfs` tool from e2fsprogs.

     

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             # For example, to copy /nix/store/abcd...efg-coreutils-8.23/bin/sleep:

     

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             #   cd /nix/store/abcd...efg-coreutils-8.23/bin

     

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             #   write /nix/store/abcd...efg-coreutils-8.23/bin/sleep sleep

     

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             #   sif sleep mode 040555

     

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             #   sif sleep gid 30000

     

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             # In particular, debugfs doesn't handle absolute target paths; you have to 'cd' in the virtual

     

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             # filesystem first. Likewise the intermediate directories must already exist (using `find`

     

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             # handles that for us). And when setting the file's permissions, the inode type flags (__S_IFDIR,

     

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             # __S_IFREG) need to be set as well.

     

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             (

     

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               echo write nix-path-registration nix-path-registration

     

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               echo mkdir nix

     

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               echo cd /nix

     

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               echo mkdir store

     

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       +
       

     

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               # XXX: This explodes in exciting ways if anything in /nix/store has a space in it.

     

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               find $storePaths -printf '%y %f %h %m\n'| while read -r type file dir perms; do

     

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                 # echo "TYPE=$type DIR=$dir FILE=$file PERMS=$perms" >&2

     

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       +
       

     

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                 echo "cd $dir"

     

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                 case $type in

     

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                   d)

     

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                     echo "mkdir $file"

     

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                     echo sif $file mode $((040000 | 0$perms)) # magic constant is __S_IFDIR

     

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                     ;;

     

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                   f)

     

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                     echo "write $dir/$file $file"

     

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                     echo sif $file mode $((0100000 | 0$perms)) # magic constant is __S_IFREG

     

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                     ;;

     

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                   l)

     

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                     echo "symlink $file $(readlink "$dir/$file")"

     

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                     ;;

     

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                   *)

     

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                     echo "Unknown entry: $type $dir $file $perms" >&2

     

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                     exit 1

     

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                     ;;

     

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                 esac

     

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       +
       

     

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                 echo sif $file gid 30000 # chgrp to nixbld

     

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               done

     

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             ) | faketime "1970-01-01 00:00:00" debugfs -w $out -f /dev/stdin > errorlog 2>&1

     

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       +
       

     

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             # The debugfs tool doesn't terminate on error nor exit with a non-zero status. Check manually.

     

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             if egrep -q 'Could not allocate|File not found' errorlog; then

     

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               cat errorlog

     

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               echo "--- Failed to create EXT4 image of $bytes bytes (numInodes=$numInodes, numDataBlocks=$numDataBlocks) ---"

     

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               return 1

     

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             fi

     

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           '';

     

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       }

+40

nixos/modules/installer/cd-dvd/sd-image-armv7l-multiplatform.nix

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       { config, lib, pkgs, ... }:

     

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       let

     

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         extlinux-conf-builder =

     

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           import ../../system/boot/loader/generic-extlinux-compatible/extlinux-conf-builder.nix {

     

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             inherit pkgs;

     

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           };

     

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       in

     

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       {

     

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         imports = [

     

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           ../../profiles/minimal.nix

     

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           ../../profiles/installation-device.nix

     

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           ./sd-image.nix

     

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         ];

     

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         assertions = lib.singleton {

     

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           assertion = pkgs.stdenv.system == "armv7l-linux";

     

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           message = "sd-image-armv7l-multiplatform.nix can be only built natively on ARMv7; " +

     

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             "it cannot be cross compiled";

     

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         };

     

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         boot.loader.grub.enable = false;

     

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         boot.loader.generic-extlinux-compatible.enable = true;

     

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         # FIXME: change this to linuxPackages_latest once v4.2 is out

     

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         boot.kernelPackages = pkgs.linuxPackages_testing;

     

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         boot.kernelParams = ["console=ttyS0,115200n8" "console=ttyAMA0,115200n8" "console=tty0"];

     

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         # FIXME: fix manual evaluation on ARM

     

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         services.nixosManual.enable = lib.mkOverride 0 false;

     

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         # FIXME: this probably should be in installation-device.nix

     

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         users.extraUsers.root.initialHashedPassword = "";

     

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         sdImage = {

     

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           populateBootCommands = ''

     

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               ${extlinux-conf-builder} -t 3 -c ${config.system.build.toplevel} -d ./boot

     

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           '';

     

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         };

     

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       }

+46

nixos/modules/installer/cd-dvd/sd-image-raspberrypi.nix

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       { config, lib, pkgs, ... }:

     

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       let

     

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         extlinux-conf-builder =

     

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           import ../../system/boot/loader/generic-extlinux-compatible/extlinux-conf-builder.nix {

     

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             inherit pkgs;

     

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           };

     

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       in

     

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       {

     

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         imports = [

     

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           ../../profiles/minimal.nix

     

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           ../../profiles/installation-device.nix

     

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           ./sd-image.nix

     

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         ];

     

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         assertions = lib.singleton {

     

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           assertion = pkgs.stdenv.system == "armv6l-linux";

     

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           message = "sd-image-raspberrypi.nix can be only built natively on ARMv6; " +

     

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             "it cannot be cross compiled";

     

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         };

     

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         # Needed by RPi firmware

     

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         nixpkgs.config.allowUnfree = true;

     

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       +
       

     

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         boot.loader.grub.enable = false;

     

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         boot.loader.generic-extlinux-compatible.enable = true;

     

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         boot.kernelPackages = pkgs.linuxPackages_rpi;

     

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         # FIXME: fix manual evaluation on ARM

     

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         services.nixosManual.enable = lib.mkOverride 0 false;

     

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         # FIXME: this probably should be in installation-device.nix

     

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         users.extraUsers.root.initialHashedPassword = "";

     

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         sdImage = {

     

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           populateBootCommands = ''

     

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             for f in bootcode.bin fixup.dat start.elf; do

     

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               cp ${pkgs.raspberrypifw}/share/raspberrypi/boot/$f boot/

     

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             done

     

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             cp ${pkgs.ubootRaspberryPi}/u-boot.bin boot/u-boot-rpi.bin

     

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             echo 'kernel u-boot-rpi.bin' > boot/config.txt

     

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             ${extlinux-conf-builder} -t 3 -c ${config.system.build.toplevel} -d ./boot

     

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           '';

     

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         };

     

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       }

+127

nixos/modules/installer/cd-dvd/sd-image.nix

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       # This module creates a bootable SD card image containing the given NixOS

     

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       # configuration. The generated image is MBR partitioned, with a FAT /boot

     

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       # partition, and ext4 root partition. The generated image is sized to fit

     

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       # its contents, and a boot script automatically resizes the root partition

     

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       # to fit the device on the first boot.

     

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       #

     

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       # The derivation for the SD image will be placed in

     

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       # config.system.build.sdImage

     

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       { config, lib, pkgs, ... }:

     

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       with lib;

     

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       let

     

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         rootfsImage = import ../../../lib/make-ext4-fs.nix {

     

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           inherit pkgs;

     

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           inherit (config.sdImage) storePaths;

     

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           volumeLabel = "NIXOS_SD";

     

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         };

     

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       in

     

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       {

     

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         options.sdImage = {

     

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           storePaths = mkOption {

     

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             type = with types; listOf package;

     

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             example = literalExample "[ pkgs.stdenv ]";

     

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             description = ''

     

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               Derivations to be included in the Nix store in the generated SD image.

     

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             '';

     

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           };

     

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       +
       

     

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           bootSize = mkOption {

     

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             type = types.int;

     

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             default = 128;

     

       34
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             description = ''

     

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               Size of the /boot partition, in megabytes.

     

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             '';

     

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           };

     

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       +
       

     

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           populateBootCommands = mkOption {

     

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             example = literalExample "'' cp \${pkgs.myBootLoader}/u-boot.bin boot/ ''";

     

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             description = ''

     

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               Shell commands to populate the ./boot directory.

     

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               All files in that directory are copied to the

     

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               /boot partition on the SD image.

     

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             '';

     

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           };

     

       47
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         };

     

       48
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       +
       

     

       49
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         config = {

     

       50
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           fileSystems = {

     

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             "/boot" = {

     

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               device = "/dev/disk/by-label/NIXOS_BOOT";

     

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               fsType = "vfat";

     

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             };

     

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             "/" = {

     

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               device = "/dev/disk/by-label/NIXOS_SD";

     

       57
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               fsType = "ext4";

     

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             };

     

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       +
           };

     

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       +
       

     

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           sdImage.storePaths = [ config.system.build.toplevel ];

     

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       +
       

     

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           system.build.sdImage = pkgs.stdenv.mkDerivation {

     

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             name = "sd-image-${pkgs.stdenv.system}.img";

     

       65
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       +
       

     

       66
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             buildInputs = with pkgs; [ dosfstools e2fsprogs mtools libfaketime utillinux ];

     

       67
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       +
       

     

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             buildCommand = ''

     

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               # Create the image file sized to fit /boot and /, plus 4M of slack

     

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               rootSizeBlocks=$(du -B 512 --apparent-size ${rootfsImage} | awk '{ print $1 }')

     

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               bootSizeBlocks=$((${toString config.sdImage.bootSize} * 1024 * 1024 / 512))

     

       72
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       +
               imageSize=$((rootSizeBlocks * 512 + bootSizeBlocks * 512 + 4096 * 1024))

     

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       +
               truncate -s $imageSize $out

     

       74
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       +
       

     

       75
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       +
               # type=b is 'W95 FAT32', type=83 is 'Linux'.

     

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               sfdisk $out <<EOF

     

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       +
                   label: dos

     

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       +
                   label-id: 0x2178694e

     

       79
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       +
       

     

       80
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                   start=1M, size=$bootSizeBlocks, type=b, bootable

     

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       +
                   type=83

     

       82
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       +
               EOF

     

       83
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       +
       

     

       84
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       +
               # Copy the rootfs into the SD image

     

       85
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       +
               eval $(partx $out -o START,SECTORS --nr 2 --pairs)

     

       86
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       +
               dd conv=notrunc if=${rootfsImage} of=$out seek=$START count=$SECTORS

     

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       +
       

     

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               # Create a FAT32 /boot partition of suitable size into bootpart.img

     

       89
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       +
               eval $(partx $out -o START,SECTORS --nr 1 --pairs)

     

       90
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               truncate -s $((SECTORS * 512)) bootpart.img

     

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               faketime "1970-01-01 00:00:00" mkfs.vfat -i 0x2178694e -n NIXOS_BOOT bootpart.img

     

       92
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       +
       

     

       93
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       +
               # Populate the files intended for /boot

     

       94
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       +
               mkdir boot

     

       95
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       +
               ${config.sdImage.populateBootCommands}

     

       96
       96
       +
       

     

       97
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       +
               # Copy the populated /boot into the SD image

     

       98
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       +
               (cd boot; mcopy -bpsvm -i ../bootpart.img ./* ::)

     

       99
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       +
               dd conv=notrunc if=bootpart.img of=$out seek=$START count=$SECTORS

     

       100
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       +
             '';

     

       101
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       +
           };

     

       102
       102
       +
       

     

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       +
           boot.postBootCommands = ''

     

       104
       104
       +
             # On the first boot do some maintenance tasks

     

       105
       105
       +
             if [ -f /nix-path-registration ]; then

     

       106
       106
       +
               # Figure out device names for the boot device and root filesystem.

     

       107
       107
       +
               rootPart=$(readlink -f /dev/disk/by-label/NIXOS_SD)

     

       108
       108
       +
               bootDevice=$(lsblk -npo PKNAME $rootPart)

     

       109
       109
       +
       

     

       110
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       +
               # Resize the root partition and the filesystem to fit the disk

     

       111
       111
       +
               echo ",+," | sfdisk -N2 --no-reread $bootDevice

     

       112
       112
       +
               ${pkgs.parted}/bin/partprobe

     

       113
       113
       +
               ${pkgs.e2fsprogs}/bin/resize2fs $rootPart

     

       114
       114
       +
       

     

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       115
       +
               # Register the contents of the initial Nix store

     

       116
       116
       +
               ${config.nix.package}/bin/nix-store --load-db < /nix-path-registration

     

       117
       117
       +
       

     

       118
       118
       +
               # nixos-rebuild also requires a "system" profile and an /etc/NIXOS tag.

     

       119
       119
       +
               touch /etc/NIXOS

     

       120
       120
       +
               ${config.nix.package}/bin/nix-env -p /nix/var/nix/profiles/system --set /run/current-system

     

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       121
       +
       

     

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       +
               # Prevents this from running on later boots.

     

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       +
               rm -f /nix-path-registration

     

       124
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       +
             fi

     

       125
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       +
           '';

     

       126
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       +
         };

     

       127
       127
       +
       }

nixos/modules/services/misc/rogue.nix

···

       52
       52
        
                   TTYPath = "/dev/${cfg.tty}";

     

       53
       53
        
                   TTYReset = true;

     

       54
       54
        
                   TTYVTDisallocate = true;

     

       55
       55
       +
                   WorkingDirectory = "/tmp";

     

       55
       56
        
                   Restart = "always";

     

       56
       57
        
                 };

     

       57
       58
        
             };

+2 -1

nixos/modules/system/boot/loader/generic-extlinux-compatible/extlinux-conf-builder.nix

···

       3
       3
        
       pkgs.substituteAll {

     

       4
       4
        
         src = ./extlinux-conf-builder.sh;

     

       5
       5
        
         isExecutable = true;

     

       6
       6
       +
         path = [pkgs.coreutils pkgs.gnused pkgs.gnugrep];

     

       6
       7
        
         inherit (pkgs) bash;

     

       7
       7
       -
         path = [pkgs.coreutils pkgs.gnused pkgs.gnugrep];

     

       8
       8
       +
         kernelDTB = pkgs.stdenv.platform.kernelDTB or false;

     

       8
       9
        
       }

+22 -14

nixos/modules/system/boot/loader/generic-extlinux-compatible/extlinux-conf-builder.sh

···

       75
       75
        
       

     

       76
       76
        
           copyToKernelsDir "$path/kernel"; kernel=$result

     

       77
       77
        
           copyToKernelsDir "$path/initrd"; initrd=$result

     

       78
       78
       -
           # XXX UGLY: maybe the system config should have a top-level "dtbs" entry?

     

       79
       79
       -
           copyToKernelsDir $(readlink -m "$path/kernel/../dtbs"); dtbs=$result

     

       78
       78
       +
           if [ -n "@kernelDTB@" ]; then

     

       79
       79
       +
               # XXX UGLY: maybe the system config should have a top-level "dtbs" entry?

     

       80
       80
       +
               copyToKernelsDir $(readlink -m "$path/kernel/../dtbs"); dtbs=$result

     

       81
       81
       +
           fi

     

       80
       82
        
       

     

       81
       83
        
           timestampEpoch=$(stat -L -c '%Z' $path)

     

       82
       84
        
       

     
···

       93
       95
        
           fi

     

       94
       96
        
           echo "  LINUX ../nixos/$(basename $kernel)"

     

       95
       97
        
           echo "  INITRD ../nixos/$(basename $initrd)"

     

       96
       96
       -
           echo "  FDTDIR ../nixos/$(basename $dtbs)"

     

       98
       98
       +
           if [ -n "@kernelDTB@" ]; then

     

       99
       99
       +
               echo "  FDTDIR ../nixos/$(basename $dtbs)"

     

       100
       100
       +
           fi

     

       97
       101
        
           echo "  APPEND systemConfig=$path init=$path/init $extraParams"

     

       98
       102
        
       }

     

       99
       103
        
       

     
···

       105
       109
        
       # Change this to e.g. nixos-42 to temporarily boot to an older configuration.

     

       106
       110
        
       DEFAULT nixos-default

     

       107
       111
        
       

     

       112
       112
       +
       MENU TITLE ------------------------------------------------------------

     

       108
       113
        
       TIMEOUT $timeout

     

       109
       109
       -
       $(addEntry $default default)

     

       110
       114
        
       EOF

     

       111
       115
        
       

     

       112
       112
       -
       # Add up to $numGenerations generations of the system profile to the menu,

     

       113
       113
       -
       # in reverse (most recent to least recent) order.

     

       114
       114
       -
       for generation in $(

     

       115
       115
       -
               (cd /nix/var/nix/profiles && ls -d system-*-link) \

     

       116
       116
       -
               | sed 's/system-\([0-9]\+\)-link/\1/' \

     

       117
       117
       -
               | sort -n -r \

     

       118
       118
       -
               | head -n $numGenerations); do

     

       119
       119
       -
           link=/nix/var/nix/profiles/system-$generation-link

     

       120
       120
       -
           addEntry $link $generation

     

       121
       121
       -
       done >> $tmpFile

     

       116
       116
       +
       addEntry $default default >> $tmpFile

     

       117
       117
       +
       

     

       118
       118
       +
       if [ "$numGenerations" -gt 0 ]; then

     

       119
       119
       +
           # Add up to $numGenerations generations of the system profile to the menu,

     

       120
       120
       +
           # in reverse (most recent to least recent) order.

     

       121
       121
       +
           for generation in $(

     

       122
       122
       +
                   (cd /nix/var/nix/profiles && ls -d system-*-link) \

     

       123
       123
       +
                   | sed 's/system-\([0-9]\+\)-link/\1/' \

     

       124
       124
       +
                   | sort -n -r \

     

       125
       125
       +
                   | head -n $numGenerations); do

     

       126
       126
       +
               link=/nix/var/nix/profiles/system-$generation-link

     

       127
       127
       +
               addEntry $link $generation

     

       128
       128
       +
           done >> $tmpFile

     

       129
       129
       +
       fi

     

       122
       130
        
       

     

       123
       131
        
       mv -f $tmpFile $target/extlinux/extlinux.conf

     

       124
       132

pkgs/os-specific/linux/kernel/common-config.nix

···

       338
       338
        
         X86_MCE y

     

       339
       339
        
       

     

       340
       340
        
         # Linux containers.

     

       341
       341
       +
         NAMESPACES? y #  Required by 'unshare' used by 'nixos-install'

     

       341
       342
        
         RT_GROUP_SCHED? y

     

       342
       343
        
         CGROUP_DEVICE? y

     

       343
       344
        
         ${if versionAtLeast version "3.6" then ''

+1 -1

pkgs/os-specific/linux/kernel/linux-rpi.nix

···

       7
       7
        
       in import ./generic.nix (args // rec {

     

       8
       8
        
         version = "3.18.y-${rev}";

     

       9
       9
        
       

     

       10
       10
       -
         modDirVersion = "3.18.7-v7";

     

       10
       10
       +
         modDirVersion = "3.18.7";

     

       11
       11
        
       

     

       12
       12
        
         src = fetchurl {

     

       13
       13
        
           url = "https://api.github.com/repos/raspberrypi/linux/tarball/${rev}";