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https://github.com/NixOS/nixpkgs.git
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7297cc5501
The autoupgrade service defined in `system.autoUpgrade` (`nixos/modules/installer/tools/auto-upgrade.nix`) doesn't have `su` in its path and thus yields a warning during the `daemon-reload`. Specifying the absolute path fixes the issue. Fixes #47648
280 lines
8.8 KiB
Nix
280 lines
8.8 KiB
Nix
{ config, lib, pkgs, modules, baseModules, ... }:
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with lib;
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let
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# This attribute is responsible for creating boot entries for
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# child configuration. They are only (directly) accessible
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# when the parent configuration is boot default. For example,
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# you can provide an easy way to boot the same configuration
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# as you use, but with another kernel
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# !!! fix this
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cloner = inheritParent: list:
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map (childConfig:
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(import ../../../lib/eval-config.nix {
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inherit baseModules;
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modules =
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(optionals inheritParent modules)
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++ [ ./no-clone.nix ]
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++ [ childConfig ];
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}).config.system.build.toplevel
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) list;
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children =
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cloner false config.nesting.children
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++ cloner true config.nesting.clone;
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systemBuilder =
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let
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kernelPath = "${config.boot.kernelPackages.kernel}/" +
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"${config.system.boot.loader.kernelFile}";
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initrdPath = "${config.system.build.initialRamdisk}/" +
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"${config.system.boot.loader.initrdFile}";
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in ''
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mkdir $out
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# Containers don't have their own kernel or initrd. They boot
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# directly into stage 2.
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${optionalString (!config.boot.isContainer) ''
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if [ ! -f ${kernelPath} ]; then
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echo "The bootloader cannot find the proper kernel image."
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echo "(Expecting ${kernelPath})"
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false
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fi
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ln -s ${kernelPath} $out/kernel
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ln -s ${config.system.modulesTree} $out/kernel-modules
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${optionalString (pkgs.stdenv.hostPlatform.platform.kernelDTB or false) ''
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ln -s ${config.boot.kernelPackages.kernel}/dtbs $out/dtbs
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''}
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echo -n "$kernelParams" > $out/kernel-params
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ln -s ${initrdPath} $out/initrd
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ln -s ${config.system.build.initialRamdiskSecretAppender}/bin/append-initrd-secrets $out
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ln -s ${config.hardware.firmware}/lib/firmware $out/firmware
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''}
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echo "$activationScript" > $out/activate
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substituteInPlace $out/activate --subst-var out
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chmod u+x $out/activate
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unset activationScript
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cp ${config.system.build.bootStage2} $out/init
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substituteInPlace $out/init --subst-var-by systemConfig $out
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ln -s ${config.system.build.etc}/etc $out/etc
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ln -s ${config.system.path} $out/sw
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ln -s "$systemd" $out/systemd
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echo -n "$configurationName" > $out/configuration-name
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echo -n "systemd ${toString config.systemd.package.interfaceVersion}" > $out/init-interface-version
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echo -n "$nixosLabel" > $out/nixos-version
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echo -n "${pkgs.stdenv.hostPlatform.system}" > $out/system
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mkdir $out/fine-tune
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childCount=0
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for i in $children; do
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childCount=$(( childCount + 1 ))
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ln -s $i $out/fine-tune/child-$childCount
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done
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mkdir $out/bin
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export localeArchive="${config.i18n.glibcLocales}/lib/locale/locale-archive"
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substituteAll ${./switch-to-configuration.pl} $out/bin/switch-to-configuration
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chmod +x $out/bin/switch-to-configuration
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echo -n "${toString config.system.extraDependencies}" > $out/extra-dependencies
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${config.system.extraSystemBuilderCmds}
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'';
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# Putting it all together. This builds a store path containing
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# symlinks to the various parts of the built configuration (the
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# kernel, systemd units, init scripts, etc.) as well as a script
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# `switch-to-configuration' that activates the configuration and
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# makes it bootable.
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baseSystem = pkgs.stdenvNoCC.mkDerivation {
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name = let hn = config.networking.hostName;
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nn = if (hn != "") then hn else "unnamed";
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in "nixos-system-${nn}-${config.system.nixos.label}";
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preferLocalBuild = true;
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allowSubstitutes = false;
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buildCommand = systemBuilder;
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inherit (pkgs) utillinux coreutils;
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systemd = config.systemd.package;
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shell = "${pkgs.bash}/bin/sh";
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su = "${pkgs.shadow.su}/bin/su";
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inherit children;
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kernelParams = config.boot.kernelParams;
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installBootLoader =
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config.system.build.installBootLoader
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or "echo 'Warning: do not know how to make this configuration bootable; please enable a boot loader.' 1>&2; true";
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activationScript = config.system.activationScripts.script;
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nixosLabel = config.system.nixos.label;
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configurationName = config.boot.loader.grub.configurationName;
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# Needed by switch-to-configuration.
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perl = "${pkgs.perl}/bin/perl " + (concatMapStringsSep " " (lib: "-I${lib}/${pkgs.perl.libPrefix}") (with pkgs.perlPackages; [ FileSlurp NetDBus XMLParser XMLTwig ]));
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};
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# Handle assertions and warnings
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failedAssertions = map (x: x.message) (filter (x: !x.assertion) config.assertions);
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showWarnings = res: fold (w: x: builtins.trace "[1;31mwarning: ${w}[0m" x) res config.warnings;
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baseSystemAssertWarn = if failedAssertions != []
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then throw "\nFailed assertions:\n${concatStringsSep "\n" (map (x: "- ${x}") failedAssertions)}"
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else showWarnings baseSystem;
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# Replace runtime dependencies
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system = fold ({ oldDependency, newDependency }: drv:
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pkgs.replaceDependency { inherit oldDependency newDependency drv; }
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) baseSystemAssertWarn config.system.replaceRuntimeDependencies;
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in
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{
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options = {
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system.build = mkOption {
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internal = true;
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default = {};
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type = types.attrs;
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description = ''
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Attribute set of derivations used to setup the system.
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'';
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};
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nesting.children = mkOption {
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default = [];
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description = ''
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Additional configurations to build.
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'';
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};
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nesting.clone = mkOption {
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default = [];
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description = ''
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Additional configurations to build based on the current
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configuration which then has a lower priority.
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To switch to a cloned configuration (e.g. <literal>child-1</literal>)
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at runtime, run
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<programlisting>
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# sudo /run/current-system/fine-tune/child-1/bin/switch-to-configuration test
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</programlisting>
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'';
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};
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system.boot.loader.id = mkOption {
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internal = true;
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default = "";
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description = ''
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Id string of the used bootloader.
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'';
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};
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system.boot.loader.kernelFile = mkOption {
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internal = true;
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default = pkgs.stdenv.hostPlatform.platform.kernelTarget;
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type = types.str;
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description = ''
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Name of the kernel file to be passed to the bootloader.
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'';
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};
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system.boot.loader.initrdFile = mkOption {
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internal = true;
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default = "initrd";
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type = types.str;
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description = ''
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Name of the initrd file to be passed to the bootloader.
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'';
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};
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system.copySystemConfiguration = mkOption {
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type = types.bool;
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default = false;
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description = ''
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If enabled, copies the NixOS configuration file
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(usually <filename>/etc/nixos/configuration.nix</filename>)
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and links it from the resulting system
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(getting to <filename>/run/current-system/configuration.nix</filename>).
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Note that only this single file is copied, even if it imports others.
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'';
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};
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system.extraSystemBuilderCmds = mkOption {
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type = types.lines;
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internal = true;
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default = "";
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description = ''
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This code will be added to the builder creating the system store path.
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'';
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};
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system.extraDependencies = mkOption {
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type = types.listOf types.package;
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default = [];
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description = ''
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A list of packages that should be included in the system
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closure but not otherwise made available to users. This is
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primarily used by the installation tests.
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'';
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};
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system.replaceRuntimeDependencies = mkOption {
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default = [];
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example = lib.literalExample "[ ({ original = pkgs.openssl; replacement = pkgs.callPackage /path/to/openssl { }; }) ]";
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type = types.listOf (types.submodule (
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{ ... }: {
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options.original = mkOption {
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type = types.package;
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description = "The original package to override.";
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};
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options.replacement = mkOption {
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type = types.package;
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description = "The replacement package.";
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};
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})
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);
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apply = map ({ original, replacement, ... }: {
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oldDependency = original;
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newDependency = replacement;
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});
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description = ''
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List of packages to override without doing a full rebuild.
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The original derivation and replacement derivation must have the same
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name length, and ideally should have close-to-identical directory layout.
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'';
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};
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};
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config = {
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system.extraSystemBuilderCmds =
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optionalString
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config.system.copySystemConfiguration
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''ln -s '${import ../../../lib/from-env.nix "NIXOS_CONFIG" <nixos-config>}' \
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"$out/configuration.nix"
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'';
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system.build.toplevel = system;
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};
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}
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