nixpkgs/nixos/modules/system/boot/loader/init-script/init-script.nix
Wolfgang Walther e58e0c158e
various: replace substituteAll with replaceVarsWith
This covers cases which need to use replaceVarsWith because the use
isExecutable = true.
2024-12-15 13:35:30 +01:00

62 lines
1.2 KiB
Nix

{
config,
lib,
pkgs,
...
}:
with lib;
let
initScriptBuilder = pkgs.replaceVarsWith {
src = ./init-script-builder.sh;
isExecutable = true;
replacements = {
inherit (pkgs) bash;
inherit (config.system.nixos) distroName;
path = lib.makeBinPath [
pkgs.coreutils
pkgs.gnused
pkgs.gnugrep
];
};
};
in
{
###### interface
options = {
boot.loader.initScript = {
enable = mkOption {
default = false;
type = types.bool;
description = ''
Some systems require a /sbin/init script which is started.
Or having it makes starting NixOS easier.
This applies to some kind of hosting services and user mode linux.
Additionally this script will create
/boot/init-other-configurations-contents.txt containing
contents of remaining configurations. You can copy paste them into
/sbin/init manually running a rescue system or such.
'';
};
};
};
###### implementation
config = mkIf config.boot.loader.initScript.enable {
system.build.installBootLoader = initScriptBuilder;
};
}