75 lines
1.8 KiB
Nix
75 lines
1.8 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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cfg = config.boot.loader.petitboot;
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args = "-g ${toString cfg.configurationLimit} -n ${config.hardware.deviceTree.name}";
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# The installer used when running nixos-rebuild switch or similar
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installer = pkgs.replaceVarsWith {
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src = ./install-petitboot.sh;
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replacements = {
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bash = pkgs.bash;
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path = lib.makeBinPath [
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pkgs.coreutils
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pkgs.gnused
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pkgs.gnugrep
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];
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};
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name = "install-petitboot";
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isExecutable = true;
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};
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# The installer used to write to SD card images
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sdImageInstaller = pkgs.buildPackages.replaceVarsWith {
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src = ./install-petitboot.sh;
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replacements = {
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bash = pkgs.buildPackages.bash;
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path = lib.makeBinPath [
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pkgs.buildPackages.coreutils
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pkgs.buildPackages.gnused
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pkgs.buildPackages.gnugrep
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];
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};
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name = "install-petitboot-sd-image";
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isExecutable = true;
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};
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in
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{
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options = {
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boot.loader.petitboot = {
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enable = lib.mkOption {
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default = false;
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type = lib.types.bool;
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description = ''
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Whether to enable the Petitboot bootloader.
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'';
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};
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configurationLimit = lib.mkOption {
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default = 10;
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example = 5;
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type = lib.types.int;
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description = ''
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Maximum number of configurations to display when booting.
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'';
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};
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};
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};
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config = lib.mkMerge[
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(lib.mkIf config.boot.loader.petitboot.enable {
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system.build.installBootLoader = lib.mkForce "${installer} ${args} -c";
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system.boot.loader.id = "petitboot";
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})
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(lib.mkIf config.boot.loader.petitboot.enable && options ? sdImage {
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sdImage.populateRootCommands = lib.mkForce ''
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${sdImageInstaller} ${args} -c ${config.system.build.toplevel} -d ./files/kboot.conf
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''
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})
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];
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}
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