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nixos/generic-extlinux-compatible: add mirroredBoots option (#335131)

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Jörg Thalheim 2024-09-18 14:08:31 +02:00 committed by GitHub
commit d66f976cee
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1 changed files with 41 additions and 1 deletions
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42
nixos/modules/system/boot/loader/generic-extlinux-compatible/default.nix
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@ -54,6 +54,30 @@ in
'';
};
mirroredBoots = mkOption {
default = [ { path = "/boot"; } ];
example = [
{ path = "/boot1"; }
{ path = "/boot2"; }
];
description = ''
Mirror the boot configuration to multiple paths.
'';
type = with types; listOf (submodule {
options = {
path = mkOption {
example = "/boot1";
type = types.str;
description = ''
The path to the boot directory where the extlinux-compatible
configuration files will be written.
'';
};
};
});
};
populateCmd = mkOption {
type = types.str;
readOnly = true;
@ -72,11 +96,27 @@ in
builderArgs = "-g ${toString cfg.configurationLimit} -t ${timeoutStr}"
+ lib.optionalString (dtCfg.name != null) " -n ${dtCfg.name}"
+ lib.optionalString (!cfg.useGenerationDeviceTree) " -r";
installBootLoader = pkgs.writeScript "install-extlinux-conf.sh" (''
#!${pkgs.runtimeShell}
set -e
'' + flip concatMapStrings cfg.mirroredBoots (args: ''
${builder} ${builderArgs} -d '${args.path}' -c "$@"
''));
in
mkIf cfg.enable {
system.build.installBootLoader = "${builder} ${builderArgs} -c";
system.build.installBootLoader = installBootLoader;
system.boot.loader.id = "generic-extlinux-compatible";
boot.loader.generic-extlinux-compatible.populateCmd = "${populateBuilder} ${builderArgs}";
assertions = [
{
assertion = cfg.mirroredBoots != [ ];
message = ''
You must not remove all elements from option 'boot.loader.generic-extlinux-compatible.mirroredBoots',
otherwise the system will not be bootable.
'';
}
];
};
}