liminix/modules/outputs/ubifs.nix
2023-12-11 21:21:12 +00:00

44 lines
1.1 KiB
Nix

{
config
, pkgs
, lib
, ...
}:
let
inherit (lib) mkIf mkOption types;
o = config.system.outputs;
in
{
imports = [
./initramfs.nix
];
options.hardware.ubi = {
minIOSize = mkOption { type = types.str; };
eraseBlockSize = mkOption { type = types.str; }; # LEB
maxLEBcount = mkOption { type = types.str; }; # LEB
};
config = mkIf (config.rootfsType == "ubifs") {
kernel.config = {
MTD_UBI="y";
UBIFS_FS = "y";
UBIFS_FS_SECURITY = "n";
};
boot.initramfs.enable = true;
system.outputs = {
systemConfiguration =
pkgs.systemconfig config.filesystem.contents;
rootfs =
let
inherit (pkgs.pkgsBuildBuild) runCommand mtdutils;
cfg = config.hardware.ubi;
in runCommand "mkfs.ubifs" {
depsBuildBuild = [ mtdutils ];
} ''
mkdir tmp
tree=${o.bootablerootdir}
mkfs.ubifs -x favor_lzo -c ${cfg.maxLEBcount} -m ${cfg.minIOSize} -e ${cfg.eraseBlockSize} -y -r $tree --output $out --squash-uids -o $out
'';
};
};
}