forked from dan/liminix
51 lines
1.5 KiB
Nix
51 lines
1.5 KiB
Nix
{
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config
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, pkgs
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, lib
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, ...
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}:
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let
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inherit (lib) mkIf mkOption types;
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in
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{
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imports = [
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./initramfs.nix
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];
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options.hardware.ubi = {
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minIOSize = mkOption { type = types.str; };
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eraseBlockSize = mkOption { type = types.str; }; # LEB
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maxLEBcount = mkOption { type = types.str; }; # LEB
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};
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config = mkIf (config.rootfsType == "ubifs") {
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kernel.config = {
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MTD_UBI="y";
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UBIFS_FS = "y";
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UBIFS_FS_SECURITY = "n";
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};
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boot.initramfs.enable = true;
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system.outputs = rec {
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systemConfiguration =
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pkgs.systemconfig config.filesystem.contents;
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rootfs =
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let
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inherit (pkgs.pkgsBuildBuild) runCommand mtdutils;
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cfg = config.hardware.ubi;
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in runCommand "mkfs.ubifs" {
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depsBuildBuild = [ mtdutils ];
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} ''
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mkdir -p $TMPDIR/empty/nix/store/ $TMPDIR/empty/secrets $TMPDIR/empty/boot
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cp ${systemConfiguration}/bin/activate $TMPDIR/empty/activate
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ln -s ${pkgs.s6-init-bin}/bin/init $TMPDIR/empty/init
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cp ${config.system.outputs.uimage} $TMPDIR/empty/boot/uimage
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mkdir -p $TMPDIR/empty/nix/store
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for path in $(cat ${systemConfiguration}/etc/nix-store-paths) ; do
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(cd $TMPDIR/empty && cp -a $path .$path)
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done
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mkfs.ubifs -x favor_lzo -c ${cfg.maxLEBcount} -m ${cfg.minIOSize} -e ${cfg.eraseBlockSize} -y -r $TMPDIR/empty --output $out --squash-uids -o $out
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'';
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};
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};
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}
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