Shea Levy 9b4991d3f4 Fix btrfs in the initrd.
With NixOS/nixpkgs@7761952d06 , btrfs requires libz and liblzo2

Signed-off-by: Shea Levy <shea@shealevy.com>
2013-05-13 14:16:53 -04:00

47 lines
1.1 KiB
Nix

{ config, pkgs, ... }:
with pkgs.lib;
let
inInitrd = any (fs: fs == "btrfs") config.boot.initrd.supportedFilesystems;
in
{
config = mkIf (any (fs: fs == "btrfs") config.boot.supportedFilesystems) {
system.fsPackages = [ pkgs.btrfsProgs ];
boot.initrd.kernelModules = mkIf inInitrd [ "btrfs" "crc32c" ];
boot.initrd.extraUtilsCommands = mkIf inInitrd
''
cp -v ${pkgs.btrfsProgs}/bin/btrfsck $out/bin
cp -v ${pkgs.btrfsProgs}/bin/btrfs $out/bin
# !!! Increases uncompressed initrd by 240k
cp -v ${pkgs.zlib}/lib/libz.so.1{,.2.7} $out/lib
cp -v ${pkgs.lzo}/lib/liblzo2.so.2{,.0.0} $out/lib
ln -sv btrfsck $out/bin/fsck.btrfs
'';
boot.initrd.extraUtilsCommandsTest = mkIf inInitrd
''
$out/bin/btrfs --version
'';
boot.initrd.postDeviceCommands = mkIf inInitrd
''
btrfs device scan
'';
# !!! This is broken. There should be a udev rule to do this when
# new devices are discovered.
jobs.udev.postStart =
''
${pkgs.btrfsProgs}/bin/btrfs device scan
'';
};
}