depot/third_party/nixpkgs/nixos/modules/tasks/filesystems/ext.nix

42 lines
1,020 B
Nix

{
config,
lib,
pkgs,
...
}:
let
hasExtX = s: s.ext2 or s.ext3 or s.ext4 or false;
inInitrd = hasExtX config.boot.initrd.supportedFilesystems;
inSystem = hasExtX config.boot.supportedFilesystems;
in
{
config = {
system.fsPackages = lib.mkIf (config.boot.initrd.systemd.enable -> (inInitrd || inSystem)) [
pkgs.e2fsprogs
];
# As of kernel 4.3, there is no separate ext3 driver (they're also handled by ext4.ko)
boot.initrd.availableKernelModules = lib.mkIf (config.boot.initrd.systemd.enable -> inInitrd) [
"ext2"
"ext4"
];
boot.initrd.extraUtilsCommands = lib.mkIf (!config.boot.initrd.systemd.enable) ''
# Copy e2fsck and friends.
copy_bin_and_libs ${pkgs.e2fsprogs}/sbin/e2fsck
copy_bin_and_libs ${pkgs.e2fsprogs}/sbin/tune2fs
ln -sv e2fsck $out/bin/fsck.ext2
ln -sv e2fsck $out/bin/fsck.ext3
ln -sv e2fsck $out/bin/fsck.ext4
'';
boot.initrd.systemd.initrdBin = lib.mkIf inInitrd [ pkgs.e2fsprogs ];
};
}