depot/third_party/nixpkgs/nixos/modules/tasks/filesystems/unionfs-fuse.nix
Default email c7cb07f092 Project import generated by Copybara.
GitOrigin-RevId: 1536926ef5621b09bba54035ae2bb6d806d72ac8
2024-02-29 21:09:43 +01:00

43 lines
1.7 KiB
Nix

{ config, pkgs, lib, ... }:
{
config = lib.mkMerge [
(lib.mkIf (config.boot.initrd.supportedFilesystems.unionfs-fuse or false) {
boot.initrd.kernelModules = [ "fuse" ];
boot.initrd.extraUtilsCommands = lib.mkIf (!config.boot.initrd.systemd.enable) ''
copy_bin_and_libs ${pkgs.fuse}/sbin/mount.fuse
copy_bin_and_libs ${pkgs.unionfs-fuse}/bin/unionfs
substitute ${pkgs.unionfs-fuse}/sbin/mount.unionfs-fuse $out/bin/mount.unionfs-fuse \
--replace '${pkgs.bash}/bin/bash' /bin/sh \
--replace '${pkgs.fuse}/sbin' /bin \
--replace '${pkgs.unionfs-fuse}/bin' /bin
chmod +x $out/bin/mount.unionfs-fuse
'';
boot.initrd.postDeviceCommands = lib.mkIf (!config.boot.initrd.systemd.enable) ''
# Hacky!!! fuse hard-codes the path to mount
mkdir -p /nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-${pkgs.util-linux.name}-bin/bin
ln -s $(which mount) /nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-${pkgs.util-linux.name}-bin/bin
ln -s $(which umount) /nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-${pkgs.util-linux.name}-bin/bin
'';
boot.initrd.systemd.extraBin = {
"mount.fuse" = "${pkgs.fuse}/bin/mount.fuse";
"unionfs" = "${pkgs.unionfs-fuse}/bin/unionfs";
"mount.unionfs-fuse" = pkgs.runCommand "mount.unionfs-fuse" {} ''
substitute ${pkgs.unionfs-fuse}/sbin/mount.unionfs-fuse $out \
--replace '${pkgs.bash}/bin/bash' /bin/sh \
--replace '${pkgs.fuse}/sbin' /bin \
--replace '${pkgs.unionfs-fuse}/bin' /bin
'';
};
})
(lib.mkIf (config.boot.supportedFilesystems.unionfs-fuse or false) {
system.fsPackages = [ pkgs.unionfs-fuse ];
})
];
}