cachy

packages/bcachefs/kernel-module.nix

@@ -0,0 +1,47 @@
+bcachefs-tools:
+{
+  lib,
+  stdenv,
+  kernelModuleMakeFlags,
+  kernel,
+}:
+
+stdenv.mkDerivation {
+  pname = "bcachefs";
+  version = "${kernel.version}-${bcachefs-tools.version}";
+
+  __structuredAttrs = true;
+
+  src = bcachefs-tools.dkms;
+
+  nativeBuildInputs = kernel.moduleBuildDependencies;
+
+  enableParallelBuilding = true;
+
+  makeFlags = kernelModuleMakeFlags ++ [
+    "KDIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
+    "INSTALL_MOD_PATH=${placeholder "out"}"
+  ];
+
+  installPhase = ''
+    runHook preInstall
+    make -C ${kernel.dev}/lib/modules/${kernel.modDirVersion}/build M=$(pwd) modules_install "''${makeFlags[@]}" "''${installFlags[@]}"
+    runHook postInstall
+  '';
+
+  passthru = {
+    inherit (bcachefs-tools.passthru) tests;
+  };
+
+  meta = {
+    description = "out-of-tree bcachefs kernel module";
+
+    inherit (bcachefs-tools.meta)
+      homepage
+      downloadPage
+      license
+      maintainers
+      platforms
+      ;
+  };
+}