cachy

packages/bcachefs/default.nix

@@ -0,0 +1,150 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  pkg-config,
+  libuuid,
+  libsodium,
+  keyutils,
+  liburcu,
+  zlib,
+  libaio,
+  zstd,
+  lz4,
+  attr,
+  udev,
+  fuse3,
+  cargo,
+  rustc,
+  rustPlatform,
+  makeWrapper,
+  nix-update-script,
+  versionCheckHook,
+  nixosTests,
+  installShellFiles,
+  fuseSupport ? false,
+  udevCheckHook,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "bcachefs-tools";
+  version = "1.35.1";
+
+  src = fetchFromGitHub {
+    owner = "koverstreet";
+    repo = "bcachefs-tools";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-1p2zbzQLza8w+hu+5OjPr+Lh6q6Kh9HdVxFkuCl2x8o=";
+  };
+
+  cargoDeps = rustPlatform.fetchCargoVendor {
+    inherit (finalAttrs) src;
+    hash = "sha256-OlXkshfEXtY6fDBqhEJQhWhPjwQ5ofDIZ9IuchchKxk=";
+  };
+
+  postPatch = ''
+    substituteInPlace Makefile \
+      --replace-fail "target/release/bcachefs" "target/${stdenv.hostPlatform.rust.rustcTargetSpec}/release/bcachefs"
+  '';
+
+  nativeBuildInputs = [
+    pkg-config
+    cargo
+    rustc
+    rustPlatform.cargoSetupHook
+    rustPlatform.bindgenHook
+    makeWrapper
+    installShellFiles
+  ];
+
+  buildInputs = [
+    libaio
+    keyutils
+    lz4
+    libsodium
+    liburcu
+    libuuid
+    zstd
+    zlib
+    attr
+    udev
+  ]
+  ++ lib.optional fuseSupport fuse3;
+
+  makeFlags = [
+    "PREFIX=${placeholder "out"}"
+    "VERSION=${finalAttrs.version}"
+    "INITRAMFS_DIR=${placeholder "out"}/etc/initramfs-tools"
+    "DKMSDIR=${placeholder "dkms"}"
+
+    # Tries to install to the 'systemd-minimal' and 'udev' nix installation paths
+    "PKGCONFIG_SERVICEDIR=$(out)/lib/systemd/system"
+    "PKGCONFIG_UDEVDIR=$(out)/lib/udev"
+  ]
+  ++ lib.optional fuseSupport "BCACHEFS_FUSE=1";
+
+  enableParallelBuilding = true;
+
+  installFlags = [
+    "install"
+    "install_dkms"
+  ];
+
+  env = {
+    CARGO_BUILD_TARGET = stdenv.hostPlatform.rust.rustcTargetSpec;
+    "CARGO_TARGET_${stdenv.hostPlatform.rust.cargoEnvVarTarget}_LINKER" = "${stdenv.cc.targetPrefix}cc";
+  };
+
+  # FIXME: Try enabling this once the default linux kernel is at least 6.7
+  doCheck = false; # needs bcachefs module loaded on builder
+
+  preCheck = lib.optionalString (!fuseSupport) ''
+    rm tests/test_fuse.py
+  '';
+  checkFlags = [ "BCACHEFS_TEST_USE_VALGRIND=no" ];
+
+  doInstallCheck = true;
+  nativeInstallCheckInputs = [
+    udevCheckHook
+    versionCheckHook
+  ];
+  versionCheckProgramArg = "version";
+
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
+    installShellCompletion --cmd bcachefs \
+      --bash <($out/sbin/bcachefs completions bash) \
+      --zsh  <($out/sbin/bcachefs completions zsh) \
+      --fish <($out/sbin/bcachefs completions fish)
+  '';
+
+  outputs = [
+    "out"
+    "dkms"
+  ];
+
+  passthru = {
+    # See NOTE in linux-kernels.nix
+    kernelModule = import ./kernel-module.nix finalAttrs.finalPackage;
+
+    tests = {
+      smoke-test = nixosTests.bcachefs;
+      inherit (nixosTests.installer) bcachefsSimple bcachefsEncrypted bcachefsMulti;
+    };
+
+    updateScript = nix-update-script { };
+  };
+
+  meta = {
+    description = "Tool for managing bcachefs filesystems";
+    homepage = "https://bcachefs.org/";
+    downloadPage = "https://github.com/koverstreet/bcachefs-tools";
+    license = lib.licenses.gpl2Only;
+    maintainers = with lib.maintainers; [
+      davidak
+      johnrtitor
+    ];
+    platforms = lib.platforms.linux;
+    mainProgram = "bcachefs";
+    broken = stdenv.hostPlatform.isi686; # error: stack smashing detected
+  };
+})

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
+      ;
+  };
+}

packages/linux-cachyos/version.json

@@ -42,12 +42,20 @@
     "rc": {
       "sources": {
         "linux": {
-          "version": "6.19-rc8",
-          "hash": "sha256-oNENklaRhhcEryz9brMCfqgNHN2oYjodtrIbPncazQk="
+          "version": "7.0-rc1",
+          "hash": "sha256-bWsr0T/pXqSMSQHKW0Ueu8U2xjAQSdH7cFaNXYdWqts="
         },
         "zfs": {
           "rev": "3bf17cf5387fa5e0044a6321e663aead38b45969",
           "hash": "sha256-KaN24a1nXwOoHahglRWSypqxlE5jM1uZVIOVd1CDrqQ="
+        },
+        "config": {
+          "rev": "a66bf7797191c614066a517921246ced3b263434",
+          "hash": "sha256-GUEG4ZYawtSaN194CO6uPKdTR4e48+3E3dRIaX0K/8s="
+        },
+        "patches": {
+          "rev": "6184689fad8d8933f646025245295d4d50e20eb9",
+          "hash": "sha256-RBRIhHoqU+L+KDr23mNGR55if28KZ+heNp/BpCZISJ4="
         }
       }
     },

systems/x86_64-linux/matt-nixos/boot.nix

@@ -5,7 +5,7 @@
   ...
 }:
 let
-  kernel = pkgs.${namespace}.linuxPackages_cachyos-lto-znver4;
+  kernel = pkgs.${namespace}.linuxPackages_cachyos-rc-lto-znver4;
   pkgsVersion = pkgs; # .unstable;
 in
 {
@@ -43,6 +43,8 @@ in
 
     kernelPackages = kernel;
 
+    bcachefs.package = pkgs.${namespace}.bcachefs;
+
     kernelParams = [
       # needed cause ssd powersaving is broken af I guess
       "nvme_core.default_ps_max_latency_us=0"

systems/x86_64-linux/matt-nixos/default.nix

@@ -88,6 +88,11 @@
   # };
 
   specialisation = {
+    "linux_cachyos-lto".configuration = {
+      boot = {
+        kernelPackages = lib.mkOverride 90 pkgs.${namespace}.linuxPackages_cachyos-lto-znver4;
+      };
+    };
     "cosmic" = {
       configuration = {
         ${namespace} = {