add mount and bch-bindgen nix builder file

update kernel diffHash

nix/overlay.nix

@@ -14,12 +14,15 @@ final: prev: {
 			debugMode = true;
 		};
 
+		bch_bindgen = final.callPackage ../rust-src/bch_bindgen {};
+
 		mount = final.callPackage ../rust-src/mount {};
+
 		kernelPackages = final.recurseIntoAttrs (final.linuxPackagesFor final.bcachefs.kernel);
 		kernel = final.callPackage ./bcachefs-kernel.nix {
 			commit = final.bcachefs.tools.bcachefs_revision;
 			# This needs to be recalculated for every revision change
-			diffHash = "sha256-JrVRkEO7DKUTf+qhjWPwfbF3a/Qbd8me7oGay4aae3k=";
+			diffHash = "sha256-XSA0dBZZL8RXplgjpoLOFSULM8t/0Ztz8xlhLn9hdyw=";
 			kernelPatches = [];
 		};
 	};

rust-src/bch_bindgen/default.nix

@@ -0,0 +1,76 @@
+{ lib
+, stdenv
+, rustPlatform
+, llvmPackages
+, bcachefs
+, pkg-config
+
+, udev
+, liburcu
+, zstd
+, keyutils
+, libaio
+		
+, lz4 # liblz4
+, libsodium
+, libuuid
+, zlib # zlib1g
+, libscrypt
+
+, rustfmt
+
+, glibc
+, ...
+}: let 
+	include = {
+		glibc = "${glibc.dev}/include";
+		clang = let libc = llvmPackages.libclang; in
+			"${libc.lib}/lib/clang/${libc.version}/include";
+		urcu = "${liburcu}/include";
+		zstd = "${zstd.dev}/include";
+	};
+	cargo = lib.trivial.importTOML ./Cargo.toml;
+in rustPlatform.buildRustPackage {
+	pname = cargo.package.name;
+	version = cargo.package.version;
+	
+	src = builtins.path { path = ./.; name = "bch_bindgen"; };
+
+	cargoLock = { lockFile = ./Cargo.lock; };
+
+	nativeBuildInputs = [ rustfmt pkg-config ];
+	buildInputs = [
+		
+		# libaio
+		keyutils # libkeyutils
+		lz4 # liblz4
+		libsodium
+		liburcu
+		libuuid
+		zstd # libzstd
+		zlib # zlib1g
+		udev
+		libscrypt
+		libaio
+	];
+	
+	LIBBCACHEFS_LIB ="${bcachefs.tools}/lib";
+	LIBBCACHEFS_INCLUDE = bcachefs.tools.src;
+	LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
+	BINDGEN_EXTRA_CLANG_ARGS = lib.replaceStrings ["\n" "\t"] [" " ""] ''
+		-std=gnu99
+		-I${include.glibc}
+		-I${include.clang}
+		-I${include.urcu}
+		-I${include.zstd}
+	'';
+
+	postPatch = ''
+		cp ${./Cargo.lock} Cargo.lock
+	'';
+	
+
+	doCheck = true;
+	
+	# NIX_DEBUG = 4;
+}

rust-src/mount/default.nix

@@ -0,0 +1,41 @@
+{ lib
+
+, stdenv
+, glibc
+, llvmPackages
+, rustPlatform
+
+, bcachefs
+
+, ...
+}: rustPlatform.buildRustPackage ( let 
+	cargo = lib.trivial.importTOML ./Cargo.toml;
+in {
+	pname = "mount.bcachefs";
+	version = cargo.package.version;
+	
+	src = builtins.path { path = ../.; name = "rust-src"; };
+	sourceRoot = "rust-src/mount";
+
+	cargoLock = { lockFile = ./Cargo.lock; };
+
+	nativeBuildInputs = bcachefs.bch_bindgen.nativeBuildInputs;
+	buildInputs = bcachefs.bch_bindgen.buildInputs;
+	inherit (bcachefs.bch_bindgen)
+		LIBBCACHEFS_INCLUDE
+		LIBBCACHEFS_LIB
+		LIBCLANG_PATH
+		BINDGEN_EXTRA_CLANG_ARGS;
+	
+	preFixup = ''
+		ln $out/bin/mount-bcachefs $out/bin/mount.bcachefs
+		ln -s $out/bin $out/sbin
+	'';
+	# -isystem ${llvmPackages.libclang.lib}/lib/clang/${lib.getVersion llvmPackages.libclang}/include";
+	# CFLAGS = "-I${llvmPackages.libclang.lib}/include";
+	# LDFLAGS = "-L${libcdev}";
+
+	doCheck = false;
+	
+	# NIX_DEBUG = 4;
+})