uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/os-specific/linux/cryptsetup/default.nix

@@ -0,0 +1,54 @@
+{ lib, stdenv, fetchurl, lvm2, json_c
+, openssl, libuuid, pkg-config, popt }:
+
+stdenv.mkDerivation rec {
+  pname = "cryptsetup";
+  version = "2.4.3";
+
+  outputs = [ "bin" "out" "dev" "man" ];
+  separateDebugInfo = true;
+
+  src = fetchurl {
+    url = "mirror://kernel/linux/utils/cryptsetup/v2.4/${pname}-${version}.tar.xz";
+    sha256 = "sha256-/A35RRiBciZOxb8dC9oIJk+tyKP4VtR+upHzH+NUtQc=";
+  };
+
+  # Disable 4 test cases that fail in a sandbox
+  patches = [ ./disable-failing-tests.patch ];
+
+  postPatch = ''
+    patchShebangs tests
+
+    # O_DIRECT is filesystem dependent and fails in a sandbox (on tmpfs)
+    # and on several filesystem types (btrfs, zfs) without sandboxing.
+    # Remove it, see discussion in #46151
+    substituteInPlace tests/unit-utils-io.c --replace "| O_DIRECT" ""
+  '';
+
+  NIX_LDFLAGS = lib.optionalString (stdenv.cc.isGNU && !stdenv.hostPlatform.isStatic) "-lgcc_s";
+
+  configureFlags = [
+    "--enable-cryptsetup-reencrypt"
+    "--with-crypto_backend=openssl"
+    "--disable-ssh-token"
+  ] ++ lib.optionals stdenv.hostPlatform.isStatic [
+    "--disable-external-tokens"
+    # We have to override this even though we're removing token
+    # support, because the path still gets included in the binary even
+    # though it isn't used.
+    "--with-luks2-external-tokens-path=/"
+  ];
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ lvm2 json_c openssl libuuid popt ];
+
+  doCheck = true;
+
+  meta = {
+    homepage = "https://gitlab.com/cryptsetup/cryptsetup/";
+    description = "LUKS for dm-crypt";
+    license = lib.licenses.gpl2;
+    maintainers = with lib.maintainers; [ ];
+    platforms = with lib.platforms; linux;
+  };
+}

pkgs/os-specific/linux/cryptsetup/disable-failing-tests.patch

@@ -0,0 +1,19 @@
+diff -ur a/tests/blockwise-compat b/tests/blockwise-compat
+--- a/tests/blockwise-compat	2018-09-08 12:23:11.706555098 +0200
++++ b/tests/blockwise-compat	2018-09-08 12:24:24.444393460 +0200
+@@ -148,15 +148,11 @@
+ 	# device/file fn_name length
+ 	RUN "P" $1 read_buffer $BSIZE
+ 	RUN "P" $1 read_buffer $((2*BSIZE))
+-	RUN "F" $1 read_buffer $((BSIZE-1))
+-	RUN "F" $1 read_buffer $((BSIZE+1))
+ 	RUN "P" $1 read_buffer 0
+ 
+ 	RUN "P" $1 write_buffer $BSIZE
+ 	RUN "P" $1 write_buffer $((2*BSIZE))
+ 
+-	RUN "F" $1 write_buffer $((BSIZE-1))
+-	RUN "F" $1 write_buffer $((BSIZE+1))
+ 	RUN "F" $1 write_buffer 0
+ 
+ 	# basic blockwise functions