push sheeet

pkgs/os-specific/darwin/sigtool/default.nix

@@ -0,0 +1,31 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  pkg-config,
+  openssl,
+}:
+
+stdenv.mkDerivation rec {
+  pname = "sigtool";
+  version = "0.1.3";
+
+  src = fetchFromGitHub {
+    owner = "thefloweringash";
+    repo = "sigtool";
+    rev = "v${version}";
+    sha256 = "sha256-K3VSFaqcZEomF7kROJz+AwxdW1MmxxEFDaRnWnzcw54=";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ openssl ];
+
+  installFlags = [ "PREFIX=$(out)" ];
+
+  meta = with lib; {
+    description = "Tool for working with embedded signatures in Mach-O files";
+    homepage = "https://github.com/thefloweringash/sigtool";
+    license = licenses.mit;
+    platforms = platforms.unix;
+  };
+}