ldid-procursus: install zsh completion

Install zsh completion and fix cross-compilation

Signed-off-by: Keto <therealketo@gmail.com>
Co-authored-by: Artturin <Artturin@artturin.com>

pkgs/development/tools/ldid-procursus/default.nix

@@ -1,6 +1,7 @@
 { lib
 , stdenv
 , fetchFromGitHub
+, installShellFiles
 , pkg-config
 , libplist
 , openssl
@@ -9,17 +10,31 @@
 stdenv.mkDerivation (finalAttrs: {
   pname = "ldid-procursus";
   version = "2.1.5-procursus7";
+
   src = fetchFromGitHub {
     owner = "ProcursusTeam";
     repo = "ldid";
     rev = "v${finalAttrs.version}";
     hash = "sha256-QnSmWY9zCOPYAn2VHc5H+VQXjTCyr0EuosxvKGGpDtQ=";
   };
-  nativeBuildInputs = [ pkg-config libplist openssl ];
+
+  nativeBuildInputs = [ pkg-config installShellFiles ];
+  buildInputs = [ libplist openssl ];
+
   stripDebugFlags = [ "--strip-unneeded" ];
   makeFlags = [ "PREFIX=${placeholder "out"}" ];
 
+  postPatch = ''
+    substituteInPlace Makefile \
+      --replace "pkg-config" "$PKG_CONFIG"
+  '';
+
+  postInstall = ''
+    installShellCompletion --cmd ldid --zsh _ldid
+  '';
+
   meta = with lib; {
+    mainProgram = "ldid";
     description = "Put real or fake signatures in a Mach-O binary";
     homepage = "https://github.com/ProcursusTeam/ldid";
     maintainers = with maintainers; [ keto ];