findup: use zigHook

Also, a cosmetic refactor:

- Reorder parameter listing
- Use rec-less, overlay-style overridable recursive attributes (in effect since
NixOS#119942);
- Remove nested with (according to
https://nix.dev/recipes/best-practices#with-scopes)

pkgs/tools/misc/findup/default.nix

@@ -1,39 +1,30 @@
-{ lib, stdenv, fetchFromGitHub, zig, testers, findup }:
+{ lib
+, stdenv
+, fetchFromGitHub
+, findup
+, testers
+, zigHook
+}:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "findup";
   version = "1.1.1";
 
   src = fetchFromGitHub {
     owner = "booniepepper";
-    repo = pname;
-    rev = "v${version}";
-    sha256 = "sha256-Tpyiy5oJQ04lqVEOFshFC0+90VoNILQ+N6Dd7lbuH/Q=";
+    repo = "findup";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-Tpyiy5oJQ04lqVEOFshFC0+90VoNILQ+N6Dd7lbuH/Q=";
   };
 
-  nativeBuildInputs = [ zig ];
+  nativeBuildInputs = [ zigHook ];
 
-  # Builds and installs (at the same time) with Zig.
-  dontConfigure = true;
-  dontBuild = true;
+  passthru.tests.version = testers.testVersion { package = finalAttrs.findup; };
 
-  # Give Zig a directory for intermediate work.
-  preInstall = ''
-    export HOME=$TMPDIR
-  '';
-
-  installPhase = ''
-    runHook preInstall
-    zig build -Drelease-safe -Dcpu=baseline --prefix $out
-    runHook postInstall
-  '';
-
-  passthru.tests.version = testers.testVersion { package = findup; };
-
-  meta = with lib; {
+  meta = {
     homepage = "https://github.com/booniepepper/findup";
     description = "Search parent directories for sentinel files";
-    license = licenses.mit;
-    maintainers = with maintainers; [ booniepepper ];
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ booniepepper ];
   };
-}
+})