optnix: init at 0.2.0 (#426148)

pkgs/by-name/op/optnix/package.nix

@@ -0,0 +1,59 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  buildGoModule,
+  installShellFiles,
+  nix-update-script,
+}:
+buildGoModule (finalAttrs: {
+  pname = "optnix";
+  version = "0.2.0";
+  src = fetchFromGitHub {
+    owner = "water-sucks";
+    repo = "optnix";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-CI0D70oP4usQXh39wm2z+s9QKQaaHFB6og3B/VHaAiY=";
+  };
+
+  vendorHash = "sha256-/rV21mX6VrJj39M6dBw4ubp6+O47hxeLn0ZcsG6Ujno=";
+
+  nativeBuildInputs = [ installShellFiles ];
+
+  env = {
+    CGO_ENABLED = 0;
+    VERSION = finalAttrs.version;
+  };
+
+  buildPhase = ''
+    runHook preBuild
+    make all
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    install -Dm755 ./optnix -t $out/bin
+
+    runHook postInstall
+  '';
+
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
+    installShellCompletion --cmd optnix \
+      --bash <($out/bin/optnix --completion bash) \
+      --fish <($out/bin/optnix --completion fish) \
+      --zsh <($out/bin/optnix --completion zsh)
+  '';
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    homepage = "https://github.com/water-sucks/optnix";
+    description = "Options searcher for Nix module systems";
+    changelog = "https://github.com/water-sucks/optnix/releases/tag/v${finalAttrs.version}";
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ water-sucks ];
+    mainProgram = "optnix";
+  };
+})