has: init at 1.4.0

maintainers/maintainer-list.nix

···
     githubId = 7551358;
     name = "Frede Emil";
   };
+ Freed-Wu = {
+    email = "[e-mail]";
+    github = "Freed-Wu";
+    githubId = 32936898;
+    name = "Wu Zhenyu";
+  };
   freezeboy = {
     email = "[e-mail]";
     github = "freezeboy";

pkgs/applications/misc/has/default.nix

···
+{ lib, stdenvNoCC, fetchFromGitHub }:
+
+stdenvNoCC.mkDerivation (finalAttrs: rec {
+  pname = "has";
+  version = "1.4.0";
+
+  src = fetchFromGitHub {
+    owner = "kdabir";
+    repo = "has";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-3XsNSl4lQfJjEPNGoFj6ABXGkwOUsg9AFDAz8euZApE=";
+  };
+
+  dontBuild = true;
+
+  installPhase = ''
+    runHook preInstall
+    install -Dm0555 ${pname} -t $out/bin
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/kdabir/has";
+    description = "Checks presence of various command line tools and their versions on the path";
+    license = licenses.mit;
+    maintainers = with maintainers; [ Freed-Wu ];
+    platforms = platforms.unix;
+  };
+})

pkgs/top-level/all-packages.nix

···
 
   gti = callPackage ../tools/misc/gti { };
 
+  has = callPackage ../applications/misc/has { };
+
   hdate = callPackage ../applications/misc/hdate { };
 
   heatseeker = callPackage ../tools/misc/heatseeker { };