pfetch: add version check

Co-authored-by: Gaétan Lepage <33058747+GaetanLepage@users.noreply.github.com>

pkgs/by-name/pf/pfetch/package.nix

@@ -2,6 +2,8 @@
   lib,
   stdenvNoCC,
   fetchFromGitHub,
+  gitUpdater,
+  versionCheckHook,
 }:
 
 stdenvNoCC.mkDerivation rec {
@@ -21,6 +23,16 @@ stdenvNoCC.mkDerivation rec {
     install -Dm755 -t $out/bin pfetch
   '';
 
+  nativeInstallCheckInputs = [
+    versionCheckHook
+  ];
+  versionCheckProgramArg = [ "--version" ];
+  doInstallCheck = true;
+
+  passthru = {
+    updateScript = gitUpdater { };
+  };
+
   meta = {
     description = "Pretty system information tool written in POSIX sh";
     homepage = "https://github.com/Un1q32/pfetch";