kubie: wrap kubectl program, add fish completion (#410119)

pkgs/by-name/ku/kubie/package.nix

@@ -1,8 +1,10 @@
 {
   lib,
+  kubectl,
   rustPlatform,
   fetchFromGitHub,
   installShellFiles,
+  makeWrapper,
 }:
 
 rustPlatform.buildRustPackage rec {
@@ -20,10 +22,20 @@ rustPlatform.buildRustPackage rec {
   useFetchCargoVendor = true;
   cargoHash = "sha256-Yf8fAW65K7SLaRpvegjWBLVDV33sMGV+I1rqlWvx5Ss=";
 
-  nativeBuildInputs = [ installShellFiles ];
+  nativeBuildInputs = [
+    installShellFiles
+    makeWrapper
+  ];
 
   postInstall = ''
-    installShellCompletion completion/kubie.bash
+    installShellCompletion completion/kubie.{bash,fish}
+
+    wrapProgram "$out/bin/kubie" \
+      --prefix PATH : "${
+        lib.makeBinPath [
+          kubectl
+        ]
+      }"
   '';
 
   meta = with lib; {