From 05491696c54969386968d43771db19ffb36f689a Mon Sep 17 00:00:00 2001
From: Yueh-Shun Li <shamrocklee@posteo.net>
Date: Wed, 13 Mar 2024 23:16:06 +0800
Subject: [PATCH] hello: add postInstallCheck

Set doInstallCheck = true.
Test the existence of main program in postInstallCheck.
---
 pkgs/by-name/he/hello/package.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/by-name/he/hello/package.nix b/pkgs/by-name/he/hello/package.nix
index f1b056faf640..68fdcf7e408c 100644
--- a/pkgs/by-name/he/hello/package.nix
+++ b/pkgs/by-name/he/hello/package.nix
@@ -18,6 +18,13 @@ stdenv.mkDerivation (finalAttrs: {
 
   doCheck = true;
 
+  doInstallCheck = true;
+
+  # Give hello some install checks for testing purpose.
+  postInstallCheck = ''
+    stat "''${!outputBin}/bin/${finalAttrs.meta.mainProgram}"
+  '';
+
   passthru.tests = {
     version = testers.testVersion { package = hello; };