Merge pull request #295594 from ShamrockLee/checkpoint-build-dontfixup

checkpointBuildTools.prepareCheckpointBuild: stop at `installPhase`

pkgs/build-support/checkpoint-build.nix

@@ -53,7 +53,12 @@ rec {
       mkdir -p $out/outputs
       cp -r ./* $out/outputs/
       runHook postCheckpointInstall
+      unset postPhases
     '';
+
+    dontFixup = true;
+    doInstallCheck = false;
+    doDist = false;
   });
 
   /* Build a derivation based on the checkpoint output generated by

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; };