ci: add nixosTests.simple-container

nixosTests.simple-vm but using an nspawn container

ci/eval/compare/default.nix

@@ -172,6 +172,7 @@ let
       rebuildCountByKernel = lib.mapAttrs (
         kernel: kernelRebuilds: lib.length kernelRebuilds
       ) rebuildsByKernel;
+      rebuildNames = extractPackageNames diffAttrs.rebuilds;
     in
     writeText "changed-paths.json" (
       builtins.toJSON {
@@ -188,7 +189,8 @@ let
             kernel: rebuilds: lib.nameValuePair "10.rebuild-${kernel}-stdenv" (lib.elem "stdenv" rebuilds)
           ) rebuildsByKernel
           // {
-            "10.rebuild-nixos-tests" = lib.elem "nixosTests.simple-vm" (extractPackageNames diffAttrs.rebuilds);
+            "10.rebuild-nixos-tests" =
+              lib.elem "nixosTests.simple-container" rebuildNames || lib.elem "nixosTests.simple-vm" rebuildNames;
           };
       }
     );

ci/eval/outpaths.nix

@@ -108,6 +108,8 @@ in
 tweak (
   (removeAttrs nixpkgsJobs blacklist)
   // {
-    nixosTests = lib.filterAttrs (name: _: name == "simple-vm") nixosJobs.tests;
+    nixosTests = lib.filterAttrs (
+      name: _: name == "simple-container" || name == "simple-vm"
+    ) nixosJobs.tests;
   }
 )

ci/github-script/check-target-branch.js

@@ -99,6 +99,7 @@ async function checkTargetBranch({ github, context, core, dry }) {
     ...Object.values(changed.rebuildCountByKernel),
   )
   const rebuildsAllTests =
+    changed.attrdiff.changed.includes('nixosTests.simple-container') ||
     changed.attrdiff.changed.includes('nixosTests.simple-vm')
 
   // https://github.com/NixOS/nixpkgs/pull/481205#issuecomment-3790123921