Garnix CI

garnix.yaml

@@ -2,4 +2,4 @@ builds:
   # TODO once we have fully migrated from hydra to garnix, refactor nix/output.nix 
   # by removing all references to hydraJobs and populating this `include` section.
   include:
-  - 'hydraJobs.*.*'
+  - 'checks.*.*'

nix/outputs.nix

@@ -14,7 +14,7 @@ let
 in [
   {
     inherit (project) cabalProject;
-    inherit project;
+    inherit project repoRoot;
 
     devShells.default = ghc96.devShell;
     devShells.profiled = ghc96-profiled.devShell;
@@ -25,7 +25,7 @@ in [
 
     packages = ghc96.packages;
     apps = ghc96.apps;
-    checks = ghc96.checks;
+    # checks = ghc96.checks;
 
     latex-documents = repoRoot.nix.latex-documents;
 
@@ -82,5 +82,5 @@ in [
     hydraJobs.ghc910.roots = ghc910.hydraJobs.roots;
     hydraJobs.ghc910.plan-nix = ghc910.hydraJobs.plan-nix;
   })
-  { __test = inputs.flake-utils.lib.flattenTree inputs.self.hydraJobs.ghc96; }
+  { checks = repoRoot.nix.utils.flattenDerivationTree "garnix" "-" inputs.self.hydraJobs.${system}; }
 ]

nix/utils.nix

@@ -0,0 +1,18 @@
+{ repoRoot, inputs, pkgs, system, lib }:
+{
+
+  flattenDerivationTree = prefix: separator: set: 
+    let 
+      recurse = name: name': 
+        flatten (if name == "" then name' else "${name}${separator}${name'}");
+
+      flatten = name: value: 
+        if lib.isDerivation value || lib.typeOf value != "set" then 
+          [{ inherit name value; }]
+        else
+          lib.concatLists (lib.mapAttrsToList (recurse name) value);
+  in  
+    assert lib.typeOf set == "set";
+    lib.listToAttrs (flatten prefix set);
+
+}