gha: add nix jobs tests

.github/workflows/nix-jobs-test.yaml

@@ -0,0 +1,61 @@
+on:
+  pull_request:
+
+jobs:
+  nix-jobs-test:
+    name: "Test nix jobs"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+         ref: "${{github.head_ref || github.ref_name}}"
+      - name: Install Nix
+        uses: cachix/install-nix-action@v27
+        with:
+          extra_nix_config: |
+            accept-flake-config = true
+            experimental-features = fetch-closure flakes nix-command
+            substituters = https://cache.iog.io https://cache.nixos.org/
+            trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
+      - name: Test
+        run: |
+          nix --version
+
+          export DEBUG="true"
+          export ERA_CMD="alonzo"
+          export MAJOR_VERSION="7"
+          export POOL_NAMES="sp-1 sp-2 sp-3"
+          export SUBMIT_TX="false"
+          export UNSTABLE="false"
+          export UNSTABLE_LIB="false"
+          export USE_ENCRYPTION="false"
+          export USE_DECRYPTION="false"
+          export USE_NODE_CONFIG_BP="false"
+
+          JOBS=(
+            "gen-custom-node-config"
+            "gen-custom-node-config-data"
+            "create-stake-pool-keys"
+            "move-genesis-utxo"
+            "register-stake-pools"
+            "delegate-rewards-stake-key"
+            "update-proposal-hard-fork"
+          )
+
+          RUN_TESTS() {
+            for i in ${JOBS[@]}; do
+              nix run .#job-${i}
+              rm -rf workbench
+            done
+          }
+
+          echo
+          echo "Run nix job tests with release versioning..."
+          RUN_TESTS
+          echo
+
+          echo "Now run nix job tests again with pre-release versioning..."
+          export UNSTABLE="true"
+          export UNSTABLE_LIB="true"
+          RUN_TESTS

flakeModules/jobs.nix

@@ -366,6 +366,7 @@ in {
             fi
 
             # Use the new create-testnet-data cli cmd
+            mkdir -p "$GENESIS_DIR"
             "''${CARDANO_CLI[@]}" genesis create-testnet-data \
               --genesis-keys "$NUM_GENESIS_KEYS" \
               --utxo-keys 1 \