From 6b193374731176bb26534ae077539a78e293f567 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christina=20S=C3=B8rensen?= <christina@cafkafk.com>
Date: Tue, 17 Sep 2024 08:28:03 +0200
Subject: [PATCH] ci: run all flake checks
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Adds *fake* hydra-like CI tests for the flake checks.

Signed-off-by: Christina Sørensen <christina@cafkafk.com>
---
 .github/workflows/build.yaml | 17 -----------------
 .github/workflows/checks.yml | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+), 17 deletions(-)
 delete mode 100644 .github/workflows/build.yaml
 create mode 100644 .github/workflows/checks.yml

diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
deleted file mode 100644
index 4e01e3a..0000000
--- a/.github/workflows/build.yaml
+++ /dev/null
@@ -1,17 +0,0 @@
-name: "Build"
-on:
-  push:
-    branches:
-      - "*"
-  pull_request:
-    branches:
-      - "master"
-jobs:
-  tests:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v3
-    - uses: cachix/install-nix-action@v19
-      with:
-        nix_path: nixpkgs=channel:nixos-unstable
-    - run: nix-build
diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
new file mode 100644
index 0000000..52cb562
--- /dev/null
+++ b/.github/workflows/checks.yml
@@ -0,0 +1,33 @@
+name: "Flake Checks"
+on:
+  push:
+    branches:
+      - "master"
+  pull_request:
+    branches:
+      - "master"
+jobs:
+  nix_flake_check:
+    name: Nix ${{ matrix.systems }} ${{ matrix.checks }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        checks: [build, formatting, pre-commit-check, vm_integration_tests]
+        os: [ubuntu-latest, macos-latest]
+        systems: ["x86_64-linux", "aarch64-linux","x86_64-darwin", "aarch64-darwin"]
+        include:
+          - os: ubuntu-latest
+            systems: ["x86_64-linux", "aarch64-linux"]
+            checks: [build, formatting, pre-commit-check, vm_integration_tests]
+          - os: macos-latest
+            systems: ["x86_64-darwin", "aarch64-darwin"]
+            checks: [build, formatting, pre-commit-check, vm_integration_tests]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@main
+      - name: Setup Nix cache
+        uses: DeterminateSystems/magic-nix-cache-action@main
+      - name: Nix Flake Check
+        run: nix build ./#checks.${{ matrix.systems }}.${{ matrix.checks }} -L