Add integration test workflow

.github/workflows/build.yaml

@@ -3,9 +3,6 @@ name: Build flake-checker artifacts
 on:
   workflow_call:
   workflow_dispatch:
-  pull_request:
-  push:
-    branches: [main]
 
 jobs:
   build-artifacts:
@@ -18,16 +15,16 @@ jobs:
         systems:
           - nix-system: aarch64-darwin
             runner: macos-latest-xlarge
-            artifact: flake-checker-ARM64-macOS
+            system: ARM64-macOS
           - nix-system: x86_64-darwin
             runner: macos-12
-            artifact: flake-checker-X64-macOS
+            system: X64-macOS
           - nix-system: aarch64-linux
             runner: namespace-profile-default-arm64
-            artifact: flake-checker-X64-Linux
+            system: X64-Linux
           - nix-system: x86_64-linux
             runner: ubuntu-22.04
-            artifact: flake-checker-ARM64-Linux
+            system: ARM64-Linux
     steps:
       - name: git checkout
         uses: actions/checkout@v4
@@ -40,6 +37,10 @@ jobs:
         with:
           use-flakehub: true
 
+      - name: Build and cache dev shell for ${{ matrix.systems.nix-system }}
+        run: |
+          nix build -L ".#devShells.${{ matrix.systems.nix-system }}.default"
+
       - name: Build package for ${{ matrix.systems.nix-system }}
         run: |
           nix build -L ".#packages.${{ matrix.systems.nix-system }}.default"
@@ -48,6 +49,6 @@ jobs:
         uses: actions/upload-artifact@v3.1.2
         with:
           # Artifact name
-          name: ${{ matrix.systems.artifact }}
+          name: flake-checker-${{ matrix.systems.system }}
           path: result/bin/flake-checker
           retention-days: 1

.github/workflows/ci.yaml

@@ -25,6 +25,12 @@ jobs:
       - name: Clippy
         run: nix develop -c cargo clippy
 
+  build-artifacts:
+    name: Build artifacts
+    needs: checks
+    uses: ./.github/workflows/build.yaml
+    secrets: inherit
+
   rust-tests:
     name: Test Rust
     runs-on: ubuntu-22.04
@@ -72,3 +78,35 @@ jobs:
       - name: Check flake.lock
         run: |
           nix develop -c cargo run -- --fail-mode ./tests/flake.dirty.0.lock
+
+  action-integration-test:
+    name: Integration test for flake-checker-action
+    needs: build-artifacts
+    runs-on: ${{ matrix.systems.runner }}
+    permissions:
+      contents: read
+      id-token: write
+    strategy:
+      matrix:
+        systems:
+          - system: X64-Linux
+            runner: ubuntu-22.04
+          - system: ARM64-Linux
+            runner: namespace-profile-default-arm64
+          - system: X64-macOS
+            runner: macos-12
+          - system: ARM64-macOS
+            runner: macos-latest-xlarge
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Download flake-checker for ${{ matrix.systems.system }}
+        uses: actions/download-artifact@v3
+        with:
+          name: flake-checker-${{ matrix.systems.system }}
+          path: flake-checker
+
+      - name: Test flake-checker-action@main on ${{ matrix.systems.runner }}
+        uses: DeterminateSystems/flake-checker-action@main
+        with:
+          source-binary: flake-checker