nix ci

.github/workflows/ci.yaml

@@ -4,87 +4,77 @@ name: Continuous integration
 
 jobs:
   check:
-    name: Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
-      - uses: actions-rs/toolchain@v1
+      - uses: actions/checkout@v3
+      - uses: cachix/install-nix-action@v20
+      - uses: icewind1991/attic-action@v1
         with:
-          profile: minimal
-          toolchain: stable
-          override: true
-      - uses: Swatinem/rust-cache@v1
-      - uses: actions-rs/cargo@v1
-        with:
-          command: check
-      - uses: actions-rs/cargo@v1
-        with:
-          command: check
-          args: --all-features
-
-  test:
-    name: Test Suite
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v1
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-      - uses: Swatinem/rust-cache@v1
-      - uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --all-features
-
-  fmt:
-    name: Rustfmt
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v1
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-      - uses: Swatinem/rust-cache@v1
-      - run: rustup component add rustfmt
-      - uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: --all -- --check
+          name: ci
+          instance: https://cache.icewind.me
+          authToken: '${{ secrets.ATTIC_TOKEN }}'
+      - run: nix build .#check
 
   clippy:
-    name: Clippy
     runs-on: ubuntu-latest
+    needs: check
     steps:
-      - uses: actions/checkout@v1
-      - uses: actions-rs/toolchain@v1
+      - uses: actions/checkout@v3
+      - uses: cachix/install-nix-action@v20
+      - uses: icewind1991/attic-action@v1
         with:
-          profile: minimal
-          toolchain: stable
-          override: true
-      - uses: Swatinem/rust-cache@v1
-      - run: rustup component add clippy
-      - uses: actions-rs/cargo@v1
-        with:
-          command: clippy
-          args: -- -D warnings
+          name: ci
+          instance: https://cache.icewind.me
+          authToken: '${{ secrets.ATTIC_TOKEN }}'
+      - run: nix build .#clippy
 
-  test_miri:
-    name: Test (Miri)
+  tests:
+    runs-on: ubuntu-latest
+    needs: check
+    steps:
+      - uses: actions/checkout@v3
+      - uses: cachix/install-nix-action@v20
+      - uses: icewind1991/attic-action@v1
+        with:
+          name: ci
+          instance: https://cache.icewind.me
+          authToken: '${{ secrets.ATTIC_TOKEN }}'
+      - run: nix build .#test
+
+  fmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: actions/checkout@v3
+      - uses: cachix/install-nix-action@v20
+      - uses: icewind1991/attic-action@v1
         with:
-          profile: minimal
-          toolchain: nightly
-          override: true
-          components: miri
-      - uses: Swatinem/rust-cache@v1
-      - uses: actions-rs/cargo@v1
+          name: ci
+          instance: https://cache.icewind.me
+          authToken: '${{ secrets.ATTIC_TOKEN }}'
+      - run: nix build .#fmt
+
+  miri-matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v3
+      - uses: cachix/install-nix-action@v20
+      - id: set-matrix
+        run: echo "matrix={\"target\":$(nix eval --json ".#miriTargets.x86_64-linux")}" | tee $GITHUB_OUTPUT
+
+  miri-tests:
+    runs-on: ubuntu-latest
+    needs: [tests, miri-matrix]
+    strategy:
+      fail-fast: false
+      matrix: ${{fromJson(needs.miri-matrix.outputs.matrix)}}
+    steps:
+      - uses: actions/checkout@v3
+      - uses: cachix/install-nix-action@v20
+      - uses: icewind1991/attic-action@v1
         with:
-          command: miri
-          args: test
+          name: ci
+          instance: https://cache.icewind.me
+          authToken: '${{ secrets.ATTIC_TOKEN }}'
+      - run: nix develop .#miri -c cargo miri test --target ${{ matrix.target }}