ci: rewrite build workflow

.github/workflows/build.yml

@@ -9,18 +9,24 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
+  RUSTFLAGS: '-Dwarnings'
 
 jobs:
-  build:
+  rustfmt:
     runs-on: ubuntu-latest
-
+    name: 'Formatting'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          override: true
+      - name: Check formatting
+        run: cargo fmt --check
+
+
+  clippy-base:
+    runs-on: ubuntu-latest
+    name: 'Clippy (Base features)'
+    steps:
+      - uses: actions/checkout@v4
 
       - uses: Swatinem/rust-cache@v2
         name: Cache dependencies
@@ -30,20 +36,45 @@ jobs:
           sudo apt-get update
           sudo apt-get install libgtk-3-dev libgtk-layer-shell-dev
 
-      - name: Check formatting
-        run: cargo fmt --check
+      - name: Clippy
+        run: cargo clippy --no-default-features --features config+json
+        env:
+          # Allow some warnings through as we'll never get it perfect in a zero-feature situation
+          RUSTFLAGS: '-A unused-imports -A unused-variables -A unused-mut -A dead-code'
 
-      - name: Clippy (base features)
-        uses: actions-rs/clippy-check@v1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          args: --no-default-features --features config+json
 
-      - name: Clippy (all features)
-        uses: actions-rs/clippy-check@v1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          args: --all-features
+  clippy-all:
+    runs-on: ubuntu-latest
+    name: 'Clippy (All features)'
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: Swatinem/rust-cache@v2
+        name: Cache dependencies
+
+      - name: Install build deps
+        run: |
+          sudo apt-get update
+          sudo apt-get install libgtk-3-dev libgtk-layer-shell-dev
+
+      - name: Clippy
+        run: cargo clippy --all-targets --all-features
+
+
+  build:
+    name: 'Build & Test'
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: Swatinem/rust-cache@v2
+        name: Cache dependencies
+
+      - name: Install build deps
+        run: |
+          sudo apt-get update
+          sudo apt-get install libgtk-3-dev libgtk-layer-shell-dev
 
       - name: Build
         run: cargo build --verbose
@@ -51,28 +82,4 @@ jobs:
       - name: Run tests
         uses: actions-rs/cargo@v1
         with:
-          command: test
-
-
-
-  build-nix:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v3
-
-      - uses: cachix/install-nix-action@v20
-        with:
-          install_url: https://nixos.org/nix/install
-          extra_nix_config: |
-            auto-optimise-store = true
-            experimental-features = nix-command flakes
-
-      - uses: cachix/cachix-action@v12
-        with:
-          name: jakestanger
-          signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
-
-      - uses: DeterminateSystems/magic-nix-cache-action@main
-
-      - run: nix build --print-build-logs
+          command: test