fix CI

Author: sebcrozet

.github/workflows/ci.yaml

@@ -2,20 +2,75 @@ name: CI
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
   pull_request:
-    branches: [ main ]
+    branches: [main]
 
 env:
   CARGO_TERM_COLOR: always
   RUSTFLAGS: --deny warnings
   RUSTDOCFLAGS: --deny warnings
+  SLANG_TAG: 2025.18.2
 
 jobs:
+  # Check formatting.
+  format:
+    name: Format
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt
+
+      - name: Run cargo fmt
+        run: cargo fmt --all -- --check
+  setup-slang:
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+    runs-on: ${{ matrix.os }}
+    outputs:
+      slang-dir: ${{ steps.setup.outputs.slang-dir }} # Pass SLANG_DIR to dependent jobs
+      slang-cache-key: ${{ steps.setup.outputs.slang-cache-key }} # Pass SLANG_DIR to dependent jobs
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Cache Slang
+        id: cache-slang
+        uses: actions/cache/restore@v4 # Restore first
+        with:
+          path: |
+            ~/.cache/slang  # Matches script's default OUTPUT_DIR
+          key: slang-v$SLANG_TAG-${{ runner.os }}-${{ runner.arch }}
+
+      - name: Setup Slang
+        id: setup
+        run: |
+          echo "version=$SLANG_TAG" >> $GITHUB_OUTPUT  # Output for cache key
+          SLANG_DIR=$(./download_slang.sh --version $SLANG_TAG | grep '^SLANG_DIR=' | cut -d'=' -f2-)
+          echo "slang-dir=$SLANG_DIR" >> $GITHUB_OUTPUT  # Output for dependents
+          echo "slang-cache-key=slang-v$SLANG_TAG-${{ runner.os }}-${{ runner.arch }}" >> $GITHUB_OUTPUT
+          echo "SLANG_DIR=$SLANG_DIR" >> $GITHUB_ENV  # For this job if needed
+
+      - name: Save Slang Cache
+        if: steps.cache-slang.outputs.cache-hit != 'true' # Only save on miss
+        uses: actions/cache/save@v4
+        with:
+          path: ~/.cache/slang
+          key: ${{ steps.setup.outputs.slang-cache-key }}
   # Run clippy lints.
   clippy:
+    needs: setup-slang # Depends on setup-slang
     name: Clippy
     runs-on: ubuntu-latest
+    env:
+      SLANG_DIR: ${{ needs.setup-slang.outputs.slang-dir }}
     timeout-minutes: 30
     steps:
       - name: Checkout repository
@@ -27,38 +82,61 @@ jobs:
           components: clippy
 
       - name: Install dependencies
-        run: sudo apt-get update; sudo apt-get install --no-install-recommends libasound2-dev libudev-dev libwayland-dev libxkbcommon-dev
+        run: sudo apt-get update; sudo apt-get install --no-install-recommends libwebkit2gtk-4.1-dev build-essential curl wget file libxdo-dev libssl-dev libayatana-appindicator3-dev librsvg2-dev
+
+      - name: Retrieve Cache for Slang
+        uses: actions/cache/restore@v4
+        with:
+          path: ~/.cache/slang
+          key: ${{ needs.setup-slang.outputs.slang-cache-key }}
 
       - name: Populate target directory from cache
         uses: Leafwing-Studios/cargo-cache@v2
         with:
           sweep-cache: true
 
       - name: Run clippy lints
-        run: cargo clippy --locked --workspace --all-targets --all-features -- --deny warnings
+        run: SLANG_DIR=$SLANG_DIR cargo clippy --locked --workspace --all-targets -- --deny warnings
 
-  # Check formatting.
-  format:
-    name: Format
+  # Check documentation.
+  doc:
+    needs: setup-slang # Depends on setup-slang
+    name: Docs
     runs-on: ubuntu-latest
     timeout-minutes: 30
+    env:
+      SLANG_DIR: ${{ needs.setup-slang.outputs.slang-dir }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
+
+      - name: Install dependencies
+        run: sudo apt-get update; sudo apt-get install --no-install-recommends libwebkit2gtk-4.1-dev build-essential curl wget file libxdo-dev libssl-dev libayatana-appindicator3-dev librsvg2-dev
+
+      - name: Retrieve Cache for Slang
+        uses: actions/cache/restore@v4
         with:
-          components: rustfmt
+          path: ~/.cache/slang
+          key: ${{ needs.setup-slang.outputs.slang-cache-key }}
 
-      - name: Run cargo fmt
-        run: cargo fmt --all -- --check
+      - name: Populate target directory from cache
+        uses: Leafwing-Studios/cargo-cache@v2
+        with:
+          sweep-cache: true
 
-  # Check documentation.
-  doc:
-    name: Docs
+      - name: Check documentation
+        run: SLANG_DIR=$SLANG_DIR cargo doc --locked --workspace --document-private-items --no-deps
+    # Testing.
+  test:
+    needs: setup-slang # Depends on setup-slang
+    name: Tests
     runs-on: ubuntu-latest
     timeout-minutes: 30
+    env:
+      SLANG_DIR: ${{ needs.setup-slang.outputs.slang-dir }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -67,12 +145,18 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
 
       - name: Install dependencies
-        run: sudo apt-get update; sudo apt-get install --no-install-recommends libasound2-dev libudev-dev libwayland-dev libxkbcommon-dev
+        run: sudo apt-get update; sudo apt-get install --no-install-recommends libwebkit2gtk-4.1-dev build-essential curl wget file libxdo-dev libssl-dev libayatana-appindicator3-dev librsvg2-dev
+
+      - name: Retrieve Cache for Slang
+        uses: actions/cache/restore@v4
+        with:
+          path: ~/.cache/slang
+          key: ${{ needs.setup-slang.outputs.slang-cache-key }}
 
       - name: Populate target directory from cache
         uses: Leafwing-Studios/cargo-cache@v2
         with:
           sweep-cache: true
-
-      - name: Check documentation
-        run: cargo doc --locked --workspace --all-features --document-private-items --no-deps
+      - name: Run Cargo Tests
+        run: |
+          SLANG_DIR=$SLANG_DIR cargo test --verbose