Add initial GitHub Actions CI

.github/workflows/ci.yml

@@ -0,0 +1,109 @@
+name: Simple build & test
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  tests:
+    name: ${{ matrix.make.name }} (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        rust: [stable, nightly]
+        task:
+          - name: Clippy
+            cmd: "cargo clippy -D warnings"
+          - name: Test
+            cmd: "cargo test"
+          - name: Format
+            cmd: "cargo fmt --all --check"
+          - name: Build
+            cmd: "cargo build --frozen --release"
+        include:
+          - os: ubuntu-latest
+            sccache-path: /home/runner/.cache/sccache
+          - os: macos-latest
+            sccache-path: /Users/runner/Library/Caches/Mozilla.sccache
+        exclude:
+          - os: macos-latest
+            rust: stable
+            task:
+              name: Clippy
+          - os: macos-latest
+            rust: nightly
+            task:
+              name: Clippy
+          - os: macos-latest
+            rust: stable
+            task:
+              name: Format
+          - os: macos-latest
+            rust: nightly
+            task:
+              name: Format
+    env:
+      RUST_BACKTRACE: full
+      RUSTC_WRAPPER: sccache
+      RUSTV: ${{ matrix.rust }}
+      SCCACHE_CACHE_SIZE: 2G
+      SCCACHE_DIR: ${{ matrix.sccache-path }}
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install sccache (ubuntu-latest)
+        if: matrix.os == 'ubuntu-latest'
+        env:
+          LINK: https://github.com/mozilla/sccache/releases/download
+          SCCACHE_VERSION: 0.2.13
+        run: |
+          SCCACHE_FILE=sccache-$SCCACHE_VERSION-x86_64-unknown-linux-musl
+          mkdir -p $HOME/.local/bin
+          curl -L "$LINK/$SCCACHE_VERSION/$SCCACHE_FILE.tar.gz" | tar xz
+          mv -f $SCCACHE_FILE/sccache $HOME/.local/bin/sccache
+          echo "$HOME/.local/bin" >> $GITHUB_PATH          
+      - name: Install sccache (macos-latest)
+        if: matrix.os == 'macos-latest'
+        run: |
+          brew update
+          brew install sccache          
+      - name: Install Rust ${{ matrix.rust }}
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.rust }}
+          profile: minimal
+          override: true
+      - name: Cache cargo registry
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git            
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-cargo-            
+      - name: Save sccache
+        uses: actions/cache@v2
+        with:
+          path: ${{ matrix.sccache-path }}
+          key: ${{ runner.os }}-sccache-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-sccache-            
+      - name: Start sccache server
+        run: sccache --start-server
+      - name: Install rustfmt
+        if: matrix.task.name == 'Format'
+        run: rustup component add rustfmt
+      - name: ${{ matrix.task.name }}
+        run: ${{ matrix.task.cmd }}
+      - name: Print sccache stats
+        run: sccache --show-stats
+      - name: Stop sccache server
+        run: sccache --stop-server
+        continue-on-error: true