cache

.github/workflows/maven.yml

@@ -15,11 +15,17 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up JDK 16
-      uses: actions/setup-java@v2
-      with:
-        java-version: '16'
-        distribution: 'adopt'
-    - name: Build with Maven
-      run: mvn -B package --file pom.xml
+      - uses: actions/checkout@v2
+      - name: Set up JDK 16
+        uses: actions/setup-java@v2
+        with:
+          java-version: '16'
+          distribution: 'adopt'
+      - name: Cache Maven packages
+        uses: actions/cache@v2
+        with:
+          path: ~/.m2
+          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
+          restore-keys: ${{ runner.os }}-m2
+      - name: Build with Maven
+        run: mvn -B package --file pom.xml