Pack artifacts

.github/workflows/main.yaml

@@ -3,7 +3,7 @@ name: Java CI
 on: [push]
 
 jobs:
-  build:
+  tests:
     runs-on: ubuntu-latest
 
     steps:
@@ -14,4 +14,22 @@ jobs:
           java-version: '11'
           distribution: 'adopt'
       - name: Build with Maven
-        run: mvn --batch-mode --update-snapshots verify
+        run: mvn --batch-mode --update-snapshots verify
+          
+  pack-artifacts:
+    runs-on: ubuntu-latest
+    needs: tests
+    if: github.ref == 'refs/heads/master'
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 11
+        uses: actions/setup-java@v2
+        with:
+          java-version: '11'
+          distribution: 'adopt'
+      - name: Build with Maven
+        run: mvn --batch-mode --update-snapshots verify
+      - uses: actions/upload-artifact@v2
+        with:
+          name: artifacts
+          path: ${{ github.workspace }}/*/target/*.jar