Update build.yml

Author: qoomon

.github/workflows/build.yml

@@ -15,8 +15,17 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - name: Enhance GitHub Environment Variables
-      run: echo ::set-env name=GITHUB_REF_NAME::${GITHUB_REF#refs/*/}
+    - name: Add GITHUB Environment Variables
+      run: |
+        echo "GITHUB_REF_NAME=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+        if [[ "${GITHUB_REF}" = refs/heads/* ]]
+        then 
+          echo "GITHUB_BRANCH=${GITHUB_REF#refs/heads/}" >> $GITHUB_ENV
+        elif [[ "${GITHUB_REF}" = refs/tags/* ]]
+        then 
+          echo "GITHUB_TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
+        fi
+        
     - uses: actions/checkout@v2
     - name: Set up JDK 1.8
       uses: actions/setup-java@v1