publish only snapshots for ci

@@ -17,11 +17,13 @@ jobs:
       uses: actions/checkout@v2.3.4
       with:
         path: ./client-sdk-android
+
     - name: checkout protocol
       uses: actions/checkout@v2.3.4
       with:
         repository: livekit/protocol
         path: ./protocol
+
     - name: set up JDK 12
       uses: actions/setup-java@v2
       with:
@@ -33,7 +35,12 @@ jobs:
     - name: Build with Gradle
       run: ./gradlew livekit-android-sdk:assembleRelease
 
+    - name: get version name
+      run: echo "::set-output name=version_name::$(cat gradle.properties | grep VERSION_NAME | cut -d "=" -f2)"
+      id: version_name
+
     - name: Create gpg key and import into gradle properties
+      if: contains("SNAPSHOT",steps.version_name.outputs.version_name)
       run: |
         echo $GPG_KEY_ARMOR | base64 --decode > ./release.asc
         gpg --quiet --output $GITHUB_WORKSPACE/release.gpg --dearmor ./release.asc
@@ -50,4 +57,5 @@ jobs:
         NEXUS_PASSWORD: ${{ secrets.NEXUS_PASSWORD }}
 
     - name: Publish snapshot
-      run: ./gradlew publish closeAndReleaseRepository
\ No newline at end of file
+      if: contains("SNAPSHOT",steps.version_name.outputs.version_name)
+      run: ./gradlew publish
\ No newline at end of file