Use GitHub 'release' event to trigger release

.github/workflows/release.yml

@@ -1,13 +1,8 @@
 name: Publish App
 
 on:
-  push:
-    branches-ignore:
-      - '*'
-      - '*/**'
-    tags:
-      - '*'
-      - '*/**'
+  release:
+    types: [published]
 
 jobs:
   publish:
@@ -32,19 +27,17 @@ jobs:
           echo "$SSH_KEY" | base64 -d > ssh_key
           chmod 600 ssh_key
 
-      - name: Set tag variable
-        run: echo "TAG=$(echo ${GITHUB_REF:10})" >> $GITHUB_ENV
-
       - name: Publish APK to download.kiwix.org
         env:
           KEY_ALIAS: ${{ secrets.KEY_ALIAS }}
           KEY_PASSWORD: ${{ secrets.KEY_PASSWORD }}
           KEY_STORE_PASSWORD: ${{ secrets.KEY_STORE_PASSWORD }}
           UNIVERSAL_RELEASE_APK: app/build/outputs/apk/release/*universal*.apk
+          ARCHIVE_NAME: kiwix-${{ github.event.release.tag_name }}.apk
         run: |
           ./gradlew assembleRelease
-          cp $UNIVERSAL_RELEASE_APK kiwix-${TAG}.apk
-          scp -P 30022 -vrp -i ssh_key -o StrictHostKeyChecking=no kiwix-${TAG}.apk ci@master.download.kiwix.org:/data/download/release/kiwix-android/
+          cp "$UNIVERSAL_RELEASE_APK" "$ARCHIVE_NAME"
+          scp -P 30022 -vrp -i ssh_key -o StrictHostKeyChecking=no "$ARCHIVE_NAME" ci@master.download.kiwix.org:/data/download/release/kiwix-android/
 
 #      This is temporary, once we will publish 3.7.0 then we will uncommented this code.
 #      # This is necessary for F-Droid