automatically build using github actions

.github/workflows/build.yml

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+name: Build-and-Publish
+
+on:
+  # triggers on pushes with tag
+  push:
+    tags:
+      - '*.*'
+
+jobs:
+  # build the apk for release
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      # check out repo with submodules
+      - name: Checkout Repo
+        uses: actions/checkout@v2
+        with:
+          ref: senpai
+          submodules: recursive
+
+      # setup jdk 1.8
+      - name: Set up JDK
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+
+      # make gradlew executeable
+      - name: Make Gradle Executable
+        run: chmod +x ./gradlew
+
+      # build using gradle
+      - name: Build with Gradle
+        run: ./gradlew build
+
+      # build apk
+      - name: Build Release APK
+        run: ./gradlew assembleRelease
+
+      # sign APK
+      - name: Sign APK
+        id: sign_apk
+        uses: r0adkll/sign-android-release@v1
+        with:
+          releaseDirectory: app/build/outputs/apk/release
+          signingKeyBase64: ${{ secrets.SIGNING_KEY }}
+          alias: ${{ secrets.ALIAS }}
+          keyStorePassword: ${{ secrets.KEY_STORE_PASSWORD }}
+          keyPassword: ${{ secrets.KEY_PASSWORD }}
+
+      # rename signed apk
+      - name: Rename Signed APK
+        run: mv ${{ steps.sign_apk.outputs.signedReleaseFile }} ./tenshi-content.apk
+
+      # upload artifact
+      - name: Upload APK Artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: apk-build
+          path: ./tenshi-content.apk
+
+  # upload the built apk to github release
+  upload_github:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      # download artifact from previous step
+      - name: Download APK Artifact
+        uses: actions/download-artifact@v2
+        with:
+          name: apk-build
+          path: ./
+
+      # generate apk checksum
+      - name: "Generate APK Checksum"
+        run: sha256sum ./tenshi-content.apk > tenshi-content.sha256
+
+      # add apk to release
+      - name: Add APK to release
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          body: automatic build
+          files: |
+            ./tenshi-content.apk
+            ./tenshi-content.sha256
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}     
+

make-release.bat

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+:: automatic release using git flow release
+:: usage: make-release <RELEASE_TAG>
+
+@echo off
+:: check param 1 is set
+IF "%~1" == "" (
+    echo No RELEASE_TAG specified.
+    goto:eof
+    exit 1
+)
+
+:: user confirm
+echo Will create a release %~1
+pause
+
+:: start a new release
+git flow release start %~1
+
+:: checkout release branch on submodule extension-lib
+git submodule update --init --recursive --remote
+pushd .\Extensions-Lib\
+git checkout senpai
+popd
+
+:: pause for last- minute changes
+echo.
+echo pausing now. do your last- minute changes now or undo with 'git flow release delete %~1'
+echo checklist:
+echo [ ] Project Compiles correctly
+echo [ ] Tag %~1 does not already exist
+echo [ ] Switch Extensions-Lib to senpai branch (auto)
+echo [ ] Set Version in build.gradle
+echo [ ] WebAdapter: Constants adjusted (DEBUG_MODE false, BASE_URL set to release repo)
+pause
+pause
+
+:: finish the release
+git flow release finish %~1
+
+:: push all branches
+git push --all
+
+:: push tags to remote (triggers auto- build)
+git push --tags