Tag-Release pipeline

.github/workflows/on_release_tag_created.yaml

@@ -0,0 +1,63 @@
+name: Release a newly pushed release tag
+
+on:
+  push:
+    branches:
+      - "!*"
+    tags:
+      - "v*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 13
+        uses: actions/setup-java@v1
+        with:
+          java-version: 13
+
+      - name: Cache Maven packages
+        uses: actions/cache@v2
+        with:
+          path: ~/.m2
+          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
+          restore-keys: ${{ runner.os }}-m2
+
+      - name: Get Version from Tag
+        id: get_version
+        uses: battila7/get-version-action@v2
+
+      - name: Set tag name as version
+        run: mvn -B versions:set -DnewVersion=${{ steps.get_version.outputs.version-without-v }} --file pom.xml
+
+      - name: Build with Maven
+        run: mvn -B package --file pom.xml
+
+      - name: TGZ up the release
+        run: mkdir release && mkdir release/mediatheken-dlna-bridge-${{ steps.get_version.outputs.version-without-v }} && cp -r target/*.jar target/libraries release/mediatheken-dlna-bridge-${{ steps.get_version.outputs.version-without-v }} && cd release && tar cvfz mediatheken-dlna-bridge-${{ steps.get_version.outputs.version-without-v }}.tar.gz mediatheken-dlna-bridge-${{ steps.get_version.outputs.version-without-v }}
+
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions, you do not need to create your own token
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          body: |
+            Change logs are still a TODO in this project
+          draft: false
+          prerelease: true
+
+      - name: Upload Release Asset
+        id: upload-release-asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps
+          asset_path: release/mediatheken-dlna-bridge-${{ steps.get_version.outputs.version-without-v }}.tar.gz
+          asset_name: mediatheken-dlna-bridge-${{ steps.get_version.outputs.version-without-v }}.tar.gz
+          asset_content_type: application/tar+gzip