Add github actions

.github/workflows/release.yml

@@ -0,0 +1,77 @@
+name: release
+on:
+  push:
+    tags:
+      - "**"
+jobs:
+  publish:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          # Fetch all history 
+          fetch-depth: 0
+      - name: Setup Java 21
+        uses: actions/setup-java@v2
+        with:
+          distribution: 'temurin'
+          java-version: '21'
+      - name: Maven Publish
+        id: maven_publish
+        env:
+          ARCHIVE_URL: ${{ secrets.TEACON_ARCHIVE_URL }}
+          ARCHIVE_ENDPOINT: ${{ secrets.TEACON_ARCHIVE_ENDPOINT }}
+          ARCHIVE_ACCESS_KEY: ${{ secrets.TEACON_ARCHIVE_ACCESS_KEY }}
+          ARCHIVE_SECRET_KEY: ${{ secrets.TEACON_ARCHIVE_SECRET_KEY }}
+        run: ./gradlew -Dorg.gradle.s3.endpoint=$ARCHIVE_ENDPOINT publishReleasePublicationToTeaconRepository githubActionOutput
+      - name: Generate Changelog
+        id: changelog
+        shell: bash
+        env:
+          CURRENT: ${{ github.ref }}
+          ARTIFACT_GIT_TAG: ${{ steps.maven_publish.outputs.artifact_git_tag }}
+        # Special thanks to this post on Stack Overflow regarding change set between two tags:
+        # https://stackoverflow.com/questions/12082981
+        # Do note that actions/checkout will enter detach mode by default, so you won't have 
+        # access to HEAD ref. Use GitHub-Action-supplied `github.ref` instead.
+        # Special thanks to this issue ticket regarding escaping newline:
+        # https://github.com/actions/create-release/issues/25
+        # We use Bash parameter expansion to do find-and-replace.
+        # https://www.gnu.org/software/bash/manual/html_node/Shell-Parameter-Expansion.html
+        # Also we cannot use git rev-list because it always prepend "commit <hash>"
+        # See https://stackoverflow.com/questions/36927089/
+        run: |
+          current_tag=${CURRENT/refs\/tags\//}
+          test "$current_tag" = "$ARTIFACT_GIT_TAG"
+          last_tag=`git describe --tags --abbrev=0 "$current_tag"^ 2>/dev/null || echo`
+          if [ last_tag ]; then
+          changelog=`git log --pretty="format:%H: %s" ${last_tag}..$current_tag`
+          else
+          changelog=`git log --pretty="format:%H: %s"`
+          fi
+          changelog="${changelog//'%'/'%25'}"
+          changelog="${changelog//$'\n'/'  %0A'}"
+          echo "::set-output name=value::Change set since ${last_tag:-the beginning}:  %0A%0A$changelog" | tee "$GITHUB_OUTPUT"
+      - name: GitHub Release
+        id: create_release
+        uses: actions/[email protected]
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: ${{ github.ref }}
+          draft: false
+          prerelease: false
+          body: |
+            ${{ steps.changelog.outputs.value }}
+      - name: GitHub Release Artifact
+        uses: actions/[email protected]
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ${{ steps.maven_publish.outputs.artifact_path }}
+          asset_name: ${{ steps.maven_publish.outputs.artifact_publish_name }}
+          # https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Common_types
+          asset_content_type: "application/java-archive"

.github/workflows/test-build.yml

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+name: test-build
+on: 
+  push:
+    paths:
+      - 'src/**'
+      - 'build.gradle'
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup Java 21
+        uses: actions/setup-java@v2
+        with:
+          distribution: 'temurin'
+          java-version: '21'
+      - name: Get Short Identifier
+        uses: benjlevesque/[email protected]
+        id: short-sha
+      - name: Build
+        id: build
+        env:
+          VERSION_IDENTIFIER: SNAPSHOT+${{ steps.short-sha.outputs.sha }}
+        run: ./gradlew build githubActionOutput --stacktrace
+      - name: GitHub Action Artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: ${{ steps.build.outputs.artifact_name }}
+          path: ${{ steps.build.outputs.artifact_path }}