Introducing publishing code.

.github/workflows/build.yml

@@ -146,3 +146,37 @@ jobs:
           files: |
             bt*
             st*
+
+  publish:
+    name: Publish to Maven Central
+    if: github.ref_type == 'tag'
+    needs: [build-java, build-native]
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v7
+    - name: Set up JDK 21
+      uses: actions/setup-java@v6.0.0
+      with:
+        java-version: '21'
+        distribution: 'temurin'
+    - name: Setup Gradle
+      uses: gradle/actions/setup-gradle@v6
+    - name: Publish with Gradle
+      run: |
+        export ORG_GRADLE_PROJECT_signingKey=$(echo "$GPG_SIGNING_KEY_BASE64" | base64 -d)
+        ./gradlew build publish -x test
+      env:
+        ORG_GRADLE_PROJECT_ossrhUsername: ${{ secrets.OSSRH_USERNAME }}
+        ORG_GRADLE_PROJECT_ossrhPassword: ${{ secrets.OSSRH_TOKEN }}
+        ORG_GRADLE_PROJECT_signingPassword: ${{ secrets.GPG_SIGNING_PASSPHRASE }}
+        GPG_SIGNING_KEY_BASE64: ${{ secrets.GPG_SIGNING_KEY_BASE64 }}
+        ORG_GRADLE_PROJECT_signingKeyId: ${{ secrets.GPG_SIGNING_KEY_ID }}
+    - name: Setup .netrc file
+      uses: extractions/netrc@v3
+      with:
+        machine: ossrh-staging-api.central.sonatype.com
+        username: ${{ secrets.OSSRH_USERNAME }}
+        password: ${{ secrets.OSSRH_TOKEN }}
+    - name: Finish publishing
+      run: ./scripts/finish-publishing.sh