#165 Update Versions in README.md during Release Workflow

Author: dheid

.github/workflows/release.yml

@@ -21,13 +21,33 @@ jobs:
           git config user.name "Matomo Java Tracker"
       - id: version
         run: |
-          VERSION=$( mvn -B help:evaluate -Dexpression=project.version -q -DforceStdout )
-          echo "::set-output name=version::${VERSION%-SNAPSHOT}"
+          VERSION=$(mvn -B help:evaluate -Dexpression=project.version -q -DforceStdout)
+          echo "version=${VERSION%-SNAPSHOT}" >> $GITHUB_OUTPUT
       - run: mvn -B release:prepare release:perform
         env:
           OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
           OSSRH_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
           GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+      - name: Update README.md with release version
+        env:
+          RELEASE_VERSION: ${{ steps.version.outputs.version }}
+        run: |
+          # Update <version> tags in Maven XML snippets.
+          # The pattern intentionally excludes -SNAPSHOT versions because the regex
+          # requires </version> to follow immediately after the numeric version.
+          sed -i -E \
+            "s|<version>[0-9]+\.[0-9]+\.[0-9]+</version>|<version>${RELEASE_VERSION}</version>|g" \
+            README.md
+          # Update version in Gradle dependency snippets (Groovy and Kotlin DSL).
+          # Matches the groupId:artifactId:version pattern for this project's artifacts.
+          sed -i -E \
+            "s|(org\.piwik\.java\.tracking:[^:\"]+:)[0-9]+\.[0-9]+\.[0-9]+|\1${RELEASE_VERSION}|g" \
+            README.md
+          git add README.md
+          # Only commit if the file actually changed (idempotent on re-runs).
+          git diff --cached --quiet || \
+            git commit -m "[ci skip] Update README.md dependency snippets to ${RELEASE_VERSION}"
+          git push
       - uses: release-drafter/release-drafter@v7
         with:
           version: ${{ steps.version.outputs.version }}