Add release GHA flow

.github/workflows/release.yml

@@ -0,0 +1,44 @@
+name: Release Hop
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Evaluate release type
+        run:  ci/evaluate-release.sh
+      - name: Set up JDK
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'temurin'
+          java-version: '11'
+          cache: 'maven'
+          server-id: ${{ env.maven_server_id }}
+          server-username: MAVEN_USERNAME
+          server-password: MAVEN_PASSWORD
+          gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }}
+          gpg-passphrase: MAVEN_GPG_PASSPHRASE
+      - name: Release Hop (GA)
+        if: ${{ env.ga_release == 'true' }}
+        run:  |
+          git config user.name "rabbitmq-ci"
+          git config user.email "rabbitmq-ci@users.noreply.github.com"
+          ci/release-hop.sh
+        env:
+          MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+          MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}
+          MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}
+      - name: Release Hop (Milestone/RC)
+        if: ${{ env.ga_release != 'true' }}
+        run:  |
+          git config user.name "rabbitmq-ci"
+          git config user.email "rabbitmq-ci@users.noreply.github.com"
+          ci/release-hop.sh
+        env:
+          MAVEN_USERNAME: ''
+          MAVEN_PASSWORD: ${{ secrets.PACKAGECLOUD_TOKEN }}
+          MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}

ci/evaluate-release.sh

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+#!/usr/bin/env bash
+
+source ./release-versions.txt
+
+if [[ $RELEASE_VERSION == *[RCM]* ]]
+then
+  echo "prerelease=true" >> $GITHUB_ENV
+  echo "ga_release=false" >> $GITHUB_ENV
+  echo "maven_server_id=packagecloud-rabbitmq-maven-milestones" >> $GITHUB_ENV
+else
+  echo "prerelease=false" >> $GITHUB_ENV
+  echo "ga_release=true" >> $GITHUB_ENV
+  echo "maven_server_id=ossrh" >> $GITHUB_ENV
+fi

ci/release-hop.sh

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+#!/usr/bin/env bash
+
+source ./release-versions.txt
+git checkout $RELEASE_BRANCH
+
+./mvnw release:clean release:prepare -DdryRun=true -Darguments="-DskipTests" --no-transfer-progress \
+  --batch-mode -Dtag="v$RELEASE_VERSION" \
+  -DreleaseVersion=$RELEASE_VERSION \
+  -DdevelopmentVersion=$DEVELOPMENT_VERSION \
+
+./mvnw release:clean release:prepare -Darguments="-DskipTests" --no-transfer-progress \
+  --batch-mode -Dtag="v$RELEASE_VERSION" \
+  -DreleaseVersion=$RELEASE_VERSION \
+  -DdevelopmentVersion=$DEVELOPMENT_VERSION
+
+git checkout "v$RELEASE_VERSION"
+
+if [[ $RELEASE_VERSION == *[RCM]* ]]
+then
+  MAVEN_PROFILE="milestone"
+  echo "prerelease=true" >> $GITHUB_ENV
+else
+  MAVEN_PROFILE="release"
+  echo "prerelease=false" >> $GITHUB_ENV
+fi
+
+./mvnw clean deploy -P $MAVEN_PROFILE -DskipTests --no-transfer-progress