enable CD for the repository

.github/release-drafter.yml

@@ -1,5 +1 @@
-# https://github.com/jenkinsci/.github/blob/master/.github/release-drafter.adoc
 _extends: .github
-version-template: $MAJOR.$MINOR.$PATCH
-tag-template: jackson2-api-$NEXT_PATCH_VERSION
-name-template: $NEXT_PATCH_VERSION

.github/workflows/cd.yaml

@@ -0,0 +1,59 @@
+# Note: additional setup is required, see https://www.jenkins.io/redirect/continuous-delivery-of-plugins
+
+name: cd
+on:
+  workflow_dispatch:
+  check_run:
+    types:
+      - completed
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    outputs:
+      should_release: ${{ steps.verify-ci-status.outputs.result == 'success' && steps.interesting-categories.outputs.interesting == 'true' }}
+    steps:
+      - name: Verify CI status
+        uses: jenkins-infra/verify-ci-status-action@v1.2.0
+        id: verify-ci-status
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          output_result: true
+
+      - name: Release Drafter
+        uses: release-drafter/release-drafter@v5
+        if: steps.verify-ci-status.outputs.result == 'success'
+        with:
+          name: next
+          tag: next
+          version: next
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Check interesting categories
+        uses: jenkins-infra/interesting-category-action@v1.0.0
+        id: interesting-categories
+        if: steps.verify-ci-status.outputs.result == 'success'
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  release:
+    runs-on: ubuntu-latest
+    needs: [validate]
+    if: needs.validate.outputs.should_release == 'true'
+    steps:
+    - name: Check out
+      uses: actions/checkout@v2.3.4
+      with:
+        fetch-depth: 0
+    - name: Set up JDK 8
+      uses: actions/setup-java@v2
+      with:
+        distribution: 'adopt'
+        java-version: 8
+    - name: Release
+      uses: jenkins-infra/jenkins-maven-cd-action@v1.2.0
+      with:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
+        MAVEN_TOKEN: ${{ secrets.MAVEN_TOKEN }}

.mvn/maven.config

@@ -1,2 +1,3 @@
 -Pconsume-incrementals
 -Pmight-produce-incrementals
+-Dchangelist.format=%d.v%s

pom.xml

@@ -25,7 +25,7 @@
   </parent>
 
   <artifactId>jackson2-api</artifactId>
-  <version>${revision}${changelist}</version>
+  <version>${revision}-${changelist}</version>
   <packaging>hpi</packaging>
 
   <name>Jackson 2 API Plugin</name>
@@ -64,11 +64,11 @@
   </scm>
 
   <properties>
-    <revision>2.12.4-2</revision>
-    <changelist>-SNAPSHOT</changelist>
+    <revision>2.12.4</revision>
+    <changelist>999999-SNAPSHOT</changelist>
     <java.level>8</java.level>
     <jenkins.version>2.249.1</jenkins.version>
-    <jackson.version>2.12.4</jackson.version>
+    <jackson.version>${revision}</jackson.version>
     <jackson-databind.version>${jackson.version}</jackson-databind.version>
   </properties>