setup maven cd workflow (#1)

Co-authored-by: Jesse Glick <[email protected]>

.editorconfig

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+root = true
+
+[*]
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_style = space
+indent_size = 2

.gitattributes

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+* text eol=lf working-tree-encoding=UTF-8

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/maven-cd.yml

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+# Note: additional setup is required, see https://www.jenkins.io/redirect/continuous-delivery-of-plugins
+
+name: maven-cd
+on:
+  workflow_call:
+    secrets:
+      MAVEN_USERNAME:
+        required: true
+        description: Maven username used for deploying the plugin jar to Jenkins Artifactory Repository
+      MAVEN_TOKEN:
+        required: true
+        description: Maven token used for deploying the plugin jar to Jenkins Artifactory Repository
+
+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/[email protected]
+        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/[email protected]
+        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@v3
+      with:
+        fetch-depth: 0
+
+    - name: Set up JDK 8
+      uses: actions/setup-java@v3
+      with:
+        distribution: temurin
+        java-version: 8
+
+    - name: Release
+      uses: jenkins-infra/[email protected]
+      with:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
+        MAVEN_TOKEN: ${{ secrets.MAVEN_TOKEN }}

README.md

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 # github-reusable-workflows
+
 Repository for reusable workflows