Add backport GitHub Action workflow

.github/dependabot.yml

@@ -3,7 +3,7 @@ version: 2
 updates:
  - package-ecosystem: "github-actions"
  directory: "/"
- labels: ["area/build"]
+ labels: ["area/ci", "dependencies"]
  schedule:
- # by default this will be on a monday.
+ # By default, this will be on a monday.
  interval: "weekly"

.github/labels.yaml

@@ -0,0 +1,49 @@
+# Configuration file to declaratively configure labels
+# Ref: https://github.com/EndBug/label-sync#Config-files
+
+- name: area/bootstrap
+ description: Bootstrap related issues and pull requests
+ color: '#86efc9'
+- name: area/install
+ description: Install and uninstall related issues and pull requests
+ color: '#86efc9'
+- name: area/diff
+ description: Diff related issues and pull requests
+ color: '#BA4192'
+- name: area/bucket
+ description: Bucket related issues and pull requests
+ color: '#00b140'
+- name: area/git
+ description: Git related issues and pull requests
+ color: '#863faf'
+- name: area/oci
+ description: OCI related issues and pull requests
+ color: '#c739ff'
+- name: area/kustomization
+ description: Kustomization related issues and pull requests
+ color: '#00e54d'
+- name: area/helm
+ description: Helm related issues and pull requests
+ color: '#1673b6'
+- name: area/image-automation
+ description: Automated image updates related issues and pull requests
+ color: '#c5def5'
+- name: area/monitoring
+ description: Monitoring related issues and pull requests
+ color: '#dd75ae'
+- name: area/multi-tenancy
+ description: Multi-tenancy related issues and pull requests
+ color: '#72CDBD'
+- name: area/notification
+ description: Notification API related issues and pull requests
+ color: '#434ec1'
+- name: area/source
+ description: Source API related issues and pull requests
+ color: '#863faf'
+- name: area/rfc
+ description: Feature request proposals in the RFC format
+ color: '#D621C3'
+ aliases: ['area/RFC']
+- name: backport:release/v2.0.x
+ description: To be backported to release/v2.0.x
+ color: '#ffd700'

.github/workflows/backport.yaml

@@ -0,0 +1,32 @@
+name: backport
+
+on:
+ pull_request_target:
+ types: [closed, labeled]
+
+permissions:
+ contents: read
+
+jobs:
+ pull-request:
+ runs-on: ubuntu-latest
+ permissions:
+ contents: write
+ pull-requests: write
+ if: github.event.pull_request.state == 'closed' && github.event.pull_request.merged && (github.event_name != 'labeled' || startsWith('backport:', github.event.label.name))
+ steps:
+ - name: Checkout
+ uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+ with:
+ ref: ${{ github.event.pull_request.head.sha }}
+ - name: Create backport PRs
+ uses: korthout/backport-action@bf5fdd624b35f95d5b85991a728bd5744e8c6cf2 # v1.3.1
+ # xref: https://github.com/korthout/backport-action#inputs
+ with:
+ # Match labels with a pattern `backport:<target-branch>`
+ label_pattern: '^backport:([^ ]+)$'
+ # A bit shorter pull-request title than the default
+ pull_title: '[${target_branch}] ${pull_title}'
+ # Simpler PR description than default
+ pull_description: |-
+ Automated backport to `${target_branch}`, triggered by a label in #${pull_number}.

.github/workflows/sync-labels.yaml

@@ -0,0 +1,28 @@
+name: sync-labels
+on:
+ workflow_dispatch:
+ push:
+ branches:
+ - main
+ paths:
+ - .github/labels.yaml
+
+permissions:
+ contents: read
+
+jobs:
+ labels:
+ name: Run sync
+ runs-on: ubuntu-latest
+ permissions:
+ issues: write
+ steps:
+ - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+ - uses: EndBug/label-sync@da00f2c11fdb78e4fae44adac2fdd713778ea3e8 # v2.3.2
+ with:
+ # Configuration file
+ config-file: |
+ https://raw.githubusercontent.com/fluxcd/community/main/.github/standard-labels.yaml
+ .github/labels.yaml
+ # Strictly declarative
+ delete-other-labels: true