changelog-requirement.yml

name: Changelog Requirement

on:
  pull_request:
    types: [ opened, synchronize, labeled, unlabeled ]
    paths:
      - 'kong/**'
      - '**.rockspec'
      - '.requirements'
      - 'changelog/**'

jobs:
  require-changelog:
    if: ${{ !contains(github.event.*.labels.*.name, 'skip-changelog') }}
    name: Requires changelog
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2

      - name: Find changelog files
        id: changelog-list
        uses: tj-actions/changed-files@6b2903bdce6310cfbddd87c418f253cf29b2dec9 # 44.5.6
        with:
          files_yaml: |
            changelogs:
              - 'changelog/unreleased/**/*.yml'
            upper_case:
              - 'CHANGELOG/**'
            numbered:
              - 'changelog/unreleased/**/[0-9]+.yml'

      - name: Check changelog existence
        if: steps.changelog-list.outputs.changelogs_any_changed == 'false'
        run: |
          echo "Changelog file expected but found none. If you believe this PR requires no changelog entry, label it with \"skip-changelog\"."
          echo "Refer to https://github.com/Kong/gateway-changelog for format guidelines."
          exit 1

      - name: Check correct case for changelog directory
        if: steps.changelog-list.outputs.upper_case_any_changed == 'true'
        run: |
          echo "Please use \"changelog\" (all lowercase) for changelog modifications."
          echo "Refer to https://github.com/Kong/gateway-changelog for format guidelines."
          echo "Bad file(s): ${{ steps.changelog-list.outputs.upper_case_all_changed_files }}"
          exit 1

      - name: Check descriptive filename for changelog entry
        if: steps.changelog-list.outputs.numbered_any_changed == 'true'
        run: |
          echo "Please use short descriptive name for changelog files instead of numbers."
          echo "E.g. bump_openresty.yml instead of 12345.yml."
          echo "Refer to https://github.com/Kong/gateway-changelog for format guidelines."
          echo "Bad file(s): ${{ steps.changelog-list.outputs.numbered_all_changed_files }}"
          exit 1

      - name: Fail when deprecated YAML keys are used
        run: |
          for file in ${{ steps.changelog-list.outputs.changelogs_all_changed_files }}; do
            if grep -q "prs:" $file || grep -q "jiras:" $file; then
              echo "Please do not include \"prs\" or \"jiras\" keys in new changelogs, put the JIRA number inside commit message and PR description instead."
              echo "Refer to https://github.com/Kong/gateway-changelog for format guidelines."
              echo "Bad file: $file"
              exit 1
            fi
          done