release.yml

name: Release if bump version number

on:
  push:
    branches:
      - master
    paths:
      - package.json

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions: { }

defaults:
  run:
    shell: bash

jobs:
  check-bump-version:
    if: github.event.pull_request.head.repo.fork == false # Skip on public fork
    runs-on: ubuntu-slim
    timeout-minutes: 5
    permissions:
      contents: read
    outputs:
      new-version: ${{ steps.diff.outputs.version }}

    steps:
      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
        with:
          fetch-depth: 100

      - name: Get version number diff
        run: |
          version="$(git diff ${{ github.event.before }}..${{ github.event.after }} package.json | sed -nr '/^\+ +\"version\":/p' | sed -r 's/^.*\"([0-9a-z\.\-\+]+)\"*.$/\1/')"
          echo "version=$version" >> "$GITHUB_OUTPUT"
        id: diff

  release:
    needs: check-bump-version
    if: ${{ needs.check-bump-version.outputs.new-version }}
    runs-on: ubuntu-slim
    timeout-minutes: 5
    permissions:
      contents: write
      pull-requests: read
      actions: read

    steps:
      - uses: release-drafter/release-drafter@b1476f6e6eb133afa41ed8589daba6dc69b4d3f5 # v6
        with:
          config-name: release-drafter.yml
          version: v${{ needs.check-bump-version.outputs.new-version }}
          publish: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6

      - name: Update major and latest branch # for GitHub Actions, see https://github.com/actions/toolkit/blob/master/docs/action-versioning.md#versioning
        run: |
          major=$(echo v"${{ needs.check-bump-version.outputs.new-version }}" | sed -r 's/(v[0-9]+).*/\1/')
          git push --force origin "HEAD:refs/heads/$major"
          git push --force origin "HEAD:refs/heads/latest"