release-pr.yaml

name: Release PR

on:
  pull_request:
    branches:
      - master

jobs:
  checks:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout current
        uses: actions/checkout@v3
      - name: Get state current
        run: |
          hash=$(sha1sum CHANGELOG.md | cut -f1 -d' ')
          version=$(jq -r '.version' package.json)
          echo "pr_pkg_version=$version" >> $GITHUB_ENV 
          echo "pr_changelog_hash=$hash" >> $GITHUB_ENV
      - name: Check if release exists
        run: |
          curl --fail --silent --max-time 5 "https://api.github.com/repos/${GITHUB_REPOSITORY}/releases/tags/${{ env.pr_pkg_version }}" && echo "release_exists=true" >> $GITHUB_ENV || echo "release_exists=false" >> $GITHUB_ENV
      - name: Checkout master
        uses: actions/checkout@v3
        with:
          ref: master
      - name: Get state master
        run: |
          hash=$(sha1sum CHANGELOG.md | cut -f1 -d' ')
          version=$(jq -r '.version' package.json)
          echo "master_pkg_version=$version" >> $GITHUB_ENV
          echo "master_changelog_hash=$hash" >> $GITHUB_ENV
      - name: Ensure changelog updated if version changed
        run: |
          [ "${{ env.release_exists }}" == "false" ] && [ "${{ env.pr_changelog_hash }}" = "${{ env.master_changelog_hash }}" ] && echo "Error: no changes in changelog detected for the release" && exit 1 || exit 0