release.yml

name: Publish a release

on:
  workflow_dispatch:
    inputs:
      release_type:
        required: true
        type: choice
        options:
          - patch
          - minor
          - major

env:
  PR_BRANCH: release-ci-${{ github.sha }}

jobs:

  prepare_metadata:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.bump_version.outputs.version }}
      release_sha: ${{ steps.merge_pr.outputs.sha }}
    permissions:
      contents: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Set up git
        run: |
          git config --global user.email "ci@bucharjan.cz"
          git config --global user.name "Jan Buchar"
      - name: Create branch
        run: |
          git switch -c ${{ env.PR_BRANCH }}
      - name: Bump version in package.json
        id: bump_version
        run: |
          npm version ${{ github.event.inputs.release_type }}
          echo version=$( node -p "require('./package.json').version" ) >> "$GITHUB_OUTPUT"
          git push --set-upstream origin ${{ env.PR_BRANCH }}
      - name: Create PR
        run: |
          gh pr create \
            --base master \
            --head ${{ env.PR_BRANCH }} \
            --title "chore: Release ${{ steps.bump_version.outputs.version }} [skip-ci]" \
            --body "Automated pull request - update to ${{ steps.bump_version.outputs.version }}"
        env:
          GH_TOKEN: ${{ github.token }}
      - name: Approve and merge PR
        id: merge_pr
        run: |
          gh pr review --approve ${{ env.PR_BRANCH }}
          gh pr merge --squash --auto --delete-branch ${{ env.PR_BRANCH }}
          echo sha=$( gh pr view --json mergeCommit ${{ env.PR_BRANCH }} | jq --raw-output .mergeCommit.oid ) >> "$GITHUB_OUTPUT"
        env:
          GH_TOKEN: ${{ secrets.PERSONAL_TOKEN }}

  gh_release:
    runs-on: ubuntu-latest
    needs: prepare_metadata
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Create release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: release-${{ needs.prepare_metadata.outputs.version }}
          name: Release ${{ needs.prepare_metadata.outputs.version }}
          target_commitish: ${{ needs.prepare_metadata.outputs.release_sha }}