release.yml

name: release

on:
  push:
    branches:
    - main

  workflow_dispatch:

permissions:
  contents: write
  pull-requests: write

jobs:
  release:
    name: release
    runs-on: ubuntu-latest
    outputs:
      # if PR is created from rpa output branch name to trigger readme docs wf
      rpaHeadBranchName: ${{ steps.job-output.outputs.headBranchName }}

    steps:
    - name: checkout repository
      uses: actions/checkout@v6

    # because releases are orphan commits (no history) relase-plase needs a
    # base commit to create the diff from. Because of that the release contains
    # the commit sha inside a HTML comment at the bottom of the release body.
    - name: fetch commit of latest release
      shell: bash
      id: base-commit
      env:
        GH_TOKEN: ${{ github.token }}
      run: |
        RELEASE_BASE_COMMIT=$(gh api \
          /repos/${{ github.repository }}/releases/latest \
          | jq '.body' \
          | grep -Eo '<!-- base-commit: [0-9a-f]{5,40} -->' \
          | cut -d ' ' -f3 \
          || true)

        echo "base-commit-sha: ${RELEASE_BASE_COMMIT}"
        echo "sha=${RELEASE_BASE_COMMIT}" >> "$GITHUB_OUTPUT"

    - uses: google-github-actions/release-please-action@v3
      id: rpa
      with:
        last-release-sha: ${{ steps.base-commit.outputs.sha }}
        # prerelease will be published later from orphan commit
        prerelease: true
        release-type: node
        pull-request-title-pattern: "chore(release): ${component} ${version}"
        changelog-types: >
          [
            { "type": "feat", "section": "Features" },
            { "type": "fix", "section": "Bug Fixes" },
            { "type": "revert", "section": "Reverts" },
            { "type": "chore", "section": "Miscellaneous Chores" },
            { "type": "docs", "section": "Documentation" },
            { "type": "test", "section": "Tests", "hidden": "true" },
            { "type": "ci", "section": "Continuous Integration", "hidden": "true" }
          ]

    - name: output rpa headBranchName if present
      id: job-output
      shell: bash
      run: |
        RPA_PR_JSON='${{ steps.rpa.outputs.pr }}'
        headBranchName=$(echo $RPA_PR_JSON | tr -d '\n' | jq -r '.headBranchName')
        if [ "${headBranchName}" ]; then
          echo "::debug::Found headBranchName"
          echo "headBranchName=${headBranchName}" >> "$GITHUB_OUTPUT"
        else
          echo "::debug::NO headBranchName found"
        fi

    - name: install Task
      if: ${{ steps.rpa.outputs.release_created }}
      shell: bash
      run: |
        sh -c "$(curl --location https://taskfile.dev/install.sh)" -- -d -b ~/.local/bin

    - name: built binaries
      if: ${{ steps.rpa.outputs.release_created }}
      shell: bash
      run: task release

    - name: update release (use orpahn commit)
      if: ${{ steps.rpa.outputs.release_created }}
      shell: bash
      env:
        GH_TOKEN: ${{ github.token }}
      run: |
        COMMIT_MAIN=$(git rev-parse HEAD)
        echo "::debug::COMMIT_MAIN> ${COMMIT_MAIN}"

        echo "::debug::creating orphan branch"
        git checkout --orphan release
        git rm --cached -r .
        git add --force dist/ README.md LICENSE action.yml

        echo "::debug::configuring github user"
        git config --global user.name "github-actions[bot]"
        git config --global user.email "github-actions[bot]@users.noreply.github.com"

        echo "::debug::creating orphan release commit"
        git commit \
          -m "chore: release ${{ steps.rpa.outputs.tag_name }} (orphan)"

        echo "::debug::pushing tag ${{ steps.rpa.outputs.tag_name }}"
        git tag "${{ steps.rpa.outputs.tag_name }}" --force
        git push origin "${{ steps.rpa.outputs.tag_name }}" --force

        echo "::debug::pushing tag v${{ steps.rpa.outputs.major }}.${{ steps.rpa.outputs.minor }}"
        git tag "v${{ steps.rpa.outputs.major }}.${{ steps.rpa.outputs.minor }}" --force
        git push origin "v${{ steps.rpa.outputs.major }}.${{ steps.rpa.outputs.minor }}" --force

        echo "::debug::pushing tag v${{ steps.rpa.outputs.major }}"
        git tag "v${{ steps.rpa.outputs.major }}" --force
        git push origin "v${{ steps.rpa.outputs.major }}" --force

        echo "::debug::pushing tag latest"
        git tag latest --force
        git push origin latest --force


        echo "::debug::reading gh release body ${{ steps.rpa.outputs.tag_name }}"
        gh release view "${{ steps.rpa.outputs.tag_name }}" \
          --json body \
          --jq '.body' \
          > release-msg.txt

        echo "::debug::adding base-commit to release body file"
        echo -e -n "\n\n<!-- base-commit: ${COMMIT_MAIN} -->" >> release-msg.txt

        echo "::debug::updating gh release ${{ steps.rpa.outputs.tag_name }}"
        gh release edit "${{ steps.rpa.outputs.tag_name }}" \
          --draft=false \
          --latest \
          --notes-file release-msg.txt

  readme-update-pr:
    name: Readme update PR
    needs: release
    uses: ./.github/workflows/readme-docs.yml
    if: ${{ needs.release.outputs.rpaHeadBranchName != '' }}
    with:
      branch: ${{ needs.release.outputs.rpaHeadBranchName }}