bump.yml

name: Bump version

on:
  workflow_dispatch:
    inputs:
      semver:
        description: "Which SemVer"
        required: true
        default: "patch"
        type: choice
        options:
          - major
          - minor
          - patch
  workflow_call:
    inputs:
      semver:
        description: The image_name to build for.
        required: true
        type: string
jobs:
  bump:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: generate new version and save to env variable
        uses: actions/github-script@v7
        id: github_releases
        with:
          result-encoding: string
          script: |
            const release = await github.rest.repos.getLatestRelease(
              {
                owner: context.repo.owner,
                repo: context.repo.repo,
              }
            );
            return release.data.tag_name;

      - name: semver
        id: get_version
        run: echo "NEW_VERSION=$(docker run --rm alpine/semver semver -c -i ${{ inputs.semver }} ${{ steps.github_releases.outputs.result }})" >> "$GITHUB_OUTPUT"

      - name: Generate release notes
        uses: actions/github-script@v7
        id: get_release_note
        env:
          NEW_VERSION: ${{steps.get_version.outputs.NEW_VERSION}}
        with:
          result-encoding: string
          script: |
            const notes = await github.rest.repos.generateReleaseNotes(
              {
                owner: context.repo.owner,
                repo: context.repo.repo,
                tag_name: `v${process.env.NEW_VERSION}`,
                previous_tag_name: '${{ steps.github_releases.outputs.result }}',
              }
            );
            return notes.data.body;

      - run: |
          cat << EOF >> new
          ## v${{ steps.get_version.outputs.NEW_VERSION }} ($(date '+%Y-%m-%d'))
          ${{ steps.get_release_note.outputs.result }}
          EOF
      - run: cat new ./CHANGELOG.md > temp
      - run: mv temp ./CHANGELOG.md
      - run: rm new

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v7
        with:
          base: main
          branch: release
          commit-message: "bump: v${{ steps.get_version.outputs.NEW_VERSION }}"
          body: ${{ steps.get_release_note.outputs.result  }}
          title: "chore: bump v${{ steps.get_version.outputs.NEW_VERSION }}"
          labels: |
            documentation
          draft: true
          milestone: "v${{ steps.get_version.outputs.NEW_VERSION }}"