release.yml

---
name: release

on:
  workflow_dispatch:
    inputs:
      version:
        description: Tag name (e.g. v1.2.3) for this version (does not need to exist).
        required: true
        type: string
      last_release:
        description: Last release tag.
        required: true
        type: string

permissions:
  contents: read

jobs:
  draft:
    permissions:
      contents: write
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0 # Need full history.

      - name: release notes
        run: |
          go run github.com/hashicorp/go-changelog/cmd/changelog-build@ba40b3a \
            -changelog-template .github/release/changelog.gotmpl \
            -note-template .github/release/release-note.gotmpl \
            -entries-dir ./.changelog \
            -last-release "${{ inputs.last_release }}" \
            -this-release HEAD | tee /tmp/release-notes.txt

          cat << EOF >> /tmp/release-notes.txt
          DOWNLOAD:

          - \`docker pull docker.elastic.co/observability/stream:${{ inputs.version }}\`
          EOF

      - name: draft GH release
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          gh release create "${{ inputs.version }}" \
          --draft \
          --notes-file /tmp/release-notes.txt \
          --title "${{ inputs.version }}"