create-rc.yml

name: Create RC on Release Branch

on:
  workflow_dispatch:
    inputs:
      release_branch:
        description: 'Release branch (e.g., release/v1.3)'
        required: true
        type: string
      dry_run:
        description: 'Dry run (simulate without pushing)'
        required: true
        default: false
        type: boolean

permissions:
  contents: read

jobs:
  create-rc:
    runs-on: ubuntu-latest
    outputs:
      rc_version: ${{ steps.create.outputs.RC_VERSION }}
      rc_tag: ${{ steps.create.outputs.RC_TAG }}
    steps:
    - name: Output Inputs
      run: echo "${{ toJSON(github.event.inputs) }}"

    - name: Check out repository
      uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
      with:
        token: ${{ secrets.LANCE_RELEASE_TOKEN }}
        fetch-depth: 0
        lfs: true

    - name: Setup release environment
      uses: ./.github/actions/setup-release-env

    - name: Create RC
      id: create
      run: |
        bash ci/create_rc.sh "${{ inputs.release_branch }}"

    - name: Create GitHub Discussion for voting
      if: ${{ !inputs.dry_run }}
      id: create_discussion
      env:
        GH_TOKEN: ${{ secrets.LANCE_RELEASE_TOKEN }}
        GITHUB_REPOSITORY: ${{ github.repository }}
      run: |
        DISCUSSION_URL=$(bash ci/create_rc_discussion.sh \
          "${{ steps.create.outputs.RC_TAG }}" \
          "${{ steps.create.outputs.RC_VERSION }}" \
          "${{ inputs.release_branch }}" \
          "${{ steps.create.outputs.RELEASE_TYPE }}")
        echo "DISCUSSION_URL=$DISCUSSION_URL" >> $GITHUB_OUTPUT

    - name: Push changes (if not dry run)
      if: ${{ !inputs.dry_run }}
      run: |
        git push origin "${{ inputs.release_branch }}"
        git push origin "${{ steps.create.outputs.RC_TAG }}"

    - name: Generate Release Notes (if not dry run)
      if: ${{ !inputs.dry_run }}
      id: rc_release_notes
      env:
        GH_TOKEN: ${{ secrets.LANCE_RELEASE_TOKEN }}
      run: |
        PREVIOUS_TAG="${{ steps.create.outputs.PREVIOUS_TAG }}"
        RC_TAG="${{ steps.create.outputs.RC_TAG }}"

        if [ -n "${PREVIOUS_TAG}" ]; then
          echo "Generating release notes from ${PREVIOUS_TAG} to ${RC_TAG}"
          NOTES=$(python ci/generate_release_notes.py ${PREVIOUS_TAG} ${RC_TAG})
        else
          echo "No previous tag found, using automatic generation"
          NOTES=$(gh api repos/${{ github.repository }}/releases/generate-notes \
            -f tag_name="${RC_TAG}" \
            --jq .body)
        fi

        # Save to output
        echo "notes<<EOF" >> $GITHUB_OUTPUT
        echo "$NOTES" >> $GITHUB_OUTPUT
        echo "EOF" >> $GITHUB_OUTPUT

    - name: Create GitHub Pre-Release (if not dry run)
      if: ${{ !inputs.dry_run }}
      uses: softprops/action-gh-release@a06a81a03ee405af7f2048a818ed3f03bbf83c7b # v2
      with:
        tag_name: ${{ steps.create.outputs.RC_TAG }}
        name: ${{ steps.create.outputs.RC_TAG }}
        draft: false
        prerelease: true
        body: ${{ steps.rc_release_notes.outputs.notes }}
        token: ${{ secrets.LANCE_RELEASE_TOKEN }}

    - name: Summary
      run: |
        echo "## RC Creation Summary" >> $GITHUB_STEP_SUMMARY
        echo "" >> $GITHUB_STEP_SUMMARY
        echo "- **Release Branch:** ${{ inputs.release_branch }}" >> $GITHUB_STEP_SUMMARY
        echo "- **RC Version:** ${{ steps.create.outputs.RC_VERSION }}" >> $GITHUB_STEP_SUMMARY
        echo "- **RC Tag:** ${{ steps.create.outputs.RC_TAG }}" >> $GITHUB_STEP_SUMMARY
        echo "- **Dry Run:** ${{ inputs.dry_run }}" >> $GITHUB_STEP_SUMMARY

        if [ "${{ inputs.dry_run }}" == "true" ]; then
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "⚠️ This was a dry run. No changes were pushed." >> $GITHUB_STEP_SUMMARY
        else
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "✅ RC ${{ steps.create.outputs.RC_TAG }} created!" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "**Next steps:**" >> $GITHUB_STEP_SUMMARY
          echo "1. Check the GitHub Discussion thread for voting" >> $GITHUB_STEP_SUMMARY
          echo "2. Test RC artifacts" >> $GITHUB_STEP_SUMMARY
          echo "3. Vote on the RC" >> $GITHUB_STEP_SUMMARY
          echo "4. If approved, use approve-rc workflow" >> $GITHUB_STEP_SUMMARY
        fi