name: Make Release

on:
  workflow_dispatch:
    inputs:
      commit:
        description: 'Commit SHA to release (empty = branch HEAD)'
        required: false
        default: ''
        type: string
      dry_run:
        description: 'Dry run - validate without creating the tag'
        required: true
        type: boolean
        default: true

env:
  GH_TOKEN: ${{ github.token }}

permissions:
  contents: write

jobs:
  make-release:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          ssh-key: ${{ secrets.DEPLOY_KEY_RELEASE }}
          ref: ${{ inputs.commit != '' && inputs.commit || github.ref_name }}
          fetch-depth: 0

      - name: Run release checks
        id: checks
        run: bash scripts/make-release-checks.sh ${{ github.event.inputs.dry_run == 'true' && '--dry-run' || '' }}
        env:
          GITHUB_REPOSITORY: ${{ github.repository }}
          RELEASE_BRANCH: ${{ github.ref_name }}

      - name: Create release tag
        if: ${{ github.event.inputs.dry_run == 'false' }}
        run: |
          VERSION="${{ steps.checks.outputs.version }}"
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git tag -a "${VERSION}" -m "Release ${VERSION}"
          git push origin "${VERSION}"
          echo "Created and pushed tag ${VERSION}"

      - name: Generate release description
        id: desc
        run: bash scripts/make-release-desc.sh "${{ steps.checks.outputs.version }}"
        env:
          GITHUB_REPOSITORY: ${{ github.repository }}

      - name: Create release
        if: ${{ github.event.inputs.dry_run == 'false' }}
        uses: ggml-org/action-create-release@v1
        env:
          GITHUB_TOKEN: ${{ github.token }}
        with:
          tag_name: ${{ steps.checks.outputs.version }}
          # TODO: remove the prerelease flag once the semantic versioning workflow is ready
          # ref: https://github.com/ggml-org/ggml/discussions/1579
          prerelease: true
          body: |
            > [!NOTE]
            > Semantic versioning is still work in progress.
            > More info can be found in https://github.com/ggml-org/ggml/discussions/1579

            ${{ steps.desc.outputs.nightly }}

            ## ${{ steps.desc.outputs.changelog_title }}

            ${{ steps.desc.outputs.changelog }}

      - name: Dry run summary
        if: ${{ github.event.inputs.dry_run == 'true' }}
        run: |
          if [[ "${{ steps.checks.outputs.checks_passed }}" == "true" ]]; then
            echo "Dry run complete - all checks passed."
            echo "Would have created tag: ${{ steps.checks.outputs.version }}"
          else
            echo "::error::Dry run found release check failures. A release tag would not be created."
            exit 1
          fi