create-theme-submission.yml

name: Create Theme Submission PR

on:
  issues:
    types: [opened, edited, reopened]
  workflow_dispatch:
    inputs:
      issue_number:
        description: Issue number to process
        required: true
        type: number

permissions:
  contents: write
  issues: write
  pull-requests: write

concurrency:
  group: theme-submission-${{ github.event.issue.number || inputs.issue_number }}
  cancel-in-progress: true

jobs:
  candidate_pull_request:
    if: ${{ github.event_name == 'workflow_dispatch' || (!github.event.issue.pull_request && contains(github.event.issue.body, '### Theme title') && contains(github.event.issue.body, '### Original repository')) }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6

      - uses: actions/setup-node@v6
        with:
          node-version: 24
          cache: npm

      - run: npm ci

      - name: Load issue data
        id: issue
        env:
          GH_TOKEN: ${{ github.token }}
          EVENT_ISSUE_NUMBER: ${{ github.event.issue.number }}
          INPUT_ISSUE_NUMBER: ${{ inputs.issue_number }}
        shell: bash
        run: |
          issue_number="${EVENT_ISSUE_NUMBER:-$INPUT_ISSUE_NUMBER}"

          if [ -z "$issue_number" ]; then
            echo "::error::No issue number was provided."
            exit 1
          fi

          gh issue view "$issue_number" --json title,body,author --jq .title > issue-title.txt
          gh issue view "$issue_number" --json title,body,author --jq .body > issue-body.md
          gh issue view "$issue_number" --json title,body,author --jq .author.login > issue-author.txt

          {
            echo "number=$issue_number"
            echo "title<<EOF"
            cat issue-title.txt
            echo "EOF"
            echo "author=$(cat issue-author.txt)"
          } >> "$GITHUB_OUTPUT"

      - name: Generate candidate entry
        env:
          ISSUE_NUMBER: ${{ steps.issue.outputs.number }}
          ISSUE_TITLE: ${{ steps.issue.outputs.title }}
          ISSUE_AUTHOR: ${{ steps.issue.outputs.author }}
          ISSUE_BODY_FILE: issue-body.md
          GITHUB_TOKEN: ${{ github.token }}
        run: node scripts/create-theme-submission-from-issue.mjs

      - run: npm test
      - run: npm run build

      - name: Open or update candidate PR
        env:
          GH_TOKEN: ${{ secrets.SUBMISSION_PR_TOKEN || github.token }}
          ISSUE_NUMBER: ${{ steps.issue.outputs.number }}
          ISSUE_AUTHOR: ${{ steps.issue.outputs.author }}
          SUBMISSION_REVIEWERS: ${{ vars.SUBMISSION_REVIEWERS || 'Neikon' }}
        shell: bash
        run: |
          branch="submissions/theme-${ISSUE_NUMBER}"
          reviewers="${SUBMISSION_REVIEWERS:-Neikon}"

          if [ -z "$(git status --porcelain -- src/content/themes public/assets/img/themes)" ]; then
            echo "No theme submission changes were generated."
            exit 0
          fi

          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git checkout -B "$branch"
          git add src/content/themes public/assets/img/themes
          git commit -m "feat: add candidate theme from issue #${ISSUE_NUMBER}"
          git fetch --no-tags --depth=1 origin "$branch:refs/remotes/origin/$branch" || true
          git push --force-with-lease origin "$branch"

          manual_url="https://github.com/${GITHUB_REPOSITORY}/pull/new/${branch}"
          title="Add candidate theme from issue #${ISSUE_NUMBER}"

          open_pr_url="$(gh pr list --head "$branch" --state open --json url --jq '.[0].url // empty')"

          if [ -n "$open_pr_url" ]; then
            gh pr edit "$open_pr_url" \
              --title "$title" \
              --body-file theme-submission-pr.md
            gh pr edit "$open_pr_url" --add-reviewer "$reviewers" || true
            pr_url="$open_pr_url"
            echo "Updated theme submission PR: ${pr_url}" >> "$GITHUB_STEP_SUMMARY"
          else
            if pr_url="$(gh pr create \
              --base main \
              --head "$branch" \
              --title "$title" \
              --body-file theme-submission-pr.md 2>pr-create-error.txt)"; then
              gh pr edit "$branch" --add-reviewer "$reviewers" || true
              echo "Created theme submission PR: ${pr_url}" >> "$GITHUB_STEP_SUMMARY"
            else
              echo "::warning::The submission branch was pushed, but GitHub refused to create the PR automatically."
              cat pr-create-error.txt
              {
                echo "Theme submission changes were pushed to \`${branch}\`, but the workflow token could not create the PR automatically."
                echo ""
                echo "Open it manually: ${manual_url}"
                echo ""
                echo "To allow automatic PR creation, enable **Settings > Actions > General > Workflow permissions > Allow GitHub Actions to create and approve pull requests**, or add a \`SUBMISSION_PR_TOKEN\` secret with permission to create pull requests."
              } >> "$GITHUB_STEP_SUMMARY"
              pr_url="$manual_url"
            fi
          fi

          gh issue comment "$ISSUE_NUMBER" --body "Thanks @${ISSUE_AUTHOR}. I generated a candidate submission PR for review: ${pr_url}"