ComfyUI-Standalone-Environments/.github/workflows/publish-torch-index-stacks.yml at main · Comfy-Org/ComfyUI-Standalone-Environments · GitHub

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name: Publish Torch Index Stacks

# Publishes torch-index-stacks.json to R2, where ComfyUI Desktop 2.0 fetches
# it to populate the PyTorch picker with index-served stacks. Pull requests
# only validate; pushes to main validate and publish. workflow_dispatch
# republishes the checked-in file (e.g. after rotating the bucket).

on:
  push:
    branches:
      - main
    paths:
      - torch-index-stacks.json
      - scripts/validate_torch_index_stacks.py
      - scripts/refresh_nightly_stacks.py
      - scripts/test_torch_index_scripts.py
      - .github/workflows/publish-torch-index-stacks.yml
  pull_request:
    paths:
      - torch-index-stacks.json
      - scripts/validate_torch_index_stacks.py
      - scripts/refresh_nightly_stacks.py
      - scripts/test_torch_index_scripts.py
      - .github/workflows/publish-torch-index-stacks.yml
  workflow_dispatch:

permissions:
  contents: read

jobs:
  validate:
    runs-on: ubuntu-latest
    name: Validate manifest
    steps:
      - name: Checkout
        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
        with:
          # Validation only reads the tree; no authenticated git operations.
          persist-credentials: false

      - name: Run script tests
        run: python3 -m unittest scripts.test_torch_index_scripts -v

      - name: Validate torch-index-stacks.json
        run: python3 scripts/validate_torch_index_stacks.py torch-index-stacks.json

  publish:
    needs: validate
    if: ${{ github.event_name != 'pull_request' }}
    runs-on: ubuntu-latest
    name: Publish to R2
    # Serialize publishes (also against the nightly refresh workflow, which
    # shares this group) so two runs cannot race on the R2 object. Job-level
    # so pull_request validate-only runs are not queued behind publishes.
    concurrency:
      group: publish-torch-index-stacks
      cancel-in-progress: false
    steps:
      - name: Checkout
        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
        with:
          # The upload authenticates to R2 with its own secrets; the git
          # token has no business persisting into the workspace.
          persist-credentials: false

      - name: Upload manifest to R2
        env:
          R2_BUCKET_NAME: ${{ secrets.R2_BUCKET_NAME }}
          R2_ENDPOINT: ${{ secrets.R2_ENDPOINT }}
          AWS_ACCESS_KEY_ID: ${{ secrets.R2_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.R2_SECRET_ACCESS_KEY }}
        run: |
          # This workflow exists to publish on merge - a missing secret must
          # be loud, not a silently-skipped step under a green checkmark.
          if [ -z "${R2_BUCKET_NAME}" ]; then
            echo "::error::R2_BUCKET_NAME secret is not configured - manifest was NOT published"
            exit 1
          fi
          # Runner-provided AWS CLI - installing one at runtime would let a
          # compromised PyPI release run with publication credentials.
          aws --version
          # Short cache TTL: unlike the immutable archives this object is
          # replaced in-place, and stack WITHDRAWALS (explicit-empty) must
          # propagate quickly through the Cloudflare edge.
          aws s3 cp torch-index-stacks.json \
            "s3://${R2_BUCKET_NAME}/standalone-environments/torch-index-stacks.json" \
            --endpoint-url "${R2_ENDPOINT}" \
            --content-type "application/json" \
            --cache-control "public, max-age=300"
          echo "Published torch-index-stacks.json to R2"