Publish workflow (TorchIO-project/torchio)

The Publish workflow from TorchIO-project/torchio, explained and optimized by Latchkey.

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Source: TorchIO-project/torchio.github/workflows/publish.ymlLicense Apache-2.0View source

What it does

This is the Publish workflow from the TorchIO-project/torchio repository, a real project running GitHub Actions. It is shown here with attribution under its Apache-2.0 license.

Below, Latchkey shows a faster, safer version produced by its optimization engine.

The workflow

workflow (.yml)

name: Publish

on:
  push:
  workflow_dispatch:

permissions:
  contents: read

jobs:
  build:
    name: Build the package
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v7
        with:
          fetch-depth: 0

      - name: Install uv
        uses: astral-sh/setup-uv@v7

      - name: Build a binary wheel and a source tarball
        run: uv build

      - name: Upload dist directory
        uses: actions/upload-artifact@v7
        with:
          name: dist
          path: dist

  publish:
    name: Publish the package
    needs: build
    runs-on: ubuntu-latest
    permissions:
      contents: read
      id-token: write

    steps:
      - name: Print ref
        run: echo ${{ github.ref }}

      - name: Download all workflow run artifacts
        uses: actions/download-artifact@v8
        with:
          name: dist
          path: dist

      - name: Publish package to TestPyPI
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          repository-url: https://test.pypi.org/legacy/
          skip-existing: true

      - name: Install uv if commit is tagged
        if: startsWith(github.ref, 'refs/tags')
        uses: astral-sh/setup-uv@v7

      - name: Publish package to PyPI if commit is tagged
        # Publish only tagged commits
        if: startsWith(github.ref, 'refs/tags')
        run: uv publish --verbose

The same workflow, on Latchkey

Removes redundant runs and caps runaway jobs. Added and changed lines are highlighted.

name: Publish
 
on:
  push:
  workflow_dispatch:
 
permissions:
  contents: read
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  build:
    timeout-minutes: 30
    name: Build the package
    runs-on: latchkey-small
 
    steps:
      - uses: actions/checkout@v7
        with:
          fetch-depth: 0
 
      - name: Install uv
        uses: astral-sh/setup-uv@v7
 
      - name: Build a binary wheel and a source tarball
        run: uv build
 
      - name: Upload dist directory
        uses: actions/upload-artifact@v7
        with:
          name: dist
          path: dist
 
  publish:
    timeout-minutes: 30
    name: Publish the package
    needs: build
    runs-on: latchkey-small
    permissions:
      contents: read
      id-token: write
 
    steps:
      - name: Print ref
        run: echo ${{ github.ref }}
 
      - name: Download all workflow run artifacts
        uses: actions/download-artifact@v8
        with:
          name: dist
          path: dist
 
      - name: Publish package to TestPyPI
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          repository-url: https://test.pypi.org/legacy/
          skip-existing: true
 
      - name: Install uv if commit is tagged
        if: startsWith(github.ref, 'refs/tags')
        uses: astral-sh/setup-uv@v7
 
      - name: Publish package to PyPI if commit is tagged
        # Publish only tagged commits
        if: startsWith(github.ref, 'refs/tags')
        run: uv publish --verbose

What changed

Run on Latchkey managed runners with one line (runs-on), which apply the fixes below automatically and self-heal transient failures. This example uses latchkey-small; pick the runner size that fits the job.
Cancel superseded runs when a branch or PR gets a newer push.
Add a job timeout so a hung step cannot burn hours of runner time.

2 third-party actions are referenced by a movable tag. Pin them to the commit SHA (Latchkey resolves and applies this automatically) so a repointed tag cannot change what runs.

This workflow runs 2 jobs per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.

Actions used in this workflow

actions/checkout astral-sh/setup-uv actions/upload-artifact actions/download-artifact