Actions/checkout
Also written: checkout action
A GitHub Action that checks out code from a repository for use in workflows.
Actions/checkout is a specific tool within GitHub that helps manage code. When you are building software, especially with teams, you need to get the latest code from a central place, like a code repository. This tool, called an Action, does exactly that: it checks out, or downloads, the code so that other automated steps in your workflow can use it.
For example, imagine you have a project on GitHub. You might want to automatically test your code every time someone makes a change. An Actions/checkout step in your workflow would first get the latest version of your code from GitHub, and then the next step would run the tests on that code.
Actions/checkout is a fundamental GitHub Action that fetches a copy of your repository's code at a specific commit. It is typically the first step in any workflow that needs to interact with your codebase, such as building, testing, or deploying applications. The action ensures that the workflow has access to the necessary source files and configurations.
It operates by cloning the repository into the runner's workspace. This allows subsequent steps in the workflow to read from, modify, or execute the code. While simple, its reliability is crucial for CI/CD pipelines.
This term is appearing because the Google Gemini API Cookbook is being updated. These updates include security fixes, which often involve ensuring that code checked out by automated systems is handled securely. This highlights the importance of secure code handling in AI development workflows.
- Gemini API Cookbook: chore: apply Zizmor security auto-fixes (#1316)Google · Gemini API Cookbook ·
- Google Gemini
- Google Gemini's API Cookbook uses GitHub Actions, including checkout, to manage and secure its code examples and development workflows.
- Git checkout
- Git checkout is a command-line operation to switch branches or res
- Code repository
- A code repository is a storage location for code. Actions/check
Actions/checkout is a core component of GitHub Actions, a CI/CD platform provided by GitHub. It is developed and maintained by GitHub. Source ↗
To see Actions/checkout in action, you can create a simple GitHub Actions workflow in your own repository. Add a step that uses 'actions/checkout@v3' (or a later version) and then a subsequent step that prints the name of the checked-out repository. This will demonstrate how the action fetches your code for the workflow to use.
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Questions people ask
- What does 'checkout' mean in this context?
- In this context, 'checkout' means to download or retrieve a copy of your project's code from a remote storage location like a GitHub repository.
- Is Actions/checkout only for GitHub?
- Yes, Actions/checkout is specifically designed for use within GitHub Actions workflows. It is a part of GitHub's automation platform.
First seen on Subvolts Aug 13, 2026. Updated Sep 15, 2026. Written by an AI model from the items above and reviewed against them weekly; report an error.