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LFS Check Action

This action is an incredibly lightweight reusable workflow to validate that all Git LFS files registered in your repository's .gitattributes configuration are actually LFS pointers. This can catch scenarios where a user adds a raw binary file into the git history, eliminating the benefits of LFS for those files and causing warnings/errors for users with LFS enabled.

This action is literally just a wrapper around the following steps:

  1. Check out the repository
    • Also, don't actually download LFS file contents, since we're just validating the LFS pointers
  2. Run git lfs fsck --pointers to validate all registered files are actually LFS pointers

Quick start

Add to a workflow in your repository:

...
    steps:
      - uses: MPLew-is/lfs-check-action@1

That's it - this action takes no inputs and returns no outputs, only returning a status code about whether the LFS validation succeeded.