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Checksum Mismatch between Different Environments

Question​

When using Atlas on my macOS, I can run atlas migrate apply without any issues, and it applies the migrations successfully. But when running in CI on linux, I get the following error: Error: checksum mismatch

Answer​

This issue is likely due to differences in line endings between operating systems. macOS uses LF (Line Feed) for line endings, while Windows uses CRLF (Carriage Return + Line Feed). When you run Atlas commands in a Docker container, it may be using a different line ending format than what your migrations were created with.

To resolve this issue, you can try the following steps:

  1. Add a .gitattributes file to your repository with the following content:
# Ensure all text files use LF line endings
* text=auto eol=lf
  1. Commit the .gitattributes file to your repository.
  2. If you have existing migration files that were created with different line endings, you may need to normalize them. You can do this by running the following command in your repository:
# Remove all files from the index (but keep them on disk)
git rm --cached -r .
# Re-checkout the files from the repository
git reset --hard