Should I Commit the Go `vendor` Directory to Version Control?

Managing Go Dependencies: Committing the vendor Directory

When working with Go dependencies using the dep tool, a common question arises: should you commit the generated vendor directory into version control? Or should you always execute dep ensure after checking out a repository?

Committing the Vendor Directory: Pros and Cons

According to the official dep FAQ, committing the vendor directory offers the following advantages:

• Reproducible builds: Committing the vendor directory ensures reproducible builds across different environments, as it protects against dependency renames, deletions, and commit history modifications.
• Faster dependency management: You can skip the dep ensure step to synchronize the vendor directory with the Gopkg.lock file after most Git operations, such as cloning, merging, and getting the latest changes.

However, there are also some drawbacks to committing the vendor directory:

• Increased repository size: The vendor directory can significantly increase the size of your repository.
• PR diff confusion: Modifications to the Gopkg.lock file will trigger changes in the vendor directory, which may clutter PR diffs.

Best Practice

Whether or not to commit the vendor directory depends on your specific requirements and preferences. If you prioritize reproducibility and minimize dependency management overhead, committing the vendor directory may be a suitable choice. However, if repository size and diff clarity are concerns, you may consider always executing dep ensure after checking out a repository.

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