Role in this project:
Back-end Developer Contributions:14 commits, 6 PRs, 16 comments in 1 month
Contributions summary:Yifei primarily focused on improving the SwiftGit2 library, updating it to support newer Swift versions (Swift 4, 4.1), and addressing deprecation warnings. They implemented features such as adding support for `unsafeIndex` and `git-add` functionality for repository operations. The user also wrote tests to validate the new `git-add` functionality. Furthermore, the user corrected the timezone offset calculation.