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Brian Gan
e7cac4bca6
When viewing `repo status`, it is difficult to distinguish between branches that have active unpushed changes and stale branches that are fully synced. Previously, developers had to run commands like `repo forall -c "git status"` to see their ahead/behind counts. This change updates Project.PrintWorkTreeStatus to automatically calculate and display the number of commits a branch is ahead and/or behind its upstream tracking branch. We use `git rev-list --left-right --count` to fetch this information natively and efficiently. If the branch is completely synced with upstream, no extra text is shown. Added tests for ahead-only, behind-only, diverged, no-tracking, and fully-synced branch states. Bug: 319412954 Change-Id: I23879b2d472c7a7e11d01b565428a84b1b4f09c1 Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/602423 Reviewed-by: Gavin Mak <gavinmak@google.com> Tested-by: Brian Gan <brgan@google.com> Commit-Queue: Brian Gan <brgan@google.com>