Real-app local checkout, Git state read by the same scenario after clicking Local.
Base 99e10f05c8521445419cd0c09cedee0faa8f036b:
{"branch":"proof-31170-base","upstream":"origin/proof-31170-base"}
Head 3870252e5130008176cc7f7fef58c0f1e9395aa8:
{"branch":"proof-31170-change","upstream":"origin/proof-31170-change"}