Here a few commands if you want to get a list of git commit information. This will list all the commits by the contributor. git log --author="Contributor's name" Get commit from 19 April 2020.

A quick note to show how to squash all git local commits into one.  A scenario will be, you've been check-in in lots of commits into your own local branch when you ready to push them to the origin branch. You don't want to check-in so many commits, e.g.