I have a project stored on my Mac and created a repository for from that location to my project. I am able to commit using source tree but now I would like to revert back to an earlier commit so all my files in folder update? I'm not sure how i do this?
Temporary Revert Back
If you want to temporarily go back to this commit, then come back to where you are.
Right click on the commit you want to revert to and click on "checkout".
Permanent Revert Back
This will add commits to revert all your work since this commit
Right click on the commit you want to revert to and click on "Reset <> to this commit".
来源：https://stackoverflow.com/questions/28253914/how-do-i-revert-back-to-earlier-commit-using-source-tree