In magit you just have to go on the hunk or file you want to revert, and use k to discard a modification. See the relevant documentation at https://magit.vc/manual/1.4/magit/Staging-and-Committing.html for more detail.
In magit you just have to go on the hunk or file you want to revert, and use k to discard a modification. See the relevant documentation at https://magit.vc/manual/1.4/magit/Staging-and-Committing.html for more detail.