I use the interactive flag on git add for this. It lets you add parts of a file, commit, and then do it all again. I want to say it's git add -i, but I'm not 10

I use the interactive flag on git add for this. It lets you add parts of a file, commit, and then do it all again. I want to say it's git add -i, but I'm not 100% on that. My fingers just do the right thing when I want it to happen.