Going back through history to find where a bug was introduced usually happens on the commit level (e.g. git-bisect only operates on commits, naturally). Once yo

Going back through history to find where a bug was introduced usually happens on the commit level (e.g. git-bisect only operates on commits, naturally). Once you find the commit that introduced the bug in question, it will be immensely easier to hunt down the bug within the commit if the commit is 10 or 50 lines long instead of 500 or 1000.