Open
Description
In addition to showing the amount of time, a given commit haven't been integrated, one could also measure how much (as in changed lines of code) change is laying on a given branch:
git log --numstat --pretty="%H" commit1..commit2 | awk 'NF==3 {plus+=$1; minus+=$2} END {printf("+%d, -%d\n", plus, minus)}'