#! /usr/bin/env bash gitdir="$1" summed_commits="0" echo -n "Commits (all YY):" if [ "$gitdir" != "" ]; then total_commits="$(git -C "$gitdir" rev-list --count HEAD)" else total_commits="$(git rev-list --count HEAD)" fi echo -n " all:$total_commits " this_year=$(date +%Y) twenty_years_ago=$(($this_year - 100)) for y in $(seq $this_year -1 $twenty_years_ago); do if [ "$total_commits" -eq "$summed_commits" ] ; then break fi if [ "$gitdir" != "" ]; then commits_in_year=$(git -C "$gitdir" rev-list --count HEAD --since $y-01-01 --until $(($y + 1))-01-01) else commits_in_year=$(git rev-list --count HEAD --since $y-01-01 --until $(($y + 1))-01-01) fi summed_commits=$(($summed_commits+$commits_in_year)) if [ "$commits_in_year" -gt "0" ]; then echo -n "${y: -2}:$commits_in_year " fi done echo