Bash script to see how fixes are trending in current repo (per committer)

git-trend.sh

#!/bin/bash

for i in {0..24}
do
  ii=$(($i + 1))
  
  fixes=`git log --since="${ii} months ago" --until="${i} months ago" | grep -i fix | wc -l`
  committers=`git log --since="${ii} months ago" --until="${i} months ago" --pretty=format:"%an" | sort -u | wc -l`
  
  echo `bc -l <<< "${fixes} / ${committers}"`
done