old-branches-removal-tool.sh

#!/usr/bin/env bash

tarBranch=$(git branch -r --merged | grep -v master | grep -v develop | sed 's/origin\///')
for branch in $tarBranch
do
 echo "Branch: $branch"
 lastDate=$(git show -s --format=%ci origin/$branch)
 convertDate=$(echo $lastDate | cut -d' ' -f 1)
 Todate=$(date -d "$convertDate" +'%s')
 current=$(date +'%s')
 day=$(( ( $current - $Todate )/60/60/24 ))
 echo "    last commit on $branch branch was $day days ago"
 if [ "$day" -gt 90 ]; then
    echo "    delete the old branch $branch"
    git push origin :$branch
 fi
done