A shell script to check for all merged branches (local/remote) older than 6 months and delete them.

delete-merged-branches.sh

#!/bin/sh

for branch in $(git branch -r --merged | sed 's/^\s*//' | sed 's/^remotes\///' | grep -v 'develop$\|develop-hybrid$\|master$\|IPM-\|4\.'); do
  if [[ "$(git log $branch --since "4 months ago" | wc -l)" -eq 0 ]]; then
    local_branch_name=$(echo "$branch" | sed 's/origin\///')
    echo 'Deleting: ' $local_branch_name
    #git push origin :$local_branch_name
  fi
done