Cleans up git repo by rebasing current branches (if possible) and deleting already merged branches

git-cleanup.sh

#!/bin/bash

# Cleans up git repo by rebasing local branches (if possible) and deleting already merged branches

set -e

git fetch --all

BASE_BRANCH="origin/master"
CHECKOUT_BRANCH="master"

# Make sure all branches are rebased.
for branch in $(git branch --format="%(refname:short)")
do
  echo "============ Rebasing $branch onto $BASE_BRANCH ============"
  git rebase --quiet $BASE_BRANCH $branch || git rebase --abort
done

git checkout $CHECKOUT_BRANCH

MERGED_BRANCHES=$(git branch --merged $BASE_BRANCH --format="%(refname:short)" | grep -v master | echo "")

for branch in $MERGED_BRANCHES
do
  echo "============ Remove already merged branch $branch ============"
  git branch -df $branch
done

echo "============ FINISHED ============"