remove merged branches

#!/bin/bash

#
# Usage:
# ./remove-merged <branch>
#
# if no branch given, use the current branch
#

targetBranch=$1

# if no target branch given, assume it is the current branch
if [ "$targetBranch" == "" ]; then
  targetBranch=$(git branch | grep \* | sed -E 's/\* (.*)$/\1/g')
fi

# get branches that needs to be deleted
branchesToDelete=$(git branch -r --merged $targetBranch \
  | grep -v $targetBranch \
  | grep -v '/HEAD')

for b in $branchesToDelete; do
  remote=$(echo $b | sed -E 's/([^/]*).*/\1/g')
  bName=$(echo $b | sed -E 's/[^/]*\/(.*)/\1/g')

  # echo command instead of executing it :D
  # execute at your risks :D
  #
  # git push $remote :$bName
  echo "git push $remote :$bName"

done