git-delete-merged-branches-with-remote

#!/bin/sh

base_branch=$1
if [ -z $base_branch ] ; then
  echo 'usage: git-delete-merged-branches-with-remote [base_branch]' >&2
  exit 1
fi

git show-ref --verify --quiet refs/heads/$base_branch
if [ $? -ne 0 ] ; then
  echo "error: base branch '$base_branch' not found" >&2
  exit 1
fi

git branch --merged $base_branch              |
  xargs -n 1 | grep -Ev "^(\*|$base_branch)$" |
  xargs -n 1 git branch -d

git fetch --prune 2>&1 >/dev/null

git branch -r --merged $base_branch  |
  grep -v ' -> '                     |
  sed 's/\([^\/]*\)\/\(.*\)/\1 :\2/' |
  grep -v ":$base_branch$"           |
  xargs -n 2 git push 2>&1           | # All of outputs go to stderr
  {
    while read result; do
      echo $result | grep -v '^error:' 2>&1 >/dev/null && echo $result
    done
  }