#!/usr/bin/env bash
# reset environment variables that could interfere with normal usage
unset GREP_OPTIONS
# put all utility functions here

# make a temporary file
git_extra_mktemp() {
    mktemp -t "$(basename "$0")".XXX
}

#
# check whether current directory is inside a git repository
#

is_git_repo() {
  git rev-parse --show-toplevel > /dev/null 2>&1
  result=$?
  if test $result != 0; then
    >&2 echo 'Not a git repo!'
    exit $result
  fi
}

is_git_repo

# Assert there is at least one branch provided
test -z $1 && echo "branch required." 1>&2 && exit 1

for branch in "$@"
do
  remote=$(git config branch.$branch.remote)
  test -z $remote && remote="origin"
  ref=$(git config branch.$branch.merge)
  test -z $ref && ref="refs/heads/$branch"

  git branch -D $branch
  git branch -d -r $remote/$branch
  git push $remote :$ref
done
