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

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

git_extra_default_branch() {
    local default_branch
    default_branch=$(git config --get git-extras.default-branch)
    if [ -z "$default_branch" ]; then
        echo "master"
    else
        echo "$default_branch"
    fi
}
#
# 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
set -e

# 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.$branch.remote || echo "origin")
  ref=$(git config branch.$branch.merge || echo "refs/heads/$branch")

  git branch -D $branch || true
  # Avoid deleting local upstream
  [ "$remote" == "." ] && continue
  git branch -d -r $remote/$branch || continue
  git push $remote :$ref
done
