#!/bin/sh

args="-d"
CURRENT=`git branch | grep "\*" | cut -d' ' -f2`

while [ $# -gt 0 ]; do
  case "$1" in
    -f|-D|--force)
      args=${args/-d/-D}
      ;;
    -h|--help)
      echo "usage: git-close [-f|--force] [BRANCH]"
      echo "Deletes the current branch or a branch named BRANCH."
      echo ""
      echo "Options"
      echo "  -f  --force     Passes -D to git-branch, forcing the branch to be deleted."
      echo ""
      echo "If BRANCH is not provided, the current branch is used. If BRANCH is master,"
      echo "exit with an error message."
      exit 0
      ;;
    -*)
      echo "Unknown command line flag $1"
      exit 1
      ;;
    *)
      BRANCH="$1"
      ;;
  esac
  shift
done

# set a default value of the current branch
echo ${BRANCH:=`git branch | grep "\*" | cut -d' ' -f2`} >/dev/null

if [[ "$BRANCH" == "master" ]]; then
  echo "Cowardly refusing to remove master branch"
  exit 1
fi

if [[ "$BRANCH" == "$CURRENT" && "$CURRENT" != "master" ]]; then
  echo "+ git checkout master"
  git checkout master
fi

echo "+ git branch $args $BRANCH"
git branch $args $BRANCH

if [[ $? != 0 ]]; then
  echo "+ git checkout $BRANCH"
  git checkout $BRANCH
fi