#!/bin/bash
#
# init the git bare repo
#
# @params
# Globals
#   ${mydir}: current dir of the script
#   ${confirm}: confirm status of the user
# Arguments
#   -h: show help message and exit

set -e
set -f

mydir="${0%/*}"
source "${mydir}"/../helper/set_variable.sh
source "${mydir}"/../helper/get_confirmation.sh

function usage() {
  echo -e "Usage: dotbare finit [-h] ...\n"
  echo -e "Init the git bare repository if doesn't exist"
  echo -e 'The bare repository will be initialised under ${DOTBARE_DIR}, default to $HOME/.cfg if not set'
  echo -e 'It will track ${DOTBARE_TREE}, default to $HOME if not set\n'
  echo -e "optional arguments:"
  echo -e "  -h\t\tshow this help message and exit"
}

while getopts ":h" opt; do
  case "$opt" in
    h)
      usage
      exit 0
      ;;
    *)
      echo "Invalid option: ${OPTARG}" >&2
      usage
      exit 1
      ;;
  esac
done

echo "modify DOTBARE_DIR and DOTBARE_TREE to customize location, more information run dotbare finit -h"
echo "git bare repository will be initialised at ${DOTBARE_DIR}"
echo "git bare repository will be tracking ${DOTBARE_TREE}"
confirm=$(get_confirmation)
[[ "${confirm}" != 'y' ]] && exit 1

if [[ -d "${DOTBARE_DIR}" ]]; then
  echo "${DOTBARE_DIR} already exist"
else
  git init --bare "${DOTBARE_DIR}"
  /usr/bin/git --git-dir "${DOTBARE_DIR}" --work-tree "${DOTBARE_TREE}" \
    config --local status.showUntrackedFiles no
fi