#!/bin/bash
#
# backup all tracked files
#
# @params
# Globals
#   None
# Arguments
#   None

set -e
set -f

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

function usage() {
  echo -e "Usage: dotbare fbackup [-h] ...\n"
  echo -e "Backup all tracked files to ${DOTBARE_BACKUP}\n"
  echo -e "optional arguments:"
  echo -e "  -h\t\tshow this help message and exit"
}

[[ ! -d "${DOTBARE_BACKUP}" ]] && mkdir -p "${DOTBARE_BACKUP}"

cd "${DOTBARE_TREE}"
all_files=$(/usr/bin/git --git-dir="${DOTBARE_DIR}" --work-tree="${DOTBARE_TREE}" \
  ls-files --full-name --directory "${DOTBARE_TREE}")
while IFS= read -r line; do
  dir_name=$(dirname "${line}")
  [[ ! -d "${DOTBARE_BACKUP}/${dir_name}" ]] && mkdir -p "${DOTBARE_BACKUP}/${dir_name}"
  cp -v "${line}" "${DOTBARE_BACKUP}/${line}"
done <<< "${all_files}"