restore

#!/bin/sh

set -e

_scripts="$(realpath "$(dirname "$0")")"

_config_entries() {
  (
    _config_file="$_scripts/../files.csv"
    awk -F ',' '
  BEGIN {
  ORS="\n"
}
NR != 1 { print $1,$2,$3 }
' <"$_config_file"
  )
}

_restore_file() {
  (
    _is_dir="$_scripts/../$1"
    _from_path="$_scripts/../$2"
    _to_path="$HOME/$3"
    _backup_path="$HOME/.backup_dotfiles/$3"

    if test -L "$_to_path" -a -e "$_backup_path" ; then
      echo "restoring $_to_path from $_backup_path" >/dev/stderr
      rm "$_to_path"
    fi
  )
}

_restore_dotfiles() {
  (
    _entry_type=0
    for entry in $(_config_entries); do
      if test "$_entry_type" = '0'; then
        _is_dir="$entry"
      elif test "$_entry_type" = '1'; then
        _from_path="$entry"
      elif test "$_entry_type" = '2'; then
        _to_path="$entry"

        _restore_file  "$_is_dir" "$_from_path" "$_to_path"
      fi

      _entry_type="$((($_entry_type + 1) % 3))"
    done
  )
}

_restore_dotfiles "$@"