#/usr/bin/env bash

_diffstore_completion()
{
  local _cw2=(init list add store get clean config)
  local _cw2_val=(get)
  local _config_
  local cur=$2
  local N=0
  local j I
  local dir
  local WORDS=()
  COMPREPLY=()

  if [ $COMP_CWORD -eq 1 ] ; then
    _filedir -d
  elif [ $COMP_CWORD -eq 2 ] ; then
    WORDS=("${_cw2[@]}")
  elif  { [ "$COMP_CWORD" -eq "3" ] && echo "${_cw2_val[*]}" | grep -qw -- "${COMP_WORDS[2]}" ; } ; then
    N=0
    while read -r I ; do
      WORDS+=("$I")
    done < <($1 "${COMP_WORDS[1]}" list basic)
  fi

  N=0
  if [ -n "$cur" ] ; then
    for I in "${WORDS[@]}" ; do
      [ "$I" != "${I#"$cur"}" ] && COMPREPLY[N++]=$I
    done
  else
    COMPREPLY=("${WORDS[@]}")
  fi
}

complete -o nospace -F _diffstore_completion -o dirnames diffstore