#!/usr/bin/env bash

## CONSTANTS

readonly DESTINATION=/opt/miaou-bash
readonly MAIN_TAR_GZ_URL="https://git.artcode.re/miaou/miaou-bash/archive/main.tar.gz"

## FUNCTIONS

function bootstrap {
  if [[ ! -d "$DESTINATION" ]]; then
    local temp_dir
    temp_dir=$(mktemp -d)
    pushd "$temp_dir" || return 2
    curl --no-progress-meter -O $MAIN_TAR_GZ_URL
    tar -xzf main.tar.gz --directory "$DESTINATION"
    popd || return 3
  fi

  local source_bin="$MIAOU_BASH_DIR/bin/miaou-bash"
  local dest_bin="/usr/bin/miaou-bash"
  cmp -s "$source_bin" "$dest_bin" || cp -f "$source_bin" "$dest_bin"

  export MIAOU_BASH_DIR="$DESTINATION"
}

## MAIN

[[ "$UID" -ne 0 ]] && echo 'root privilege required' && exit 1

[[ -v MIAOU_BASH_DIR ]] || bootstrap
miaou-bash "$MIAOU_BASH_DIR/lib/init.bash"