#!/usr/bin/env miaou-bash

# CONSTANTS
#
[[ ! -v MAIN_TAR_GZ_URL ]] &&
  readonly MAIN_TAR_GZ_URL="https://git.artcode.re/miaou/miaou-bash/archive/main.tar.gz"

# FUNCTIONS

function self_upgrade {
  mv "$MIAOU_BASH_DIR" "$MIAOU_BASH_DIR".before_upgrade
  "$MIAOU_BASH_DIR".before_upgrade/install.sh "upgraded"
  rm -rf "$MIAOU_BASH_DIR".before_upgrade
  . "$MIAOU_BASH_DIR"/bin/miaou-bash --version
}

# MAIN

source "$MIAOU_BASH_DIR"/lib/functions.bash
assert_system_mode
assert_root

current=$(miaou-bash --version)
latest=$("$MIAOU_BASH_DIR/tools/wget_semver" artcode miaou/miaou-bash)
if [[ "$current" == "$latest" ]]; then
  echo "up-to-date version: $current"
else
  self_upgrade
fi