#!/bin/sh
# This file contains functions that are used in multiple other scripts, i.e.
# shared functions. The purpose of centralising these, is to deduplicate code
# and increase maintainability
#
# By Dennis Groenen <tj.groenen@gmail.com>
# GPLv3 licensed
#
# Last updated: 08-24-2012 (MM-DD-YYYY)
# 

# Verbose-aware echo
ECHO_VERBOSE() {
  if test $VERBOSE == 1; then 
    echo -e "$1"; fi
}

# Detect the current environment
CHECK_ENV() {
    if test -d /scratchbox; then
      ENVIRONMENT="SDK"
    else
      PROD=$($EXECPWR cat /proc/component_version | $EXECPWR grep product | $EXECPWR cut -d" " -f 6)
      case $PROD in
        RX-51)
          ENVIRONMENT="FREMANTLE"
          ;;
        *)
          # Unsupported, use the least strict environment (SDK)
          ENVIRONMENT="SDK"
          ;;
      esac
    fi
}

# Check whether I'm running standalone
CHECK_STANDALONE() {
    #if test -n "`pgrep dpkg`" -o "`pgrep apt`"
    if ! lsof /var/lib/dpkg/lock >> /dev/null; then 
      echo "error: you're running me as a stand-alone application"
      echo "  do not do this, I will be called automatically when"
      echo "  required by busybox-power"
      exit 1
    fi
}

# Check whether the user is root
CHECK_ROOT() {
    if test "`$EXECPWR id -u`" -ne 0; then
      echo "error: you're not running me as root, aborting"
      echo "  also, DO NOT run me as a stand-alone application"
      echo "  I will be called automatically when required by"
      echo "  busybox-power"
      exit 1
    fi
}