deb-mbse/checkbasic

#!/bin/sh
#
#  $Id$
#
#  checkbasic - A script for mbse bbs that checks if your
#		installation is correct. If it is then
#		normal installation is allowed. If it is
#		pristine, basic installation must be done.
#		If it bad or incomplete installed it will
#		give an errormessage.

if [ "`grep mbse: /etc/passwd`" != "" ]; then
  if [ "`grep bbs: /etc/group`" != "" ]; then
    if [ -n "$MBSE_ROOT" ]; then
      if [ "$LOGNAME" = "root" ]; then
	#
	# Newer su versions change logname when su to root without
	# environment change. Try to fix LOGNAME variable.
	#
	export LOGNAME="`who am i | awk -F ' ' '{ print $1 }'`"
      fi
      if [ "$LOGNAME" = "mbse" ]; then
        #
	# Looks good, normal mbse user and environment is set.
	# Exit with errorcode 0
	echo "Hm, looks good..."
	exit 0
      else
	echo "*** You are not logged in as user 'mbse' ***"
	exit 1
      fi
    else
      echo "*** MBSE_ROOT environment is not set or you are not 'mbse'  ***"
      if [ "$LOGNAME" = "root" ]; then
	echo "*** You seem to be root, did you use 'su -' instead of 'su' ***"
      fi
      exit 1
    fi
  else
    echo "*** Group 'bbs' is missing on your system ***"
    exit 1
  fi
else
  echo "*** User 'mbse' is missing on your system ***"
  echo "    It looks like you need to do a basic install."
  echo "    Make sure you are root and type ./SETUP.sh and"
  echo "    read the file INSTALL for instructions."
fi
exit 1