# bashlib, main file
#  
# frequently used functions for
# pretty much every bash scripts
 
 
#  ****  help  ****
#
# amiroot
# usage: amiroot <options>
# examples:
#    amiroot     (will end script if you are not root)
#    amiroot not (will end script if you are root)
#
# gettimestamp
# generates different kinds of timestamps 
# usage: gettimestamp <options>
# examples:
#    gettimestamp
#    gettimestamp nice
#    gettimestamp short
#
# bashtrap
# usage: trap bashtrap INT
#



#  ****  check for root privileges  ****
amiroot()
{
    local user=$(whoami)
    case $1 in
        not) #not needed
            log debug "amiroot - checking for unnecessary root privileges" #debug log
            if [ "$(whoami)" = "root" ]; then
                log error "amiroot - you probably should not run this as root. it could mess up your karma."
                exit 1
            fi
            ;;

        *) #required
            log debug "amiroot - checking for necessary root privileges" #debug log
            if [ "$(whoami)" != "root" ]; then
                log error "amiroot - $USER, you need to gain root privileges to do this."
                exit 1;
            fi
            ;;
    esac
}

#  ****  generate timestamp  ****
gettimestamp()
{
    if [ -z $1 ]; then
        date '+%Y%m%d%H%M'
    elif [ $1 = "nice" ]; then
        date '+%d.%m.%Y %H:%M'
    elif [ $1 = "short" ]; then
        date '+%Y%m%d'
    fi
}

#  ****  bashtrap  ****
bashtrap()
{
    log debug "bashtrap - triggered"
    clear
    echo "CTRL+C detected.. exiting!"
    exit 1
}