#!/bin/sh

chomp() {
    printf "$1" | sed s:^\ ::g | sed s:\ $::g
}

cname() {
    unset CTMP1 CTMP2
    for PART in $(printf "$1" | sed s:-:\ :g); do 
        if [ ! "`printf $PART | cut -c1 | sed s:[0-9]:0:g`x" = "0x" ]; then
        CTMP1="${CTMP1} ${PART}"
        fi
    done
    CTMP2="`chomp "$CTMP1" | sed s:\ :_:g | sed s:\+:X:g | tr [a-z] [A-Z]`"
    printf "\$(%s)%s" "`basename "$CTMP2"`" "$2"
}

builddeps() {
    unset DEPSTMP
    for LINE in `grep "<prereq package=\"" $1 \
                 | sed s/\ //g \
                 | awk -F\" '{print $2}'`; do 
                 DEPSTMP="${DEPSTMP} `cname $LINE $2`"
    done
    chomp "$DEPSTMP"
}

installdeps() {
    unset DEPSTMP
    for LINE in `grep "prereq pkgspec" $1 \
                 | awk '{print $4}'`; do 
                 DEPSTMP="${DEPSTMP} `cname $LINE $2`"
    done
    chomp "$DEPSTMP"
}

printf "%s : %s\n" "`cname $1 .installed`" "`builddeps $1 .installed`"
printf "%s : %s\n" "`cname $1 .packaged`" "`installdeps $1 .packaged`"

exit 0