#!/bin/bash
# Find dependency of files in /usr/lib and /usr/bin of a port by looking at
#  the output of ldd
#
# Johannes Winkelmann <jw at tks6 dot net>
# awk stuff by Juergen Daubert <jue at jue dot li>

version=1.9.1
pkgdb="/var/lib/pkg/db"

export LD_LIBRARY_PATH=/lib:/usr/lib:/lib32:/usr/lib32:$LD_LIBRARY_PATH

function printDep() {
    deps=()
    files=(`awk -v p="$1" -v RS="" '$1==p' $pkgdb | awk '/(sbin|bin|lib|lib32|libexec)\//'`)
    for f in ${files[*]}; do
        if [ -f "/$f" ]; then
            deps=(${deps[*]} `ldd /$f 2> /dev/null | awk '!/(linux-gate)|( dynamic)|(not found)/ {print $3}'`)
        fi
    done

    deps=(`for t in  ${deps[*]}; do realpath $t; done|sort|uniq`)

    for d in ${deps[*]}; do
        awk -v s="$d" -v RS="" '$0 ~ substr(s,2) {print $1}' $pkgdb
    done
}


if [ "$1" = "" ]; then
    echo "Usage: ${0##*/} <port>"
    exit -1
fi

pkgName=${1##*/}

prt-get isinst $pkgName &> /dev/null
if [ $? -ne 0 ]; then
    echo "$pkgName is not installed"
    exit -3
fi

depPkg=`printDep $pkgName |sort|uniq|grep -v "\<$pkgName\>"`

for p in $depPkg; do
    echo -n $p
    coll=`prt-get printf "%p" --filter=$p|sed -e 's|.*/||'`
    if [ "$coll" != "" ]; then
        echo -n " ($coll)"
    fi
    echo ""
done|sort -k 2