#!/bin/bash
eopts=$1
pkg=$2

source /sbin/functions.sh

[[ $EUID != 0 ]] && ewarn "You are not root!" && exit 1

[ -z "$pkg" ] && eerror "Please specify a package name (eg. supermerge <package-name>)" && exit 1

[ ! -e `which emerge` ] && eerror "Emerge binary not found." && exit 1

[ -d /etc/portage ] || mkdir /etc/portage

function get_arch {
        arch=`ls -l /etc/make.profile | awk {'print $11'} | awk --field-separator="/" {'print $6'}`
}

function scan_merge {
        masked=`emerge -p $mpkg | grep "masked by"`

        if [ -n "$masked" ]; then
                pkg_name=`echo $masked | cut -d ' ' -f 2 | sed -r 's/-[0-9].*//'`
                pkg_mask=`echo $masked | cut -d ' ' -f 5`
               
                einfo "adding $pkg_name (masked by: $pkg_mask)"
               
                [ "$pkg_mask" = "~$arch" ] && echo "$pkg_name $pkg_mask" >> /etc/portage/package.keywords
                [ "$pkg_mask" = "package.mask" ] && echo "$pkg_name" >> /etc/portage/package.unmask
               
                scan_merge $mpkg
        else   
                einfo "no (more) masked packages, now emerging $mpkg"
                emerge $eopts $mpkg
        fi

}

get_arch
mpkg=`ACCEPT_KEYWORDS=~$arch emerge -p $pkg | tail -n 1 | sed 's/\[ebuild.......\]\ //' | sed 's/\[[[:digit:]].*\]//' | sed 's/-[[:digit:]].*$//'`

echo "probing masked dependencies for $mpkg..."
scan_merge $mpkg