#!/bin/sh
#
# Copyright © 2010 Diego Elio Pettenò <flameeyes@gentoo.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
# ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
# CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
# DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
# PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
# SOFTWARE.

DEPTH=${DEPTH:-1}

script="$0"

[ -f /etc/portage/make.tinderbox.private.conf ] && source /etc/portage/make.tinderbox.private.conf

fetchrevdeps() {
    curl --fail ${TINDERBOX_PROXY+--proxy ${TINDERBOX_PROXY}} http://qa-reports.gentoo.org/output/genrdeps/{r,d}index/$1 2>/dev/null
}

filterrevdeps() {
    egrep -v '^\[B\]' | sort -u | \
        xargs -r -n1 qatom | \
        cut -d ' ' -f 1-2 | \
        tr ' ' '/' | \
        uniq | tee
}

moreornot() {
    if [ ${DEPTH} -gt 1 ]; then
        DEPTH=$((${DEPTH}-1))
        xargs "$script"
    else
        cat -
    fi
}

for atom in "$@"; do
    echo $atom
    fetchrevdeps $atom
done | filterrevdeps | moreornot