#!/usr/bin/env bash


# This file is part of scripts.

# scripts is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.

# scripts is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with scripts.  If not, see <https://www.gnu.org/licenses/>.

# Original author: Maciej Barć <xgqt@riseup.net>
# Copyright (c) 2021, src_prepare group
# Licensed under the GNU GPL v3 License

# Fork of 'portdupe' from Gentoo science reporitory, original by omp:
#   Copyright 2006 David Shakaryan <omp@gentoo.org>
#   Distributed under the terms of the GNU General Public License v2
# This one upgrades the license to GNU General Public License v3

# shellcheck disable=1117


trap 'exit 128' INT
export PATH


PORTDIR="$(portageq get_repo_path / gentoo)"


# If an argument is present, use it as the overlay directory.
if [ "${1}" ]
then
    cd "${1}" || exit 1
fi

# Checking, displaying, etc.
for PACKAGE in */*
do
    if [ -d "${PORTDIR}/${PACKAGE}" ] \
           && [[ $(basename "${PACKAGE}") != "CVS" ]] \
           && grep -q "$(dirname "${PACKAGE}")" "${PORTDIR}/profiles/categories"
    then
        # Reset versions from last package checked.
        PORTPACK_VERS=""
        OVERPACK_VERS=""

        # Find just package name excluding category.
        PACKAGE_BASE="$(basename "${PACKAGE}")"

        # Find versions of package in portage.
        for PORTPACK in $(find "${PORTDIR}/${PACKAGE}" -name "*.ebuild" | sed -e 's/.ebuild//')
        do
            PORTPACK_VER="$(basename "${PORTPACK}" | sed "s/${PACKAGE_BASE}-//")"
            PORTPACK_VERS="${PORTPACK_VERS} ${PORTPACK_VER}"
        done

        # Find versions of package in overlay.
        for OVERPACK in $(find "${PACKAGE}" -name "*.ebuild" | sed -e 's/.ebuild//')
        do
            OVERPACK_VER="$(basename "${OVERPACK}" | sed "s/${PACKAGE_BASE}-//")"
            OVERPACK_VERS="${OVERPACK_VERS} ${OVERPACK_VER}"
        done

        # Output info with colors.
        purple=$'\e[1;35m'
        esc=$'\e[0m'

        printf "%s\n" \
            "${purple}${PACKAGE}${esc}" \
            "  ${purple}Portage:${esc}${PORTPACK_VERS}" \
            "  ${purple}Overlay:${esc}${OVERPACK_VERS}"
    fi
done