#!/usr/bin/env bash
# vim: set sw=4 sts=4 et :

# Copyright (c) 2006 Stephen Bennett
#
# Based in part upon dosym from Portage, which is Copyright 1995-2005
# Gentoo Foundation and distributed under the terms of the GNU General
# Public License v2.
#
# This file is part of the Paludis package manager. Paludis 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; either version
# 2 of the License, or (at your option) any later version.
#
# Paludis 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
# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
# Place, Suite 330, Boston, MA  02111-1307  USA

export PATH="${PALUDIS_EBUILD_DIR:+${PALUDIS_EBUILD_DIR}/utils:}${PATH}"
source ${PALUDIS_EBUILD_DIR}/die_functions.bash
source ${PALUDIS_EBUILD_DIR}/pipe_functions.bash
source ${PALUDIS_EBUILD_DIR}/output_functions.bash

if [[ ! -d ${!PALUDIS_IMAGE_DIR_VAR} ]]; then
    paludis_die_or_error "\${${PALUDIS_IMAGE_DIR_VAR}} not valid; aborting"
fi

if [[ ${#} -ne 2 ]]; then
    paludis_die_or_error "exactly two arguments needed."
fi

if [[ ! -d $(dirname "${!PALUDIS_IMAGE_DIR_VAR}$2") ]]; then
    if [[ -n "${PALUDIS_DOSYM_NO_MKDIR}" ]] ; then
        die "error: target directory $(dirname "${!PALUDIS_IMAGE_DIR_VAR}$2" ) does not exist"
    else
        ebuild_notice "qa" "$0: target directory $(dirname "${!PALUDIS_IMAGE_DIR_VAR}$2") does not exist; creating. Please fix the ebuild to create it explicitly."
        dodir $(dirname $2)
    fi
fi

ln -snf "${1}" "${!PALUDIS_IMAGE_DIR_VAR}${2}" || paludis_die_or_error "creation of symlink ${!PALUDIS_IMAGE_DIR_VAR}${2} failed"
