#!/usr/bin/env bash

# Version: MPL 1.1 / GPLv3+ / LGPLv3+
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License or as specified alternatively below. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Initial Developer of the Original Code is
#       Petr Mladek <pmladek@suse.cz>
# Portions created by the Initial Developer are Copyright (C) 2011 the
# Initial Developer. All Rights Reserved.
#
# Major Contributor(s):
# Ted <ted@bear.com>
# Portions created by the Ted are Copyright (C) 2010 Ted. All Rights Reserved.
#
# For minor contributions see the git repository.
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 3 or later (the "GPLv3+"), or
# the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
# in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
# instead of those above.

usage()
{
    echo "Helper script to unpack the LO source tarbals"
    echo
    echo "Usage: ${0##*/} [--help] start-dir tarball..."
    echo
    echo "Options:"
    echo
    echo "	--help 		 this help"
    echo "	start-dir	 path where the sources are unpacked (bootstrap directory)"
    echo "      tarball          list of LO source tarball that need to be unpacked"
}

start_dir=
tarballs=

while test -n "$1" ; do
    case "$1" in
	--help)
	    usage
	    exit 0;
	    ;;
	--download)
	    download="yes"
	    ;;
	-*)
	    echo "Error: unknown option: $1"
	    exit 1;
	    ;;
	*)
	    if test -z "$start_dir" ; then
		start_dir="$1"
	    else
	        tarballs="$tarballs $1"
	    fi
	    ;;
    esac
    shift
done

if test -z "$start_dir" ; then
    echo "Error: Please, define where to unpack sources, try --help"
fi

if ! test -f $start_dir/Repository.mk -a -f $start_dir/solenv/inc/target.mk ; then
    echo "Error: $start_dir is not a valid LibreOffice core source directory"
    exit 1;
fi

if test ! -f $start_dir/sources.ver -o -d $start_dir/.git ; then
    echo "Warning: sources are from git and not from tarball"
    echo "         Do nothing."
    exit 0;
fi

lo_src_dir="$start_dir/src"
mkdir -p "$lo_src_dir"

for tarball in $tarballs ; do
    tarname=`basename $tarball | sed -e "s/\.tar\..*//"`
    if test -d $lo_src_dir/$tarname ; then
        echo "Warning: $lo_src_dir/$tarname already exists => skipping"
        continue;
    fi

    echo "Unpacking $tarname..."
    echo tar -xf "$tarball" -C "$lo_src_dir"
    tar -xf "$tarball" -C "$lo_src_dir"

    # create symlinks for module directories; ignore git-hooks directory
    for dir in `find "$lo_src_dir/$tarname" -mindepth 1 -maxdepth 1 -type d -path $lo_src_dir/$tarname/git-hooks -o -printf "$tarname/%f\n"` ; do
        ln -sf "src/$dir" "$start_dir"
    done
done