#! /bin/bash
#
# addpatch - generates src/version.h
#
# Copyright (C) 2002 - 2025 Eggheads Development Team
# Copyright (C) 2000 Fabian Knittel <fknittel@gmx.de>
#
# This file 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.
#
# This program 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.
#
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.

show_usage() {
	echo "Usage: `basename $0` [-hs] <patchname>"
	echo ""
	echo "  patchname  - Name of patch to add."
        echo "    * Use 'none' as patchname to remove existing patch"
	echo ""
	echo "  -h, --help - Print this help and exit."
	echo "  -s, --show - Print current patch name and exit."
	exit 1
}

if test "x${1}" = "x" || test "x${1}" = "x-h" || test "x${1}" = "x--help"; then
	show_usage
else
	patch_name=$1
fi

if test ! -f src/main.c; then
	echo "You are not in the Eggdrop root directory."
	exit 1
fi

oldpatch_name=$(grep -E '^#define EGG_PATCH.*' src/version.h|cut -d "\"" -f 2
)

if test "x${oldpatch_name}" = "x"; then
	oldpatch_name='stable'
fi

if test "x${1}" = "x-s" || test "x${1}" = "x--show"; then
	echo ${oldpatch_name}
	exit
fi


stringver=$(grep -E '^#define EGG_STRINGVER.*' src/version.h|cut -d "\"" -f 2)
old_numver=$(grep -E '^#define EGG_NUMVER.*' src/version.h|cut -d " " -f 3)
foo=${old_numver: -2}
if [ $foo -lt 99 ]; then
  new_numver=$((old_numver + 1))
else 
  echo "Patch level has exceeded 99- you *really* need to release a new version."
  exit
fi

echo "Current version: ${stringver}"
echo "Current numerical version: ${old_numver}"
echo "Current patch: ${oldpatch_name}"
echo ""
echo "New numerical version ${new_numver}"
echo "New patch:     ${patch_name}"

cat <<EOS > src/version.h
/*
 * version.h
 *   include file controlling version strings used by Eggdrop
 *
 * should contain something similar to only the following 3 lines:
 *   #define EGG_STRINGVER "1.8.0"
 *   #define EGG_NUMVER 1080000
 *   #define EGG_PATCH "patchstring"
 */
/*
 * Copyright (C) 1997 Robey Pointer
 * Copyright (C) 1999 - 2025 Eggheads Development Team
 *
 * This program 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.
 *
 * This program 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.
 */

EOS

echo "#define EGG_STRINGVER \"$stringver\"" >> src/version.h
echo "#define EGG_NUMVER $new_numver" >> src/version.h
if [ $patch_name != "none" ]; then
  echo "#define EGG_PATCH \"$patch_name\"" >> src/version.h
fi
