#!/bin/bash

if [[ $# -lt 2 ]]; then
	echo "$0 NEW_VERSION SO_VERSION"
	exit 1
fi

GIT_DIR="$(git rev-parse --show-toplevel)"
OLD_VERSION="$(git describe --tags --abbrev=0 | sed 's/^v//')"
NEW_VERSION="$1"
SO_VERSION="$2"
DATE="$(date '+%Y-%m-%d')"

if ! [[ "$SO_VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
	echo "$0: SO_VERSION must contain dots (e.g. '15.0.1')"
	exit 1
fi

echo -e "\nVersion $NEW_VERSION ($DATE):" >> "$GIT_DIR/ChangeLog"
sed -i "s|\[$OLD_VERSION\]|\[$NEW_VERSION\]|" "$GIT_DIR/configure.ac"
sed -i "s|LIBCPUID_CURRENT=.*|dnl $(echo $SO_VERSION | tr . :)   Version $NEW_VERSION:\nLIBCPUID_CURRENT=$(echo $SO_VERSION | cut -d. -f1)|" "$GIT_DIR/configure.ac"
sed -i "s|LIBCPUID_AGE=.*|LIBCPUID_AGE=$(echo $SO_VERSION | cut -d. -f2)|" "$GIT_DIR/configure.ac"
sed -i "s|LIBCPUID_REVISION=.*|LIBCPUID_REVISION=$(echo $SO_VERSION | cut -d. -f3)|" "$GIT_DIR/configure.ac"
sed -i "s|VERSION \"$OLD_VERSION\"|VERSION \"$NEW_VERSION\"|" "$GIT_DIR/CMakeLists.txt"
sed -i "s|set(SOVERSION .*)|set(SOVERSION $(echo $SO_VERSION | cut -d. -f1))|" "$GIT_DIR/CMakeLists.txt"
sed -i "s|$OLD_VERSION|$NEW_VERSION|g" "$GIT_DIR/libcpuid/"{Makefile.x64,Makefile.x86,libcpuid.dsp,libcpuid_vc10.vcxproj,libcpuid_vc71.vcproj}
sed -i "s|\\\version  $OLD_VERSION|\\\version  $NEW_VERSION|" "$GIT_DIR/libcpuid/libcpuid.h"

echo "Model from https://github.com/anrieff/libcpuid/commit/a6123e8139ce73e26b5711c3e119b5b2bc9c9378"
echo -e "Also, make appropriate changes in follow files:\n- ChangeLog\n- configure.ac\n- libcpuid/libcpuid.h"