#!/bin/sh

#set -x

cd `dirname $0`/..

ARGSOKAY=1
if [ -z $1 ]; then
    ARGSOKAY=0
fi
if [ -z $2 ]; then
    ARGSOKAY=0
fi
if [ -z $3 ]; then
    ARGSOKAY=0
fi

if [ "x$ARGSOKAY" = "x0" ]; then
    echo "USAGE: $0 <major> <minor> <patch>" 1>&2
    exit 1
fi

MAJOR="$1"
MINOR="$2"
PATCH="$3"
NEWVERSION="$MAJOR.$MINOR.$PATCH"

echo "Updating version to '$NEWVERSION' ..."

# !!! FIXME: This first one is a kinda scary search/replace that might fail later if another X.Y.Z version is added to the file.
perl -w -pi -e 's/(\<string\>)\d+\.\d+\.\d+/${1}'$NEWVERSION'/;' Xcode/SDL/Info-Framework.plist

DYVER=`expr $MINOR \* 100 + 1`
perl -w -pi -e 's/(DYLIB_CURRENT_VERSION\s*=\s*)\d+\.\d+\.\d+/${1}'$DYVER'.0.0/;' Xcode/SDL/SDL.xcodeproj/project.pbxproj

# Set compat to major.minor.0 by default.
perl -w -pi -e 's/(DYLIB_COMPATIBILITY_VERSION\s*=\s*)\d+\.\d+\.\d+/${1}'$DYVER'.0.0/;' Xcode/SDL/SDL.xcodeproj/project.pbxproj

# non-zero patch?
if [ "x$PATCH" != "x0" ]; then
    if [ `expr $MINOR % 2` = "0" ]; then
        # If patch is not zero, but minor is even, it's a bugfix release.
        perl -w -pi -e 's/(DYLIB_CURRENT_VERSION\s*=\s*)\d+\.\d+\.\d+/${1}'$DYVER'.'$PATCH'.0/;' Xcode/SDL/SDL.xcodeproj/project.pbxproj

    else
        # If patch is not zero, but minor is odd, it's a development prerelease.
        DYVER=`expr $MINOR \* 100 + $PATCH + 1`
        perl -w -pi -e 's/(DYLIB_CURRENT_VERSION\s*=\s*)\d+\.\d+\.\d+/${1}'$DYVER'.0.0/;' Xcode/SDL/SDL.xcodeproj/project.pbxproj
        perl -w -pi -e 's/(DYLIB_COMPATIBILITY_VERSION\s*=\s*)\d+\.\d+\.\d+/${1}'$DYVER'.0.0/;' Xcode/SDL/SDL.xcodeproj/project.pbxproj
    fi
fi

perl -w -pi -e 's/\A(SDL_MAJOR_VERSION=)\d+/${1}'$MAJOR'/;' configure.ac
perl -w -pi -e 's/\A(SDL_MINOR_VERSION=)\d+/${1}'$MINOR'/;' configure.ac
perl -w -pi -e 's/\A(SDL_MICRO_VERSION=)\d+/${1}'$PATCH'/;' configure.ac

perl -w -pi -e 's/\A(set\(SDL_MAJOR_VERSION\s+)\d+/${1}'$MAJOR'/;' CMakeLists.txt
perl -w -pi -e 's/\A(set\(SDL_MINOR_VERSION\s+)\d+/${1}'$MINOR'/;' CMakeLists.txt
perl -w -pi -e 's/\A(set\(SDL_MICRO_VERSION\s+)\d+/${1}'$PATCH'/;' CMakeLists.txt

perl -w -pi -e 's/\A(MAJOR_VERSION\s*=\s*)\d+/${1}'$MAJOR'/;' Makefile.os2
perl -w -pi -e 's/\A(MINOR_VERSION\s*=\s*)\d+/${1}'$MINOR'/;' Makefile.os2
perl -w -pi -e 's/\A(MICRO_VERSION\s*=\s*)\d+/${1}'$PATCH'/;' Makefile.os2

perl -w -pi -e 's/\A(MAJOR_VERSION\s*=\s*)\d+/${1}'$MAJOR'/;' Makefile.w32
perl -w -pi -e 's/\A(MINOR_VERSION\s*=\s*)\d+/${1}'$MINOR'/;' Makefile.w32
perl -w -pi -e 's/\A(MICRO_VERSION\s*=\s*)\d+/${1}'$PATCH'/;' Makefile.w32

perl -w -pi -e 's/(\#define SDL_MAJOR_VERSION\s+)\d+/${1}'$MAJOR'/;' include/SDL_version.h
perl -w -pi -e 's/(\#define SDL_MINOR_VERSION\s+)\d+/${1}'$MINOR'/;' include/SDL_version.h
perl -w -pi -e 's/(\#define SDL_PATCHLEVEL\s+)\d+/${1}'$PATCH'/;' include/SDL_version.h

perl -w -pi -e 's/(FILEVERSION\s+)\d+,\d+,\d+/${1}'$MAJOR','$MINOR','$PATCH'/;' src/main/windows/version.rc
perl -w -pi -e 's/(PRODUCTVERSION\s+)\d+,\d+,\d+/${1}'$MAJOR','$MINOR','$PATCH'/;' src/main/windows/version.rc
perl -w -pi -e 's/(VALUE "FileVersion", ")\d+, \d+, \d+/${1}'$MAJOR', '$MINOR', '$PATCH'/;' src/main/windows/version.rc
perl -w -pi -e 's/(VALUE "ProductVersion", ")\d+, \d+, \d+/${1}'$MAJOR', '$MINOR', '$PATCH'/;' src/main/windows/version.rc

echo "Regenerating configure script with new version..."
./autogen.sh |grep -v 'Now you are ready to run ./configure'

echo "Running test/versioning.sh to verify changes..."
./test/versioning.sh

echo "All done."
echo "Run 'git diff' and make sure this looks correct, before 'git commit'."

exit 0