@echo off
:: Set UTF-8 encoding
chcp 65001
:: Set window title
title UPM Package Update Tool
:: Set console color
color a

echo 开始提交到git upm....
echo 提交upm前请确保当前分支所有改动都已经提交！

:: Extract version from package.json
for /f "tokens=2 delims=:, " %%i in ('findstr "version" Assets\package.json') do (
    set version=%%i
)
:: Remove quotes
set version=%version:"=%

echo 从package.json中读取的版本号为：%version%

:: Check if tag exists
git tag | findstr "%version%" > nul
if %errorlevel% equ 0 (
    echo 错误：版本号 %version% 对应的tag已存在！
    pause
    exit
)

set /p Flg=确认提交的版本号%version%，是否开始提交(y/n) -------- :

IF "%Flg%" equ "y" (
	echo 开始提交，请勿关闭该窗口！
	
	:: Delete local upm branch if exists
	git branch -D upm 2>nul
	
	:: Create new upm branch from current Assets folder
	git subtree split --prefix=Assets --branch upm
	
	:: Force update local upm branch with remote changes
	git fetch origin upm
	git checkout upm
	git reset --hard origin/upm
	
	:: Create new subtree split
	git checkout master
	git subtree split --prefix=Assets --branch upm-temp
	
	:: Apply new changes and force push
	git checkout upm
	git merge upm-temp --allow-unrelated-histories -X theirs
	git branch -D upm-temp
	
	:: Create and push tag
	git tag %version% upm
	git push -f origin upm --tags
	
	:: Return to original branch
	git checkout master
	GOTO :END
)

:END
echo 执行完成!
pause
exit