@echo off

rem we check de powershell version if lower that 3 exit
for /f %%i in ('powershell -Command "$PSVersionTable.PSVersion.Major"') do set powershellVersion=%%i
echo powershellVersion=%powershellVersion%

if %powershellVersion% LSS 3 (
  echo Only works with powershell greater or equal to 3 
  goto end
)

rem we download the setup package
set downloadUrl=https://cygwin.com/setup-x86_64.exe

mkdir downloads 2> nul

for /f %%i in ('powershell -Command "$(split-path -path "%downloadUrl%" -leaf)"') do set appFileName=%%i
echo appFileName=%appFileName%

rem The CMD shell does not use any great intelligence when evaluating parenthesis, and we have parenthesis in the inner command
if Not exist "downloads\%appFileName%" (
    rem file exists
	echo downloading %downloadUrl% to downloads
	rem we escape because we are inside if
	powershell -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-WebRequest %downloadUrl% -OutFile downloads\%appFileName%"
)

rem we install cygwin
set CYGWIN_HOME_REL_PATH=cygwin64
mkdir %CYGWIN_HOME_REL_PATH% 2> nul

echo installing cygwin
set packages=rsync,zip,unzip,wget,curl,openssh,openssl,xmlstarlet,jq,bind-utils,inetutils,git,mysql,python,python-pip,python3,python3-pip
rem rsync,zip,unzip,wget,curl,openssh,openssl,xmlstarlet,jq,bind-utils,inetutils,git …
downloads\setup-x86_64.exe --no-admin --quiet-mode --no-startmenu --no-desktop --no-shortcuts --force-current --local-package-dir "%CD%\downloads" --root "%CD%\%CYGWIN_HOME_REL_PATH%" --site "http://cygwin.mirror.constant.com/" --packages %packages%

rem we fix the fstab
cygwin64\bin\sed -i "s\,user \,user,noacl \g" cygwin64\etc\fstab

rem we setup PATH
set CYGWIN_HOME=%CD%\%CYGWIN_HOME_REL_PATH%
set CYGWIN_PATH=%CYGWIN_HOME%\bin

echo The Current Dir is equal to %CD%
echo The CYGWIN_HOME is equal to %CYGWIN_HOME%
echo The CYGWIN_HOME_REL_PATH is equal to %CYGWIN_HOME_REL_PATH%

echo %PATH% | %WINDIR%\System32\find.exe "%CYGWIN_PATH%" /C >NUL
IF NOT ERRORLEVEL 1 GOTO pathDuplicate
SET PATH=%CYGWIN_PATH%;%PATH%
echo PATH has been updated PATH = %PATH%
:pathDuplicate

:end