@echo off
chcp 866
setlocal enabledelayedexpansion
for /f "tokens=* delims=" %%A in ('dir "%~dp0*.exe" /b /a-d') do (
for /f "tokens=3 delims=-" %%B in ("%%A") do (
set "ChrVer=%%B"
))
if DEFINED ChrVer Call :_ChrInst
GoTo :EOF
:_ChrInst
set "ChrInstFile=chromium-gost-%ChrVer%-windows-386-installer.exe"
if DEFINED ProgramFiles(x86) set "ChrInstFile=chromium-gost-%ChrVer%-windows-amd64-installer.exe"
if EXIST "%~dp0%ChrInstFile%" "%~dp0%ChrInstFile%" --system-level --install

iwr ((ConvertFrom-Json (iwr https://api.github.com/repos/deemru/Chromium-Gost/releases/latest).content).assets.browser_download_url.where{$_ -like "*-amd64-installer.exe"})[0] -Outfile "$env:temp\ChrInstFile.exe";

if (Test-Path -Path "$env:temp\ChrInstFile.exe") {
Start-Process -NoNewWindow -FilePath "$env:temp\ChrInstFile.exe" -ArgumentList "--system-level --install" -Wait;
Remove-Item -Path "$env:temp\ChrInstFile.exe" -Force;
}