@echo off
setlocal enabledelayedexpansion
:: Restore a git mirror backup into a target repository.
:: Works on Windows (CMD).

if "%~1"=="" (
  echo Usage: %~nx0 ^<backup.zip^> ^<target-repo-url^>
  exit /b 1
)

set "ZIP=%~1"
set "TARGET=%~2"
set "WORK_DIR=.tmp_restore_mirror"

if not exist "%ZIP%" (
  echo Error: file not found: %ZIP%
  exit /b 1
)

echo [1/3] Extracting %ZIP% ...
mkdir "%WORK_DIR%" >nul 2>&1
powershell -NoProfile -Command "Expand-Archive -Path '%ZIP%' -DestinationPath '%WORK_DIR%' -Force"

echo [2/3] Pushing all refs to %TARGET% ...
pushd "%WORK_DIR%"
git remote set-url origin "%TARGET%"
git push --mirror
popd

echo [3/3] Done. Repository restored at %TARGET%

rmdir /s /q "%WORK_DIR%" >nul 2>&1