param(
  [Parameter(Mandatory = $true, Position = 0)]
  [string]$Zip,

  [Parameter(Mandatory = $true, Position = 1)]
  [string]$Target
)

$ErrorActionPreference = "Stop"
$WorkDir = ".tmp_restore_mirror"

if (-not (Test-Path $Zip)) {
  Write-Host "Error: file not found: $Zip"
  exit 1
}

try {
  Write-Host "[1/3] Extracting $Zip ..."
  New-Item -ItemType Directory -Force -Path $WorkDir | Out-Null
  Expand-Archive -Path $Zip -DestinationPath $WorkDir -Force

  Write-Host "[2/3] Pushing all refs to $Target ..."
  Push-Location $WorkDir
  git remote set-url origin $Target
  git push --mirror
  Pop-Location

  Write-Host "[3/3] Done. Repository restored at $Target"
}
finally {
  if (Test-Path $WorkDir) {
    Remove-Item -Recurse -Force $WorkDir
  }
}