$ErrorActionPreference = "Stop"

$hostName = "git.txyundm.cn"
$port = "2222"
$knownHosts = Join-Path $env:USERPROFILE ".ssh\known_hosts"

Write-Host "Checking known_hosts entries for $hostName port $port"
& ssh-keygen -F "[$hostName]:$port"
if ($LASTEXITCODE -ne 0) {
  Write-Host "WARN: no known_hosts entry for [$hostName]:$port"
}

Write-Host "Attempting read-only SSH handshake."
& ssh -T -p $port "git@$hostName"
if ($LASTEXITCODE -ne 0) {
  throw "Gitea SSH handshake failed. Confirm host fingerprint before editing $knownHosts."
}