fix: reattach tty for shell bootstrap

server/index.ts

@@ -43,6 +43,9 @@ need_root() {
 }
 
 run_as_root() {
+  if [ -r /dev/tty ]; then
+    exec </dev/tty
+  fi
   if need_root; then
     exec "$1" "\${TSRUN_ARGS[@]}"
   fi
@@ -76,6 +79,19 @@ function Test-Administrator {
   return $principal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
 }
 
+function Get-TsrunTempDir {
+  if ($env:TEMP) {
+    return $env:TEMP
+  }
+  if ($env:TMPDIR) {
+    return $env:TMPDIR
+  }
+  if ($IsWindows) {
+    return [System.IO.Path]::GetTempPath()
+  }
+  return '/tmp'
+}
+
 function Download-Tsrun {
   param(
     [string] $PrimaryUrl,
@@ -136,7 +152,7 @@ function Start-Tsrun {
 
   $url = ${psQuote(binURL)}
   $rawUrl = ${psQuote(rawBinURL)}
-  $tempDir = Join-Path $env:TEMP 'tsrun-bootstrap'
+  $tempDir = Join-Path (Get-TsrunTempDir) 'tsrun-bootstrap'
   $exePath = Join-Path $tempDir 'tsrun.exe'
   New-Item -ItemType Directory -Force -Path $tempDir | Out-Null
 
@@ -190,7 +206,7 @@ function detectBootstrapKind(req: Request, url: URL): "shell" | "powershell" | "
   if (forced === "windows") return "powershell";
 
   const ua = (req.headers.get("user-agent") ?? "").toLowerCase();
-  if (ua.includes("powershell") || ua.includes("windowspowershell")) return "powershell";
+  if ((ua.includes("powershell") || ua.includes("windowspowershell")) && ua.includes("windows")) return "powershell";
   if (ua.includes("curl") || ua.includes("wget") || ua.includes("busybox")) return "shell";
 
   return "text";