fixed tokens

msys2.ps1

@@ -0,0 +1,25 @@
+[CmdletBinding()]
+param(
+    [Parameter(ValueFromRemainingArguments = $true)]
+    [string[]]$Command
+)
+
+$msysRoot = if ($env:MSYS2_ROOT) { $env:MSYS2_ROOT } else { "C:\msys64" }
+$bash = Join-Path $msysRoot "usr\bin\bash.exe"
+
+if (-not (Test-Path -LiteralPath $bash)) {
+    Write-Error "MSYS2 bash was not found at: $bash"
+    exit 1
+}
+
+$env:MSYSTEM = "UCRT64"
+$env:CHERE_INVOKING = "1"
+
+if ($Command.Count -eq 0) {
+    & $bash --login
+} else {
+    $cmdString = $Command -join " "
+    & $bash -lc $cmdString
+}
+
+exit $LASTEXITCODE