mikefrobbins · May 15, 2024 22:17 · May 15, 2024
diff --git a/Test-IsWindowsTerminal.ps1 b/Test-IsWindowsTerminal.ps1
@@ -0,0 +1,35 @@
+function Test-IsWindowsTerminal {
+    [CmdletBinding()]
+    param ()
+
+    # Check if PowerShell version is 5.1 or below, or if running on Windows
+    if ($PSVersionTable.PSVersion.Major -le 5 -or $IsWindows -eq $true) {
+        $currentPid = $PID
+
+        # Loop through parent processes to check if Windows Terminal is in the hierarchy
+        while ($currentPid) {
+            try {
+                $process = Get-CimInstance Win32_Process -Filter "ProcessId = $currentPid" -ErrorAction Stop -Verbose:$false
+            } catch {
+                # Return false if unable to get process information
+                return $false
+            }
+
+            Write-Verbose -Message "ProcessName: $($process.Name), Id: $($process.ProcessId), ParentId: $($process.ParentProcessId)"
+
+            # Check if the current process is Windows Terminal
+            if ($process.Name -eq 'WindowsTerminal.exe') {
+                return $true
+            } else {
+                # Move to the parent process
+                $currentPid = $process.ParentProcessId
+            }
+        }
+
+        # Return false if Windows Terminal is not found in the hierarchy
+        return $false
+    } else {
+        Write-Verbose -Message 'Exiting due to non-Windows environment'
+        return $false
+    }
+}