From ca2da4426615ea80d8736b6b7e35b9adb712e396 Mon Sep 17 00:00:00 2001
From: Steve Streeting <steve@stevestreeting.com>
Date: Fri, 29 May 2020 12:19:22 +0100
Subject: [PATCH] Detect if using Git or not

---
 ue4-cleanup.ps1 | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/ue4-cleanup.ps1 b/ue4-cleanup.ps1
index fb525de..e0b0ce1 100644
--- a/ue4-cleanup.ps1
+++ b/ue4-cleanup.ps1
@@ -110,13 +110,17 @@ try {
 
     }
 
-    if (-not $nolfsprune) {
-        if ($dryrun) {
-            Write-Output "Would have pruned LFS files"
-            git lfs prune --dry-run
-        } else {
-            Write-Output "Pruning Git LFS files"
-            git lfs prune
+    
+    $isGit = Test-Path .git
+    if ($isGit) {
+        if (-not $nolfsprune) {
+            if ($dryrun) {
+                Write-Output "Would have pruned LFS files"
+                git lfs prune --dry-run
+            } else {
+                Write-Output "Pruning Git LFS files"
+                git lfs prune
+            }
         }
     }
     Write-Output "-- Cleanup finished OK --"