From 52d01a7277ee23e210b725a77ec0a4920a64e1cb Mon Sep 17 00:00:00 2001
From: Mayank Kumar <mayankk2308@gmail.com>
Date: Tue, 10 Apr 2018 22:19:57 -0400
Subject: [PATCH] Fix backup update overwrite on already-patched system (edge
 case)

---
 purge-wrangler.sh | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/purge-wrangler.sh b/purge-wrangler.sh
index bc9351a..070c605 100755
--- a/purge-wrangler.sh
+++ b/purge-wrangler.sh
@@ -255,6 +255,18 @@ backup_system()
     else
       echo "Different build/version of macOS detected. Updating backup...\n"
       rm -r "$backup_agc"
+      if [[ "$patch_status" == 1 ]]
+      then
+        echo "Uninstalling patch before backup update...\n"
+        echo "Re-running script...\n"
+        sleep 3
+        "$0" "uninstall" "-f"
+        echo "System re-patched.\n"
+        echo "Re-running script...\n"
+        sleep 3
+        "$0" "$operation" "$advanced_operation"
+        exit
+      fi
       execute_backup
       echo "Update complete.\n"
     fi