From ab9068c2d07a369dfdd2ead5cf995a6f7e3f7d53 Mon Sep 17 00:00:00 2001
From: "Brian C. Lane" <bcl@redhat.com>
Date: Tue, 21 Dec 2021 13:17:37 -0800
Subject: [PATCH] image-minimizer: Check for missing root directory

---
 src/bin/image-minimizer | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/bin/image-minimizer b/src/bin/image-minimizer
index 75eae83c..93367273 100755
--- a/src/bin/image-minimizer
+++ b/src/bin/image-minimizer
@@ -145,9 +145,13 @@ class ImageMinimizer:
             self.ts.run(runCallback, "erase")
 
     def filter(self):
+        if not os.path.isdir(self.prefix):
+            raise FileNotFoundError(f"No such directory: '{self.prefix}")
+
         with open(self.filename) as f:
             for line in f:
                 self.parse_line(line.strip())
+
         self.remove()
         self.remove_rpm()