From 1ab1462c543f9fc756a5f983fb492cce122e8b52 Mon Sep 17 00:00:00 2001
From: Connor Neville <connor.neville16@gmail.com>
Date: Tue, 18 Jun 2024 16:22:16 -0400
Subject: [PATCH] Replace force unwrap with fatalError, including more
 troubleshooting.

---
 Sources/SnapshotTesting/Snapshotting/UIImage.swift | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Sources/SnapshotTesting/Snapshotting/UIImage.swift b/Sources/SnapshotTesting/Snapshotting/UIImage.swift
index 3d1bb5319..e8420e891 100644
--- a/Sources/SnapshotTesting/Snapshotting/UIImage.swift
+++ b/Sources/SnapshotTesting/Snapshotting/UIImage.swift
@@ -29,7 +29,14 @@
 
       return Diffing(
         toData: { $0.pngData() ?? emptyImage().pngData()! },
-        fromData: { UIImage(data: $0, scale: imageScale)! }
+        fromData: {
+            guard let image = UIImage(data: $0, scale: imageScale) else {
+                fatalError(
+                    "Unable to load image from data on file for snapshot diffing. Check the contents of the image file. Projects using `git lfs` for file storage may need to run `git lfs pull`."
+                )
+            }
+            return image
+        }
       ) { old, new in
         guard
           let message = compare(