From bc9e4f52b4cf6b3d7bffc683e92efb01a25e8821 Mon Sep 17 00:00:00 2001
From: James Magahern <jmagahern@apple.com>
Date: Tue, 20 Dec 2022 16:43:45 -0800
Subject: [PATCH] PreviewURL is nil on old macOS for some reason

---
 kordophone/Bridge/Operations/MBIMFetchAttachmentOperation.m | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/kordophone/Bridge/Operations/MBIMFetchAttachmentOperation.m b/kordophone/Bridge/Operations/MBIMFetchAttachmentOperation.m
index a21433f..1822d70 100644
--- a/kordophone/Bridge/Operations/MBIMFetchAttachmentOperation.m
+++ b/kordophone/Bridge/Operations/MBIMFetchAttachmentOperation.m
@@ -76,10 +76,13 @@
                     break;
                 }
                 
+                // Convert to JPEG.
                 responseData = MBIMCGImageJPEGRepresentation(previewImage);
                 
                 // Persist JPEG preview to disk
-                [responseData writeToURL:previewURL atomically:YES];
+                if (previewURL) {
+                    [responseData writeToURL:previewURL atomically:YES];
+                }
             } else {
                 // File exists
                 MBIMLogInfo(@"Using cached preview image for guid: %@ at %@", guid, [previewURL path]);