--- /usr/sbin/integrity-sign.orig	2020-01-21 17:08:34.000000000 +0300
+++ /usr/sbin/integrity-sign	2023-11-22 23:00:45.802513081 +0300
@@ -167,7 +167,7 @@
 no_immutable_files()
 {
 	while read file; do
-		chattr -i "$file"
+		chattr -i "$file" || message "Can't reset immutable flag for file $file"
 	done
 }