Resolves: #1515180 - increase strength of GIF to beat MBR

file-5.33-gif.patch

@@ -0,0 +1,30 @@
+From f0e846528e1c839ab44895a1f13d167a4ad8def3 Mon Sep 17 00:00:00 2001
+From: Marek Cermak <macermak@redhat.com>
+Date: Wed, 20 Dec 2017 16:18:46 +0100
+Subject: [PATCH] Resolves: #1515180 - image/gif classifed as
+ application/octet-stream
+
+https://bugzilla.redhat.com/show_bug.cgi?id=1515180
+
+Signed-off-by: Marek Cermak <macermak@redhat.com>
+---
+ magic/Magdir/images | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/magic/Magdir/images b/magic/Magdir/images
+index 69e8e90f..76f7e7da 100644
+--- a/magic/Magdir/images
++++ b/magic/Magdir/images
+@@ -468,7 +468,9 @@
+ !:mime	image/x-unknown
+ 
+ # GIF
++# Strength set up to beat 0x55AA DOS/MBR signature word lookups (+65)
+ 0	string		GIF8		GIF image data
++!:strength +80
+ !:mime	image/gif
+ !:apple	8BIMGIFf
+ >4	string		7a		\b, version 8%s,
+-- 
+2.13.6
+

file.spec

@@ -15,7 +15,7 @@
 Summary: A utility for determining file types
 Name: file
 Version: 5.33
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: BSD
 Group: Applications/File
 Source0: ftp://ftp.astron.com/pub/file/file-%{version}.tar.gz
@@ -28,6 +28,7 @@ Patch3: file-4.17-rpm-name.patch
 Patch4: file-5.04-volume_key.patch
 
 # picked from upstream
+Patch1: file-5.33-gif.patch
 
 URL: http://www.darwinsys.com/file/
 Requires: file-libs = %{version}-%{release}
@@ -199,6 +200,9 @@ cd %{py3dir}
 %endif
 
 %changelog
+* Wed Apr 18 2018 Kamil Dudka <kdudka@redhat.com> - 5.33-2
+- increase strength of GIF to beat MBR (#1515180)
+
 * Mon Apr 16 2018 Kamil Dudka <kdudka@redhat.com> - 5.33-1
 - update to new version 5.33