Backport upstream fix for GetPageGeometry misbehavior (bug 2177631)

ImageMagick.spec

@@ -10,7 +10,7 @@ Epoch:          1
 Epoch:          0
 %endif
 Version:        6.9.12.77
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        An X application for displaying and manipulating images
 
 %global VER %(foo=%{version}; echo ${foo:0:6})
@@ -18,6 +18,11 @@ Summary:        An X application for displaying and manipulating images
 License:        ImageMagick
 Url:            https://legacy.imagemagick.org/
 Source0:        https://www.imagemagick.org/archive/%{name}-%{VER}-%{Patchlevel}.tar.xz
+# https://bugzilla.redhat.com/show_bug.cgi?id=2177631
+# rubygem-rmagick test suite fails with ImageMagick 6.9.12-76 and above, fixed by below
+# https://github.com/ImageMagick/ImageMagick/issues/6158
+# https://github.com/ImageMagick/ImageMagick6/commit/15c5b01124557ccca9a619bd435d91ecd73659d3
+Patch0:         ImageMagick6-terminate-loop-on-sentinel.patch
 
 BuildRequires:  pkgconfig(bzip2), pkgconfig(freetype2), pkgconfig(libjpeg), pkgconfig(libpng)
 BuildRequires:  pkgconfig(libtiff-4), giflib-devel, pkgconfig(zlib), perl-devel >= 5.8.1
@@ -335,6 +340,9 @@ rm PerlMagick/demo/Generic.ttf
 %doc PerlMagick/demo/ PerlMagick/Changelog PerlMagick/README.txt
 
 %changelog
+* Tue Mar 14 2023 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1:6.9.12.77-2
+- Backport upstream fix for GetPageGeometry misbehavior (bug 2177631)
+
 * Tue Feb 14 2023 Sérgio Basto <sergio@serjux.com> - 1:6.9.12.77-1
 - Update ImageMagick to 6.9.12.77
 

ImageMagick6-terminate-loop-on-sentinel.patch

@@ -0,0 +1,23 @@
+From 15c5b01124557ccca9a619bd435d91ecd73659d3 Mon Sep 17 00:00:00 2001
+From: Cristy <urban-warrior@imagemagick.org>
+Date: Mon, 13 Mar 2023 07:42:46 -0400
+Subject: [PATCH] terminate loop on page sentinel
+ (#https://github.com/ImageMagick/ImageMagick/issues/6158)
+
+---
+ magick/geometry.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/magick/geometry.c b/magick/geometry.c
+index 6af9a36957..4a0c24eed9 100644
+--- a/magick/geometry.c
++++ b/magick/geometry.c
+@@ -492,6 +492,8 @@ MagickExport char *GetPageGeometry(const char *page_geometry)
+     int
+       status;
+     
++    if (Pagesizes[i].extent == 0)
++      break;  /* sentinel */
+     status=LocaleNCompare(Pagesizes[i].name,page_geometry,Pagesizes[i].extent);
+     if (status == 0)
+       {