[bug#38400] [PATCH] gnu: feh: Adapt tests for imlib2 1.6.

[Pierre Langlois <pierre.langlois@gmx.com>]

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Hello Guix!

Since we updated imlib2 to version 1.6 the feh test suite was failing,
however it looks harmless. The output expectation just needs tweaking a
little.

I've reported it upstream https://github.com/derf/feh/issues/497 but in
the meantime, here's a patch for downstream! I don't think such a patch
is suitable upstream as it would mean the tests would fail on previous
versions of imlib2.


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From 1355d070a0d6dbe598e7feb4457da6ea988921e8 Mon Sep 17 00:00:00 2001
From: Pierre Langlois <pierre.langlois@gmx.com>
Date: Wed, 27 Nov 2019 10:40:56 +0000
Subject: [PATCH] gnu: feh: Adapt tests for imlib2 1.6.

* gnu/packages/patches/feh-fix-tests-for-imlib2-1.6.patch: New file.
* gnu/packages/image-viewers.scm (feh)[source]: Use it.
* gnu/local.mk (dist_patch_DATA): Add it.
---
 gnu/local.mk                                  |  1 +
 gnu/packages/image-viewers.scm                |  5 +-
 .../feh-fix-tests-for-imlib2-1.6.patch        | 51 +++++++++++++++++++
 3 files changed, 56 insertions(+), 1 deletion(-)
 create mode 100644 gnu/packages/patches/feh-fix-tests-for-imlib2-1.6.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 0129e42944..082465a24a 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -826,6 +826,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/fbreader-curl-7.62.patch		\
   %D%/packages/patches/fcgi-2.4.0-gcc44-fixes.patch		\
   %D%/packages/patches/fcgi-2.4.0-poll.patch			\
+  %D%/packages/patches/feh-fix-tests-for-imlib2-1.6.patch	\
   %D%/packages/patches/fifo-map-fix-flags-for-gcc.patch		\
   %D%/packages/patches/fifo-map-remove-catch.hpp.patch		\
   %D%/packages/patches/file-CVE-2018-10360.patch		\
diff --git a/gnu/packages/image-viewers.scm b/gnu/packages/image-viewers.scm
index d237a27c4a..c0300f5087 100644
--- a/gnu/packages/image-viewers.scm
+++ b/gnu/packages/image-viewers.scm
@@ -11,6 +11,7 @@
 ;;; Copyright © 2018, 2019 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2019 Nicolas Goaziou <mail@nicolasgoaziou.fr>
 ;;; Copyright © 2019 Guy Fleury Iteriteka <hoonandon@gmail.com>
+;;; Copyright © 2019 Pierre Langlois <pierre.langlois@gmx.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -72,7 +73,9 @@
                                   name "-" version ".tar.bz2"))
               (sha256
                (base32
-                "070axq8jpibcabmjfv4fmjmpk3k349vzvh4qhsi4n62bkcwl35wg"))))
+                "070axq8jpibcabmjfv4fmjmpk3k349vzvh4qhsi4n62bkcwl35wg"))
+              (patches
+               (search-patches "feh-fix-tests-for-imlib2-1.6.patch"))))
     (build-system gnu-build-system)
     (arguments
      '(#:phases (modify-phases %standard-phases (delete 'configure))
diff --git a/gnu/packages/patches/feh-fix-tests-for-imlib2-1.6.patch b/gnu/packages/patches/feh-fix-tests-for-imlib2-1.6.patch
new file mode 100644
index 0000000000..a91906dbe9
--- /dev/null
+++ b/gnu/packages/patches/feh-fix-tests-for-imlib2-1.6.patch
@@ -0,0 +1,51 @@
+commit 8048fb542d0c36f868760ba1590fbe14a3a85df7
+Author: Pierre Langlois <pierre.langlois@gmx.com>
+Date:   Wed Nov 27 10:42:05 2019 +0000
+
+    Adapt tests for imlib2 1.6
+    
+    Reported upstream on https://github.com/derf/feh/issues/497
+
+diff --git a/test/list/custom b/test/list/custom
+index dbe2074..40ac557 100644
+--- a/test/list/custom
++++ b/test/list/custom
+@@ -1,4 +1,4 @@
+ test/ok/gif; 16; 4; list; gif; 256; 953; gif; 1; 16
+-test/ok/jpg; 16; 4; list; jpg; 256; 354; jpeg; 2; 16
++test/ok/jpg; 16; 4; list; jpg; 256; 354; jpg; 2; 16
+ test/ok/png; 16; 4; list; png; 256; 403; png; 3; 16
+ test/ok/pnm; 16; 4; list; pnm; 256; 269; pnm; 4; 16
+diff --git a/test/list/default b/test/list/default
+index bc0ef52..e480db3 100644
+--- a/test/list/default
++++ b/test/list/default
+@@ -1,5 +1,5 @@
+ NUM	FORMAT	WIDTH	HEIGHT	PIXELS	SIZE	ALPHA	FILENAME
+ 1	gif	16	16	256 	953 	-	test/ok/gif
+-2	jpeg	16	16	256 	354 	-	test/ok/jpg
++2	jpg	16	16	256 	354 	-	test/ok/jpg
+ 3	png	16	16	256 	403 	X	test/ok/png
+ 4	pnm	16	16	256 	269 	-	test/ok/pnm
+diff --git a/test/list/format_reverse b/test/list/format_reverse
+index 9216184..3301f78 100644
+--- a/test/list/format_reverse
++++ b/test/list/format_reverse
+@@ -1,5 +1,5 @@
+ NUM	FORMAT	WIDTH	HEIGHT	PIXELS	SIZE	ALPHA	FILENAME
+ 1	pnm	16	16	256 	269 	-	test/ok/pnm
+ 2	png	16	16	256 	403 	X	test/ok/png
+-3	jpeg	16	16	256 	354 	-	test/ok/jpg
++3	jpg	16	16	256 	354 	-	test/ok/jpg
+ 4	gif	16	16	256 	953 	-	test/ok/gif
+diff --git a/test/list/size b/test/list/size
+index cad60b0..7716239 100644
+--- a/test/list/size
++++ b/test/list/size
+@@ -1,5 +1,5 @@
+ NUM	FORMAT	WIDTH	HEIGHT	PIXELS	SIZE	ALPHA	FILENAME
+ 1	pnm	16	16	256 	269 	-	test/ok/pnm
+-2	jpeg	16	16	256 	354 	-	test/ok/jpg
++2	jpg	16	16	256 	354 	-	test/ok/jpg
+ 3	png	16	16	256 	403 	X	test/ok/png
+ 4	gif	16	16	256 	953 	-	test/ok/gif
-- 
2.24.0


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Thanks,
Pierre