[bug#70344] Increase verbosity of diffoscope test suite

[Vagrant Cascadian]

The attached patch increases the verbosity of the test suite, showing
each test on it's own line and provides a useful summary, often
including a reason why skipped tests were skipped.

This can be useful to help find additional packages to add for broader
test coverage, inspired by discussion in
https://issues.guix.gnu.org/70293

This also reveals that the conditional to add "enjarify" to
native-inputs on x86_64 is not working correctly... and plausibly could
reveal other similar issues with other missing native-inputs.

live well,
  vagrant

From b1475226dc655986e97445dca889d4b0c362215c Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagrant@reproducible-builds.org>
Date: Thu, 11 Apr 2024 12:40:19 -0700
Subject: [PATCH] gnu: diffoscope: Increase test verbosity.

* gnu/packages/diffoscope.scm (diffoscope)[phases]: Replace 'check.
---
 gnu/packages/diffoscope.scm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gnu/packages/diffoscope.scm b/gnu/packages/diffoscope.scm
index 3db52e5008..8106a6d258 100644
--- a/gnu/packages/diffoscope.scm
+++ b/gnu/packages/diffoscope.scm
@@ -139,6 +139,11 @@ (define (bin command)
             (lambda _
               ;; This requires /sbin to be in $PATH.
               (delete-file "tests/test_tools.py")))
+         (replace 'check
+           (lambda* (#:key tests? #:allow-other-keys)
+             (when tests?
+               ;; Increase verbosity of tests and provide a summary
+               (invoke "pytest" "-vv" "-r" "sxX"))))
           (add-after 'install 'install-man-page
             (lambda* (#:key outputs #:allow-other-keys)
               (let* ((out (assoc-ref outputs "out"))
-- 
2.39.2

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