From 0442568053b7dd6c69e765bd1aaf88725d0da6d2 Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Mon, 9 Sep 2019 23:54:20 +0200
Subject: [PATCH] test commands to compare usage output, prevent regeneration

Any corresponding *.sh is run for more complex tests, such as partial output
comparison for --usage results.  Does not have to be generated on -G, but
any existing files can be.
---
 t/regress.t         | 7 ++++---
 t/t0002-usage_-h.in | 0
 t/t0002-usage_-h.sh | 2 ++
 3 files changed, 6 insertions(+), 3 deletions(-)
 create mode 100644 t/t0002-usage_-h.in
 create mode 100755 t/t0002-usage_-h.sh

diff --git a/t/regress.t b/t/regress.t
index 1463ce3..f81cfd7 100755
--- a/t/regress.t
+++ b/t/regress.t
@@ -28,14 +28,15 @@ do
 
 	if test -n "$regenerate"
 	then
-		if test -e $file.out
+		if test -e $file.sh
 		then
-			echo "ok $test_count # skip existing $file.out"
+			echo "ok $test_count # skip $file.out"
 			continue
 		fi
 		$cmd >$file.out 2>&1
 	else
-		$cmd 2>&1 | $diffcmd "$file.out" -
+		if test -e $file.sh;  then $cmd 2>&1 | ./$file.sh; fi &&
+		if test -e $file.out; then $cmd 2>&1 | $diffcmd "$file.out" -; fi
 	fi
 
 	test 0 = $? || printf 'not '
diff --git a/t/t0002-usage_-h.in b/t/t0002-usage_-h.in
new file mode 100644
index 0000000..e69de29
diff --git a/t/t0002-usage_-h.sh b/t/t0002-usage_-h.sh
new file mode 100755
index 0000000..2f1d996
--- /dev/null
+++ b/t/t0002-usage_-h.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+grep -q Usage:
-- 
2.30.0