From 8c4882550ea13303e99348d642aff3a211d2045f Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sat, 20 Nov 1999 10:46:06 +0000
Subject: Run `diff -u' if the test fails.

---
 tests/cp/cp-mv-backup | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'tests/cp/cp-mv-backup')

diff --git a/tests/cp/cp-mv-backup b/tests/cp/cp-mv-backup
index 1bad6de20..aaddaa25c 100755
--- a/tests/cp/cp-mv-backup
+++ b/tests/cp/cp-mv-backup
@@ -91,9 +91,9 @@ EOF
 
 sed 's/: x/:/' $expected-tmp |cat $expected-tmp - > $expected
 
-# Uncomment this if you see a failure and want to try to diagnose it.
-#diff -u $expected $actual 1>&2
-
 cmp $expected $actual || fail=1
 
+# Uncomment this if you see a failure and want to try to diagnose it.
+test $fail = 1 && diff -u $expected $actual 1>&2
+
 exit $fail
-- 
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