From b28244abe58382be980d9b9577276c0700dd2cbc Mon Sep 17 00:00:00 2001
From: Noah Misch <noah@leadboat.com>
Date: Wed, 8 Jul 2015 20:44:21 -0400
Subject: [PATCH] Replace use of "diff -q".

POSIX does not specify the -q option, and many implementations do not
offer it.  Don't bother changing the MSVC build system, because having
non-GNU diff on Windows is vanishingly unlikely.  Back-patch to 9.2,
where this invocation was introduced.
---
 src/bin/pg_upgrade/test.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/bin/pg_upgrade/test.sh b/src/bin/pg_upgrade/test.sh
index 07002f6a165..f4e5d9ae6e9 100644
--- a/src/bin/pg_upgrade/test.sh
+++ b/src/bin/pg_upgrade/test.sh
@@ -216,10 +216,11 @@ case $testhost in
 	*)	    sh ./delete_old_cluster.sh ;;
 esac
 
-if diff -q "$temp_root"/dump1.sql "$temp_root"/dump2.sql; then
+if diff "$temp_root"/dump1.sql "$temp_root"/dump2.sql >/dev/null; then
 	echo PASSED
 	exit 0
 else
+	echo "Files $temp_root/dump1.sql and $temp_root/dump2.sql differ"
 	echo "dumps were not identical"
 	exit 1
 fi
-- 
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