From a7cdfdf022a66ef76d944cc3a03904a8e53f7e81 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sat, 24 Oct 1998 20:09:46 +0000
Subject: [PATCH] Fix pg_upgrade to notice if psql fails to execute the given
 script, and not proceed with the update if so. Also add #!/bin/sh header
 line.

---
 src/bin/pg_dump/pg_upgrade | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/bin/pg_dump/pg_upgrade b/src/bin/pg_dump/pg_upgrade
index f9f062520a..26e905bc22 100755
--- a/src/bin/pg_dump/pg_upgrade
+++ b/src/bin/pg_dump/pg_upgrade
@@ -1,4 +1,8 @@
-:
+#!/bin/sh
+#
+# pg_upgrade: update a database without needing a full dump/reload cycle
+# CAUTION: read the manual page before trying to use this!
+
 trap "rm -f /tmp/$$" 0 1 2 3 15
 
 if [ "$#" -eq 0 ]
@@ -67,6 +71,11 @@ cat $INPUT | awk '	{
 
 psql "template1" <"/tmp/$$"
 
+if [ $? -ne 0 ]
+then	echo "psql failed to execute $INPUT script." 1>&2
+	exit 1
+fi
+
 for DIR in data/base/*
 do
 	BASEDIR="`basename $DIR`"
@@ -86,4 +95,4 @@ done
 mv $OLDDIR/pg_log data
 mv $OLDDIR/pg_variable data
 
-echo "You may removed the $OLDDIR directory with 'rm -r $OLDDIR'."
+echo "You may remove the $OLDDIR directory with 'rm -r $OLDDIR'."