commit c3f47a7d857ee053b8b2c7c5de40b8ab9cb6bae7
Author: Anton A. Melnikov <a.melnikov@postgrespro.ru>
Date:   Sat Jun 4 12:49:55 2022 +0300

    Fix test for pg_upgrade from 10x versions.

diff --git a/src/bin/pg_upgrade/test.sh b/src/bin/pg_upgrade/test.sh
index d4c4320a04..cc710633fb 100644
--- a/src/bin/pg_upgrade/test.sh
+++ b/src/bin/pg_upgrade/test.sh
@@ -23,7 +23,14 @@ standard_initdb() {
 	# To increase coverage of non-standard segment size and group access
 	# without increasing test runtime, run these tests with a custom setting.
 	# Also, specify "-A trust" explicitly to suppress initdb's warning.
-	"$1" -N --wal-segsize 1 -g -A trust
+	# --allow-group-access and --wal-segsize have been added in v11.
+	initdbopt="-N -A trust"
+	if [ $OLD_PG_VERSION_NUM -ge 110000 ]; then
+		initdbopt="$initdbopt --wal-segsize 1 --allow-group-access"
+	fi
+
+	"$1" $initdbopt
+
 	if [ -n "$TEMP_CONFIG" -a -r "$TEMP_CONFIG" ]
 	then
 		cat "$TEMP_CONFIG" >> "$PGDATA/postgresql.conf"
@@ -145,6 +152,7 @@ PGHOSTADDR="";        unset PGHOSTADDR
 
 # Select a non-conflicting port number, similarly to pg_regress.c
 PG_VERSION_NUM=`grep '#define PG_VERSION_NUM' "$newsrc"/src/include/pg_config.h | awk '{print $3}'`
+OLD_PG_VERSION_NUM=`grep '#define PG_VERSION_NUM' "$oldsrc"/src/include/pg_config.h | awk '{print $3}'`
 PGPORT=`expr $PG_VERSION_NUM % 16384 + 49152`
 export PGPORT
 
@@ -237,18 +245,26 @@ pg_upgrade $PG_UPGRADE_OPTS -d "${PGDATA}.old" -D "$PGDATA" -b "$oldbindir" -B "
 
 # make sure all directories and files have group permissions, on Unix hosts
 # Windows hosts don't support Unix-y permissions.
+if [ $OLD_PG_VERSION_NUM -lt 110000 ]; then
+	NEW_DIR_PERM=700
+	NEW_FILE_PERM=600
+else
+	NEW_DIR_PERM=750
+	NEW_FILE_PERM=640
+fi
+
 case $testhost in
 	MINGW*) ;;
-	*)	if [ `find "$PGDATA" -type f ! -perm 640 | wc -l` -ne 0 ]; then
-			echo "files in PGDATA with permission != 640";
+	*)	if [ `find "$PGDATA" -type f ! -perm $NEW_FILE_PERM | wc -l` -ne 0 ]; then
+			echo "files in PGDATA with permission != $NEW_FILE_PERM";
 			exit 1;
 		fi ;;
 esac
 
 case $testhost in
 	MINGW*) ;;
-	*)	if [ `find "$PGDATA" -type d ! -perm 750 | wc -l` -ne 0 ]; then
-			echo "directories in PGDATA with permission != 750";
+	*)	if [ `find "$PGDATA" -type d ! -perm $NEW_DIR_PERM | wc -l` -ne 0 ]; then
+			echo "directories in PGDATA with permission != $NEW_DIR_PERM";
 			exit 1;
 		fi ;;
 esac