xfstests: Convert all tests to use /bin/bash

While most tests use /bin/sh, they are dependent on /bin/sh being a
bash shell.  Convert all the tests to execute via /bin/bash as it is
much, much simpler than trying to debug and remove all the bashisms
throughout the test code.

Signed-off-by: Dave Chinner <david@fromorbit.com>
Reviewed-by: Eric Sandeen <sandeen@sandeen.net>

128

@@ -1,4 +1,4 @@
-#! /bin/sh
+#! /bin/bash
 # FSQA Test No. 128
 #
 # Test nosuid mount option modified from CXFSQA test mount_option_nosuid
@@ -58,7 +58,7 @@ cp `which ls` $SCRATCH_MNT
 chmod 700 $SCRATCH_MNT/nosuid
 chmod 4755 $SCRATCH_MNT/ls
 
-su -s/bin/sh - $qa_user -c "$SCRATCH_MNT/ls $SCRATCH_MNT/nosuid >/dev/null 2>&1"
+su -s/bin/bash - $qa_user -c "$SCRATCH_MNT/ls $SCRATCH_MNT/nosuid >/dev/null 2>&1"
 if [ $? -eq 0 ] ; then
 	echo "Error: we shouldn't be able to ls the directory"
 fi