#! /bin/sh
# XFS QA Test No. 032
# $Id: 1.1 $
#
# cross check mkfs detection of foreign filesystems
#
#-----------------------------------------------------------------------
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# Further, this software is distributed without any warranty that it is
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# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
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# with this program; if not, write the Free Software Foundation, Inc., 59
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# http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
#-----------------------------------------------------------------------
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# creator
owner=nathans@sgi.com

seq=`basename $0`
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!
trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
rm -f $seq.full

# get standard environment, filters and checks
. ./common.rc
. ./common.filter

# real QA test starts here
# 
_require_scratch

echo "Silence is golden."
for fs in `echo /sbin/mkfs.* | sed -e 's/.sbin.mkfs.//g'`
do
	preop=""	# for special input needs
	preargs=""	# for any special pre-device options
	postargs=""	# for any special post-device options

	# minix and msdos mkfs fails for large devices, restrict to 2000 blocks
	[ $fs = "minix" ] && postargs=2000
	[ $fs = "msdos" ] && postargs=2000
	# these folk prompt before writing
	[ $fs = "jfs" ] && preop="echo Y |"
	[ $fs = "reiserfs" ] && preop="echo y |"

	# overwite the first few Kb - should blow away superblocks
	src/devzero -n 20 $SCRATCH_DEV >/dev/null

	# create a filesystem of this type
	echo "=== Creating $fs filesystem..." >>$seq.full
	echo "    ( mkfs -t $fs $SCRATCH_DEV )" >>$seq.full
	eval $preop mkfs -t $fs $preargs $SCRATCH_DEV $postargs >>$seq.full 2>&1

	# next, ensure we don't overwrite it
	echo "=== Attempting XFS overwrite of $fs..." >>$seq.full
	/sbin/mkfs.xfs $SCRATCH_DEV >>$seq.full 2>&1

	[ $? -eq 0 ] && echo "Failed - overwrote fs type ${fs}!"
done

# success, all done
status=0
exit