#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
#
# FS QA Test No. 065
#
# Testing incremental dumps and cumulative restores with
# "adding, deleting, renaming, linking, and unlinking files and
#  directories".
# Do different operations for each level.
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

_cleanup()
{
	_cleanup_dump
	cd /
	rm -f $tmp.*
}

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

#
# list recursively the directory
#
# e.g. lstat output: src/lstat64 31056 -rwxr-xr-x 38403,0
# Don't print out sizes of directories - which can vary - overwrite with XXX.
#
_list_dir()
{
    __dir=$1
    find $__dir  -exec $here/src/lstat64 -t {} \; |\
    sed -e 's/.*dumpdir/dumpdir/' -e '/^dumpdir /d' |\
    sed -e 's/.*restoredir/restoredir/' -e '/^restoredir /d' |\
    egrep -v 'housekeeping|dirattr|dirextattr|namreg|state|tree' |\
    awk '$3 ~ /^d/ { $2 = "XXX" } {print}' |\
    LC_COLLATE=POSIX sort
} 

# real QA test starts here
_supported_fs xfs
_require_scratch

#
# too much hassle to get output matching with quotas turned on
# so don't run it
#
_scratch_mkfs_xfs >> $seqres.full
_qmount_option noquota
_scratch_mount
$here/src/feature -U $SCRATCH_DEV && \
	_notrun "UQuota enabled, test needs controlled xfsdump output"
$here/src/feature -G $SCRATCH_DEV && \
	_notrun "GQuota enabled, test needs controlled xfsdump output"
$here/src/feature -P $SCRATCH_DEV && \
	_notrun "PQuota enabled, test needs controlled xfsdump output"
_scratch_unmount

#
# adding      - touch/echo, mkdir
# deleting    - rm, rmdir
# renaming    - mv
# linking     - ln
# unlinking   - rm
# files and directories
#

_wipe_fs
mkdir -p $dump_dir || _fail "cannot mkdir \"$dump_dir\""
cd $dump_dir

echo "Do the incremental dumps"
i=0
num_dumps=8 # do some extra to ensure nothing changes
while [ $i -le $num_dumps ]; do
    cd $dump_dir
    case $i in
	0)
	    # adding
	    echo 'add0' >addedfile0
	    echo 'add1' >addedfile1
	    echo 'add2' >addedfile2
	    echo 'add3' >addedfile3
	    mkdir addeddir1
	    mkdir addeddir2
	    mkdir addeddir3
	    mkdir addeddir4
	    echo 'add4' >addeddir3/addedfile4
	    echo 'add5' >addeddir4/addedfile5
	    ;;
	1)
	    # deleting
	    rm addedfile2
	    rmdir addeddir2
	    rm -rf addeddir3
	    ;;
	2)
	    # renaming
	    mv addedfile1 addedfile2 # rename to previous existing file
	    mv addeddir4/addedfile5 addeddir4/addedfile4
	    mv addeddir4 addeddir6
	    mv addeddir1 addeddir2 # rename to previous existing dir
	    ;;
	3)
	    # linking
	    ln addedfile0 linkfile0
	    ln addedfile0 linkfile0_1  # have a 2nd link to file
	    ln addedfile2 linkfile2
	    ln addeddir6/addedfile4 linkfile64
	    ;;
	4)
	    # unlinking
	    rm linkfile0  # remove a link
	    rm addedfile2 # remove original link
	    rm linkfile64  # remove link
	    rm addeddir6/addedfile4 # remove last link
	    ;;
	5)  # link first - then onto 6)
	    rm -rf *
	    echo 'add6' >addedfile6
	    ln addedfile6 linkfile6_1
	    ln addedfile6 linkfile6_2
	    ln addedfile6 linkfile6_3
	    ;;
	6)  # then move the inode that the links point to
      	    mv addedfile6 addedfile6_mv
	    rm linkfile6_1
	    rm linkfile6_2
	    rm linkfile6_3
	    ln addedfile6_mv linkfile6_mv_1
	    ln addedfile6_mv linkfile6_mv_2
	    ln addedfile6_mv linkfile6_mv_3
	    ;;
    esac
    cd $here
    sleep 2
    _stable_fs

    echo "Listing of what files we have at level $i:"
    _list_dir $dump_dir	| tee $tmp.ls.$i

    _do_dump_file -f $tmp.df.level$i -l $i
    let i=$i+1
done

echo "Look at what files are contained in the inc. dump"
i=0
while [ $i -le $num_dumps ]; do
    echo ""
    echo "restoring from df.level$i"
    _do_restore_toc -f $tmp.df.level$i
    let i=$i+1
done

echo "Do the cumulative restores"
_prepare_restore_dir
i=0
while [ $i -le $num_dumps ]; do
    echo ""
    echo "restoring from df.level$i"
    _do_restore_file_cum -f $tmp.df.level$i
    echo "list restore_dir"
    _list_dir $restore_dir | _check_quota_file | tee $tmp.restorals.$i
    let i=$i+1
done

echo ""
echo "Do the ls comparison"
i=0
while [ $i -le $num_dumps ]; do
    echo "Comparing ls of FS with restored FS at level $i"
    diff -s $tmp.ls.$i $tmp.restorals.$i | sed "s#$tmp#TMP#g"
    echo ""
    let i=$i+1
done

# success, all done
status=0
exit