Files
apfstests/tests/generic/035
T
Zhihao Cheng b7cecbea22 fstests: Add path $here before src/<file>
Calling src/<file> without path '$here' may cause the problem that
the file cannot be found.

For example, Running generic/192 with overlayfs(Let ubifs as base
fs) yields the following output:

  generic/192 - output mismatch
     QA output created by 192
     sleep for 5 seconds
     test
    +./common/rc: line 316: src/t_dir_type: No such file or directory
     delta1 is in range
     delta2 is in range
    ...

When the use case fails, the call stack in generic/192 is:

  local unknowns=$(src/t_dir_type $dir u | wc -l)	common/rc
  _supports_filetype					common/rc
  _overlay_mount					common/overlay
  _overlay_test_mount					common/overlay
  _test_mount						common/rc
  _test_cycle_mount					generic/192

Before _test_cycle_mount() being invoked, generic/192 executed 'cd
/' to change work dir from 'xfstests-dev' to '/', so src/t_dir_type
was not found.

[Eryu: some tests run src/<file> as regular user, don't add $here
prefix in such case, as a regular user may have no search permission
on $here]

Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
2019-10-23 23:12:42 +08:00

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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2014 Miklos Szeredi. All Rights Reserved.
#
# FS QA Test No. generic/035
#
# Check overwriting rename system call
#
seqfull=$0
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
status=1 # failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15
_cleanup()
{
cd /
rm -f $tmp.*
}
# get standard environment, filters and checks
. ./common/rc
_supported_fs generic
_supported_os Linux
_require_test
# Select appropriate golden output based on fstype
_link_out_file
# real QA test starts here
rename_dir=$TEST_DIR/$$
mkdir -p $rename_dir
echo "overwriting regular file:"
file1=$rename_dir/file1
file2=$rename_dir/file2
touch $file1
touch $file2
$here/src/t_rename_overwrite $file1 $file2
rm $file2
echo "overwriting directory:"
dir1=$rename_dir/dir1
dir2=$rename_dir/dir2
mkdir $dir1
mkdir $dir2
$here/src/t_rename_overwrite $dir1 $dir2
rmdir $dir2
rmdir $rename_dir
# success, all done
status=0
exit