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coreutils/tests/rm/read-only
Jim Meyering 1aa17dc89b maint: update all FSF copyright year lists to include 2010
Use this command:
git ls-files | grep -v COPYING \
  | xargs env UPDATE_COPYRIGHT_USE_INTERVALS=1 \
      build-aux/update-copyright
2010-01-01 14:06:47 +01:00

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#!/bin/sh
# Ensure that rm -f nonexistent-file-on-read-only-fs succeeds.
# Copyright (C) 2009-2010 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
if test "$VERBOSE" = yes; then
set -x
rm --version
fi
. $srcdir/test-lib.sh
require_root_
cwd=`pwd`
cleanup_() { cd /; umount "$cwd/mnt"; }
skip=0
# Create a file system, then mount it.
dd if=/dev/zero of=blob bs=8192 count=200 > /dev/null 2>&1 \
|| skip=1
mkdir mnt || skip=1
mkfs -t ext2 -F blob \
|| skip_test_ "failed to create ext2 file system"
mount -oloop blob mnt || skip=1
echo test > mnt/f || skip=1
test -s mnt/f || skip=1
mount -o remount,loop,ro mnt || skip=1
test $skip = 1 \
&& skip_test_ "insufficient mount/ext2 support"
# Applying rm -f to a nonexistent file on a read-only file system must succeed.
rm -f mnt/no-such > out 2>&1 || fail=1
# It must produce no diagnostic.
test -s out && fail=1
# However, trying to remove an existing file must fail.
rm -f mnt/f > out 2>&1 && fail=1
# with a diagnostic.
test -s out || fail=1
Exit $fail