1#!/bin/sh 2# Ensure that rm -f nonexistent-file-on-read-only-fs succeeds. 3 4# Copyright (C) 2009-2023 Free Software Foundation, Inc. 5 6# This program is free software: you can redistribute it and/or modify 7# it under the terms of the GNU General Public License as published by 8# the Free Software Foundation, either version 3 of the License, or 9# (at your option) any later version. 10 11# This program is distributed in the hope that it will be useful, 12# but WITHOUT ANY WARRANTY; without even the implied warranty of 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14# GNU General Public License for more details. 15 16# You should have received a copy of the GNU General Public License 17# along with this program. If not, see <https://www.gnu.org/licenses/>. 18 19. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src 20print_ver_ rm 21require_root_ 22 23cwd=$(pwd) 24cleanup_() { cd /; umount "$cwd/mnt"; } 25 26skip=0 27# Create a file system, then mount it. 28dd if=/dev/zero of=blob bs=8192 count=200 > /dev/null 2>&1 \ 29 || skip=1 30mkdir mnt || skip=1 31mkfs -t ext2 -F blob \ 32 || skip_ "failed to create ext2 file system" 33 34mount -oloop blob mnt || skip=1 35echo test > mnt/f || skip=1 36test -s mnt/f || skip=1 37mount -o remount,loop,ro mnt || skip=1 38 39test $skip = 1 \ 40 && skip_ "insufficient mount/ext2 support" 41 42# Applying rm -f to a nonexistent file on a read-only file system must succeed. 43rm -f mnt/no-such > out 2>&1 || fail=1 44# It must produce no diagnostic. 45compare /dev/null out || fail=1 46 47# However, trying to remove an existing file must fail. 48rm -f mnt/f > out 2>&1 && fail=1 49# with a diagnostic. 50compare /dev/null out && fail=1 51 52Exit $fail 53