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#!/bin/sh
# FIXME: convert this to a root-only test.
# Copyright (C) 2005-2022 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 <https://www.gnu.org/licenses/>.
# Test for the 2005-10-13 patch to lib/mkdir-p.c that fixed this sort
# of bug in mkdir:
#
# "mkdir -p /a/b/c" no longer fails merely because a leading prefix
# directory (e.g., /a or /a/b) exists on a read-only file system.
#
# Demonstrate the problem, as root:
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ mkdir
require_root_
# FIXME: for now, skip it unconditionally
skip_ temporarily disabled
# FIXME: define cleanup_ to do the umount
# FIXME: use mktemp
cd /tmp \
&& dd if=/dev/zero of=1 bs=8192 count=50 \
&& dd if=/dev/zero of=2 bs=8192 count=50 \
&& mkdir -p mnt-ro && mkfs -t ext2 1 && mkfs -t ext2 2 \
&& mount -o loop=/dev/loop3 1 mnt-ro \
&& mkdir -p mnt-ro/rw \
&& mount -o remount,ro mnt-ro \
&& mount -o loop=/dev/loop4 2 mnt-ro/rw
mkdir -p mnt-ro/rw/sub || fail=1
# To clean up
umount /tmp/2
umount /tmp/1
Exit $fail
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