1#!/bin/sh
2# FIXME: convert this to a root-only test.
3
4# Copyright (C) 2005-2023 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# Test for the 2005-10-13 patch to lib/mkdir-p.c that fixed this sort
20# of bug in mkdir:
21#
22#   "mkdir -p /a/b/c" no longer fails merely because a leading prefix
23#   directory (e.g., /a or /a/b) exists on a read-only file system.
24#
25# Demonstrate the problem, as root:
26
27. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
28print_ver_ mkdir
29require_root_
30
31# FIXME: for now, skip it unconditionally
32skip_ temporarily disabled
33
34# FIXME: define cleanup_ to do the umount
35
36# FIXME: use mktemp
37cd /tmp                                    \
38  && dd if=/dev/zero of=1 bs=8192 count=50 \
39  && dd if=/dev/zero of=2 bs=8192 count=50 \
40  && mkdir -p mnt-ro && mkfs -t ext2 1 && mkfs -t ext2 2 \
41  && mount -o loop=/dev/loop3 1 mnt-ro    \
42  && mkdir -p mnt-ro/rw                    \
43  && mount -o remount,ro mnt-ro           \
44  && mount -o loop=/dev/loop4 2 mnt-ro/rw
45
46mkdir -p mnt-ro/rw/sub || fail=1
47
48# To clean up
49umount /tmp/2
50umount /tmp/1
51
52Exit $fail
53