1#!/bin/sh 2# Test df's behavior for skipping the pseudo "rootfs" file system. 3 4# Copyright (C) 2012-2023 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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src 20print_ver_ df 21 22# Protect against inaccessible remote mounts etc. 23timeout 10 df || skip_ "df fails" 24 25# Verify that rootfs is in mtab (and shown when the -a option is specified). 26# Note this is the case when /proc/self/mountinfo is parsed 27# rather than /proc/mounts. I.e., when libmount is being used. 28df -a >out || fail=1 29grep '^rootfs' out || skip_ 'no rootfs in mtab' 30 31# Ensure that rootfs is suppressed when no options is specified. 32df >out || fail=1 33grep '^rootfs' out && { fail=1; cat out; } 34 35# Ensure that rootfs is yet skipped when explicitly specifying "-t rootfs". 36# As df emits "no file systems processed" in this case, it would be a failure 37# if df exited with status Zero. 38returns_ 1 df -t rootfs >out || fail=1 39grep '^rootfs' out && { fail=1; cat out; } 40 41# Ensure that the rootfs is shown when explicitly both specifying "-t rootfs" 42# and the -a option. 43df -t rootfs -a >out || fail=1 44grep '^rootfs' out || { fail=1; cat out; } 45 46# Ensure that the rootfs is omitted in all_fs mode when it is explicitly 47# black-listed. 48df -a -x rootfs >out || fail=1 49grep '^rootfs' out && { fail=1; cat out; } 50 51test "$fail" = 1 && dump_mount_list_ 52 53Exit $fail 54