From e1908ae95dd4c9d19ee4dfabfc8bf8a7f85943fe Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 18:58:41 +0200 Subject: Adding upstream version 9.4. Signed-off-by: Daniel Baumann --- tests/df/df-symlink.sh | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100755 tests/df/df-symlink.sh (limited to 'tests/df/df-symlink.sh') diff --git a/tests/df/df-symlink.sh b/tests/df/df-symlink.sh new file mode 100755 index 0000000..1b24429 --- /dev/null +++ b/tests/df/df-symlink.sh @@ -0,0 +1,48 @@ +#!/bin/sh +# Ensure that df dereferences symlinks to file system nodes + +# Copyright (C) 2013-2023 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 . + +. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src +print_ver_ df + +file_system=$(df --out=source '.' | tail -n1) || + skip_ "cannot determine '.' file system" + +ln -s "$file_system" symlink || framework_failure_ + +df --out=source,target "$file_system" > exp || + skip_ "cannot get info for $file_system" +df --out=source,target symlink > out || fail=1 +compare exp out || fail=1 + +# Ensure we output the same values for device nodes and '.' +# This was not the case in coreutils-8.22 on systems +# where the device in the mount list was a symlink itself. +# I.e., '.' => /dev/mapper/fedora-home -> /dev/dm-2 +# Restrict this test to systems with a 1:1 mapping between +# source and target. This excludes for example BTRFS sub-volumes. +if test "$(df --output=source | grep -F "$file_system" | wc -l)" = 1; then + # Restrict to systems with a single file system root (and have findmnt(1)) + if test "$(findmnt -nro FSROOT | uniq | wc -l)" = 1; then + df --out=source,target '.' > out || fail=1 + compare exp out || fail=1 + fi +fi + +test "$fail" = 1 && dump_mount_list_ + +Exit $fail -- cgit v1.2.3