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#!/bin/sh
# Ensure that df exits non-Zero and writes an error message when
# --total is used but no file system has been processed.
# Copyright (C) 2012-2022 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/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ df
require_mount_list_
cat <<\EOF > exp || framework_failure_
df: no file systems processed
EOF
# Check we exit with non-Zero.
# Note we don't check when the file system can't be determined
# as -t filtering is not applied in that case.
if test "$(df --output=fstype . | tail -n1)" != '-'; then
df -t _non_existent_fstype_ --total . 2>out && fail=1
compare exp out || fail=1
fi
cat <<\EOF > exp || framework_failure_
df: _does_not_exist_: No such file or directory
EOF
# Ensure that df writes the error message also in the following case.
df --total _does_not_exist_ 2>out && fail=1
compare exp out || fail=1
Exit $fail
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