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#!/bin/sh
# Ensure that df -P is not affected by BLOCK_SIZE settings
# Copyright (C) 2007 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 <http://www.gnu.org/licenses/>.
if test "$VERBOSE" = yes; then
set -x
df --version
fi
. $srcdir/../envvar-check
. $srcdir/../lang-default
pwd=`pwd`
t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$
trap 'status=$?; cd "$pwd" && chmod -R u+rwx $t0 && rm -rf $t0 && exit $status' 0
trap '(exit $?); exit $?' 1 2 13 15
framework_failure=0
mkdir -p $tmp || framework_failure=1
cd $tmp || framework_failure=1
if test $framework_failure = 1; then
echo "$0: failure in testing framework" 1>&2
(exit 1); exit 1
fi
fail=0
df -P . > t1 || fail=1
BLOCK_SIZE=1M df -P . > t2 || fail=1
# Since disk utilization may be changing, compare only df's header line.
# That records the block size. E.g., for "1M", it would be:
# Filesystem 1048576-blocks Used Available Capacity Mounted on
# while for 1K, it would be
# Filesystem 1024-blocks Used Available Capacity Mounted on
head -n1 t1 > exp || fail=1
head -n1 t2 > out || fail=1
cmp out exp || fail=1
test $fail = 1 && diff out exp 2> /dev/null
(exit $fail); exit $fail
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