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#!/bin/sh
# Compare actual numbers from du, assuming block size matches mine.
if test "$VERBOSE" = yes; then
set -x
du --version
fi
# DU_BLOCK_SIZE could cause problems
. $srcdir/../envvar-check
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
mkdir -p a/b d d/sub || framework_failure=1
printf 'make-sure-the-file-is-non-empty\n' > a/b/c || framework_failure=1
echo nonempty-file > d/1
echo nonempty-file > d/sub/1
if test $framework_failure = 1; then
echo "$0: failure in testing framework" 1>&2
(exit 1); exit 1
fi
# Ensure that blocksize and block-count are what we expect for directories.
if test "`stat --format=%bx%B a`" != 8x512; then
echo "$0: different block count/size, so skipping this test" 1>&2
(exit 77); exit 77
fi
# Ensure that blocksize and block-count are what we expect for files.
if test "`stat --format=%bx%B d/1`" != 8x512; then
echo "$0: different block count/size, so skipping this test" 1>&2
(exit 77); exit 77
fi
fail=0
du -a a > out || fail=1
echo === >> out
du -a -S a >> out || fail=1
echo === >> out
du -s a >> out || fail=1
cat <<\EOF > exp
4 a/b/c
8 a/b
12 a
===
4 a/b/c
4 a/b
4 a
===
12 a
EOF
cmp out exp || fail=1
test $fail = 1 && diff out exp 2> /dev/null
rm -f out exp
du -S d > out || fail=1
cat <<\EOF > exp
8 d/sub
8 d
EOF
cmp out exp || fail=1
test $fail = 1 && diff out exp 2> /dev/null
(exit $fail); exit $fail
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