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#!/bin/sh
# Ensure that --dereference-args (-D) gives reasonable names.
# This test would fail for coreutils-5.0.91.
if test "$VERBOSE" = yes; then
set -x
du --version
fi
. $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 dir/a
ln -s dir slink
seq --format=%100g 900 | head --bytes=64k > 64k
ln -s 64k slink-to-64k
if test $framework_failure = 1; then
echo "$0: failure in testing framework" 1>&2
(exit 1); exit 1
fi
fail=0
du -D slink | sed 's/^[0-9][0-9]* //' > out
# Ensure that the trailing slash is preserved and handled properly.
du -D slink/ | sed 's/^[0-9][0-9]* //' >> out
# Ensure that -D makes du dereference even symlinks to non-directories.
# The sed command maps the 68 I get on an ext3 file system to the 64 I expected.
# On tmpfs, I get 64. Similarly, on SELinux-enabled systems, file security
# context labels take up file system space, making du print 72 here.
du -kD slink-to-64k | sed 's/^[67][0-9]/64/' >> out
cat <<\EOF > exp
slink/a
slink
slink/a
slink/
64 slink-to-64k
EOF
cmp out exp || fail=1
test $fail = 1 && diff out exp 2> /dev/null
(exit $fail); exit $fail
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