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#!/bin/sh
# make sure ls -L always follows symlinks
# Copyright (C) 2000, 2002, 2004, 2006, 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
if test "$VERBOSE" = yes; then
set -x
ls --version
fi
pwd=`pwd`
tmp=follow-sl.$$
trap 'status=$?; cd "$pwd" && rm -rf $tmp && exit $status' 0
trap '(exit $?); exit' 1 2 13 15
framework_failure=0
mkdir $tmp || framework_failure=1
cd $tmp || framework_failure=1
# Isolate output files from directory being listed
mkdir dir dir/sub dir1 || framework_failure=1
cd dir || framework_failure=1
ln -s link link || framework_failure=1
ln -s ../../dir1 sub/link-to-dir || framework_failure=1
# Make sure the symlink was created.
# `ln -s link link' succeeds, but creates no file on
# systems running some DJGPP-2.03 libc.
ls -F link > /dev/null || framework_failure=1
if test $framework_failure = 1; then
echo 'failure in testing framework'
(exit 1); exit 1
fi
fail=0
# When explicitly listing a broken link, the command must fail.
ls -L link 2> /dev/null && fail=1
# When encountering a broken link implicitly, Solaris 9 and OpenBSD 3.4
# list the link, provided no further information about the link needed
# to be printed. Since POSIX does not specify one way or the other, we
# opt for compatibility (this was broken in 5.3.0 through 5.94).
LC_ALL=C ls -L > ../out-L || fail=1
LC_ALL=C ls -FLR sub > ../out-FLR-sub || fail=1
cd .. || fail=1
cat <<\EOF > exp-L
link
sub
EOF
cat <<\EOF > exp-FLR-sub
sub:
link-to-dir/
sub/link-to-dir:
EOF
cmp out-L exp-L || {
fail=1
diff out-L exp-L
}
cmp out-FLR-sub exp-FLR-sub || {
fail=1
diff out-FLR-sub exp-FLR-sub
}
(exit $fail); exit $fail
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