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#!/bin/sh
# Miscellaneous tests for "ln".
# Copyright (C) 1998-2000, 2004, 2006-2010 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/>.
. "${srcdir=.}/init.sh"; path_prepend_ ../src
print_ver_ ln
t=tln-symlink
d=tln-subdir
ld=tln-symlink-to-subdir
f=tln-file
# Create a simple symlink with both source and destination files
# in current directory.
touch $f || framework_failure
rm -f $t || framework_failure
ln -s $f $t || fail=1
test -f $t || fail=1
rm $t $f
# Create a symlink with source file and explicit destination directory/file.
touch $f || framework_failure
rm -rf $d || framework_failure
mkdir $d || framework_failure
ln -s ../$f $d/$t || fail=1
test -f $d/$t || fail=1
rm -rf $d $f
# Create a symlink with source file and destination directory.
touch $f || framework_failure
rm -rf $d || framework_failure
mkdir $d || framework_failure
ln -s ../$f $d || fail=1
test -f $d/$f || fail=1
rm -rf $d $f
# See whether a trailing slash is followed too far.
touch $f || framework_failure
rm -rf $d || framework_failure
mkdir $d $d/$f || framework_failure
ln $f $d/ 2> /dev/null && fail=1
ln -s $f $d/ 2> /dev/null && fail=1
rm -rf $d $f
# Make sure we get a failure with existing dest without -f option
touch $t || framework_failure
# FIXME: don't ignore the error message but rather test
# it to make sure it's the right one.
ln -s $t $t 2> /dev/null && fail=1
rm $t
# Make sure -sf fails when src and dest are the same
touch $t || framework_failure
ln -sf $t $t 2> /dev/null && fail=1
rm $t
# Create a symlink with source file and no explicit directory
rm -rf $d || framework_failure
mkdir $d || framework_failure
touch $d/$f || framework_failure
ln -s $d/$f || fail=1
test -f $f || fail=1
rm -rf $d $f
# Create a symlink with source file and destination symlink-to-directory.
rm -rf $d $f $ld || framework_failure
touch $f || framework_failure
mkdir $d || framework_failure
ln -s $d $ld
ln -s ../$f $ld || fail=1
test -f $d/$f || fail=1
rm -rf $d $f $ld
# Create a symlink with source file and destination symlink-to-directory.
# BUT use the new --no-dereference option.
rm -rf $d $f $ld || framework_failure
touch $f || framework_failure
mkdir $d || framework_failure
ln -s $d $ld
af=`pwd`/$f
ln --no-dereference -fs "$af" $ld || fail=1
test -f $ld || fail=1
rm -rf $d $f $ld
# Try to create a symlink with backup where the destination file exists
# and the backup file name is a hard link to the destination file.
touch a b || framework_failure
ln b b~ || framework_failure
ln -f --b=simple a b || fail=1
# ===================================================
# Make sure ln can make simple backups.
# This was fixed in 4.0.34. Broken in 4.0r.
for cmd in ln cp mv ginstall; do
rm -rf a x a.orig
touch a x || framework_failure
$cmd --backup=simple --suffix=.orig x a || fail=1
test -f a.orig || fail=1
done
# ===================================================
# With coreutils-5.2.1, this would mistakenly access argv[1][-1].
# I'm including it here, in case some day programs like valgrind detect that.
# Purify probably would have done so.
ln foo '' 2> /dev/null
# ===================================================
Exit $fail
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