#!/bin/sh # Miscellaneous tests for "ln". # Copyright (C) 1998-2018 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 . . "${srcdir=.}/tests/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_ returns_ 1 ln $f $d/ 2> /dev/null || fail=1 returns_ 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. returns_ 1 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_ returns_ 1 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