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|
#!/bin/sh
tmp=t2-ln.$$
if test "$VERBOSE" = yes; then
set -x
ln --version
fi
framework_failure=0
mkdir $tmp || framework_failure=1
cd $tmp || framework_failure=1
t=tln-symlink
d=tln-subdir
ld=tln-symlink-to-subdir
f=tln-file
fail=0
# Create a simple symlink with both source and destination files
# in current directory.
touch $f || framework_failure=1
rm -f $t || framework_failure=1
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=1
rm -rf $d || framework_failure=1
mkdir $d || framework_failure=1
ln -s ../$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=1
rm -rf $d || framework_failure=1
mkdir $d || framework_failure=1
ln -s ../$f $d || fail=1
test -f $d/$f || fail=1
rm -rf $d $f
# Make sure we get a failure with existing dest without -f option
touch $t || framework_failure=1
# 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=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=1
mkdir $d || framework_failure=1
touch $d/$f || framework_failure=1
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=1
touch $f || framework_failure=1
mkdir $d || framework_failure=1
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=1
touch $f || framework_failure=1
mkdir $d || framework_failure=1
ln -s $d $ld
af=`pwd`/$f
ln --no-dereference -fs $af $ld || fail=1
test -f $ld || fail=1
rm -rf $d $f $ld
# Try to create a symlink with backup where the destination file exists
# and the backup file name is a hard link to the destination file.
touch a b || framework_failure=1
ln b b~ || framework_failure=1
ln -f --b=simple a b || fail=1
# ===================================================
# determine if link(2) follows symlinks on this system
touch a || framework_failure=1
ln -s a symlink || framework_failure=1
ln symlink hard-to-sym > /dev/null 2>&1 || framework_failure=1
ls=`ls -lG hard-to-sym`x
case "$ls" in
*'hard-to-symx') link_follows_symlink=yes ;;
*'hard-to-sym -> ax') link_follows_symlink=no ;;
*) framework_failure=1 ;;
esac
if test $link_follows_symlink = no; then
# Create a hard link to a dangling symlink.
# This is not portable. At least sunos4.1.4 and OpenBSD 2.3 fail this test.
# They get this:
# ln: cannot create hard link `hard-to-dangle' to `no-such-dir': \
# No such file or directory
#
ln -s /no-such-dir || fail=1
ln no-such-dir hard-to-dangle > /dev/null 2>&1 || fail=1
fi
rm -rf a symlink hard-to-sym hard-to-dangle
# ===================================================
cd ..
../../src/rm -rf $tmp
if test $framework_failure = 1; then
echo 'failure in testing framework' 1>&2
exit 1
fi
exit $fail
|
