#!/bin/sh

PATH=../../../src:$PATH
tmp=t2-ln.$$

test_failure=0
mkdir $tmp || test_failure=1
cd $tmp || test_failure=1

if test $test_failure = 1; then
  echo 'failure in testing framework'
  exit 1
fi


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 || test_failure=1
rm -f $t || test_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 || test_failure=1
rm -rf $d || test_failure=1
mkdir $d || test_failure=1
ln -s ../$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 || test_failure=1
rm -rf $d || test_failure=1
mkdir $d || test_failure=1
ln -s ../$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 || test_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 && test_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 || test_failure=1
mkdir $d || test_failure=1
touch $d/$f || test_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 || test_failure=1
touch $f || test_failure=1
mkdir $d || test_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 || test_failure=1
touch $f || test_failure=1
mkdir $d || test_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

cd ..
rm -rf $tmp

exit $fail