For #115: Update link file with newline test.

 - IFS manipulation did not appear to be doing anything helpful, so I
   removed it.
 - Linking files with a newline is not actually fixed, but the
   behavior did change slightly, so I updated the test.

lib/commands/link.sh

@@ -9,16 +9,13 @@ function symlink {
 		ignore 'ignored' "$castle"
 		return $EX_SUCCESS
 	fi
-	oldIFS=$IFS
-	IFS=$'\n'
-	for filename in $(get_repo_files $repo/home); do
+	for filename in $(get_repo_files "$repo/home"); do
 		remote="$repo/home/$filename"
-		IFS=$oldIFS
-		local=$HOME/$filename
+		local="$HOME/$filename"
 
 		if [[ -e $local || -L $local ]]; then
 			# $local exists (but may be a dead symlink)
-			if [[ -L $local && $(readlink "$local") == $remote ]]; then
+			if [[ -L $local && $(readlink "$local") == "$remote" ]]; then
 				# $local symlinks to $remote.
 				if [[ -d $remote && ! -L $remote ]]; then
 					# If $remote is a directory -> legacy handling.

test/suites/link.bats

@@ -161,14 +161,13 @@ EOF
 
 @test 'fail when linking file with newline' {
 	castle 'rc-files'
-	touch "$HOMESICK/repos/rc-files/home/filename
+	test_filename="filename
 newline"
+	touch "$HOMESICK/repos/rc-files/home/$test_filename"
 	commit_repo_state $HOMESICK/repos/rc-files
 	$HOMESHICK_FN --batch link rc-files
-	[ -L "$HOME/\"filename" ]
-	[ -L "$HOME/newline\"" ]
-	is_symlink $HOMESICK/repos/rc-files/home/\"filename $HOME/\"filename
-	is_symlink $HOMESICK/repos/rc-files/home/newline\" $HOME/newline\"
+	[ -L "$HOME/\"filenamennewline\"" ]
+	is_symlink "$HOMESICK/repos/rc-files/home/\"filenamennewline\"" "$HOME/\"filenamennewline\""
 }
 
 @test 'files ignored by git should not be linked' {