fix renaming provided files to a parent directory when omitting the f…

…ilename

expand_path would strip the leading ../

The new behavior keeps leading ./, however this was already the case when doing "file > ./foo".

lib/reapack/index/scanner.rb

@@ -161,9 +161,8 @@ def parse_provides(provides)
         files.map {|file|
           if line.target
             if line.target =~ /[\/\\\.]+\z/
-              new_dir = ReaPack::Index.expand line.target, ''
               base_file = File.basename file
-              target = new_dir.empty? ? base_file : File.join(new_dir, base_file)
+              target = File.join line.target, base_file
             else
               target = line.target
             end

test/index/test_provides.rb

@@ -372,8 +372,9 @@ def test_rename_target
       @version 1.0
       @provides
         source.lua > target.lua
-        source.png > target.png
+        source.png > ./target.png
         source*.jpg > target_dir/
+        source*.jpg > ../target_dir/
         sub/source.txt > .
     IN
 
@@ -382,10 +383,12 @@ def test_rename_target
     xml = File.read index.path
 
     assert_match 'file="target.lua"', xml
-    assert_match 'file="target.png"', xml
+    assert_match 'file="./target.png"', xml
     assert_match 'file="target_dir/source1.jpg"', xml
     assert_match 'file="target_dir/source2.jpg"', xml
-    assert_match 'file="source.txt"', xml
+    assert_match 'file="../target_dir/source1.jpg"', xml
+    assert_match 'file="../target_dir/source2.jpg"', xml
+    assert_match 'file="./source.txt"', xml
     refute_match 'file="source.png"', xml
 
     assert_equal 1,