bin/inch in inch-0.1.4 vs bin/inch in inch-0.2.0

@@ -4,14 +4,19 @@
 Signal.trap("INT") do
   warn "  cancelled by user (INT)"
   exit 1
 end
 
-path = __FILE__
-while File.symlink?(path)
-  path = File.expand_path(File.readlink(path), File.dirname(path))
+# @return [String] the path to the 'lib' directory of Inch
+def find_lib_path
+  path = __FILE__
+  while File.symlink?(path)
+    path = File.expand_path(File.readlink(path), File.dirname(path))
+  end
+  File.join(File.dirname(File.expand_path(path)), '..', 'lib')
 end
-$:.unshift(File.join(File.dirname(File.expand_path(path)), '..', 'lib'))
+
+$LOAD_PATH.unshift(find_lib_path)
 
 require 'inch'
 
 Inch::CLI::CommandParser.run(*ARGV)