From fd27d853172ca202a80b01716cc46ebb0e5443f2 Mon Sep 17 00:00:00 2001
From: Brandon Freitag <freitagbr@gmail.com>
Date: Tue, 12 Jan 2016 02:08:43 -0800
Subject: [PATCH] Use OS-agnostic filepath verification

---
 src/ln.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/ln.js b/src/ln.js
index e7a03f5..9b91af5 100644
--- a/src/ln.js
+++ b/src/ln.js
@@ -29,9 +29,11 @@ function _ln(options, source, dest) {
   }
 
   source = String(source);
+  var sourcePath = path.normalize(source).replace(RegExp(path.sep + '$'), '');
+  var isAbsolute = (path.resolve(source) === sourcePath);
   dest = path.resolve(process.cwd(), String(dest));
 
-  if (!fs.existsSync(source) && !path.isAbsolute(source) && !fs.existsSync(path.dirname(dest) + '/' + source)) {
+  if ((isAbsolute && !fs.existsSync(sourcePath)) || !fs.existsSync(path.resolve(process.cwd(), path.dirname(dest), source))) {
     common.error('Source file does not exist', true);
   }