From 84c548a444bfc62dc2f7e45e72b71cf0d5835c3e Mon Sep 17 00:00:00 2001
From: Loic Nageleisen <loic.nageleisen@gmail.com>
Date: Wed, 29 Jul 2015 16:31:42 +0200
Subject: [PATCH] don't :e an unsaved file

---
 lib/ex.coffee | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/ex.coffee b/lib/ex.coffee
index c7f0d45..6476bad 100644
--- a/lib/ex.coffee
+++ b/lib/ex.coffee
@@ -112,7 +112,10 @@ class Ex
     if filePath.indexOf(' ') isnt -1
       throw new CommandError('Only one file name allowed')
     buffer = atom.workspace.getActiveTextEditor().buffer
-    filePath = buffer.getPath() if filePath is ''
+    if buffer.isModified()
+      throw new CommandError('Unsaved file')
+    if filePath is ''
+      filePath = buffer.getPath()
     buffer.setPath(getFullPath(filePath))
     buffer.load()