From 0265573bc6817d30de1eac032bf87c0fe30ca0c7 Mon Sep 17 00:00:00 2001
From: rahulroy9202 <rahulroy9202@gmail.com>
Date: Tue, 3 Mar 2015 19:22:07 +0530
Subject: [PATCH] now checks if input version is greater than latest

---
 src/nvm.go | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/nvm.go b/src/nvm.go
index b888575..f16f2cd 100644
--- a/src/nvm.go
+++ b/src/nvm.go
@@ -119,6 +119,19 @@ func update() {
 //  }
 }
 
+fun checkVersionExceedsLatest(version) bool{
+    content := web.GetRemoteTextFile("http://nodejs.org/dist/latest/SHASUMS.txt")
+    re := regexp.MustCompile("node-v(.+)+msi")
+    reg := regexp.MustCompile("node-v|-x.+")
+	latest = reg.ReplaceAllString(re.FindString(content),"")
+	
+	if version < latest {
+		return false
+	} else {
+		return true
+	}
+}
+
 func install(version string, cpuarch string) {
   if version == "" {
     fmt.Println("\nInvalid version.")
@@ -141,7 +154,12 @@ func install(version string, cpuarch string) {
   if cpuarch != "all" {
     cpuarch = arch.Validate(cpuarch)
   }
-
+  
+  if(checkVersionExceedsLatest(version)) {
+	fmt.Println("Node.js v"+version+" is not yet available.")
+	return
+  }
+  
   if cpuarch == "64" && !web.IsNode64bitAvailable(version) {
     fmt.Println("Node.js v"+version+" is only available in 32-bit.")
     return