From 27844cd35849c739264e5c92f86311d657a17b3a Mon Sep 17 00:00:00 2001
From: Alex Kocharin <alex@kocharin.ru>
Date: Sat, 22 Jun 2013 04:19:46 +0400
Subject: [PATCH] fixing some race conditions

---
 lib/fs-storage.js | 8 ++++++--
 lib/st-local.js   | 2 +-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/lib/fs-storage.js b/lib/fs-storage.js
index b60b72dcd..455d745e8 100644
--- a/lib/fs-storage.js
+++ b/lib/fs-storage.js
@@ -19,7 +19,11 @@ function make_directories(dest, cb) {
 
 function write(dest, data, cb) {
 	var safe_write = function(cb) {
-		fs.writeFile(dest, data, cb);
+		var tmpname = dest + '.tmp' + String(Math.random()).substr(2);
+		fs.writeFile(tmpname, data, function(err) {
+			if (err) return cb(err);
+			return fs.rename(tmpname, dest, cb);
+		});
 	}
 
 	safe_write(function(err) {
@@ -99,7 +103,7 @@ Storage.prototype.read = function(name, cb) {
 Storage.prototype.read_json = function(name, cb) {
 	read(this.path + '/' + name, function(err, res) {
 		if (err) return cb(err);
-		cb(null, JSON.parse(res));
+		cb(null, JSON.parse(res.toString('utf8')));
 	});
 }
 
diff --git a/lib/st-local.js b/lib/st-local.js
index 132d3fa94..175c92f66 100644
--- a/lib/st-local.js
+++ b/lib/st-local.js
@@ -92,7 +92,7 @@ Storage.prototype.update_versions = function(name, newdata, callback) {
 			// if tag is updated to reference latter version, that's fine
 			var need_change = 
 				(data['dist-tags'][tag] == null) ||
-				(!semver.gt(newdata['dist-tags'][tag], data['dist-tags'][tag]));
+				(!semver.gte(newdata['dist-tags'][tag], data['dist-tags'][tag]));
 
 			if (need_change) {
 				change = true;