From a919a7aec26f396b9a92d1913cc1acc1fb3a04f2 Mon Sep 17 00:00:00 2001
From: Adeel <adeelbm@outlook.com>
Date: Tue, 10 Feb 2015 09:46:15 +0200
Subject: [PATCH] Build: Produces identifiable binary name. The new format is:
 {platform}-{arch}-{runtime}-{major.minor} where major and minor version
 belong to the runtime.

Related Issue: #655.
PR URL: sass/node-sass#657.
---
 lib/index.js       |  7 +++++--
 lib/utils.js       | 28 ++++++++++++++++++++++++++++
 package.json       |  1 +
 scripts/build.js   |  5 +++--
 scripts/install.js |  5 +++--
 5 files changed, 40 insertions(+), 6 deletions(-)
 create mode 100644 lib/utils.js

diff --git a/lib/index.js b/lib/index.js
index cf421e4c2..3146d2072 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,5 +1,6 @@
 var fs = require('fs'),
-    path = require('path');
+    path = require('path'),
+    utils = require('./utils');
 
 /**
  * Get binding
@@ -8,7 +9,8 @@ var fs = require('fs'),
  */
 
 function getBinding() {
-  var name = process.platform + '-' + process.arch;
+  var name = utils.getBinaryIdentifiableName();
+
   var candidates = [
     path.join(__dirname, '..', 'build', 'Release', 'binding.node'),
     path.join(__dirname, '..', 'build', 'Debug', 'binding.node'),
@@ -255,6 +257,7 @@ module.exports.renderSync = function(options) {
 /**
  * API Info
  *
+ * @api public
  */
 
 module.exports.info = function() {
diff --git a/lib/utils.js b/lib/utils.js
new file mode 100644
index 000000000..ecc8ae967
--- /dev/null
+++ b/lib/utils.js
@@ -0,0 +1,28 @@
+var semver = require('semver'),
+    runtimeVersion = semver.parse(process.version);
+
+/**
+ * Get Runtime Name
+ *
+ * @api private
+ */
+
+function getRuntimeName() {
+  return process.execPath
+        .split(/[\\/]+/).pop()
+        .split('.')[0];
+}
+
+/**
+ * Get unique name of binary for current platform
+ *
+ * @api public
+ */
+
+module.exports.getBinaryIdentifiableName = function() {
+  return process.platform + '-' +
+         process.arch + '-' +
+         runtime + '-' +
+         runtimeVersion.major + '.' +
+         runtimeVersion.minor;
+}
diff --git a/package.json b/package.json
index 13460f91b..074942cd5 100644
--- a/package.json
+++ b/package.json
@@ -56,6 +56,7 @@
     "replace-ext": "0.0.1",
     "request": "^2.53.0",
     "sass-graph": "^1.0.3",
+    "semver": "^4.2.2",
     "shelljs": "^0.3.0"
   },
   "devDependencies": {
diff --git a/scripts/build.js b/scripts/build.js
index 09a54a135..48ab094ef 100644
--- a/scripts/build.js
+++ b/scripts/build.js
@@ -2,7 +2,8 @@ var fs = require('fs'),
     path = require('path'),
     spawn = require('child_process').spawn,
     mkdir = require('mkdirp'),
-    Mocha = require('mocha');
+    Mocha = require('mocha'),
+    utils = require('../lib/utils');
 
 /**
  * After build
@@ -109,7 +110,7 @@ function parseArgs(args) {
  */
 
 function testBinary(options) {
-  options.bin = options.platform + '-' + options.arch;
+  options.bin = utils.getBinaryIdentifiableName();
 
   if (options.force || process.env.SASS_FORCE_BUILD) {
     return build(options);
diff --git a/scripts/install.js b/scripts/install.js
index 296345b62..addd50079 100644
--- a/scripts/install.js
+++ b/scripts/install.js
@@ -2,7 +2,8 @@ var fs = require('fs'),
     path = require('path'),
     request = require('request'),
     mkdirp = require('mkdirp'),
-    exec = require('shelljs').exec;
+    exec = require('shelljs').exec,
+    utils = require('../lib/utils');
 
 /**
  * Download file, if succeeds save, if not delete
@@ -76,7 +77,7 @@ function applyProxy(options, cb) {
  */
 
 function exists() {
-  var name = process.platform + '-' + process.arch;
+  var name = utils.getBinaryIdentifiableName();
 
   fs.exists(path.join(__dirname, '..', 'vendor', name), function (exists) {
     if (exists) {