deprecated version message

src/cli/index.js

@@ -1,15 +1,32 @@
 'use strict';
 
 const cli = require('yargs');
+const colors = require('colors/safe');
 const commands = require('./commands');
+const format = require('stringformat');
 const _ = require('lodash');
+const semver = require('semver');
 
 const Local = require('./domain/local');
 const logger = require('./logger');
 const Registry = require('./domain/registry');
 const strings = require('../resources');
 const validateCommand = require('./validate-command');
 
+const currentNodeVersion = process.version;
+const minSupportedVersion = '6.0.0';
+if (semver.lt(currentNodeVersion, minSupportedVersion)) {
+  console.log(
+    colors.red(
+      format(
+        strings.errors.cli.NODE_CLI_VERSION_UNSUPPORTED,
+        currentNodeVersion,
+        minSupportedVersion
+      )
+    )
+  );
+}
+
 const dependencies = {
   local: new Local(),
   logger,

src/resources/index.js

@@ -102,6 +102,8 @@ module.exports = {
         'the name is not valid. Allowed characters are alphanumeric, _, -',
       NODE_CLI_VERSION_NEEDS_UPGRADE:
         "the version of used node is invalid. Try to upgrade node to version matching '{0}'",
+      NODE_CLI_VERSION_UNSUPPORTED:
+        "ALERT: You're currently running OC on an unsupported Node version ({0}).\nPlease upgrade Node to >= {1}.",
       OC_CLI_VERSION_NEEDS_UPGRADE:
         'the version of used OC CLI is invalid. Try to upgrade OC CLI running {0}',
       PACKAGE_CREATION_FAIL: 'An error happened when creating the package: {0}',