Add script to generate npm publish script

Gruntfile.js

@@ -562,7 +562,20 @@ module.exports = function(grunt) {
             return false;
         }
     });
+    grunt.registerTask('generatePublishScript',
+        'Generates a script to publish build output to npm',
+            function () {
+                const done = this.async();
+                const generatePublishScript = require("./scripts/generate-publish-script.js");
+                generatePublishScript().then(function(output) {
+                    grunt.log.writeln(output);
 
+                    const filePath = path.join(grunt.config.get('paths.dist'),"modules","publish.sh");
+                    grunt.file.write(filePath,output);
+
+                    done();
+                });
+            });
     grunt.registerTask('setDevEnv',
         'Sets NODE_ENV=development so non-minified assets are used',
             function () {
@@ -605,7 +618,7 @@ module.exports = function(grunt) {
 
     grunt.registerTask('release',
         'Create distribution zip file',
-        ['build','verifyPackageDependencies','clean:release','mkdir:release','chmod:release','compress:release','pack-modules']);
+        ['build','verifyPackageDependencies','clean:release','mkdir:release','chmod:release','compress:release','pack-modules','generatePublishScript']);
 
     grunt.registerTask('pack-modules',
         'Create module pack files for release',

scripts/generate-publish-script.js

@@ -0,0 +1,38 @@
+#!/usr/bin/env node
+
+const path = require("path");
+const fs = require("fs-extra");
+const should = require("should");
+
+function generateScript() {
+    return new Promise((resolve, reject) => {
+        const packages = [
+            "node-red-util",
+            "node-red-runtime",
+            "node-red-registry",
+            "node-red-nodes",
+            "node-red-editor-client",
+            "node-red-editor-api",
+            "node-red"
+        ];
+        const rootPackage = require(path.join(__dirname,"..","package.json"));
+        const version = rootPackage.version;
+
+        const tagArg = /-/.test(version) ? "--tag next" : ""
+
+        const lines = [];
+
+        packages.forEach(name => {
+            lines.push(`npm publish ${name}-${version}.tgz ${tagArg}\n`);
+        })
+        resolve(lines.join(""))
+    });
+}
+
+if (require.main === module) {
+    generateScript().then(output => {
+        console.log(output);
+    });
+} else {
+    module.exports = generateScript;
+}