Add compose --encode option

Author: tardieu

bin/compose

@@ -7,10 +7,10 @@ const vm = require('vm')
 const minimist = require('minimist')
 const composer = require('../composer')
 
-const argv = minimist(process.argv.slice(2), { string: ['apihost', 'auth', 'deploy'], boolean: 'insecure', alias: { auth: 'u', insecure: 'i' } })
+const argv = minimist(process.argv.slice(2), { string: ['apihost', 'auth', 'deploy'], boolean: ['insecure', 'encode'], alias: { auth: 'u', insecure: 'i' } })
 
 if (argv._.length !== 1) {
-    console.error('Usage: compose <composition.js[on]> [--deploy <name>] [--apihost <host>] [--auth <key>] [--insecure]')
+    console.error('Usage: compose <composition.js[on]> [--deploy <name> | --encode] [--apihost <host>] [--auth <key>] [--insecure]')
     return
 }
 
@@ -22,6 +22,8 @@ if (argv.deploy) {
     if (argv.apihost) options.apihost = argv.apihost
     if (argv.auth) options.api_key = argv.auth
     composer.openwhisk(options).compositions.deploy(composition, argv.deploy).catch(console.error)
+} else if (argv.encode) {
+    console.log(composition.encode('anonymous').actions.slice(-1)[0].action.exec.code)
 } else {
     console.log(JSON.stringify(composition, null, 4))
 }