Merge pull request #39 from zeit/add/help

Add help subcommand

bin/now

@@ -18,18 +18,25 @@ const exit = (code) => {
   setTimeout(() => process.exit(code), 1000);
 };
 
-const commands = new Set(['deploy', 'list', 'ls']);
+const defaultCommand = 'deploy';
+const commands = new Set([defaultCommand, 'list', 'ls']);
 const aliases = new Map([['ls', 'list']]);
 
 let cmd = argv._[0];
-let args;
+let args = [];
+
+if ('help' === cmd) {
+  cmd = argv._[1];
+  if (!commands.has(cmd)) cmd = defaultCommand;
+  args.push('--help');
+}
 
 if (commands.has(cmd)) {
   cmd = aliases.get(cmd) || cmd;
-  args = process.argv.slice(3);
+  args = args.concat(process.argv.slice(3));
 } else {
-  cmd = 'deploy';
-  args = process.argv.slice(2);
+  cmd = defaultCommand;
+  args = args.concat(process.argv.slice(2));
 }
 
 const bin = resolve(__dirname, 'now-' + cmd);

bin/now-deploy

@@ -20,8 +20,9 @@ const help = () => {
 
   Commands:
 
-    list    output list of instances
-    ls      alias of list
+    list [app]  output list of instances
+    ls [app]    alias of list
+    help [cmd]  display help for [cmd]
 
   Options:
 

bin/now-list

@@ -11,6 +11,24 @@ import * as cfg from '../lib/cfg';
 import { handleError, error } from '../lib/error';
 
 const argv = minimist(process.argv.slice(2));
+const help = () => {
+  console.log(`
+  𝚫 now list [app]
+
+  Alias: ls
+
+  Options:
+
+    -h, --help   output usage information
+    -d, --debug  Debug mode [off]
+`);
+};
+
+if (argv.h || argv.help) {
+  help();
+  process.exit(0);
+}
+
 const app = argv._[0];
 
 // options