add play-complete script, completion from play help output

bin/play-complete

@@ -0,0 +1,31 @@
+#!/usr/bin/env node
+var completion = require('../lib/completion'),
+  exec = require('child_process').exec,
+  path = require('path'),
+  completer = path.basename(__filename);
+
+var parseTasks = completion.parseTasks,
+  parseOut = completion.parseOut,
+  log = completion.log;
+
+completion.complete('play', completer, function(err, o) {
+  if(err || !o) return;
+
+  exec('play help', function(err, stdout, stderr) {
+    if(err) return;
+    stdout = stdout.split('Core commands')[1].split(/^~$/m)[0];
+    var parsed = parseTasks(stdout, '~', /~\s[\w-:]+\s/gm);
+    log(parsed, o);
+  });
+});
+
+if(completion.isComplete()) return;
+
+console.log([
+  'play-complete called outside of a completion context.',
+  '» You may want to setup the completion in your ~/.bashrc or ~/.zshrc file, if not already.',
+  '',
+  '   play-complete completion >> ~/.bashrc',
+  'Or',
+  '   play-complete completion >> ~/.zshrc'
+].join('\n'));

bin/rake-complete

@@ -39,7 +39,7 @@ completion.complete('rake', completer, function(err, o) {
 if(completion.isComplete()) return;
 
 console.log([
-  'vagrant-complete called outside of a completion context.',
+  'rake-complete called outside of a completion context.',
   '» You may want to setup the completion in your ~/.bashrc or ~/.zshrc file, if not already.',
   '',
   '   rake-complete completion >> ~/.bashrc',

lib/completion.js

@@ -3,6 +3,8 @@ var fs = require('fs'),
   path = require('path'),
   args = process.argv.slice(2),
   completeCmd = args[0] === 'completion',
+  installCmd = completeCmd && args[1] === 'install',
+  uninstallCmd = completeCmd && args[1] === 'uninstall',
   words = process.env.COMP_CWORD,
   point = process.env.COMP_POINT,
   line = process.env.COMP_LINE;
@@ -63,8 +65,8 @@ exports.parseOut = function parseOut(str) {
 };
 
 // specific to cake case
-exports.parseTasks = function(str, prefix) {
-  var tasks = str.match(new RegExp(prefix + '\\s[^#]+', 'gm')) || [];
+exports.parseTasks = function(str, prefix, reg) {
+  var tasks = str.match(reg || new RegExp('^' + prefix + '\\s[^#]+', 'gm')) || [];
   return tasks.map(trim).map(function(s) {
     return s.replace(prefix + ' ', '');
   });