Closes ColemanGariety#19 and closes ColemanGariety#17. Also adds a us…

…eful change event so you can

run your gulp compilation tasks without spawning a new instance using
nodemon's `exec` options.

README.md

@@ -22,12 +22,12 @@ gulp-nodemon returns a stream just like any other NodeJS stream, **except for th
 
 #### **`.on([event], [tasks])`**
 
-1. `[event]` is an event name as a string. (see: [nodemon events](https://github.com/remy/nodemon/blob/master/doc/events.md)
+1. `[event]` is an event name as a string. See [nodemon events](https://github.com/remy/nodemon/blob/master/doc/events.md). *I've also added an `.on('change')` event which fires **before** the server restarts so that you can run your compile tasks all within the same gulp process.*
 2. `[tasks]` A gulp task name, array of gulp task names, or a function to execute.
 
 ## Example
 
-The following example will run your code with nodemon and lint it when your make changes.
+The following example will run your code with nodemon, lint it when your it change, then log a message when it nodemon runs it again.
 
 ```javascript
 // Gulpfile.js
@@ -42,6 +42,9 @@ gulp.task('lint', function () {
 
 gulp.task('develop', function () {
   nodemon({ script: 'server.js', ext: 'html js', ignore: ['ignored.js'] })
-    .on('restart', ['lint'])
+    .on('change', ['lint'])
+    .on('restart', function () {
+      console.log('restarted!')
+    })
 })
 ```

index.js

@@ -3,32 +3,51 @@ var nodemon = require('nodemon')
   , gulp = require('gulp')
 
 module.exports = function (options) {
-  try {
-
-    // Our script
-    var script = nodemon(options)
-      , originalDon = script.on
-
-    process.on('exit', script.emit.bind(script, 'exit'))
-
-    // Forward log messages
-    script.on('log', function (log) {
-      console.log('[gulp] ' + ('[nodemon] ' + log.message).yellow)
-    })
-
-    // Shim 'on' for use with gulp tasks
-    script.on = function (event, tasks) {
-      if (tasks instanceof Function) originalDon(event, tasks)
-      else originalDon(event, function () {
-        if (Array.isArray(tasks)) {
-          tasks.forEach(function (task) {
-            gulp.run(task)
+  if (options.exec instanceof Array) options.exec = options.exec.join(' ')
+  if (typeof options.exec === 'string') options.exec = 'gulp ' + options.exec
+
+  // Our script
+  var script = nodemon(options)
+    , originalOn = script.on  // http://www.youtube.com/watch?v=dKKdJoXF7PI&feature=kp
+
+  script.on('log', function (log) {
+    if (log.message === 'restarting due to changes...') nodemon.emit('change')
+  })
+
+  process.on('exit', script.emit.bind(script, 'exit'))
+
+  // Forward log messages
+  script.on('log', function (log) {
+    console.log('[gulp] ' + ('[nodemon] ' + log.message).yellow)
+  })
+
+  // Shim 'on' for use with gulp tasks
+  script.on = function (event, tasks) {
+    var tasks = Array.prototype.slice.call(arguments)
+      , event = tasks.shift()
+
+    for (var i = 0; i < tasks.length; i++) {
+      void function (tasks) {
+        if (tasks instanceof Function) originalOn(event, tasks)
+        else {
+          originalOn(event, function () {
+            console.log(tasks)
+            if (Array.isArray(tasks)) {
+              tasks.forEach(function (task) {
+                run(task)
+              })
+            } else run(tasks)
           })
-        } else gulp.run(tasks)
-      })
+        }
+      }(tasks[i])
     }
-
     return script
+  }
+
+  return script
 
-  } catch (e) { throw '[gulp] ' + ('[nodemon]' + String(e.message)).yellow }
+  function run(tasks) {
+    tasks = tasks.length ? [tasks] : ['default']
+    gulp.start.apply(gulp, tasks)
+  }
 }