[minor] Small require formatting updates. Try to be more future-proof.

bin/forever

@@ -3,17 +3,15 @@
 var path = require('path'),
     fs = require('fs'),
     winston = require('winston'),
-    sys  = require('sys');
+    sys  = require('sys'),
+    forever = require('./../lib/forever');
 
 var accepts = ['start', 'stop', 'stopall', 'list', 'config', 'clear', 'set', 'cleanlogs', 'restart'], action;
 if (accepts.indexOf(process.argv[2]) !== -1) {
   action = process.argv.splice(2,1)[0];
 }
 
 var argv = require('optimist').boolean(['v', 'verbose', 'a', 'append', 's', 'silent']).argv;
-require.paths.unshift(path.join(__dirname, '..', 'lib'));
-
-var forever = require('forever');
 
 var help = [
   'usage: forever [action] [options] SCRIPT [script-options]',

examples/multiple-processes.js

@@ -1,8 +1,6 @@
-require.paths.unshift(require('path').join(__dirname, '..', 'lib'));
-
 var util = require('util'),
-    forever = require('forever'),
     path = require('path'),
+    forever = require('./../lib/forever'),
     script = path.join(__dirname, 'server.js');
 
 var child1 = new (forever.Forever)(script, { 'options': [ "--port=8080"] });

lib/forever.js

@@ -475,6 +475,10 @@ forever.pidFilePath = function(pidFile) {
 // Utility function to check to see if a pid is running
 //
 function checkProcess (pid, callback) {
+  if (!pid) {
+    return callback(false);
+  }
+
   exec('ps ' + pid + ' | grep -v PID', function (err, stdout, stderr) {
     if (err) return callback(false);
     callback(stdout.indexOf(pid) !== -1);

lib/forever/monitor.js

@@ -282,7 +282,7 @@ Monitor.prototype.kill = function (forceStop) {
     if (forceStop) {
       this.forceStop = true;
     }
-
+    
     this.child.kill();
     this.emit('stop', this.childData);
   }