Provider works more or less now.

lib/util/logger.js

@@ -1,15 +1,15 @@
 var util = require('util')
+var colors = require('colors')
 
 function Log(tag, stream) {
   this.tag = tag
-  this.stream = stream || process.stderr
   this.levels = {
-    DEBUG: 'DBG'
-  , VERBOSE: 'VRB'
-  , INFO: 'INF'
-  , WARNING: 'WRN'
-  , ERROR: 'ERR'
-  , FATAL: 'FTL'
+    DEBUG: 'DBG'.grey
+  , VERBOSE: 'VRB'.cyan
+  , INFO: 'INF'.green
+  , WARNING: 'WRN'.yellow
+  , ERROR: 'ERR'.red
+  , FATAL: 'FTL'.red
   }
 }
 
@@ -38,23 +38,24 @@ Log.prototype.fatal = function() {
 }
 
 Log.prototype._format = function(priority, args) {
-  return util.format('%s %s/%s %d %s\n',
-    Log.globalPrefix, priority, this.tag, process.pid,
+  return util.format('%s/%s %d [%s] %s',
+    priority, this.tag, process.pid, Log.globalIdentifier,
     util.format.apply(util, args))
 }
 
 Log.prototype._write = function(out) {
-  this.stream.write(out)
+  console.error(out)
 }
 
-Log.globalPrefix = '*'
+Log.globalIdentifier = '*'
 
 Log.createLogger = function(tag) {
   return new Log(tag)
 }
 
-Log.setGlobalPrefix = function(prefix) {
-  Log.globalPrefix = prefix
+Log.setGlobalIdentifier = function(identifier) {
+  Log.globalIdentifier = identifier
+  return Log
 }
 
 exports = module.exports = Log