repaired the ability of nano to be able to output DEBUG messages

README.md

@@ -804,6 +804,32 @@ alice.attachment.get('rabbit', 'picture.png').pipe(fs.createWriteStream('/tmp/ra
 
 then open `/tmp/rabbit.png` and you will see the rabbit picture.
 
+### debugging
+
+debugging messages can be enabled in Nano by
+
+
+#### setting the DEBUG environment variable
+
+Either in the shell
+
+    export DEBUG=nano
+    # then run your Node.js script
+
+or on the same line as you execute your Node.js script:
+
+    DEBUG=nano node myscript.js
+
+#### providing your own debugging function
+
+when initialising Nano, pass in a `log` function:
+
+``` js
+    nano = require('nano')({ url: 'http://127.0.0.1:5984/', log: function(d) {  console.log("!!!",d)}} );
+```
+
+* setting an environment variable `DEBUG` with value of 'nano'
+* or, providing
 
 ## tutorials, examples in the wild & screencasts
 

lib/logger.js

@@ -11,18 +11,12 @@
 // the License.
 
 'use strict';
+var prefix = 'nano';
+var debug = require('debug')(prefix);
 
-var debug = require('debug')('nano/logger');
-
-module.exports = function logging(cfg) {
-  var log = cfg && cfg.log;
-  var logStrategy = typeof log === 'function' ? log : debug;
-
-  return function logEvent(prefix) {
-    var eventId = (prefix ? prefix + '-' : '') +
-      (~~(Math.random() * 1e9)).toString(36);
-    return function log() {
-      logStrategy.call(this, eventId, [].slice.call(arguments, 0));
-    };
+module.exports = function logging() {
+  return function log() {
+    var eventId = prefix + (~~(Math.random() * 1e9)).toString(36);
+    debug.call(this, eventId, [].slice.call(arguments, 0));
   };
 };

tests/integration/shared/log.js

@@ -19,12 +19,7 @@ var harness = helpers.harness(__filename);
 var it = harness.it;
 
 it('should be able to instantiate a log', function(assert) {
-  var log = logger({
-    log: function(id, msg) {
-      assert.equal(typeof id, 'string', 'id is set `' + id + '`');
-      assert.equal(msg[0], 'testing 1234');
-      assert.end();
-    }
-  })();
-  log('testing 1234');
+  var log = logger();
+  assert.equal(typeof log, 'function');
+  assert.end();
 });