Better handling of custom plugin paths

lib/cli.js

@@ -12,7 +12,7 @@ module.exports = function() {
 
   program
     .version(version)
-    .option('-P, --plugin-path [path]', 'look for plugins installed at [path] as well as node_modules', function(p) { Plugin.addPluginPath(p); })
+    .option('-P, --plugin-path [path]', 'look for plugins installed at [path] as well as the default locations ([path] can also point to a single plugin)', function(p) { Plugin.addPluginPath(p); })
     .option('-D, --debug', 'turn on debug level logging', function() { logger.setDebugEnabled(true) })
     .parse(process.argv);
 

lib/plugin.js

@@ -3,6 +3,7 @@ var fs = require('fs');
 var semver = require('semver');
 var User = require('./user').User;
 var version = require('./version');
+var log = require("./logger")._system;
 
 'use strict';
 
@@ -162,20 +163,27 @@ Plugin.installed = function() {
       if (!fs.statSync(pluginPath).isDirectory()) continue;
       
       // does this module contain a package.json?
+      var pjson;
       try {
         // throws an Error if this isn't a homebridge plugin
-        Plugin.loadPackageJSON(pluginPath);
+        pjson = Plugin.loadPackageJSON(pluginPath);
       }
       catch (err) {
         // swallow error and skip this module
         continue;
       }
       
+      // get actual name if this path points inside a single plugin
+      if (!name) name = pjson.name;
+      
       // add it to the return list
       if (!pluginsByName[name]) {
-        pluginsByName[name] = true;
+        pluginsByName[name] = pluginPath;
         plugins.push(new Plugin(pluginPath));
       }
+      else {
+        log.warn("Warning: skipping plugin found at '" + pluginPath + "' since we already loaded the same plugin from '" + pluginsByName[name] + "'.");
+      }
     }
   }
   

package.json

@@ -1,7 +1,7 @@
 {
   "name": "homebridge",
   "description": "HomeKit support for the impatient",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "scripts": {
     "dev": "DEBUG=* ./bin/homebridge -P example-plugins/ || true"
   },