From 129fde710c89d1537971cd5bdf430af50bea3907 Mon Sep 17 00:00:00 2001
From: brettlangdon <brett@blangdon.com>
Date: Tue, 27 May 2014 20:24:03 -0400
Subject: [PATCH] allow loading a config from .tendrc

---
 bin/tend     | 34 +++++++++++++++++++++++++++-------
 lib/index.js | 42 ++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 67 insertions(+), 9 deletions(-)

diff --git a/bin/tend b/bin/tend
index a985a08..b470ee9 100755
--- a/bin/tend
+++ b/bin/tend
@@ -5,8 +5,9 @@ var tend = require('../');
 
 var doc = [
   'Usage:',
+  '  tend',
   '  tend (--help | --version)',
-  '  tend [--restart] [--ignoreHidden] <dir> <command> [<filter>]',
+  '  tend [--restart] [--ignoreHidden] [<dir> <command>] [<filter>]',
   '',
   'Options:',
   '  -h --help          Show this help text',
@@ -20,9 +21,28 @@ var args = docopt.docopt(doc, {
   version: 'tend ' + require('../package.json').version,
 });
 
-var options = {
-  pattern: args['<filter>'],
-  ignoreHidden: args['--ignoreHidden'],
-  restart: args['--restart'],
-};
-tend.tend(args['<dir>'], args['<command>'], options);
+var config = tend.parseConfig();
+if (!config && !args['<dir>'] && !args['<command>']) {
+  console.error('No .tendrc file found, must run with "<dir> <command>"');
+  process.exit(1);
+}
+
+if (!config) {
+  config = {};
+}
+
+if (args['<dir>'] && args['<command>']) {
+  config['cli'] = {
+    filter: args['<filter>'],
+    ignoreHidden: args['--ignoreHidden'],
+    restart: args['--restart'],
+    command: args['<command>'],
+    directory: args['<dir>'],
+  }
+}
+
+for (var key in config) {
+  console.log('Starting listener: ' + key);
+  var options = config[key];
+  tend.tend(options.directory, options.command, options);
+}
diff --git a/lib/index.js b/lib/index.js
index 6d07d99..87e16c7 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,12 +1,13 @@
 var colors = require('colors');
-var path = require('path');
 var parse = require('shell-quote').parse;
+var path = require('path');
+var rc = require('rc');
 var spawn = require('child_process').spawn;
 var watch = require('watch');
 
 module.exports.tend = function(dir, rawCommand, options) {
   options = options || {};
-  var pattern = options.pattern || '.';
+  var pattern = options.filter || '.';
   var filter = new RegExp(pattern, 'i');
 
   var ignoreHidden = options.ignoreHidden === true;
@@ -72,3 +73,40 @@ module.exports.tend = function(dir, rawCommand, options) {
     timeout = setTimeout(startCommand, 300);
   });
 };
+
+module.exports.parseConfig = function() {
+  var config = {};
+  var rawConfig = rc('tend', {}, {});
+
+  var defaults = {
+    filter: rawConfig.filter || '.',
+    ignoreHidden: (rawConfig.ignoreHidden === undefined) ? false : rawConfig.ignoreHidden,
+    restart: (rawConfig.restart === undefined) ? false : rawConfig.restart,
+  };
+
+  for (var key in rawConfig) {
+    if (!(rawConfig[key] instanceof Object)) {
+      continue;
+    }
+    var section = rawConfig[key];
+    if (!section.directory) {
+      console.error('Section[' + key + '] missing "directory" setting');
+      continue;
+    } else if (!section.command) {
+      console.error('Section[' + key + '] missing "command" setting');
+      continue;
+    }
+    config[key] = {
+      filter: (section.filter === undefined) ? defaults.filter : section.filter,
+      ignoreHidden: (section.ignoreHidden === undefined) ? defaults.ignoreHidden : section.ignoreHidden,
+      restart: (section.restart === undefined) ? defaults.restart : section.restart,
+      directory: section.directory,
+      command: section.command
+    };
+  }
+
+  if (!Object.keys(config).length) {
+    return false;
+  }
+  return config;
+};