feat(config): add rc style configs

fixes #308
fixes #406

Author: wzrdtales

.gitignore

@@ -10,6 +10,7 @@ database.json
 *.sublime-project
 *.sublime-workspace
 archive
+.db-migraterc
 
 # Vim swap files
 .*.sw[a-z]

.npmignore

@@ -8,3 +8,4 @@ database.json
 *.sublime-project
 *.sublime-workspace
 archive
+.db-migraterc

api.js

@@ -540,6 +540,9 @@ dbmigrate.prototype = {
 
 function setDefaultArgv(internals, isModule) {
 
+  var rc = require('rc');
+  var deepExtend = require('deep-extend');
+
   internals.argv = optimist
     .default({
       verbose: false,
@@ -558,7 +561,6 @@ function setDefaultArgv(internals, isModule) {
       'Usage: db-migrate [up|down|reset|sync|create|db|transition] ' +
         '[[dbname/]migrationName|all] [options]'
     )
-
   .describe('env',
       'The environment to run the migrations under (dev, test, prod).')
     .alias('e', 'env')
@@ -636,6 +638,8 @@ function setDefaultArgv(internals, isModule) {
 
   var plugins = internals.plugins;
   var plugin = plugins.hook('init:cli:config:hook');
+  var _config = internals.argv.argv.config;
+
   if(plugin) {
 
     plugin.forEach(function(plugin) {
@@ -648,7 +652,9 @@ function setDefaultArgv(internals, isModule) {
     });
   }
 
-  internals.argv = internals.argv.argv;
+  internals.argv = deepExtend(internals.argv.argv, rc('db-migrate', {}));
+  internals.argv.rcconfig = internals.argv.config;
+  internals.argv.config = _config;
 
   if (internals.argv.version) {
     console.log(internals.dbm.version);

package.json

@@ -47,6 +47,7 @@
     "balanced-match": "^0.4.2",
     "bluebird": "^3.1.1",
     "db-migrate-shared": "^1.1.2",
+    "deep-extend": "^0.4.1",
     "dotenv": "^2.0.0",
     "final-fs": "^1.6.0",
     "inflection": "^1.10.0",
@@ -56,6 +57,7 @@
     "parse-database-url": "~0.3.0",
     "pkginfo": "^0.4.0",
     "prompt": "^1.0.0",
+    "rc": "^1.1.6",
     "resolve": "^1.1.6",
     "semver": "^5.3.0",
     "tunnel-ssh": "^4.0.0"