sequelize binary can now handle -m/--migrate

lib/migrator.js

@@ -40,7 +40,11 @@ module.exports = (function() {
             migrations.reverse()
 
           migrations.forEach(function(migration) {
-            chainer.add(migration, 'execute', [options])
+            chainer.add(migration, 'execute', [options], {
+              success: function(migration, callback) {
+                saveSuccessfulMigration.call(self, migration, callback)
+              }
+            })
           })
 
           chainer
@@ -129,18 +133,32 @@ module.exports = (function() {
 
   // private
 
-  var getLastMigrationIdFromDatabase = function() {
+  var getLastMigrationFromDatabase = function() {
     var self = this
 
     return new Utils.CustomEventEmitter(function(emitter) {
       self.findOrCreateSequelizeMetaModel().success(function(SequelizeMeta) {
         SequelizeMeta.find({ order: 'id DESC' }).success(function(meta) {
-          emitter.emit('success', meta ? meta.lastMigrationId : null)
+          emitter.emit('success', meta ? meta : null)
         }).error(function(err) { emitter.emit('failure', err) })
       }).error(function(err) { emitter.emit(err) })
     }).run()
   }
 
+  var getLastMigrationIdFromDatabase = function() {
+    var self = this
+
+    return new Utils.CustomEventEmitter(function(emitter) {
+      getLastMigrationFromDatabase.call(self)
+        .success(function(meta) {
+          emitter.emit('success', meta ? meta.lastMigrationId : null)
+        })
+        .error(function(err) {
+          emitter.emit('failure', err)
+        })
+    }).run()
+  }
+
   var getFormattedDateString = function(s) {
     var result = null
 
@@ -157,5 +175,24 @@ module.exports = (function() {
     return moment(getFormattedDateString(s), "YYYYMMDDHHmmss")
   }
 
+  var saveSuccessfulMigration = function(migration, callback) {
+    var self = this
+
+    getLastMigrationFromDatabase.call(this).success(function(dbEntry) {
+      if(dbEntry) {
+        dbEntry
+          .updateAttributes({ lastMigrationId: migration.migrationId })
+          .success(callback)
+          .error(function(err) { throw new Error(err) })
+      } else {
+        self.findOrCreateSequelizeMetaModel().success(function(SequelizeMeta) {
+          SequelizeMeta
+            .create({ lastMigrationId: migration.migrationId })
+            .success(callback)
+        })
+      }
+    }).error(function(err) { throw new Error(err) })
+  }
+
   return Migrator
 })()

lib/query-chainer.js

@@ -17,9 +17,9 @@ module.exports = (function() {
   }
   Utils.addEventEmitter(QueryChainer)
 
-  QueryChainer.prototype.add = function(emitterOrKlass, method, params) {
+  QueryChainer.prototype.add = function(emitterOrKlass, method, params, options) {
     if(!!method) {
-      this.serials.push({ klass: emitterOrKlass, method: method, params: params })
+      this.serials.push({ klass: emitterOrKlass, method: method, params: params, options: options })
     } else {
       observeEmitter.call(this, emitterOrKlass)
       this.emitters.push(emitterOrKlass)
@@ -46,8 +46,15 @@ module.exports = (function() {
       if(serial) {
         var emitter = serial.klass[serial.method].apply(serial.klass, serial.params)
         emitter.success(function() {
-          self.finishedEmits++
-          exec()
+          if(serial.options && serial.options.success) {
+            serial.options.success(serial.klass, function() {
+              self.finishedEmits++
+              exec()
+            })
+          } else {
+            self.finishedEmits++
+            exec()
+          }
         }).error(function(err) {
           self.finishedEmits++
           self.fails.push(err)

lib/sequelize.js

@@ -56,8 +56,8 @@ module.exports = (function() {
     return defineCall(this, DataTypes)
   }
 
-  Sequelize.prototype.migrate = function(_options) {
-    new Migrator(_options).migrate()
+  Sequelize.prototype.migrate = function(options) {
+    new Migrator(this, options).migrate()
   }
 
   Sequelize.prototype.query = function(sql, callee, options) {