Fix table handling in command-line util.

Author: rubenv

sql-migrate/command_common.go

@@ -17,8 +17,6 @@ func ApplyMigrations(dir migrate.MigrationDirection, dryrun bool, limit int) err
 		return err
 	}
 
-	migrate.SetTable(env.TableName)
-
 	source := migrate.FileMigrationSource{
 		Dir: env.Dir,
 	}

sql-migrate/config.go

@@ -8,6 +8,7 @@ import (
 	"io/ioutil"
 
 	"github.com/coopernurse/gorp"
+	"github.com/rubenv/sql-migrate"
 	"gopkg.in/yaml.v1"
 
 	_ "github.com/go-sql-driver/mysql"
@@ -74,6 +75,10 @@ func GetEnvironment() (*Environment, error) {
 		env.Dir = "migrations"
 	}
 
+	if env.TableName != "" {
+		migrate.SetTable(env.TableName)
+	}
+
 	return env, nil
 }