close file after using (#435)

config.go

@@ -48,6 +48,7 @@ func LoadConfigFile() error {
 	if err != nil {
 		return err
 	}
+	defer f.Close()
 	return LoadFrom(f)
 }
 

file_migrator.go

@@ -1,9 +1,10 @@
 package pop
 
 import (
-	"github.com/pkg/errors"
 	"os"
 	"path/filepath"
+
+	"github.com/pkg/errors"
 )
 
 // FileMigrator is a migrator for SQL and Fizz
@@ -26,6 +27,7 @@ func NewFileMigrator(path string, c *Connection) (FileMigrator, error) {
 		if err != nil {
 			return err
 		}
+		defer f.Close()
 		content, err := MigrationContent(mf, tx, f, true)
 		if err != nil {
 			return errors.Wrapf(err, "error processing %s", mf.Path)

soda/cmd/schema/load.go

@@ -28,6 +28,7 @@ var LoadCmd = &cobra.Command{
 		if err != nil {
 			return errors.WithMessage(err, "unable to load schema file")
 		}
+		defer f.Close()
 
 		c, err := pop.Connect(loadOptions.env)
 		if err != nil {