format and mod tidy for generated model (#677)

soda/cmd/generate/model_cmd.go

@@ -2,10 +2,13 @@ package generate
 
 import (
 	"context"
+	"os"
+	"os/exec"
 
 	"github.com/gobuffalo/attrs"
 	"github.com/gobuffalo/fizz"
 	"github.com/gobuffalo/genny/v2"
+	"github.com/gobuffalo/genny/v2/gogen"
 	"github.com/gobuffalo/logger"
 	"github.com/gobuffalo/pop/v6"
 	"github.com/gobuffalo/pop/v6/genny/fizz/ctable"
@@ -67,9 +70,23 @@ var ModelCmd = &cobra.Command{
 		if err != nil {
 			return err
 		}
+		run.With(g)
 
+		// format generated go files
+		pwd, _ := os.Getwd()
+		g, err = gogen.Fmt(pwd)
+		if err != nil {
+			return err
+		}
 		run.With(g)
 
+		// generated modules may have new dependencies
+		if _, err := os.Stat("go.mod"); err == nil {
+			g = genny.New()
+			g.Command(exec.Command("go", "mod", "tidy"))
+			run.With(g)
+		}
+
 		// Mount migrations generator
 		if !modelCmdConfig.SkipMigration {
 			p := cmd.Flag("path")