Add helmfile-fetch command to downloading and generating charts (#1734)

pkg/state/state.go

@@ -896,6 +896,7 @@ type ChartPrepareOptions struct {
 	SkipResolve   bool
 	Wait          bool
 	WaitForJobs   bool
+	OutputDir     string
 }
 
 type chartPrepareResult struct {

pkg/state/temp_test.go

@@ -1,8 +1,9 @@
 package state
 
 import (
-	"github.com/google/go-cmp/cmp"
 	"testing"
+
+	"github.com/google/go-cmp/cmp"
 )
 
 func TestGenerateID(t *testing.T) {