use io.Writer

cli/state.go

@@ -6,6 +6,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"html/template"
+	"io"
 	"os"
 	"reflect"
 	"sort"
@@ -874,7 +875,7 @@ var stateComputeStateCmd = &cli.Command{
 				return c.Code, nil
 			}
 
-			return ComputeStateHTMLTempl(ts, stout, getCode)
+			return ComputeStateHTMLTempl(os.Stdout, ts, stout, getCode)
 		}
 
 		fmt.Println("computed state cid: ", stout.Root)
@@ -1081,7 +1082,7 @@ type compStateHTMLIn struct {
 	Comp   *api.ComputeStateOutput
 }
 
-func ComputeStateHTMLTempl(ts *types.TipSet, o *api.ComputeStateOutput, getCode func(addr address.Address) (cid.Cid, error)) error {
+func ComputeStateHTMLTempl(w io.Writer, ts *types.TipSet, o *api.ComputeStateOutput, getCode func(addr address.Address) (cid.Cid, error)) error {
 	t, err := template.New("compute_state").Funcs(map[string]interface{}{
 		"GetCode":    getCode,
 		"GetMethod":  getMethod,
@@ -1114,7 +1115,7 @@ func ComputeStateHTMLTempl(ts *types.TipSet, o *api.ComputeStateOutput, getCode
 		return err
 	}
 
-	return t.ExecuteTemplate(os.Stdout, "compute_state", &compStateHTMLIn{
+	return t.ExecuteTemplate(w, "compute_state", &compStateHTMLIn{
 		TipSet: ts,
 		Comp:   o,
 	})