cmd: use SetIndent(2) to dump yaml subcommands

Signed-off-by: Koichi Shiraishi <[email protected]>

cmd/config.go

@@ -3,6 +3,7 @@ package cmd
 import (
 	"fmt"
 	"io/ioutil"
+	"strings"
 
 	"github.com/CircleCI-Public/circleci-cli/api"
 	"github.com/CircleCI-Public/circleci-cli/api/graphql"
@@ -193,11 +194,13 @@ func packConfig(opts configOptions) error {
 		return errors.Wrap(err, "An error occurred trying to build the tree")
 	}
 
-	y, err := yaml.Marshal(&tree)
-	if err != nil {
+	var s strings.Builder
+	enc := yaml.NewEncoder(&s)
+	enc.SetIndent(2)
+	if err := enc.Encode(&tree); err != nil {
 		return errors.Wrap(err, "Failed trying to marshal the tree to YAML ")
 	}
-	fmt.Printf("%s\n", string(y))
+	fmt.Print(s.String())
 	return nil
 }
 

cmd/orb.go

@@ -1011,12 +1011,14 @@ func packOrb(path string) (string, error) {
 		return "", err
 	}
 
-	final, err := yaml.Marshal(&orbSchema)
-	if err != nil {
+	var s strings.Builder
+	enc := yaml.NewEncoder(&s)
+	enc.SetIndent(2)
+	if err := enc.Encode(&orbSchema); err != nil {
 		return "", errors.Wrap(err, "Failed trying to marshal Orb YAML")
 	}
 
-	return string(final), nil
+	return s.String(), nil
 }
 
 // Travel down a YAML node, replacing values as we go.