Merge pull request #61523 from dixudx/formatter_escape_percent_sign

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. escape literal percent sign when formatting **What this PR does / why we need it**: **Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*: Fixes #61503 **Special notes for your reviewer**: /assign @janetkuo @liggitt /cc @kubernetes/sig-cli-bugs **Release note**: ```release-note escape literal percent sign when formatting ```

Merge pull request #61523 from dixudx/formatter_escape_percent_sign
3a2fe7b8 · Kubernetes Submit Queue · GitHub · 86a58202 · d0dbd94d · 3a2fe7b8
Unverified Commit 3a2fe7b8 authored Mar 26, 2018 by Kubernetes Submit Queue Committed by GitHub Mar 26, 2018
Hide whitespace changes
Inline Side-by-side

Showing with 5 additions and 1 deletion

formatter.go pkg/kubectl/explain/formatter.go +5 -1

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--- a/pkg/kubectl/explain/formatter.go
+++ b/pkg/kubectl/explain/formatter.go
@@ -48,7 +48,11 @@ func (f *Formatter) Write(str string, a ...interface{}) error {
 	for i := 0; i < f.IndentLevel; i++ {
 		indent = indent + " "
 	}
-	_, err := io.WriteString(f.Writer, indent+fmt.Sprintf(str, a...)+"\n")
+
+	if len(a) > 0 {
+		str = fmt.Sprintf(str, a...)
+	}
+	_, err := io.WriteString(f.Writer, indent+str+"\n")
 	return err
 }