dep ensure for Prometheus deps

vendor/github.com/spf13/cobra/doc/man_examples_test.go

@@ -0,0 +1,35 @@
+package doc_test
+
+import (
+	"bytes"
+	"fmt"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/cobra/doc"
+)
+
+func ExampleGenManTree() {
+	cmd := &cobra.Command{
+		Use:   "test",
+		Short: "my test program",
+	}
+	header := &doc.GenManHeader{
+		Title:   "MINE",
+		Section: "3",
+	}
+	doc.GenManTree(cmd, header, "/tmp")
+}
+
+func ExampleGenMan() {
+	cmd := &cobra.Command{
+		Use:   "test",
+		Short: "my test program",
+	}
+	header := &doc.GenManHeader{
+		Title:   "MINE",
+		Section: "3",
+	}
+	out := new(bytes.Buffer)
+	doc.GenMan(cmd, header, out)
+	fmt.Print(out.String())
+}