From eacb3de75920cf41a92f468dbeeea2d09c6940ac Mon Sep 17 00:00:00 2001
From: Seth Vargo <seth@sethvargo.com>
Date: Wed, 30 Aug 2017 12:48:54 -0400
Subject: [PATCH] More arbitrary function for wrapping at a length

---
 command/base.go | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/command/base.go b/command/base.go
index eda516fe45..7c4c2e92d8 100644
--- a/command/base.go
+++ b/command/base.go
@@ -1,11 +1,11 @@
 package command
 
 import (
-	"bufio"
 	"bytes"
 	"flag"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"regexp"
 	"strings"
 	"sync"
@@ -287,13 +287,13 @@ func printFlagDetail(w io.Writer, f *flag.Flag) {
 	}
 
 	usage := reRemoveWhitespace.ReplaceAllString(f.Usage, " ")
-	indented := wrapAtLength(usage, 6)
+	indented := wrapAtLengthWithPadding(usage, 6)
 	fmt.Fprintf(w, "%s\n\n", indented)
 }
 
-// wrapAtLength wraps the given text at the maxLineLength, taking into account
-// any provided left padding.
-func wrapAtLength(s string, pad int) string {
+// wrapAtLengthWithPadding wraps the given text at the maxLineLength, taking
+// into account any provided left padding.
+func wrapAtLengthWithPadding(s string, pad int) string {
 	wrapped := text.Wrap(s, maxLineLength-pad)
 	lines := strings.Split(wrapped, "\n")
 	for i, line := range lines {
@@ -302,6 +302,11 @@ func wrapAtLength(s string, pad int) string {
 	return strings.Join(lines, "\n")
 }
 
+// wrapAtLength wraps the given text to maxLineLength.
+func wrapAtLength(s string) string {
+	return wrapAtLengthWithPadding(s, 0)
+}
+
 // FlagSets is a group of flag sets.
 type FlagSets struct {
 	flagSets    []*FlagSet