3 files changed, 6 insertions, 23 deletions
diff --git a/vendor/github.com/urfave/cli/flag.go b/vendor/github.com/urfave/cli/flag.go
index b17f5b9..877ff35 100644
--- a/vendor/github.com/urfave/cli/flag.go
+++ b/vendor/github.com/urfave/cli/flag.go
@@ -37,14 +37,6 @@ var HelpFlag Flag = BoolFlag{
 // to display a flag.
 var FlagStringer FlagStringFunc = stringifyFlag
 
-// FlagNamePrefixer converts a full flag name and its placeholder into the help
-// message flag prefix. This is used by the default FlagStringer.
-var FlagNamePrefixer FlagNamePrefixFunc = prefixedNames
-
-// FlagEnvHinter annotates flag help message with the environment variable
-// details. This is used by the default FlagStringer.
-var FlagEnvHinter FlagEnvHintFunc = withEnvHint
-
 // FlagsByName is a slice of Flag.
 type FlagsByName []Flag
 
@@ -718,13 +710,13 @@ func stringifyFlag(f Flag) string {
 
 	switch f.(type) {
 	case IntSliceFlag:
-		return FlagEnvHinter(fv.FieldByName("EnvVar").String(),
+		return withEnvHint(fv.FieldByName("EnvVar").String(),
 			stringifyIntSliceFlag(f.(IntSliceFlag)))
 	case Int64SliceFlag:
-		return FlagEnvHinter(fv.FieldByName("EnvVar").String(),
+		return withEnvHint(fv.FieldByName("EnvVar").String(),
 			stringifyInt64SliceFlag(f.(Int64SliceFlag)))
 	case StringSliceFlag:
-		return FlagEnvHinter(fv.FieldByName("EnvVar").String(),
+		return withEnvHint(fv.FieldByName("EnvVar").String(),
 			stringifyStringSliceFlag(f.(StringSliceFlag)))
 	}
 
@@ -752,8 +744,8 @@ func stringifyFlag(f Flag) string {
 
 	usageWithDefault := strings.TrimSpace(fmt.Sprintf("%s%s", usage, defaultValueString))
 
-	return FlagEnvHinter(fv.FieldByName("EnvVar").String(),
-		fmt.Sprintf("%s\t%s", FlagNamePrefixer(fv.FieldByName("Name").String(), placeholder), usageWithDefault))
+	return withEnvHint(fv.FieldByName("EnvVar").String(),
+		fmt.Sprintf("%s\t%s", prefixedNames(fv.FieldByName("Name").String(), placeholder), usageWithDefault))
 }
 
 func stringifyIntSliceFlag(f IntSliceFlag) string {
@@ -803,5 +795,5 @@ func stringifySliceFlag(usage, name string, defaultVals []string) string {
 	}
 
 	usageWithDefault := strings.TrimSpace(fmt.Sprintf("%s%s", usage, defaultVal))
-	return fmt.Sprintf("%s\t%s", FlagNamePrefixer(name, placeholder), usageWithDefault)
+	return fmt.Sprintf("%s\t%s", prefixedNames(name, placeholder), usageWithDefault)
 }
diff --git a/vendor/github.com/urfave/cli/funcs.go b/vendor/github.com/urfave/cli/funcs.go
index 3ad3c6d..cba5e6c 100644
--- a/vendor/github.com/urfave/cli/funcs.go
+++ b/vendor/github.com/urfave/cli/funcs.go
@@ -26,11 +26,3 @@ type OnUsageErrorFunc func(context *Context, err error, isSubcommand bool) error
 // FlagStringFunc is used by the help generation to display a flag, which is
 // expected to be a single line.
 type FlagStringFunc func(Flag) string
-
-// FlagNamePrefixFunc is used by the default FlagStringFunc to create prefix
-// text for a flag's full name.
-type FlagNamePrefixFunc func(fullName, placeholder string) string
-
-// FlagEnvHintFunc is used by the default FlagStringFunc to annotate flag help
-// with the environment variable details.
-type FlagEnvHintFunc func(envVar, str string) string
diff --git a/vendor/github.com/urfave/cli/help.go b/vendor/github.com/urfave/cli/help.go
index ed084fc..57ec98d 100644
--- a/vendor/github.com/urfave/cli/help.go
+++ b/vendor/github.com/urfave/cli/help.go
@@ -29,7 +29,6 @@ AUTHOR{{with $length := len .Authors}}{{if ne 1 $length}}S{{end}}{{end}}:
    {{end}}{{$author}}{{end}}{{end}}{{if .VisibleCommands}}
 
 COMMANDS:{{range .VisibleCategories}}{{if .Name}}
-
    {{.Name}}:{{end}}{{range .VisibleCommands}}
      {{join .Names ", "}}{{"\t"}}{{.Usage}}{{end}}{{end}}{{end}}{{if .VisibleFlags}}