Fix generator whitespaces

cmd/urfave-cli-genflags/generated.gotmpl

@@ -2,7 +2,7 @@
 
 package {{.PackageName}}
 
-{{range .SortedFlagTypes}}
+{{range .SortedFlagTypes -}}
 // {{.TypeName}} is a flag with type {{if .ValuePointer}}*{{end}}{{.GoType}}
 type {{.TypeName}} struct {
 	Name string
@@ -23,20 +23,20 @@ type {{.TypeName}} struct {
 	EnvVars []string
 
 	defaultValue {{if .ValuePointer}}*{{end}}{{.GoType}}
-
-	{{range .StructFields}}
+{{ range .StructFields}}
 	{{.Name}} {{if .Pointer}}*{{end}}{{.Type}}
-	{{end}}
+{{end -}}
 }
 
-{{if .GenerateFmtStringerInterface}}
+{{if .GenerateFmtStringerInterface -}}
 // String returns a readable representation of this value (for usage defaults)
 func (f *{{.TypeName}}) String() string {
 	return {{$.UrfaveCLINamespace}}FlagStringer(f)
 }
+
 {{end}}{{/* /if .GenerateFmtStringerInterface */}}
 
-{{if .GenerateFlagInterface}}
+{{- if .GenerateFlagInterface -}}
 // IsSet returns whether or not the flag has been set through env or file
 func (f *{{.TypeName}}) IsSet() bool {
 	return f.HasBeenSet
@@ -49,22 +49,23 @@ func (f *{{.TypeName}}) Names() []string {
 
 {{end}}{{/* /if .GenerateFlagInterface */}}
 
-{{if .GenerateRequiredFlagInterface}}
+{{- if .GenerateRequiredFlagInterface -}}
 // IsRequired returns whether or not the flag is required
 func (f *{{.TypeName}}) IsRequired() bool {
 	return f.Required
 }
+
 {{end}}{{/* /if .GenerateRequiredFlagInterface */}}
 
-{{if .GenerateVisibleFlagInterface}}
+{{- if .GenerateVisibleFlagInterface -}}
 // IsVisible returns true if the flag is not hidden, otherwise false
 func (f *{{.TypeName}}) IsVisible() bool {
 	return !f.Hidden
 }
 {{end}}{{/* /if .GenerateVisibleFlagInterface */}}
 {{end}}{{/* /range .SortedFlagTypes */}}
 
-// vim{{/* 👻 */}}:ro
-{{/*
+{{- "// vim"}}:ro
+{{- /* 👻
 vim:filetype=gotexttmpl
 */}}