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Merge pull request #1430 from FGYFFFF/fix/stop_auto_sort_for_help

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fix: stop automatic sorting for --help
main
dearchap 2 years ago committed by GitHub
parent f64acc4404 bffaf3b78c
commit f37b9d9b60
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GPG Key ID: 4AEE18F83AFDEB23
11 changed files with 94 additions and 31 deletions
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4
app.go
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@ -229,7 +229,9 @@ func (a *App) Setup() {
a.flagCategories = newFlagCategories()
for _, fl := range a.Flags {
if cf, ok := fl.(CategorizableFlag); ok {
a.flagCategories.AddFlag(cf.GetCategory(), cf)
if cf.GetCategory() != "" {
a.flagCategories.AddFlag(cf.GetCategory(), cf)
}
}
}

33
app_test.go
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@ -144,8 +144,8 @@ func ExampleApp_Run_appHelp() {
// help, h Shows a list of commands or help for one command
//
// GLOBAL OPTIONS:
// --help, -h show help (default: false)
// --name value a name to say (default: "bob")
// --help, -h show help (default: false)
// --version, -v print the version (default: false)
}
@ -177,7 +177,7 @@ func ExampleApp_Run_commandHelp() {
// greet describeit - use it to see a description
//
// USAGE:
// greet describeit [arguments...]
// greet describeit [command options] [arguments...]
//
// DESCRIPTION:
// This is how we describe describeit the function
@ -2242,10 +2242,33 @@ func TestApp_VisibleCategories(t *testing.T) {
}
func TestApp_VisibleFlagCategories(t *testing.T) {
app := &App{}
app := &App{
Flags: []Flag{
&StringFlag{
Name: "strd", // no category set
},
&Int64Flag{
Name: "intd",
Aliases: []string{"altd1", "altd2"},
Category: "cat1",
},
},
}
app.Setup()
vfc := app.VisibleFlagCategories()
if len(vfc) != 0 {
t.Errorf("unexpected visible flag categories %+v", vfc)
if len(vfc) != 1 {
t.Fatalf("unexpected visible flag categories %+v", vfc)
}
if vfc[0].Name() != "cat1" {
t.Errorf("expected category name cat1 got %s", vfc[0].Name())
}
if len(vfc[0].Flags()) != 1 {
t.Fatalf("expected flag category to have just one flag got %+v", vfc[0].Flags())
}
fl := vfc[0].Flags()[0]
if !reflect.DeepEqual(fl.Names(), []string{"intd", "altd1", "altd2"}) {
t.Errorf("unexpected flag %+v", fl.Names())
}
}

4
category.go
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@ -102,7 +102,9 @@ func newFlagCategoriesFromFlags(fs []Flag) FlagCategories {
fc := newFlagCategories()
for _, fl := range fs {
if cf, ok := fl.(CategorizableFlag); ok {
fc.AddFlag(cf.GetCategory(), cf)
if cf.GetCategory() != "" {
fc.AddFlag(cf.GetCategory(), cf)
}
}
}

7
command.go
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@ -309,12 +309,7 @@ func (c *Command) VisibleCommands() []*Command {
// VisibleFlagCategories returns a slice containing all the visible flag categories with the flags they contain
func (c *Command) VisibleFlagCategories() []VisibleFlagCategory {
if c.flagCategories == nil {
c.flagCategories = newFlagCategories()
for _, fl := range c.Flags {
if cf, ok := fl.(CategorizableFlag); ok {
c.flagCategories.AddFlag(cf.GetCategory(), cf)
}
}
c.flagCategories = newFlagCategoriesFromFlags(c.Flags)
}
return c.flagCategories.VisibleCategories()
}

35
command_test.go
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@ -6,6 +6,7 @@ import (
"flag"
"fmt"
"io/ioutil"
"reflect"
"strings"
"testing"
)
@ -449,3 +450,37 @@ func TestCommand_VisibleSubcCommands(t *testing.T) {
expect(t, c.VisibleCommands(), []*Command{subc1, subc3})
}
func TestCommand_VisibleFlagCategories(t *testing.T) {
c := &Command{
Name: "bar",
Usage: "this is for testing",
Flags: []Flag{
&StringFlag{
Name: "strd", // no category set
},
&Int64Flag{
Name: "intd",
Aliases: []string{"altd1", "altd2"},
Category: "cat1",
},
},
}
vfc := c.VisibleFlagCategories()
if len(vfc) != 1 {
t.Fatalf("unexpected visible flag categories %+v", vfc)
}
if vfc[0].Name() != "cat1" {
t.Errorf("expected category name cat1 got %s", vfc[0].Name())
}
if len(vfc[0].Flags()) != 1 {
t.Fatalf("expected flag category to have just one flag got %+v", vfc[0].Flags())
}
fl := vfc[0].Flags()[0]
if !reflect.DeepEqual(fl.Names(), []string{"intd", "altd1", "altd2"}) {
t.Errorf("unexpected flag %+v", fl.Names())
}
}

2
docs/v2/examples/flags.md
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@ -239,7 +239,7 @@ For example this:
<!-- {
"args": ["&#45;&#45;help"],
"output": ".*Load configuration from FILE\n.*\n.*Language for the greeting.*"
"output": ".*Load configuration from FILE\n.*Language for the greeting.*"
} -->
```go
package main

6
godoc-current.txt
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@ -73,7 +73,8 @@ DESCRIPTION:
OPTIONS:{{template "visibleFlagCategoryTemplate" .}}{{else if .VisibleFlags}}
OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}`
OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}
`
CommandHelpTemplate is the text template for the command help topic. cli.go
uses text/template to render templates. You can render custom help text by
setting this variable.
@ -144,7 +145,8 @@ COMMANDS:{{template "visibleCommandTemplate" .}}{{end}}{{if .VisibleFlagCategori
OPTIONS:{{template "visibleFlagCategoryTemplate" .}}{{else if .VisibleFlags}}
OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}`
OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}
`
SubcommandHelpTemplate is the text template for the subcommand help topic.
cli.go uses text/template to render templates. You can render custom help
text by setting this variable.

6
help.go
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@ -242,11 +242,7 @@ func ShowCommandHelp(ctx *Context, command string) error {
c.Subcommands = append(c.Subcommands, helpCommandDontUse)
}
if !ctx.App.HideHelp && HelpFlag != nil {
if c.flagCategories == nil {
c.flagCategories = newFlagCategoriesFromFlags([]Flag{HelpFlag})
} else {
c.flagCategories.AddFlag("", HelpFlag)
}
c.appendFlag(HelpFlag)
}
templ := c.CustomHelpTemplate
if templ == "" {

12
help_test.go
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@ -1366,7 +1366,8 @@ DESCRIPTION:
case
OPTIONS:
--help, -h show help (default: false)
--help, -h show help
(default: false)
`
if output.String() != expected {
@ -1435,7 +1436,8 @@ USAGE:
even more
OPTIONS:
--help, -h show help (default: false)
--help, -h show help
(default: false)
`
if output.String() != expected {
@ -1510,8 +1512,10 @@ USAGE:
even more
OPTIONS:
--help, -h show help (default: false)
--test-f value my test usage
--test-f value my test
usage
--help, -h show help
(default: false)
`
if output.String() != expected {

10
template.go
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@ -18,8 +18,8 @@ var visibleFlagCategoryTemplate = `{{range .VisibleFlagCategories}}
{{else}}{{$e}}
{{end}}{{end}}{{end}}`
var visibleFlagTemplate = `{{range $index, $option := .VisibleFlags}}{{if $index}}{{end}}
{{wrap $option.String 6}}{{end}}`
var visibleFlagTemplate = `{{range $i, $e := .VisibleFlags}}
{{wrap $e.String 6}}{{end}}`
var versionTemplate = `{{if .Version}}{{if not .HideVersion}}
@ -73,7 +73,8 @@ DESCRIPTION:
OPTIONS:{{template "visibleFlagCategoryTemplate" .}}{{else if .VisibleFlags}}
OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}`
OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}
`
// SubcommandHelpTemplate is the text template for the subcommand help topic.
// cli.go uses text/template to render templates. You can
@ -91,7 +92,8 @@ COMMANDS:{{template "visibleCommandTemplate" .}}{{end}}{{if .VisibleFlagCategori
OPTIONS:{{template "visibleFlagCategoryTemplate" .}}{{else if .VisibleFlags}}
OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}`
OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}
`
var MarkdownDocTemplate = `{{if gt .SectionNum 0}}% {{ .App.Name }} {{ .SectionNum }}

6
testdata/godoc-v2.x.txt vendored
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@ -73,7 +73,8 @@ DESCRIPTION:
OPTIONS:{{template "visibleFlagCategoryTemplate" .}}{{else if .VisibleFlags}}
OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}`
OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}
`
CommandHelpTemplate is the text template for the command help topic. cli.go
uses text/template to render templates. You can render custom help text by
setting this variable.
@ -144,7 +145,8 @@ COMMANDS:{{template "visibleCommandTemplate" .}}{{end}}{{if .VisibleFlagCategori
OPTIONS:{{template "visibleFlagCategoryTemplate" .}}{{else if .VisibleFlags}}
OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}`
OPTIONS:{{template "visibleFlagTemplate" .}}{{end}}
`
SubcommandHelpTemplate is the text template for the subcommand help topic.
cli.go uses text/template to render templates. You can render custom help
text by setting this variable.

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