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Remove help_about in favor of mut_arg

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This commit is contained in:
Pavan Kumar Sunkara 2021-02-07 17:22:40 +00:00
parent b824e0b088
commit 3758bba5e2
3 changed files with 13 additions and 125 deletions
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1
CHANGELOG.md
View file

@ -24,7 +24,6 @@ TODO: `cargo`, `std` features
* **Added Methods**
* **App**
* `App::help_about`
* **Arg**
* `Arg::hide_env`
* **Added Settings**

37
src/build/app/mod.rs
View file

@ -73,7 +73,6 @@ pub struct App<'help> {
pub(crate) license: Option<&'help str>,
pub(crate) about: Option<&'help str>,
pub(crate) long_about: Option<&'help str>,
pub(crate) help_about: Option<&'help str>,
pub(crate) before_help: Option<&'help str>,
pub(crate) before_long_help: Option<&'help str>,
pub(crate) after_help: Option<&'help str>,
@ -495,29 +494,6 @@ impl<'help> App<'help> {
self
}
/// Sets the help text for the auto-generated help argument and subcommand.
///
/// By default clap sets this to "Prints help information" for the help
/// argument and "Prints this message or the help of the given subcommand(s)"
/// for the help subcommand but if you're using a different convention
/// for your help messages and would prefer a different phrasing you can
/// override it.
///
/// **NOTE:** This setting propagates to subcommands.
///
/// # Examples
///
/// ```no_run
/// # use clap::App;
/// App::new("myprog")
/// .help_about("Print help information") // Imperative tone
/// # ;
/// ```
pub fn help_about<S: Into<&'help str>>(mut self, help_about: S) -> Self {
self.help_about = Some(help_about.into());
self
}
/// (Re)Sets the program's name. This will be displayed when displaying help
/// or version messages.
///
@ -2423,9 +2399,6 @@ impl<'help> App<'help> {
$sc.g_settings = $sc.g_settings | $_self.g_settings;
$sc.term_w = $_self.term_w;
$sc.max_w = $_self.max_w;
if $sc.help_about.is_none() && $_self.help_about.is_some() {
$sc.help_about = $_self.help_about.clone();
}
}
}};
}
@ -2475,10 +2448,6 @@ impl<'help> App<'help> {
{
help.short = Some('h');
}
if self.help_about.is_some() {
help.about = self.help_about;
}
}
if self.is_set(AppSettings::DisableVersionFlag)
@ -2523,10 +2492,8 @@ impl<'help> App<'help> {
{
debug!("App::_check_help_and_version: Building help subcommand");
self.subcommands.push(
App::new("help").about(
self.help_about
.unwrap_or("Prints this message or the help of the given subcommand(s)"),
),
App::new("help")
.about("Prints this message or the help of the given subcommand(s)"),
);
}
}

100
tests/help.rs
View file

@ -2092,15 +2092,6 @@ fn after_help_no_args() {
assert_eq!(help, AFTER_HELP_NO_ARGS);
}
static HELP_ABOUT: &str = "myapp 1.0
USAGE:
myapp
FLAGS:
-h, --help Print custom help about text
-V, --version Prints version information";
static HELP_ABOUT_MULTI_SC: &str = "myapp-subcmd-multi 1.0
USAGE:
@ -2119,63 +2110,24 @@ FLAGS:
-h, --help Print custom help about text from multi
-V, --version Prints version information";
#[test]
fn help_about_short_flag() {
let app = App::new("myapp")
.version("1.0")
.help_about("Print custom help about text");
assert!(utils::compare_output(app, "myapp -h", HELP_ABOUT, false));
}
#[test]
fn help_about_long_flag() {
let app = App::new("myapp")
.version("1.0")
.help_about("Print custom help about text");
assert!(utils::compare_output(
app,
"myapp --help",
HELP_ABOUT,
false
));
}
#[test]
fn help_about_multi_subcmd() {
let app = App::new("myapp")
.help_about("Print custom help about text")
.mut_arg("help", |h| h.about("Print custom help about text"))
.subcommand(App::new("subcmd").subcommand(App::new("multi").version("1.0")));
assert!(utils::compare_output(
app,
app.clone(),
"myapp help subcmd multi",
HELP_ABOUT_MULTI_SC,
false
));
}
#[test]
fn help_about_multi_subcmd_short_flag() {
let app = App::new("myapp")
.help_about("Print custom help about text")
.subcommand(App::new("subcmd").subcommand(App::new("multi").version("1.0")));
assert!(utils::compare_output(
app,
app.clone(),
"myapp subcmd multi -h",
HELP_ABOUT_MULTI_SC,
false
));
}
#[test]
fn help_about_multi_subcmd_long_flag() {
let app = App::new("myapp")
.help_about("Print custom help about text")
.subcommand(App::new("subcmd").subcommand(App::new("multi").version("1.0")));
assert!(utils::compare_output(
app,
"myapp subcmd multi --help",
@ -2187,55 +2139,25 @@ fn help_about_multi_subcmd_long_flag() {
#[test]
fn help_about_multi_subcmd_override() {
let app = App::new("myapp")
.help_about("Print custom help about text")
.subcommand(
App::new("subcmd").subcommand(
App::new("multi")
.version("1.0")
.help_about("Print custom help about text from multi"),
),
);
.mut_arg("help", |h| h.about("Print custom help about text"))
.subcommand(App::new("subcmd").subcommand(
App::new("multi").version("1.0").mut_arg("help", |h| {
h.about("Print custom help about text from multi")
}),
));
assert!(utils::compare_output(
app,
app.clone(),
"myapp help subcmd multi",
HELP_ABOUT_MULTI_SC_OVERRIDE,
false
));
}
#[test]
fn help_about_multi_subcmd_override_short_flag() {
let app = App::new("myapp")
.help_about("Print custom help about text")
.subcommand(
App::new("subcmd").subcommand(
App::new("multi")
.version("1.0")
.help_about("Print custom help about text from multi"),
),
);
assert!(utils::compare_output(
app,
app.clone(),
"myapp subcmd multi -h",
HELP_ABOUT_MULTI_SC_OVERRIDE,
false
));
}
#[test]
fn help_about_multi_subcmd_override_long_flag() {
let app = App::new("myapp")
.help_about("Print custom help about text")
.subcommand(
App::new("subcmd").subcommand(
App::new("multi")
.version("1.0")
.help_about("Print custom help about text from multi"),
),
);
assert!(utils::compare_output(
app,
"myapp subcmd multi --help",