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Use clap::ArgAction in true and false

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This commit is contained in:
Jaroslaw Konik 2022-08-06 16:16:09 +02:00
parent c401b35fdd
commit 025a0dfa9e
2 changed files with 24 additions and 20 deletions
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22
src/uu/false/src/false.rs
View file

@ -4,7 +4,7 @@
// *
// * For the full copyright and license information, please view the LICENSE
// * file that was distributed with this source code.
use clap::{Arg, Command};
use clap::{Arg, ArgAction, Command};
use std::io::Write;
use uucore::error::{set_exit_code, UResult};
@ -26,13 +26,13 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
// and unwind through the standard library allocation handling machinery.
set_exit_code(1);
if let Ok(matches) = command.try_get_matches_from_mut(args) {
let error = if matches.index_of("help").is_some() {
command.print_help()
} else if matches.index_of("version").is_some() {
writeln!(std::io::stdout(), "{}", command.render_version())
} else {
Ok(())
if let Err(e) = command.try_get_matches_from_mut(args) {
let error = match e.kind() {
clap::ErrorKind::DisplayHelp => command.print_help(),
clap::ErrorKind::DisplayVersion => {
writeln!(std::io::stdout(), "{}", command.render_version())
}
_ => Ok(()),
};
// Try to display this error.
@ -56,11 +56,13 @@ pub fn uu_app<'a>() -> Command<'a> {
Arg::new("help")
.long("help")
.help("Print help information")
.exclusive(true),
.exclusive(true)
.action(ArgAction::Help),
)
.arg(
Arg::new("version")
.long("version")
.help("Print version information"),
.help("Print version information")
.action(ArgAction::Version),
)
}

22
src/uu/true/src/true.rs
View file

@ -4,7 +4,7 @@
// *
// * For the full copyright and license information, please view the LICENSE
// * file that was distributed with this source code.
use clap::{Arg, Command};
use clap::{Arg, ArgAction, Command};
use std::io::Write;
use uucore::error::{set_exit_code, UResult};
@ -20,13 +20,13 @@ operation causes the program to return `1` instead.
pub fn uumain(args: impl uucore::Args) -> UResult<()> {
let mut command = uu_app();
if let Ok(matches) = command.try_get_matches_from_mut(args) {
let error = if matches.index_of("help").is_some() {
command.print_help()
} else if matches.index_of("version").is_some() {
writeln!(std::io::stdout(), "{}", command.render_version())
} else {
Ok(())
if let Err(e) = command.try_get_matches_from_mut(args) {
let error = match e.kind() {
clap::ErrorKind::DisplayHelp => command.print_help(),
clap::ErrorKind::DisplayVersion => {
writeln!(std::io::stdout(), "{}", command.render_version())
}
_ => Ok(()),
};
if let Err(print_fail) = error {
@ -53,11 +53,13 @@ pub fn uu_app<'a>() -> Command<'a> {
Arg::new("help")
.long("help")
.help("Print help information")
.exclusive(true),
.exclusive(true)
.action(ArgAction::Help),
)
.arg(
Arg::new("version")
.long("version")
.help("Print version information"),
.help("Print version information")
.action(ArgAction::Version),
)
}