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Add exit code argument (#3132)

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This commit is contained in:
Tiffany Bennett
2021-03-05 21:46:27 -08:00
committed by GitHub
parent 983de8974b
commit d43489a6a0
5 changed files with 55 additions and 12 deletions
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22
crates/nu-command/src/commands/exit.rs
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@ -1,6 +1,6 @@
use crate::prelude::*;
use nu_errors::ShellError;
use nu_protocol::{CommandAction, ReturnSuccess, Signature};
use nu_protocol::{CommandAction, ReturnSuccess, Signature, SyntaxShape};
pub struct Exit;
@ -11,7 +11,13 @@ impl WholeStreamCommand for Exit {
}
fn signature(&self) -> Signature {
Signature::build("exit").switch("now", "exit out of the shell immediately", Some('n'))
Signature::build("exit")
.optional(
"code",
SyntaxShape::Number,
"Status code to return if this was the last shell or --now was specified",
)
.switch("now", "Exit out of the shell immediately", Some('n'))
}
fn usage(&self) -> &str {
@ -41,10 +47,16 @@ impl WholeStreamCommand for Exit {
pub async fn exit(args: CommandArgs) -> Result<OutputStream, ShellError> {
let args = args.evaluate_once().await?;
let command_action = if args.call_info.args.has("now") {
CommandAction::Exit
let code = if let Some(value) = args.call_info.args.nth(0) {
value.as_i32()?
} else {
CommandAction::LeaveShell
0
};
let command_action = if args.call_info.args.has("now") {
CommandAction::Exit(code)
} else {
CommandAction::LeaveShell(code)
};
Ok(OutputStream::one(ReturnSuccess::action(command_action)))