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Start support for commandline args to nu itself (#851)

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* cmdline args wip

* WIP

* redirect working

* Add help and examples

* Only show flags in signature of more than help
This commit is contained in:
JT
2022-01-26 09:42:39 -05:00
committed by GitHub
parent 285f65ba34
commit 8ee619954d
9 changed files with 307 additions and 97 deletions
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16
crates/nu-protocol/src/signature.rs
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@ -279,6 +279,14 @@ impl Signature {
one_liner.push_str(&self.name);
one_liner.push(' ');
// Note: the call signature needs flags first because on the nu commandline,
// flags will precede the script file name. Flags for internal commands can come
// either before or after (or around) positional parameters, so there isn't a strong
// preference, so we default to the more constrained example.
if self.named.len() > 1 {
one_liner.push_str("{flags} ");
}
for positional in &self.required_positional {
one_liner.push_str(&get_positional_short_name(positional, true));
}
@ -286,18 +294,14 @@ impl Signature {
one_liner.push_str(&get_positional_short_name(positional, false));
}
if self.rest_positional.is_some() {
one_liner.push_str("...args ");
if let Some(rest) = &self.rest_positional {
one_liner.push_str(&format!("...{}", get_positional_short_name(rest, false)));
}
// if !self.subcommands.is_empty() {
// one_liner.push_str("<subcommand> ");
// }
if !self.named.is_empty() {
one_liner.push_str("{flags} ");
}
one_liner
}