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Simplify and improve listing for which. (#1510)

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* Simplified implementation
* Show executables, even if the current user doesn't have permissions to
  execute them.
This commit is contained in:
Jason Gedge 2020-03-22 09:11:39 -04:00 committed by GitHub
parent a7ec00a037
commit 36b5d063c1
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 52 deletions
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62
crates/nu-cli/src/commands/which_.rs
View File

@ -87,66 +87,24 @@ fn which(
application.item.clone() application.item.clone()
}; };
if all { let stream = async_stream! {
let stream = async_stream! { if !external {
if external {
if let Ok(Some(path)) = ichwh::which(&item).await {
yield ReturnSuccess::value(entry_path!(item, path.into(), application.tag.clone()));
}
}
let builtin = commands.has(&item); let builtin = commands.has(&item);
if builtin { if builtin {
yield ReturnSuccess::value(entry_builtin!(item, application.tag.clone())); yield ReturnSuccess::value(entry_builtin!(item, application.tag.clone()));
} }
}
if let Ok(paths) = ichwh::which_all(&item).await { if let Ok(paths) = ichwh::which_all(&item).await {
if !builtin && paths.len() == 0 { for path in paths {
yield Err(ShellError::labeled_error( yield ReturnSuccess::value(entry_path!(item, path.into(), application.tag.clone()));
"Binary not found for argument, and argument is not a builtin",
"not found",
&application.tag,
));
} else {
for path in paths {
yield ReturnSuccess::value(entry_path!(item, path.into(), application.tag.clone()));
}
}
} else {
yield Err(ShellError::labeled_error(
"Error trying to find binary for argument",
"error",
&application.tag,
));
} }
}; }
};
if all {
Ok(stream.to_output_stream()) Ok(stream.to_output_stream())
} else { } else {
let stream = async_stream! { Ok(stream.take(1).to_output_stream())
if external {
if let Ok(Some(path)) = ichwh::which(&item).await {
yield ReturnSuccess::value(entry_path!(item, path.into(), application.tag.clone()));
}
} else if commands.has(&item) {
yield ReturnSuccess::value(entry_builtin!(item, application.tag.clone()));
} else {
match ichwh::which(&item).await {
Ok(Some(path)) => yield ReturnSuccess::value(entry_path!(item, path.into(), application.tag.clone())),
Ok(None) => yield Err(ShellError::labeled_error(
"Binary not found for argument, and argument is not a builtin",
"not found",
&application.tag,
)),
Err(_) => yield Err(ShellError::labeled_error(
"Error trying to find binary for argument",
"error",
&application.tag,
)),
}
}
};
Ok(stream.to_output_stream())
} }
} }