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Add support for :path

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This commit is contained in:
Jonathan Turner 2019-10-29 07:40:34 +13:00
parent bc309705a9
commit 53911ebecd
2 changed files with 24 additions and 7 deletions
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9
src/commands/command.rs
View File

@ -589,12 +589,14 @@ impl Command {
out.to_output_stream()
} else {
let nothing = Value::nothing().tagged(Tag::unknown());
let call_info = raw_args
.clone()
.call_info
.evaluate(&registry, &Scope::it_value(nothing.clone()))
.unwrap();
.evaluate(&registry, &Scope::it_value(nothing.clone()));
match call_info {
Ok(call_info) => {
match command
.run(&call_info, &registry, &raw_args, nothing)
.into()
@ -603,6 +605,9 @@ impl Command {
Err(e) => OutputStream::one(Err(e)),
}
}
Err(e) => OutputStream::one(Err(e)),
}
}
}
pub fn is_binary(&self) -> bool {

12
src/evaluate/evaluator.rs
View File

@ -177,6 +177,18 @@ fn evaluate_reference(
let config = crate::data::config::read(tag.clone(), &None)?;
Ok(Value::row(config).tagged(tag))
}
x if x == "nu:path" => {
let mut table = vec![];
match std::env::var_os("PATH") {
Some(paths) => {
for path in std::env::split_paths(&paths) {
table.push(Value::path(path).tagged(&tag));
}
}
_ => {}
}
Ok(Value::table(&table).tagged(tag))
}
x => Ok(scope
.vars
.get(x)