2021-11-16 00:16:06 +01:00
|
|
|
use nu_protocol::ast::Call;
|
|
|
|
use nu_protocol::engine::{Command, EngineState, Stack};
|
2022-02-21 16:32:31 +01:00
|
|
|
use nu_protocol::{Category, Example, PipelineData, Signature, Span, SyntaxShape, Value};
|
2021-11-16 00:16:06 +01:00
|
|
|
|
|
|
|
#[derive(Clone)]
|
|
|
|
pub struct ExportEnv;
|
|
|
|
|
|
|
|
impl Command for ExportEnv {
|
|
|
|
fn name(&self) -> &str {
|
|
|
|
"export env"
|
|
|
|
}
|
|
|
|
|
|
|
|
fn usage(&self) -> &str {
|
|
|
|
"Export a block from a module that will be evaluated as an environment variable when imported."
|
|
|
|
}
|
|
|
|
|
|
|
|
fn signature(&self) -> nu_protocol::Signature {
|
|
|
|
Signature::build("export env")
|
|
|
|
.required(
|
|
|
|
"name",
|
|
|
|
SyntaxShape::String,
|
|
|
|
"name of the environment variable",
|
|
|
|
)
|
|
|
|
.required(
|
|
|
|
"block",
|
|
|
|
SyntaxShape::Block(Some(vec![])),
|
|
|
|
"body of the environment variable definition",
|
|
|
|
)
|
2021-11-17 05:22:37 +01:00
|
|
|
.category(Category::Core)
|
2021-11-16 00:16:06 +01:00
|
|
|
}
|
|
|
|
|
2022-03-26 20:22:45 +01:00
|
|
|
fn extra_usage(&self) -> &str {
|
|
|
|
r#"This command is a parser keyword. For details, check
|
|
|
|
https://www.nushell.sh/book/thinking_in_nushell.html#parsing-and-evaluation-are-different-stages"#
|
|
|
|
}
|
|
|
|
|
|
|
|
fn is_parser_keyword(&self) -> bool {
|
|
|
|
true
|
|
|
|
}
|
|
|
|
|
2021-11-16 00:16:06 +01:00
|
|
|
fn run(
|
|
|
|
&self,
|
|
|
|
_engine_state: &EngineState,
|
|
|
|
_stack: &mut Stack,
|
|
|
|
call: &Call,
|
|
|
|
_input: PipelineData,
|
|
|
|
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
|
|
|
|
//TODO: Add the env to stack
|
|
|
|
Ok(PipelineData::new(call.head))
|
|
|
|
}
|
2022-02-21 16:32:31 +01:00
|
|
|
|
|
|
|
fn examples(&self) -> Vec<Example> {
|
|
|
|
vec![Example {
|
|
|
|
description: "Import and evaluate environment variable from a module",
|
|
|
|
example: r#"module foo { export env FOO_ENV { "BAZ" } }; use foo FOO_ENV; $env.FOO_ENV"#,
|
|
|
|
result: Some(Value::String {
|
|
|
|
val: "BAZ".to_string(),
|
|
|
|
span: Span::test_data(),
|
|
|
|
}),
|
|
|
|
}]
|
|
|
|
}
|
2021-11-16 00:16:06 +01:00
|
|
|
}
|