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67 lines
1.9 KiB
Rust
67 lines
1.9 KiB
Rust
use std::{
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io::Write,
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process::{Command, Stdio},
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};
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use embed_nu::{
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nu_protocol::{ShellError, Signature, SyntaxShape},
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CallExt, PipelineData,
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};
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#[derive(Clone)]
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pub struct RunCommand;
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impl embed_nu::nu_protocol::engine::Command for RunCommand {
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fn name(&self) -> &str {
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"run"
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}
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fn signature(&self) -> embed_nu::nu_protocol::Signature {
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Signature::new("run")
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.required("executable", SyntaxShape::String, "The executable to run")
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.rest(
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"rest",
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SyntaxShape::String,
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"the args for the given command",
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)
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.allows_unknown_args()
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.category(embed_nu::nu_protocol::Category::Custom("Tourmalin".into()))
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}
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fn usage(&self) -> &str {
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"run <executable> [...<args>]"
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}
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fn run(
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&self,
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engine_state: &embed_nu::nu_protocol::engine::EngineState,
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stack: &mut embed_nu::nu_protocol::engine::Stack,
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call: &embed_nu::nu_protocol::ast::Call,
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input: embed_nu::PipelineData,
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) -> Result<embed_nu::PipelineData, embed_nu::nu_protocol::ShellError> {
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let executable: String = call.req(engine_state, stack, 0)?;
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let args: Vec<String> = call.rest(engine_state, stack, 1)?;
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tracing::debug!("Running {executable} {}", args.join(" "));
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let mut cmd = Command::new(&executable)
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.args(args)
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.stdout(Stdio::inherit())
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.stderr(Stdio::inherit())
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.stdin(Stdio::piped())
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.spawn()?;
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let mut stdin = cmd.stdin.take().unwrap();
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stdin.write_all(input.collect_string_strict(call.span())?.0.as_bytes())?;
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if cmd.wait().is_err() {
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Err(ShellError::ExternalCommand(
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executable,
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String::from("Is it written correctly?"),
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call.span(),
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))
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} else {
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Ok(PipelineData::empty())
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}
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}
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}
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