use crate::{
  jobs::JobBldr,
  libsh::error::ShResult,
  parse::{NdRule, Node},
  prelude::*,
  procio::{IoStack, borrow_fd},
  state,
};

use super::setup_builtin;

pub fn pwd(node: Node, io_stack: &mut IoStack, job: &mut JobBldr) -> ShResult<()> {
  let NdRule::Command {
    assignments: _,
    argv,
  } = node.class
  else {
    unreachable!()
  };

  let (_, _guard) = setup_builtin(argv, job, Some((io_stack, node.redirs)))?;

  let stdout = borrow_fd(STDOUT_FILENO);

  let mut curr_dir = env::current_dir().unwrap().to_str().unwrap().to_string();
  curr_dir.push('\n');
  write(stdout, curr_dir.as_bytes())?;

  state::set_status(0);
  Ok(())
}