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use super::command::RunResult;
use std::io::{Error, ErrorKind::InvalidInput};
use std::path::{Path, PathBuf};
pub(in crate::commandline) fn cd(args: &[String], home: &PathBuf) -> Result<RunResult, Error> {
if args.len() > 1 {
return Err(Error::new(InvalidInput, "Too many arguments passed to cd"));
}
let root = if args.len() == 0 {
home.to_path_buf()
} else {
std::fs::canonicalize(Path::new(args[0].as_str()))?
};
match std::env::set_current_dir(&root) {
Ok(_) => Ok(RunResult::Builtin),
Err(e) => Err(e),
}
}
pub(in crate::commandline) fn set(args: &[String]) -> Result<RunResult, Error> {
if args.len() != 2 {
return Err(Error::new(
InvalidInput,
format!("set requires 2 arguments, got {}", args.len()),
));
}
std::env::set_var(&args[0], &args[1]);
Ok(RunResult::Builtin)
}
pub(in crate::commandline) fn unset(args: &[String]) -> Result<RunResult, Error> {
if args.len() != 1 {
return Err(Error::new(
InvalidInput,
format!("unset requires 1 argument, got {}", args.len()),
));
}
std::env::remove_var(&args[0]);
Ok(RunResult::Builtin)
}
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