30 lines
833 B
Rust
30 lines
833 B
Rust
use crate::{jobs::{ChildProc, JobBldr}, libsh::error::{ShErr, ShErrKind, ShResult}, parse::{execute::prepare_argv, NdRule, Node}, prelude::*, state::write_vars};
|
|
|
|
pub fn cd(node: Node, job: &mut JobBldr) -> ShResult<()> {
|
|
let NdRule::Command { assignments: _, argv } = node.class else {
|
|
unreachable!()
|
|
};
|
|
|
|
let child_pgid = if let Some(pgid) = job.pgid() {
|
|
pgid
|
|
} else {
|
|
job.set_pgid(Pid::this());
|
|
Pid::this()
|
|
};
|
|
let child = ChildProc::new(Pid::this(), Some("cd"), Some(child_pgid))?;
|
|
job.push_child(child);
|
|
|
|
let argv = prepare_argv(argv);
|
|
let new_dir = if let Some((arg,_)) = argv.into_iter().skip(1).next() {
|
|
PathBuf::from(arg)
|
|
} else {
|
|
PathBuf::from(env::var("HOME").unwrap())
|
|
};
|
|
|
|
env::set_current_dir(new_dir).unwrap();
|
|
let new_dir = env::current_dir().unwrap();
|
|
env::set_var("PWD", new_dir);
|
|
|
|
Ok(())
|
|
}
|