Add ! builtin to display the last status

1 files changed, 11 insertions, 10 deletions

diff --git a/src/builtins.rs b/src/builtins.rs
index ac83efa..bcc14f1 100644
--- a/src/builtins.rs
+++ b/src/builtins.rs
@@ -1,12 +1,13 @@
-use std::path::Path;
+use std::io::{Error, ErrorKind};
+use std::path::{Path, PathBuf};
 use std::process::Command;
 
-pub fn cd(
-    args: &[&str],
-    home: &std::path::PathBuf,
-) -> Result<std::path::PathBuf, std::string::String> {
+pub fn cd(args: &[&str], home: &PathBuf) -> Result<PathBuf, Error> {
     if args.len() > 1 {
-        return Err("Too many arguments passed to cd".to_string());
+        return Err(Error::new(
+            ErrorKind::InvalidInput,
+            "Too many arguments passed to cd",
+        ));
     }
 
     if args.len() == 0 {
@@ -20,13 +21,13 @@ pub fn cd(
 
     match std::env::set_current_dir(&root) {
         Ok(_) => Ok(root.to_path_buf()),
-        Err(e) => Err(format!("Could not set current dir: {}", e)),
+        Err(e) => Err(e),
     }
 }
 
-pub fn run(command: &str, args: &[&str]) {
-    let mut child = Command::new(command).args(args).spawn().unwrap();
-    child.wait().unwrap();
+pub fn run(command: &str, args: &[&str]) -> Result<std::process::ExitStatus, Error> {
+    let mut child = Command::new(command).args(args).spawn()?;
+    child.wait()
 }
 /*
     match command {