From f5812d5e88dfa7d5e903017be81a36ced6292684 Mon Sep 17 00:00:00 2001
From: fdai7375 <david.maul@informatik.hs-fulda.de>
Date: Thu, 19 Jan 2023 00:58:18 +0100
Subject: [PATCH] feat: add cd builtin command

---
 src/builtins/cd.rs  | 8 ++++++++
 src/builtins/mod.rs | 7 ++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 src/builtins/cd.rs

diff --git a/src/builtins/cd.rs b/src/builtins/cd.rs
new file mode 100644
index 0000000..263b823
--- /dev/null
+++ b/src/builtins/cd.rs
@@ -0,0 +1,8 @@
+use std::env::set_current_dir;
+
+use crate::error::ShellError;
+
+pub fn run(keyword: &str, args: &[&str]) -> Result<(), ShellError> {
+    set_current_dir(args[0]);
+    Ok(())
+}
diff --git a/src/builtins/mod.rs b/src/builtins/mod.rs
index cd4a7d1..39735bd 100644
--- a/src/builtins/mod.rs
+++ b/src/builtins/mod.rs
@@ -1,11 +1,16 @@
 use crate::error::ShellError;
+mod cd;
 
-const BUILTINS: &[&str] = &[];
+const BUILTINS: &[&str] = &["cd"];
 
 pub fn is_builtin(keyword: &str) -> bool {
     BUILTINS.contains(&keyword)
 }
 
 pub fn execute_builtin(keyword: &str, args: &[&str]) -> Result<(), ShellError> {
+    match keyword {
+        "cd" => cd::run(keyword, args)?,
+        _ => {}
+    }
     Ok(())
 }