Add command to clone the template

src/main.rs

@@ -1,17 +1,28 @@
 use crossterm::event::{self, Event};
 use ratatui::{Frame, text::Text};
+
+use crate::utils::clone_extension_template;
 mod utils;
 
 fn main() {
     // Check for git BEFORE initializing the terminal
     if !utils::is_git_installed() {
         eprintln!("Error: Git is not installed or not in PATH");
-        eprintln!("Please install Git to use this application. For details see: https://git-scm.com/install/");
+        eprintln!(
+            "Please install Git to use this application. For details see: https://git-scm.com/install/"
+        );
         std::process::exit(1);
     }
 
     println!("✓ Git is installed and ready!");
-    std::thread::sleep(std::time::Duration::from_secs(3));
+
+    if let Some(proj_name) = std::env::args().nth(1) {
+        println!("Project name: {}", &proj_name);
+
+        clone_extension_template(proj_name).unwrap();
+
+        return;
+    }
 
     let mut terminal = ratatui::init();
     loop {
@@ -26,4 +37,4 @@ fn main() {
 fn draw(frame: &mut Frame) {
     let text = Text::raw("Hello, World!");
     frame.render_widget(text, frame.area());
-}
+}

src/utils.rs

@@ -1,3 +1,4 @@
+use std::io::{self};
 use std::process::Command;
 
 pub fn is_git_installed() -> bool {
@@ -6,4 +7,27 @@ pub fn is_git_installed() -> bool {
         .output()
         .map(|output| output.status.success())
         .unwrap_or(false)
-}
+}
+
+pub fn clone_extension_template(proj_name: String) -> Result<(), io::Error> {
+    let mut res = Command::new("git")
+        .args([
+            "clone",
+            "--recurse-submodules",
+            "git@github.com:duckdb/extension-template.git",
+            &proj_name,
+        ])
+        .spawn()
+        .expect("failed to clone project");
+    res.wait().expect("project failed to clone");
+    let mut path: String = proj_name.clone().to_owned();
+
+    path.push_str("/.git");
+
+    Command::new("rm")
+        .args(["-rf", &path])
+        .spawn()
+        .expect("Could not delete .git directory");
+
+    Ok(())
+}