Gitignore, and mist new

src/main.mist

@@ -35,6 +35,9 @@ void main()
         "init" => {
             init_project(args);
         }
+        "new" => {
+            new_project(args);
+        }
         "version" | "--version" | "-v" => {
             println!("mist {}", env!("CARGO_PKG_VERSION"));
         }
@@ -75,6 +78,7 @@ void print_usage()
     println!(" \x1b[36m mist transpile\x1b[0m,\x1b[36m t\x1b[0m      transpile the project in the current directory\n");
     println!(" \x1b[36m mist check\x1b[0m,\x1b[36m c\x1b[0m          check the project in the current directory\n");
     println!(" \x1b[36m mist init\x1b[0m              initialize a project in the current folder\n");
+    println!(" \x1b[36m mist new\x1b[0m               create a new project\n");
     println!(" \x1b[36m mist version \x1b[0m          print the compiler version\n");
     println!(" \x1b[36m mist help\x1b[0m              print this message\n");
 }
@@ -96,6 +100,36 @@ void init_project(Vec<String> mut args)
     }
     inject_mist_target(is_lib);
     add_mist_toml(is_lib);
+    add_gitignore();
+    println!("Thank you for using Mist!\n");
+}
+
+void new_project(Vec<String> mut args)
+{
+    args.remove(0);
+    if args.len() < 2 {
+        eprintln!("error: missing project name\n");
+        print_usage();
+        process::exit(1);
+    }
+    String project_name = args[1].clone();
+    let status = process::Command::new("cargo").args(args).stdout(process::Stdio::inherit()).stderr(process::Stdio::inherit()).stdin(process::Stdio::inherit()).spawn().expect("Failed to run cargo").wait().expect("Unable to wait");
+    if !status.success() {
+        return;
+    }
+    std::path::PathBuf project_path = env::current_dir().expect("Unable to find project root").join(&project_name);
+    env::set_current_dir(&project_path).expect("Failed to change to project directory");
+    bool is_lib = fs::metadata("src/lib.rs").is_ok();
+    if is_lib {
+        fs::remove_file("src/lib.rs").expect("Failed to remove src/lib.rs");
+        fs::write("src/lib.mist", "void test() {\n}").expect("Failed to create src/lib.mist");
+    } else {
+        fs::remove_file("src/main.rs").expect("Failed to remove src/main.rs");
+        fs::write("src/main.mist", "void main() {\n    println!(\"Hello, World!\");\n}\n").expect("Failed to create src/main.mist");
+    }
+    inject_mist_target(is_lib);
+    add_mist_toml(is_lib);
+    add_gitignore();
     println!("Thank you for using Mist!\n");
 }
 
@@ -121,3 +155,13 @@ void add_mist_toml(bool is_lib)
     };
     fs::write("Mist.toml", content).expect("Failed to add Mist.toml");
 }
+
+void add_gitignore()
+{
+    if fs::metadata(".gitignore").is_ok() {
+        String content = fs::read_to_string(".gitignore").expect("Failed to read .gitignore");
+        if !content.contains(".mist") {
+            fs::write(".gitignore", content + "\n.mist\n").expect("Failed to write .gitignore");
+        }
+    }
+}