Got a basic working structure in place

src/repository.rs

@@ -0,0 +1,39 @@
+use std::fs;
+use std::path::Path;
+
+pub struct Repository {
+	base_path: String,
+}
+
+impl Repository {
+	pub fn new(base_path: &str) -> Repository {
+		// create the base directory path
+		create_directory(base_path);
+
+		let sub_dirs: Vec<&str> = vec!["ingest", "archive", "output"];
+		for s in sub_dirs {
+			create_directory(Path::new(base_path).join(s).to_str().unwrap());
+		}
+
+		return Repository {
+			base_path: String::from(base_path),
+		};
+	}
+}
+
+fn create_directory(path: &str) {
+	let d = Path::new(path);
+	if d.is_dir() {
+		println!("Directory {} already exists.", path);
+	} else {
+		match fs::create_dir(path) {
+			Ok(_) => {
+				println!("Creating directory {}.", path);
+			},
+			Err(e) => {
+				eprintln!("Error creating {}: {}", path, e);
+				std::process::exit(1);
+			}
+		}
+	}
+}