better env detection

.gitignore

@@ -2,3 +2,4 @@
 **/*.rs.bk
 /REPO_TESTS
 i
+etag

scripts/void.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+PREFIX="/imperfect/repo"
+
+if [ ! -d "$PREFIX/void" ]; then
+	printf "Creating $PREFIX/arch\n"
+	sudo mkdir "$PREFIX/arch"
+fi
+
+if [ ! -d "$PREFIX/void/tarballs" ]; then
+	printf "Creating $PREFIX/arch/tarballs\n"
+	sudo mkdir "$PREFIX/arch/tarballs"
+fi

src/main.rs

@@ -1,7 +1,5 @@
-extern crate flate2;
-extern crate tar;
-
 use std::fs::File;
+use std::path::Path;
 
 use reqwest::Client;
 use reqwest::header::ETAG;
@@ -16,6 +14,12 @@ fn main() -> Result<(), std::io::Error> {
 
     let split = args[1].as_str().split("::");
     let vec: Vec<&str> = split.collect();
+    
+    if !Path::new(format!("/imperfect/repo/{}", vec[1]).as_str()).exists() {
+        println!("Path /imperfect/repo/{} does not exist. Please setup your environment.", vec[1]);
+        std::process::exit(1);
+    }
+
     let mut resp = client.get(vec[0])
         .send().expect("Failed to make request");