fix: install args empty

Cargo.lock

@@ -626,7 +626,7 @@ dependencies = [
 
 [[package]]
 name = "runrs"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "reqwest",
  "rust_util",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "runrs"
-version = "0.2.0"
+version = "0.2.1"
 edition = "2018"
 license = "MIT/Apache-2.0"
 description = "A Tool for Run Rust Scripts"

src/install.rs

@@ -8,7 +8,7 @@ const SCRIPT_PATTERN: &'static str = "https://git.hatter.ink/rust-scripts/script
 
 pub fn install_script(args: Vec<&String>) {
     if args.is_empty() {
-        failure!("No script name assigned!");
+        failure_and_exit!("No script name assigned!");
     }
     let script_name = &args[0];
     let normalized_script_name = if script_name.ends_with(".rs") {