Simplify default run logic

wasmerio · Nov 20, 2019 · ec285d7 · ec285d7
1 parent 1685455
commit ec285d7
Showing 1 changed file with 3 additions and 8 deletions.
diff --git a/src/bin/wasmer.rs b/src/bin/wasmer.rs
@@ -843,14 +843,9 @@ fn get_compiler_by_backend(backend: Backend) -> Option<Box<dyn Compiler>> {
 
 fn main() {
     let options = {
-        let args: Vec<String> = env::args().into_iter().filter(|x| !x.starts_with("-")).collect();
-        match args.get(1).map_or("", |s| &s) {
-            // Default
-            "run" | "cache" | "validate" | "self_update" | "" => {
-                CLIOptions::from_args()
-            }
-            // Wasmer trying to run a file directly
-            _ => {
+        match StructOpt::from_iter_safe(env::args()) {
+            Ok(options) => options,
+            Err(_) => {
                 let run_options = Run::from_args();
                 CLIOptions::Run(run_options)
             }