Merge #990

990: Allow to do wasmer execution without the `run` argument r=MarkMcCaskey a=syrusakbary # Description This PR allows Wasmer to run files directly without doing `wasmer run xyz.wasm`. So you can do `wasmer xyz.wasm` # Review - [x] Add a short description of the the change to the CHANGELOG.md file Co-authored-by: Syrus <[email protected]> Co-authored-by: Mark McCaskey <[email protected]>
wasmerio · Nov 20, 2019 · 32a8da1 · 32a8da1
2 parents 6831a6d + 76e346b
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## **[Unreleased]**
 
+- [#990](https://github.com/wasmerio/wasmer/pull/990) Default wasmer CLI to `run`.  Wasmer will now attempt to parse unrecognized command line options as if they were applied to the run command: `wasmer mywasm.wasm --dir=.` now works!
 - [#987](https://github.com/wasmerio/wasmer/pull/987) Fix `runtime-c-api` header files when compiled by gnuc.
 
 ## 0.10.2 - 2019-11-18

diff --git a/src/bin/wasmer.rs b/src/bin/wasmer.rs
@@ -848,7 +848,8 @@ fn get_compiler_by_backend(backend: Backend) -> Option<Box<dyn Compiler>> {
 }
 
 fn main() {
-    let options = CLIOptions::from_args();
+    let options = CLIOptions::from_iter_safe(env::args())
+        .unwrap_or_else(|_| CLIOptions::Run(Run::from_args()));
     match options {
         CLIOptions::Run(options) => run(options),
         #[cfg(not(target_os = "windows"))]