rust-embed

rust macro which loads files into the rust binary at compile time during release and loads the file from the fs during dev.

458a322f — pyros2097

panic if folder does not exist closes #31

Files changed (3) hide show

Cargo.toml CHANGED Viewed

@@ -1,6 +1,6 @@
 [package]
 name = "rust-embed"
-version = "3.0.0"
+version = "3.0.1"
 description = "Rust Custom Derive Macro which loads files into the rust binary at compile time during release and loads the file from the fs during dev"
 readme = "readme.md"
 documentation = "https://docs.rs/rust-embed"

changelog.md CHANGED Viewed

@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 Thanks to [Mcat12](https://github.com/Mcat12) for the changelog.
+## [3.0.1] - 2018-07-24
+### Added
+- panic if the folder cannot be found
 ## [3.0.0] - 2018-06-01
 ### Changed
 - The derive attribute style so we don't need `attr_literals` and it can be used in stable rust now. Thanks to [Mcat12](https://github.com/Mcat12).

src/lib.rs CHANGED Viewed

@@ -9,6 +9,7 @@ extern crate walkdir;
 use proc_macro::TokenStream;
 use syn::*;
 use quote::Tokens;
+use std::path::Path;
 #[cfg(debug_assertions)]
 fn generate_assets(ident: &syn::Ident, folder_path: String) -> quote::Tokens {
@@ -106,6 +107,9 @@ fn impl_rust_embed(ast: &syn::DeriveInput) -> Tokens {
       panic!("#[derive(RustEmbed)] attribute value must be a string literal");
     }
   };
+  if !Path::new(&folder_path).exists() {
+    panic!("#[derive(RustEmbed)] folder '{}' does not exist. cwd: '{}'", folder_path, std::env::current_dir().unwrap().to_str().unwrap());
+  };
   generate_assets(ident, folder_path)
 }