fix: Fix system parsing from WASM.

crates/pdk-api/src/host_funcs.rs

@@ -38,6 +38,10 @@ json_struct!(
         /// Environment variables to pass to the command.
         pub env_vars: HashMap<String, String>,
 
+        /// Mark the command as executable before executing.
+        #[doc(hidden)]
+        pub set_executable: bool,
+
         /// Stream the output instead of capturing it.
         pub stream: bool,
     }
@@ -54,8 +58,7 @@ impl ExecCommandInput {
         ExecCommandInput {
             command: command.as_ref().to_string(),
             args: args.into_iter().map(|a| a.as_ref().to_owned()).collect(),
-            env_vars: HashMap::new(),
-            stream: false,
+            ..ExecCommandInput::default()
         }
     }
 

crates/system-env/src/env.rs

@@ -42,6 +42,12 @@ impl SystemArch {
 }
 
 impl Default for SystemArch {
+    #[cfg(target_arch = "wasm32")]
+    fn default() -> Self {
+        SystemArch::X64
+    }
+
+    #[cfg(not(target_arch = "wasm32"))]
     fn default() -> Self {
         SystemArch::from_env()
     }
@@ -105,6 +111,12 @@ impl SystemOS {
 }
 
 impl Default for SystemOS {
+    #[cfg(target_arch = "wasm32")]
+    fn default() -> Self {
+        SystemOS::Linux
+    }
+
+    #[cfg(not(target_arch = "wasm32"))]
     fn default() -> Self {
         SystemOS::from_env()
     }

crates/wasm-plugin/Cargo.toml

@@ -11,4 +11,5 @@ repository = "https://github.com/moonrepo/proto"
 proto_pdk_api = { version = "0.7.3", path = "../pdk-api" }
 extism = { workspace = true }
 serde_json = { workspace = true }
+starbase_utils = { workspace = true }
 tracing = { workspace = true }

crates/wasm-plugin/src/host_funcs.rs

@@ -1,5 +1,6 @@
 use extism::{CurrentPlugin, Error, Function, InternalExt, UserData, Val, ValType};
 use proto_pdk_api::{ExecCommandInput, ExecCommandOutput, HostLogInput};
+use starbase_utils::fs;
 use std::env;
 use std::path::PathBuf;
 use std::process::Command;
@@ -74,6 +75,11 @@ fn exec_command(
         "Executing command from plugin"
     );
 
+    // This is temporary since WASI does not support updating file permissions yet!
+    if input.set_executable {
+        fs::update_perms(&input.command, None)?;
+    }
+
     // let data = user_data.any().unwrap();
     // let data = data.downcast_ref::<HostData>().unwrap();