Add --version and --serial flags to the host runner (#653)

crates/runner-host/src/board/platform.rs

@@ -18,6 +18,8 @@ use data_encoding::HEXLOWER_PERMISSIVE;
 use wasefire_board_api::platform::Api;
 use wasefire_board_api::Error;
 
+use crate::FLAGS;
+
 pub mod protocol;
 mod update;
 
@@ -29,11 +31,11 @@ impl Api for Impl {
     type Update = update::Impl;
 
     fn serial() -> Cow<'static, [u8]> {
-        from_hex(option_env!("WASEFIRE_HOST_SERIAL"))
+        from_hex(FLAGS.serial.as_deref())
     }
 
     fn version() -> Cow<'static, [u8]> {
-        from_hex(option_env!("WASEFIRE_HOST_VERSION"))
+        from_hex(FLAGS.version.as_deref())
     }
 
     fn reboot() -> Result<!, Error> {

crates/runner-host/src/main.rs

@@ -84,6 +84,14 @@ struct Flags {
     /// Socket address to bind to when --interface=web (ignored otherwise).
     #[arg(long, default_value = "127.0.0.1:5000")]
     web_addr: SocketAddr,
+
+    /// Platform version (in hexadecimal).
+    #[arg(long, default_value = option_env!("WASEFIRE_HOST_VERSION").unwrap_or_default())]
+    version: Option<String>,
+
+    /// Platform serial (in hexadecimal).
+    #[arg(long, default_value = option_env!("WASEFIRE_HOST_SERIAL").unwrap_or_default())]
+    serial: Option<String>,
 }
 
 #[test]

crates/xtask/src/main.rs

@@ -190,6 +190,12 @@ struct RunnerOptions {
     #[clap(long)]
     version: Option<String>,
 
+    /// Host platform serial.
+    ///
+    /// This is only used for the host runner. It must be an hexadecimal byte sequence.
+    #[clap(long)]
+    serial: Option<String>,
+
     /// Cargo no-default-features.
     #[clap(long)]
     no_default_features: bool,
@@ -466,6 +472,9 @@ impl RunnerOptions {
             if let Some(version) = &self.version {
                 cargo.env("WASEFIRE_HOST_VERSION", version);
             }
+            if let Some(serial) = &self.serial {
+                cargo.env("WASEFIRE_HOST_SERIAL", serial);
+            }
             cmd::execute(Command::new("make").current_dir("crates/runner-host/crates/web-client"))
                 .await?;
         }