pack compressed assets into single binary (#2344)

* pack compressed assets into single binary

* update naming

* tweaks

* fix build

* fix cargo lock

* rename CLI

* remove explicit ref name

backend/src/bins/mod.rs

@@ -0,0 +1,55 @@
+use std::path::Path;
+
+#[cfg(feature = "avahi-alias")]
+pub mod avahi_alias;
+pub mod deprecated;
+#[cfg(feature = "cli")]
+pub mod embassy_cli;
+#[cfg(feature = "daemon")]
+pub mod embassy_init;
+#[cfg(feature = "sdk")]
+pub mod embassy_sdk;
+#[cfg(feature = "daemon")]
+pub mod embassyd;
+
+fn select_executable(name: &str) -> Option<fn()> {
+    match name {
+        #[cfg(feature = "avahi-alias")]
+        "avahi-alias" => Some(avahi_alias::main),
+        #[cfg(feature = "cli")]
+        "start-cli" => Some(embassy_cli::main),
+        #[cfg(feature = "sdk")]
+        "start-sdk" => Some(embassy_sdk::main),
+        #[cfg(feature = "daemon")]
+        "startd" => Some(embassyd::main),
+        "embassy-cli" => Some(|| deprecated::renamed("embassy-cli", "start-cli")),
+        "embassy-sdk" => Some(|| deprecated::renamed("embassy-sdk", "start-sdk")),
+        "embassyd" => Some(|| deprecated::renamed("embassyd", "startd")),
+        "embassy-init" => Some(|| deprecated::removed("embassy-init")),
+        _ => None,
+    }
+}
+
+pub fn startbox() {
+    let args = std::env::args().take(2).collect::<Vec<_>>();
+    if let Some(x) = args
+        .get(0)
+        .and_then(|s| Path::new(&*s).file_name())
+        .and_then(|s| s.to_str())
+        .and_then(|s| select_executable(&s))
+    {
+        x()
+    } else if let Some(x) = args.get(1).and_then(|s| select_executable(&s)) {
+        x()
+    } else {
+        eprintln!(
+            "unknown executable: {}",
+            args.get(0)
+                .filter(|x| &**x != "startbox")
+                .or_else(|| args.get(1))
+                .map(|s| s.as_str())
+                .unwrap_or("N/A")
+        );
+        std::process::exit(1);
+    }
+}