feat(bin): port composer entry point into main.rs

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

1 files changed, 23 insertions, 1 deletions

diff --git a/crates/shirabe/src/main.rs b/crates/shirabe/src/main.rs
index 0672e51..5c9dd9b 100644
--- a/crates/shirabe/src/main.rs
+++ b/crates/shirabe/src/main.rs
@@ -1,3 +1,25 @@
+//! ref: composer/bin/composer
+
+use shirabe::console::Application;
+use shirabe::util::Platform;
+use shirabe_php_shim::{realpath, server_argv};
+
 fn main() {
-    println!("Hello, World!");
+    // TODO(phase-c): the full initialization process in composer/bin/composer should be ported
+    // somewhere else that communicates with the real PHP runtime.
+
+    Platform::put_env(
+        "COMPOSER_BINARY",
+        &realpath(&server_argv()[0]).unwrap_or_default(),
+    );
+
+    // run the command application
+    let mut application = Application::new("Composer".to_string(), String::new());
+    match application.run(None, None) {
+        Ok(_) => {}
+        Err(e) => {
+            eprintln!("{}", e);
+            std::process::exit(1);
+        }
+    }
 }