1 files changed, 5 insertions, 10 deletions

diff --git a/crates/shirabe/src/command/diagnose_command.rs b/crates/shirabe/src/command/diagnose_command.rs
index 945d1e9..bcedf30 100644
--- a/crates/shirabe/src/command/diagnose_command.rs
+++ b/crates/shirabe/src/command/diagnose_command.rs
@@ -79,7 +79,7 @@ impl DiagnoseCommand {
         output: &dyn OutputInterface,
     ) -> anyhow::Result<i64> {
         let mut composer = self.try_composer(None, None);
-        let io_boxed: std::rc::Rc<std::cell::RefCell<dyn IOInterface>> = self.get_io().clone();
+        let io: std::rc::Rc<std::cell::RefCell<dyn IOInterface>> = self.get_io().clone();
 
         let config: std::rc::Rc<std::cell::RefCell<Config>>;
         if let Some(ref mut c) = composer {
@@ -104,7 +104,7 @@ impl DiagnoseCommand {
                     .map(std::rc::Rc::clone)
                     .unwrap_or_else(|| {
                         std::rc::Rc::new(std::cell::RefCell::new(ProcessExecutor::new(Some(
-                            io_boxed.clone(),
+                            io.clone(),
                         ))))
                     }),
             );
@@ -112,14 +112,9 @@ impl DiagnoseCommand {
             config = std::rc::Rc::new(std::cell::RefCell::new(Factory::create_config(None, None)?));
 
             self.process = Some(std::rc::Rc::new(std::cell::RefCell::new(
-                ProcessExecutor::new(Some(io_boxed.clone())),
+                ProcessExecutor::new(Some(io.clone())),
             )));
         }
-        // TODO(phase-b): clone_box to release self borrow held by get_io.
-        let io_box = self.get_io().clone();
-        let io_ref = io_box.borrow();
-        let io: &dyn IOInterface = &*io_ref;
-
         let mut config_inner: IndexMap<String, Box<PhpMixed>> = IndexMap::new();
         config_inner.insert("secure-http".to_string(), Box::new(PhpMixed::Bool(false)));
         let mut secure_http_wrap: IndexMap<String, PhpMixed> = IndexMap::new();
@@ -130,12 +125,12 @@ impl DiagnoseCommand {
             .merge(&secure_http_wrap, Config::SOURCE_COMMAND);
         let _ = config.borrow_mut().prohibit_url_by_config(
             "http://repo.packagist.org",
-            Some(&NullIO::new()),
+            Some(std::rc::Rc::new(std::cell::RefCell::new(NullIO::new()))),
             &IndexMap::new(),
         );
 
         self.http_downloader = Some(std::rc::Rc::new(std::cell::RefCell::new(
-            Factory::create_http_downloader(io_box.clone(), &config, indexmap::IndexMap::new())?,
+            Factory::create_http_downloader(io.clone(), &config, indexmap::IndexMap::new())?,
         )));
 
         if strpos(file!(), "phar:") == Some(0) {