1 files changed, 18 insertions, 4 deletions
diff --git a/crates/shirabe/src/command/clear_cache_command.rs b/crates/shirabe/src/command/clear_cache_command.rs
index 28b303e..5dbfaa5 100644
--- a/crates/shirabe/src/command/clear_cache_command.rs
+++ b/crates/shirabe/src/command/clear_cache_command.rs
@@ -3,6 +3,7 @@
 use crate::command::{BaseCommand, BaseCommandData, HasBaseCommandData};
 use crate::composer;
 use crate::composer::ComposerHandle;
+use crate::console::input::InputOption;
 use crate::factory::Factory;
 use indexmap::IndexMap;
 use shirabe_external_packages::symfony::console::input::InputInterface;
@@ -18,8 +19,15 @@ impl ClearCacheCommand {
         self.set_name("clear-cache");
         self.set_aliases(&["clearcache".to_string(), "cc".to_string()]);
         self.set_description("Clears composer's internal package cache");
-        // TODO(phase-b): set_definition requires Vec<Box<dyn InputDefinitionEntry>>
-        // self.set_definition(...) — InputOption::new arg shapes do not yet match
+        self.set_definition(&[InputOption::new(
+            "gc",
+            None,
+            Some(InputOption::VALUE_NONE),
+            "Only run garbage collection, not a full cache clear",
+            None,
+        )
+        .unwrap()
+        .into()]);
         self.set_help(
             "The <info>clear-cache</info> deletes all cached packages from composer's\n\
             cache directory.\n\n\
@@ -32,11 +40,17 @@ impl ClearCacheCommand {
         _input: std::rc::Rc<std::cell::RefCell<dyn InputInterface>>,
         _output: std::rc::Rc<std::cell::RefCell<dyn OutputInterface>>,
     ) -> anyhow::Result<i64> {
-        // TODO(phase-b): port full execute logic once Config sharing model is settled
+        // PHP: $config = $this->tryComposer()?->getConfig() ?? Factory::createConfig(); then
+        // iterate the cache-* paths and clear/gc each via Cache.
+        // TODO(phase-c): two blockers. (1) The first statement calls self.try_composer(), which is
+        // a deferred todo!() (it needs get_application() -> the Symfony command registry). (2) The
+        // two config sources differ in ownership — composer.get_config() is Rc<RefCell<Config>>
+        // while Factory::create_config() returns an owned Config — so a shared Config model is
+        // needed before the per-path Cache logic can read both uniformly.
         let _ = composer::VERSION;
         let _: IndexMap<String, String> = IndexMap::new();
         let _ = Factory::create_config(None, None);
-        todo!("phase-b: ClearCacheCommand::execute requires Config sharing strategy")
+        todo!("ClearCacheCommand::execute pending try_composer + Config sharing model")
     }
 }