From 886ee829cb191745167dca369045acd3125e5714 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Fri, 5 Jun 2026 02:36:13 +0900
Subject: feat(filter): share platform req filter via Rc, drop clone_box

PlatformRequirementFilterInterface::clone_box (a todo!() trait-object
clone stub) is removed in favor of Rc<dyn ...> shared ownership, matching
PHP's by-reference sharing of the single filter object. Box<dyn ...> is
replaced with Rc<dyn ...> across the factory, Solver/RuleSetGenerator,
VersionSelector, AutoloadGenerator, Installer and the command layer
(BaseCommand/PackageDiscoveryTrait and their impls); clone_box call
sites become Rc clones.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
---
 crates/shirabe/src/command/package_discovery_trait.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'crates/shirabe/src/command/package_discovery_trait.rs')

diff --git a/crates/shirabe/src/command/package_discovery_trait.rs b/crates/shirabe/src/command/package_discovery_trait.rs
index 197636c..eba6b8b 100644
--- a/crates/shirabe/src/command/package_discovery_trait.rs
+++ b/crates/shirabe/src/command/package_discovery_trait.rs
@@ -50,7 +50,9 @@ pub trait PackageDiscoveryTrait {
     fn get_platform_requirement_filter(
         &self,
         input: &dyn InputInterface,
-    ) -> Box<dyn crate::filter::platform_requirement_filter::PlatformRequirementFilterInterface>;
+    ) -> std::rc::Rc<
+        dyn crate::filter::platform_requirement_filter::PlatformRequirementFilterInterface,
+    >;
 
     fn normalize_requirements(&self, requires: Vec<String>) -> Vec<IndexMap<String, String>>;
 
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