refactor(preg): add preg_is_match for existence-only call sites

The capture groups were discarded at 162 of the preg_match call sites,
which only tested the Option. They now call preg_is_match, which lets the
regex engine skip capture tracking.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/crates/shirabe/src/plugin/plugin_manager.rs b/crates/shirabe/src/plugin/plugin_manager.rs
index 28616903..2fff2d74 100644
--- a/crates/shirabe/src/plugin/plugin_manager.rs
+++ b/crates/shirabe/src/plugin/plugin_manager.rs
@@ -28,8 +28,8 @@ use indexmap::IndexMap;
 use shirabe_php_rpc::{PluginValue, call_function_with_dispatcher};
 use shirabe_php_shim::{
     CmpOp, E_USER_DEPRECATED, PhpMixed, RuntimeException, UnexpectedValueException, dirname, empty,
-    file_get_contents, implode, ksort, php_regex, preg_match, preg_quote, preg_replace2, strrpos,
-    strtr_array, substr, trigger_error, trim, var_export, var_export_str, version_compare,
+    file_get_contents, implode, ksort, php_regex, preg_is_match, preg_quote, preg_replace2,
+    strrpos, strtr_array, substr, trigger_error, trim, var_export, var_export_str, version_compare,
 };
 use shirabe_semver::constraint::SimpleConstraint;
 
@@ -259,7 +259,7 @@ impl PluginManager {
             }
 
             if package.get_name() == "symfony/flex"
-                && preg_match(php_regex!("{^[0-9.]+$}"), &package.get_version()).is_some()
+                && preg_is_match(php_regex!("{^[0-9.]+$}"), &package.get_version())
                 && version_compare(&package.get_version(), "1.9.8", CmpOp::Lt)
             {
                 self.io.write_error(&format!("<warning>The \"{}\" plugin {}was skipped because it is not compatible with Composer 2+. Make sure to update it to version 1.9.8 or greater.</warning>",
@@ -1242,7 +1242,7 @@ impl PluginManager {
             .map(|(k, v)| (k.clone(), *v))
             .collect();
         for (pattern, allow) in &rules_snapshot {
-            if preg_match(pattern, package).is_some() {
+            if preg_is_match(pattern, package) {
                 return Ok(*allow);
             }
         }