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/dependency_resolver/pool_builder.rs b/crates/shirabe/src/dependency_resolver/pool_builder.rs
index 354a794c..98a0948d 100644
--- a/crates/shirabe/src/dependency_resolver/pool_builder.rs
+++ b/crates/shirabe/src/dependency_resolver/pool_builder.rs
@@ -21,7 +21,7 @@ use crate::repository::RootPackageRepository;
 use indexmap::IndexMap;
 use shirabe_php_shim::{
     CmpOp, LogicException, PhpMixed, array_flip_strings, array_map, in_array_strict, microtime,
-    number_format, preg_match, round, strpos,
+    number_format, preg_is_match, round, strpos,
 };
 use shirabe_semver::CompilingMatcher;
 use shirabe_semver::Intervals;
@@ -785,7 +785,7 @@ impl PoolBuilder {
     fn is_update_allowed(&self, package: PackageInterfaceHandle) -> bool {
         for pattern in &self.update_allow_list {
             let pattern_regexp = base_package::package_name_to_regexp(pattern);
-            if preg_match(&pattern_regexp, &package.get_name()).is_some() {
+            if preg_is_match(&pattern_regexp, &package.get_name()) {
                 return true;
             }
         }
@@ -812,13 +812,13 @@ impl PoolBuilder {
                 .borrow_mut()
                 .get_packages()?
             {
-                if preg_match(&pattern_regexp, &package.get_name()).is_some() {
+                if preg_is_match(&pattern_regexp, &package.get_name()) {
                     continue 'outer;
                 }
             }
             // update pattern matches a root require? => all good, probably a new package
             for (package_name, _constraint) in request.get_requires() {
-                if preg_match(&pattern_regexp, package_name).is_some() {
+                if preg_is_match(&pattern_regexp, package_name) {
                     if PlatformRepository::is_platform_package(package_name) {
                         matched_platform_package = true;
                         continue;