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>

4 files changed, 20 insertions, 18 deletions

diff --git a/crates/shirabe/src/package/version/version_bumper.rs b/crates/shirabe/src/package/version/version_bumper.rs
index e75dea33..075663d4 100644
--- a/crates/shirabe/src/package/version/version_bumper.rs
+++ b/crates/shirabe/src/package/version/version_bumper.rs
@@ -6,7 +6,7 @@ use crate::package::loader::ArrayLoader;
 use crate::package::version::VersionParser;
 use crate::util::Platform;
 use shirabe_php_shim::{
-    CaptureKey, php_regex, preg_match, preg_match_all_offset_capture, preg_replace,
+    CaptureKey, php_regex, preg_is_match, preg_match_all_offset_capture, preg_replace,
 };
 use shirabe_semver::Intervals;
 use shirabe_semver::constraint::AnyConstraint;
@@ -51,7 +51,7 @@ impl VersionBumper {
             preg_replace(php_regex!(r"{(?:\.(?:0|9999999))+(-dev)?$}"), "", &version);
         let new_pretty_constraint = format!("^{}", version_without_suffix);
 
-        if preg_match(php_regex!(r"{^\^\d+(\.\d+)*$}"), &new_pretty_constraint).is_none() {
+        if !preg_is_match(php_regex!(r"{^\^\d+(\.\d+)*$}"), &new_pretty_constraint) {
             return Ok(pretty_constraint);
         }
 
diff --git a/crates/shirabe/src/package/version/version_guesser.rs b/crates/shirabe/src/package/version/version_guesser.rs
index 668fce02..3c47d5b2 100644
--- a/crates/shirabe/src/package/version/version_guesser.rs
+++ b/crates/shirabe/src/package/version/version_guesser.rs
@@ -14,8 +14,8 @@ use crate::util::sync_executor;
 use indexmap::IndexMap;
 use shirabe_php_shim::{
     PhpMixed, RuntimeException, array_keys, array_map, array_merge, empty, function_exists,
-    implode, is_string, json_encode, php_regex, preg_match, preg_quote, preg_replace, str_replace,
-    strlen, strnatcasecmp, strpos, substr, trim, usort,
+    implode, is_string, json_encode, php_regex, preg_is_match, preg_match, preg_quote,
+    preg_replace, str_replace, strlen, strnatcasecmp, strpos, substr, trim, usort,
 };
 
 /// Seam over the parts of [`VersionGuesser`] that consumers depend on, so they can be exercised
@@ -156,11 +156,10 @@ impl VersionGuesser {
         }
 
         if "-dev" == substr(version_data.version.as_deref().unwrap_or(""), -4, None)
-            && preg_match(
+            && preg_is_match(
                 php_regex!(r"{\.9{7}}"),
                 version_data.version.as_deref().unwrap_or(""),
             )
-            .is_some()
         {
             version_data.pretty_version = Some(preg_replace(
                 php_regex!(r"{(\.9{7})+}"),
@@ -181,11 +180,10 @@ impl VersionGuesser {
                     -4,
                     None,
                 )
-            && preg_match(
+            && preg_is_match(
                 php_regex!(r"{\.9{7}}"),
                 version_data.feature_version.as_deref().unwrap_or(""),
             )
-            .is_some()
         {
             version_data.feature_pretty_version = Some(preg_replace(
                 php_regex!(r"{(\.9{7})+}"),
@@ -257,7 +255,7 @@ impl VersionGuesser {
                 }
 
                 if !branch.is_empty()
-                    && preg_match(php_regex!(r"{^ *.+/HEAD }"), &branch).is_none()
+                    && !preg_is_match(php_regex!(r"{^ *.+/HEAD }"), &branch)
                     && let Some(m) = preg_match(
                         php_regex!(
                             r"{^(?:\* )? *((?:remotes/(?:origin|upstream)/)?[^\s/]+) *([a-f0-9]+) .*$}"
@@ -608,10 +606,13 @@ impl VersionGuesser {
             non_feature_branches = implode("|", &names);
         }
 
-        preg_match(format!(
-            r"{{^({}|master|main|latest|next|current|support|tip|trunk|default|develop|\d+\..+)$}}",
-            non_feature_branches,
-        ), branch_name.unwrap_or("")).is_none()
+        !preg_is_match(
+            format!(
+                r"{{^({}|master|main|latest|next|current|support|tip|trunk|default|develop|\d+\..+)$}}",
+                non_feature_branches,
+            ),
+            branch_name.unwrap_or(""),
+        )
     }
 
     fn guess_fossil_version(&mut self, path: &str) -> anyhow::Result<VersionData> {
diff --git a/crates/shirabe/src/package/version/version_parser.rs b/crates/shirabe/src/package/version/version_parser.rs
index 6e7c5825..906e99f9 100644
--- a/crates/shirabe/src/package/version/version_parser.rs
+++ b/crates/shirabe/src/package/version/version_parser.rs
@@ -2,7 +2,7 @@
 
 use crate::repository::PlatformRepository;
 use indexmap::IndexMap;
-use shirabe_php_shim::{php_regex, preg_match, preg_replace};
+use shirabe_php_shim::{php_regex, preg_is_match, preg_replace};
 use shirabe_semver::Semver;
 use shirabe_semver::VersionParser as SemverVersionParser;
 use shirabe_semver::constraint::AnyConstraint;
@@ -57,11 +57,10 @@ impl VersionParser {
             if !pair.contains(' ')
                 && i + 1 < count
                 && !pairs[i + 1].contains('/')
-                && preg_match(
+                && !preg_is_match(
                     php_regex!(r"{(?<=[a-z0-9_/-])\*|\*(?=[a-z0-9_/-])}i"),
                     &pairs[i + 1],
                 )
-                .is_none()
                 && !PlatformRepository::is_platform_package(&pairs[i + 1])
             {
                 pair += &format!(" {}", pairs[i + 1]);
diff --git a/crates/shirabe/src/package/version/version_selector.rs b/crates/shirabe/src/package/version/version_selector.rs
index 91929c40..61435870 100644
--- a/crates/shirabe/src/package/version/version_selector.rs
+++ b/crates/shirabe/src/package/version/version_selector.rs
@@ -16,7 +16,9 @@ use crate::repository::PlatformRepository;
 use crate::repository::RepositoryInterface;
 use crate::repository::RepositorySetInterface;
 use indexmap::IndexMap;
-use shirabe_php_shim::{CmpOp, php_regex, preg_match, preg_replace, strtolower, version_compare};
+use shirabe_php_shim::{
+    CmpOp, php_regex, preg_is_match, preg_replace, strtolower, version_compare,
+};
 use shirabe_semver::constraint::AnyConstraint;
 use shirabe_semver::constraint::SimpleConstraint;
 
@@ -302,7 +304,7 @@ impl VersionSelector {
         let semantic_version_parts: Vec<&str> = version.split('.').collect();
 
         if semantic_version_parts.len() == 4
-            && preg_match(php_regex!(r"{^\d+\D?}"), semantic_version_parts[3]).is_some()
+            && preg_is_match(php_regex!(r"{^\d+\D?}"), semantic_version_parts[3])
         {
             let mut parts: Vec<String> = semantic_version_parts
                 .iter()