refactor(preg): drop the offset argument from preg_match

Every call site but one passed offset 0. The remaining one, the UTF-8
chunking loop in Application, slices the subject instead: its pattern has
no anchor or lookaround, so matching a suffix is equivalent to starting
the search at that offset.

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

1 files changed, 4 insertions, 6 deletions

diff --git a/crates/shirabe/src/util/composer_mirror.rs b/crates/shirabe/src/util/composer_mirror.rs
index 78f38782..0fb38716 100644
--- a/crates/shirabe/src/util/composer_mirror.rs
+++ b/crates/shirabe/src/util/composer_mirror.rs
@@ -1,6 +1,6 @@
 //! ref: composer/src/Composer/Util/ComposerMirror.php
 
-use shirabe_php_shim::{hash, php_regex, preg_match2, preg_replace};
+use shirabe_php_shim::{hash, php_regex, preg_match, preg_replace};
 
 pub struct ComposerMirror;
 
@@ -14,7 +14,7 @@ impl ComposerMirror {
         pretty_version: Option<&str>,
     ) -> String {
         let reference = reference.map(|r| {
-            if preg_match2(php_regex!(r"{^([a-f0-9]*|%reference%)$}"), r, 0).is_some() {
+            if preg_match(php_regex!(r"{^([a-f0-9]*|%reference%)$}"), r).is_some() {
                 r.to_string()
             } else {
                 hash("md5", r)
@@ -52,22 +52,20 @@ impl ComposerMirror {
         url: &str,
         r#type: Option<&str>,
     ) -> String {
-        let normalized_url = if let Some(gh_matches) = preg_match2(
+        let normalized_url = if let Some(gh_matches) = preg_match(
             php_regex!(
                 r"#^(?:(?:https?|git)://github\.com/|git@github\.com:)([^/]+)/(.+?)(?:\.git)?$#"
             ),
             url,
-            0,
         ) {
             format!(
                 "gh-{}/{}",
                 gh_matches.get(1).unwrap_or_default(),
                 gh_matches.get(2).unwrap_or_default(),
             )
-        } else if let Some(bb_matches) = preg_match2(
+        } else if let Some(bb_matches) = preg_match(
             php_regex!(r"#^https://bitbucket\.org/([^/]+)/(.+?)(?:\.git)?/?$#"),
             url,
-            0,
         ) {
             format!(
                 "bb-{}/{}",