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, 2 insertions, 2 deletions

diff --git a/crates/shirabe/src/downloader/fossil_downloader.rs b/crates/shirabe/src/downloader/fossil_downloader.rs
index e7b3a20d..40d5153f 100644
--- a/crates/shirabe/src/downloader/fossil_downloader.rs
+++ b/crates/shirabe/src/downloader/fossil_downloader.rs
@@ -13,7 +13,7 @@ use crate::util::Filesystem;
 use crate::util::ProcessExecutor;
 use indexmap::IndexMap;
 use shirabe_php_shim::{
-    PhpMixed, RuntimeException, impl_php_class, php_regex, preg_match2, preg_split,
+    PhpMixed, RuntimeException, impl_php_class, php_regex, preg_match, preg_split,
 };
 
 #[derive(Debug)]
@@ -228,7 +228,7 @@ impl VcsDownloader for FossilDownloader {
         };
 
         for line in lines {
-            if preg_match2(&match_pattern, &line, 0).is_some() {
+            if preg_match(&match_pattern, &line).is_some() {
                 break;
             }
             log.push_str(&line);