From 1c0eb589741de4aa52ef941ff9315b34dbe48aa0 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Tue, 9 Jun 2026 00:00:12 +0900
Subject: feat(datetime): resolve datetime TODOs

Introduce shim functions and constants, replacing the ad-hoc chrono
format strings and parse helpers used as phase-b placeholders.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
---
 crates/shirabe/src/repository/vcs/hg_driver.rs | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

(limited to 'crates/shirabe/src/repository/vcs/hg_driver.rs')

diff --git a/crates/shirabe/src/repository/vcs/hg_driver.rs b/crates/shirabe/src/repository/vcs/hg_driver.rs
index c35a574..f637437 100644
--- a/crates/shirabe/src/repository/vcs/hg_driver.rs
+++ b/crates/shirabe/src/repository/vcs/hg_driver.rs
@@ -10,10 +10,10 @@ use crate::repository::vcs::VcsDriverBase;
 use crate::util::Filesystem;
 use crate::util::Hg as HgUtils;
 use crate::util::Url;
-use chrono::{DateTime, Utc};
+use chrono::{DateTime, FixedOffset, Utc};
 use indexmap::IndexMap;
 use shirabe_external_packages::composer::pcre::{CaptureKey, Preg};
-use shirabe_php_shim::{PhpMixed, RuntimeException, dirname, is_dir, is_writable};
+use shirabe_php_shim::{DATE_RFC3339, PhpMixed, RuntimeException, dirname, is_dir, is_writable};
 
 #[derive(Debug)]
 pub struct HgDriver {
@@ -197,7 +197,10 @@ impl HgDriver {
         Ok(Some(content))
     }
 
-    pub fn get_change_date(&self, identifier: &str) -> anyhow::Result<Option<DateTime<Utc>>> {
+    pub fn get_change_date(
+        &self,
+        identifier: &str,
+    ) -> anyhow::Result<Option<DateTime<FixedOffset>>> {
         if identifier.starts_with('-') {
             return Err(RuntimeException {
                 message: format!(
@@ -225,8 +228,8 @@ impl HgDriver {
             Some(self.repo_dir.clone()),
         );
 
-        let date = DateTime::parse_from_rfc3339(output.trim()).map(|d| d.with_timezone(&Utc))?;
-        Ok(Some(date))
+        let date: DateTime<Utc> = shirabe_php_shim::date_create(output.trim())?;
+        Ok(Some(date.fixed_offset()))
     }
 
     pub fn get_tags(&mut self) -> anyhow::Result<IndexMap<String, String>> {
@@ -410,7 +413,10 @@ impl crate::repository::vcs::VcsDriverInterface for HgDriver {
         HgDriver::get_file_content(self, file, identifier)
     }
 
-    fn get_change_date(&mut self, identifier: &str) -> anyhow::Result<Option<DateTime<Utc>>> {
+    fn get_change_date(
+        &mut self,
+        identifier: &str,
+    ) -> anyhow::Result<Option<DateTime<FixedOffset>>> {
         HgDriver::get_change_date(self, identifier)
     }
 
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