fix: add support for timezones

lib/workers/repository/update/branch/schedule.spec.ts

@@ -298,12 +298,11 @@ describe('workers/repository/update/branch/schedule', () => {
     });
 
     describe('complex cron schedules', () => {
-      // eslint-disable-next-line
       it.each`
         sched            | tz              | datetime                          | expected
         ${'* * 1-7 * 0'} | ${'Asia/Tokyo'} | ${'2024-10-04T10:50:00.000+0900'} | ${true}
-        ${'* * 1-7 * 0'} | ${'Asia/Tokyo'} | ${'2024-10-13T10:50:00.000+0090'} | ${true}
-        ${'* * 1-7 * 0'} | ${'Asia/Tokyo'} | ${'2024-10-16T10:50:00.000+0090'} | ${false}
+        ${'* * 1-7 * 0'} | ${'Asia/Tokyo'} | ${'2024-10-13T10:50:00.000+0900'} | ${true}
+        ${'* * 1-7 * 0'} | ${'Asia/Tokyo'} | ${'2024-10-16T10:50:00.000+0900'} | ${false}
       `('$sched, $tz, $datetime', ({ sched, tz, datetime, expected }) => {
         config.schedule = [sched];
         config.timezone = tz;

lib/workers/repository/update/branch/schedule.ts

@@ -96,7 +96,6 @@ export function cronMatches(
   timezone?: string,
 ): boolean {
   const parsedCron = parseCron(cron, timezone);
-
   // it will always parse because it is checked beforehand
   // istanbul ignore if
   if (!parsedCron) {
@@ -105,14 +104,17 @@ export function cronMatches(
 
   // return the next date which matches the cron schedule
   const nextRun = parsedCron.nextRun();
-
   // istanbul ignore if: should not happen
   if (!nextRun) {
     logger.warn(`Invalid cron schedule ${cron}. No next run is possible`);
     return false;
   }
 
-  const nextDate: DateTime = DateTime.fromISO(nextRun.toISOString());
+  let nextDate: DateTime = DateTime.fromISO(nextRun.toISOString());
+  if (timezone) {
+    nextDate = nextDate.setZone(timezone);
+  }
+
   if (nextDate.hour !== now.hour) {
     return false;
   }
@@ -125,7 +127,6 @@ export function cronMatches(
     return false;
   }
 
-  // Match
   return true;
 }