$ git clone -n https://src.fedoraproject.org/rpms/perl-Schedule-Cron-Events.git /var/lib/mock/f39-build-1439323-32244/root/chroot_tmpdir/scmroot/perl-Schedule-Cron-Events
Cloning into '/var/lib/mock/f39-build-1439323-32244/root/chroot_tmpdir/scmroot/perl-Schedule-Cron-Events'...
$ git fetch origin 8572b9e8cbbcd0216661267bd50c34ad434ebd5d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Schedule-Cron-Events
 * [new ref]         8572b9e8cbbcd0216661267bd50c34ad434ebd5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8572b9e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild