$ git clone -n https://src.fedoraproject.org/rpms/perl-Time-Out.git /var/lib/mock/f45-build-27125-621/root/chroot_tmpdir/scmroot/perl-Time-Out
Cloning into '/var/lib/mock/f45-build-27125-621/root/chroot_tmpdir/scmroot/perl-Time-Out'...
$ git fetch origin 540af45496bc8f06d647f72ff4e39b23b632ba85:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Time-Out
 * [new ref]         540af45496bc8f06d647f72ff4e39b23b632ba85 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 540af45 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild