$ git clone -n https://src.fedoraproject.org/rpms/gcc13.git /var/lib/mock/f41-build-856226-167501/root/chroot_tmpdir/scmroot/gcc13
Cloning into '/var/lib/mock/f41-build-856226-167501/root/chroot_tmpdir/scmroot/gcc13'...
$ git fetch origin 5a64776d018b17331ac4401c05d68317be076f42:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gcc13
 * [new ref]         5a64776d018b17331ac4401c05d68317be076f42 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a64776 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild