$ git clone -n https://src.fedoraproject.org/rpms/t4k_common.git /var/lib/mock/f41-build-832479-157421/root/chroot_tmpdir/scmroot/t4k_common
Cloning into '/var/lib/mock/f41-build-832479-157421/root/chroot_tmpdir/scmroot/t4k_common'...
$ git fetch origin f54f2f9bcb7b4a7a7e6b72d48dc870e99a7287d7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/t4k_common
 * [new ref]         f54f2f9bcb7b4a7a7e6b72d48dc870e99a7287d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f54f2f9 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild