$ git clone -n https://src.fedoraproject.org/rpms/tvtime.git /var/lib/mock/f40-build-804441-144521/root/chroot_tmpdir/scmroot/tvtime
Cloning into '/var/lib/mock/f40-build-804441-144521/root/chroot_tmpdir/scmroot/tvtime'...
$ git fetch origin b75e77b95a090e0ec619146e5fd878ad2beed2d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tvtime
 * [new ref]         b75e77b95a090e0ec619146e5fd878ad2beed2d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b75e77b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild