$ git clone -n https://src.fedoraproject.org/rpms/t-digest.git /var/lib/mock/f40-build-2396750-60542/root/chroot_tmpdir/scmroot/t-digest
Cloning into '/var/lib/mock/f40-build-2396750-60542/root/chroot_tmpdir/scmroot/t-digest'...
$ git fetch origin 6e26a32182924c16cb59821487d0173ec834e734:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/t-digest
 * [new ref]         6e26a32182924c16cb59821487d0173ec834e734 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e26a32 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild