$ git clone -n https://src.fedoraproject.org/rpms/tellico.git /var/lib/mock/f39-build-1662570-40667/root/chroot_tmpdir/scmroot/tellico
Cloning into '/var/lib/mock/f39-build-1662570-40667/root/chroot_tmpdir/scmroot/tellico'...
$ git fetch origin fcff94d12db0589b8b40f2ec9547ea41a24fba82:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tellico
 * [new ref]         fcff94d12db0589b8b40f2ec9547ea41a24fba82 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fcff94d Update to 3.5.1