$ git clone -n https://src.fedoraproject.org/rpms/libtcd.git /var/lib/mock/f45-build-17070-495/root/chroot_tmpdir/scmroot/libtcd
Cloning into '/var/lib/mock/f45-build-17070-495/root/chroot_tmpdir/scmroot/libtcd'...
$ git fetch origin ce2b4746e7730990274e24fad850c3828f08468e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libtcd
 * [new ref]         ce2b4746e7730990274e24fad850c3828f08468e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce2b474 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild