$ git clone -n https://src.fedoraproject.org/rpms/ternimal.git /var/lib/mock/f45-build-46462-835/root/chroot_tmpdir/scmroot/ternimal
Cloning into '/var/lib/mock/f45-build-46462-835/root/chroot_tmpdir/scmroot/ternimal'...
$ git fetch origin cf4c1d4c8c55a15d358f9cb43f62dcb1889c99eb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ternimal
 * [new ref]         cf4c1d4c8c55a15d358f9cb43f62dcb1889c99eb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf4c1d4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild