$ git clone -n https://src.fedoraproject.org/rpms/sil-ezra-fonts.git /var/lib/mock/f45-build-35946-700/root/chroot_tmpdir/scmroot/sil-ezra-fonts
Cloning into '/var/lib/mock/f45-build-35946-700/root/chroot_tmpdir/scmroot/sil-ezra-fonts'...
$ git fetch origin 275ef4627c83745821ef9e1ad1a1e05d1a797ae7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sil-ezra-fonts
 * [new ref]         275ef4627c83745821ef9e1ad1a1e05d1a797ae7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 275ef46 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild