$ git clone -n https://src.fedoraproject.org/rpms/lohit-assamese-fonts.git /var/lib/mock/f45-build-17549-501/root/chroot_tmpdir/scmroot/lohit-assamese-fonts
Cloning into '/var/lib/mock/f45-build-17549-501/root/chroot_tmpdir/scmroot/lohit-assamese-fonts'...
$ git fetch origin d377ba3045a398f140da4db88886fc133abbda77:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lohit-assamese-fonts
 * [new ref]         d377ba3045a398f140da4db88886fc133abbda77 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d377ba3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild