$ git clone -n https://src.fedoraproject.org/rpms/sil-awami-nastaliq-fonts.git /var/lib/mock/f45-build-35942-700/root/chroot_tmpdir/scmroot/sil-awami-nastaliq-fonts
Cloning into '/var/lib/mock/f45-build-35942-700/root/chroot_tmpdir/scmroot/sil-awami-nastaliq-fonts'...
$ git fetch origin 40b865d30a4fa79973c98643d4c03db195fa1c15:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sil-awami-nastaliq-fonts
 * [new ref]         40b865d30a4fa79973c98643d4c03db195fa1c15 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40b865d Source url change