$ git clone -n https://src.fedoraproject.org/rpms/lightdm.git /var/lib/mock/f41-build-side-1-2647780-27313/root/chroot_tmpdir/scmroot/lightdm
Cloning into '/var/lib/mock/f41-build-side-1-2647780-27313/root/chroot_tmpdir/scmroot/lightdm'...
$ git fetch origin d7dd5218a3e8399c0eef3043e10263da9e9a0ff1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lightdm
 * [new ref]         d7dd5218a3e8399c0eef3043e10263da9e9a0ff1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d7dd521 convert license to SPDX