$ git clone -n https://src.fedoraproject.org/rpms/sddm.git /var/lib/mock/f41-build-side-1-3003344-36656/root/chroot_tmpdir/scmroot/sddm
Cloning into '/var/lib/mock/f41-build-side-1-3003344-36656/root/chroot_tmpdir/scmroot/sddm'...
$ git fetch origin 690a2d0fd4b82bf738f0bcdc8b186bdb51216723:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sddm
 * [new ref]         690a2d0fd4b82bf738f0bcdc8b186bdb51216723 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 690a2d0 Rebuild to pick up F41 wallpapers