$ git clone -n https://src.fedoraproject.org/rpms/gnome-remote-desktop.git /var/lib/mock/f41-build-846103-162961/root/chroot_tmpdir/scmroot/gnome-remote-desktop
Cloning into '/var/lib/mock/f41-build-846103-162961/root/chroot_tmpdir/scmroot/gnome-remote-desktop'...
$ git fetch origin 8cae364fd6508112332c7837def7fe95868a422d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-remote-desktop
 * [new ref]         8cae364fd6508112332c7837def7fe95868a422d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8cae364 Update to 47~beta