$ git clone -n https://src.fedoraproject.org/rpms/gnome-network-displays.git /var/lib/mock/f40-build-790821-136875/root/chroot_tmpdir/scmroot/gnome-network-displays
Cloning into '/var/lib/mock/f40-build-790821-136875/root/chroot_tmpdir/scmroot/gnome-network-displays'...
$ git fetch origin b6309f3c13cd334fa5efa0b319f67e1ba00587b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-network-displays
 * [new ref]         b6309f3c13cd334fa5efa0b319f67e1ba00587b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b6309f3 Update to v0.92.1