$ git clone -n https://src.fedoraproject.org/rpms/sugar-toolkit-gtk3.git /var/lib/mock/f40-build-1526406-23923/root/chroot_tmpdir/scmroot/sugar-toolkit-gtk3
Cloning into '/var/lib/mock/f40-build-1526406-23923/root/chroot_tmpdir/scmroot/sugar-toolkit-gtk3'...
$ git fetch origin 505d5f890d26edd85f04f2b8b7ee8aad14fe23b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sugar-toolkit-gtk3
 * [new ref]         505d5f890d26edd85f04f2b8b7ee8aad14fe23b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 505d5f8 New Release 0.121