$ git clone -n https://src.fedoraproject.org/rpms/lazygal.git /var/lib/mock/f40-build-2219230-52636/root/chroot_tmpdir/scmroot/lazygal
Cloning into '/var/lib/mock/f40-build-2219230-52636/root/chroot_tmpdir/scmroot/lazygal'...
$ git fetch origin e3234194569201105958d49c97eb4d6aa5010d6e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lazygal
 * [new ref]         e3234194569201105958d49c97eb4d6aa5010d6e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e323419 Merge branch 'f38' into f39