$ git clone -n https://src.fedoraproject.org/rpms/avogadro2.git /var/lib/mock/f40-build-795490-140206/root/chroot_tmpdir/scmroot/avogadro2
Cloning into '/var/lib/mock/f40-build-795490-140206/root/chroot_tmpdir/scmroot/avogadro2'...
$ git fetch origin 75fca575ec481de9e84e5b390375cb5ce1d71b49:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/avogadro2
 * [new ref]         75fca575ec481de9e84e5b390375cb5ce1d71b49 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75fca57 Rebuild for spglib-2.2.0