$ git clone -n https://src.fedoraproject.org/rpms/avogadro2.git /var/lib/mock/f40-build-2260805-54422/root/chroot_tmpdir/scmroot/avogadro2
Cloning into '/var/lib/mock/f40-build-2260805-54422/root/chroot_tmpdir/scmroot/avogadro2'...
$ git fetch origin 3ee9f6baa0c365b8b541b29b74ae3bc67a820714:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/avogadro2
 * [new ref]         3ee9f6baa0c365b8b541b29b74ae3bc67a820714 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3ee9f6b Fix i18n version