$ git clone -n https://src.fedoraproject.org/rpms/avogadro2-libs.git /var/lib/mock/f40-build-1723671-24647/root/chroot_tmpdir/scmroot/avogadro2-libs
Cloning into '/var/lib/mock/f40-build-1723671-24647/root/chroot_tmpdir/scmroot/avogadro2-libs'...
$ git fetch origin c6f307f1c9a34189c689a5586da254ca0e75ef6a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/avogadro2-libs
 * [new ref]         c6f307f1c9a34189c689a5586da254ca0e75ef6a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c6f307f Release 1.99.0| Add fragments files