$ git clone -n https://src.fedoraproject.org/rpms/avogadro2-libs.git /var/lib/mock/f42-build-864638-172514/root/chroot_tmpdir/scmroot/avogadro2-libs
Cloning into '/var/lib/mock/f42-build-864638-172514/root/chroot_tmpdir/scmroot/avogadro2-libs'...
$ git fetch origin d9ea25211351c6971f634508180b81f28b47aa49:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/avogadro2-libs
 * [new ref]         d9ea25211351c6971f634508180b81f28b47aa49 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d9ea252 Rebuild for hdf5 1.14.5