$ git clone -n https://gitee.com/src-opencloudos-rpms/expat.git /var/lib/mock/dist-oc9-build-250189-83963/root/chroot_tmpdir/scmroot/expat
Cloning into '/var/lib/mock/dist-oc9-build-250189-83963/root/chroot_tmpdir/scmroot/expat'...
$ git fetch origin fba67add1fa95ff396138183ef5cd26b3a9bae61:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/expat
 * [new ref]         fba67add1fa95ff396138183ef5cd26b3a9bae61 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fba67ad import expat-2.6.4-8.tl4