$ git clone -n https://gitee.com/fundawang/expat.git /var/lib/mock/dist-an23-build-353712-71027/root/chroot_tmpdir/scmroot/expat
Cloning into '/var/lib/mock/dist-an23-build-353712-71027/root/chroot_tmpdir/scmroot/expat'...
$ git fetch origin 7fe029ddbb80945589b7826fa41e6e6157b5c7eb:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/expat
 * [new ref]         7fe029ddbb80945589b7826fa41e6e6157b5c7eb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7fe029d 2.6.0