$ git clone -n https://gitee.com/wenyuzifang/python-jaraco-classes.git /var/lib/mock/dist-an23-build-466490-73981/root/chroot_tmpdir/scmroot/python-jaraco-classes
Cloning into '/var/lib/mock/dist-an23-build-466490-73981/root/chroot_tmpdir/scmroot/python-jaraco-classes'...
$ git fetch origin 458908e25222fffadb687e274e2e2d1a9404919c:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/python-jaraco-classes
 * [new ref]         458908e25222fffadb687e274e2e2d1a9404919c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 458908e Update code from upstream