$ git clone -n https://gitee.com/opencloudos-stream/python-pygit2.git /var/lib/mock/dist-oc9-epol-build-106290-66777/root/chroot_tmpdir/scmroot/python-pygit2
Cloning into '/var/lib/mock/dist-oc9-epol-build-106290-66777/root/chroot_tmpdir/scmroot/python-pygit2'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/python-pygit2
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab16c7e update