$ git clone -n https://gitee.com/opencloudos-stream/x509watch.git /var/lib/mock/dist-oc9-epol-build-221330-80949/root/chroot_tmpdir/scmroot/x509watch
Cloning into '/var/lib/mock/dist-oc9-epol-build-221330-80949/root/chroot_tmpdir/scmroot/x509watch'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/x509watch
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0d10652 !2 Add BuildRequires systemd-devel Merge pull request !2 from brucezhang/master