$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-IO-Zlib.git /var/lib/mock/dist-oc9-build-71216-47532/root/chroot_tmpdir/scmroot/perl-IO-Zlib
Cloning into '/var/lib/mock/dist-oc9-build-71216-47532/root/chroot_tmpdir/scmroot/perl-IO-Zlib'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-IO-Zlib
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab940e4 import perl-IO-Zlib-1.14-1.tl4