$ git clone -n https://gitee.com/src-opencloudos-rpms/unzip.git /var/lib/mock/dist-oc9-build-45370-14591/root/chroot_tmpdir/scmroot/unzip
Cloning into '/var/lib/mock/dist-oc9-build-45370-14591/root/chroot_tmpdir/scmroot/unzip'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/unzip
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d774821 import unzip-6.0-3.tl4