$ git clone -n https://gitee.com/src-opencloudos-rpms/libcap-ng.git /var/lib/mock/dist-oc9-build-42057-14591/root/chroot_tmpdir/scmroot/libcap-ng
Cloning into '/var/lib/mock/dist-oc9-build-42057-14591/root/chroot_tmpdir/scmroot/libcap-ng'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libcap-ng
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e43e93 import libcap-ng-0.8.3-3.tl4