$ git clone -n https://gitee.com/src-opencloudos-rpms/libcap-ng.git /var/lib/mock/dist-oc9-la64-build-126441-76136/root/chroot_tmpdir/scmroot/libcap-ng
Cloning into '/var/lib/mock/dist-oc9-la64-build-126441-76136/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 afb908c import libcap-ng-0.8.3-7.tl4