$ git clone -n https://gitee.com/src-opencloudos-rpms/libgpg-error.git /var/lib/mock/dist-oc9-build-60398-16463/root/chroot_tmpdir/scmroot/libgpg-error
Cloning into '/var/lib/mock/dist-oc9-build-60398-16463/root/chroot_tmpdir/scmroot/libgpg-error'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libgpg-error
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e08de48 import libgpg-error-1.47-2.tl4