$ git clone -n https://gitee.com/src-opencloudos-rpms/help2man.git /var/lib/mock/dist-oc9-build-70039-47380/root/chroot_tmpdir/scmroot/help2man
Cloning into '/var/lib/mock/dist-oc9-build-70039-47380/root/chroot_tmpdir/scmroot/help2man'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/help2man
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5267c78 import help2man-1.49.3-2.tl4