$ git clone -n https://gitee.com/src-opencloudos-rpms/delve.git /var/lib/mock/dist-oc9-build-120657-71402/root/chroot_tmpdir/scmroot/delve
Cloning into '/var/lib/mock/dist-oc9-build-120657-71402/root/chroot_tmpdir/scmroot/delve'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/delve
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e176b7f import delve-1.22.0-5.tl4