$ git clone -n https://gitee.com/opencloudos-stream/kf5-kidentitymanagement.git /var/lib/mock/dist-oc9-epol-build-112111-67770/root/chroot_tmpdir/scmroot/kf5-kidentitymanagement
Cloning into '/var/lib/mock/dist-oc9-epol-build-112111-67770/root/chroot_tmpdir/scmroot/kf5-kidentitymanagement'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/kf5-kidentitymanagement
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef21d11 update