$ git clone -n https://gitee.com/opencloudos-stream/sddm-kcm.git /var/lib/mock/dist-oc9-epol-build-99577-60470/root/chroot_tmpdir/scmroot/sddm-kcm
Cloning into '/var/lib/mock/dist-oc9-epol-build-99577-60470/root/chroot_tmpdir/scmroot/sddm-kcm'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/sddm-kcm
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb2a618 package init