$ git clone -n https://gitee.com/src-opencloudos-rpms/system-logos.git /var/lib/mock/dist-oc9-build-121714-71747/root/chroot_tmpdir/scmroot/system-logos
Cloning into '/var/lib/mock/dist-oc9-build-121714-71747/root/chroot_tmpdir/scmroot/system-logos'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/system-logos
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f84a142 import system-logos-1.0.5-1.tl4