$ git clone -n https://gitee.com/opencloudos-stream/dolphin-plugins.git /var/lib/mock/dist-oc9-epol-build-115987-68000/root/chroot_tmpdir/scmroot/dolphin-plugins
Cloning into '/var/lib/mock/dist-oc9-epol-build-115987-68000/root/chroot_tmpdir/scmroot/dolphin-plugins'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/dolphin-plugins
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5fa5da2 update