$ git clone -n https://gitee.com/opencloudos-stream/grub-customizer.git /var/lib/mock/dist-oc9-epol-build-82481-57112/root/chroot_tmpdir/scmroot/grub-customizer
Cloning into '/var/lib/mock/dist-oc9-epol-build-82481-57112/root/chroot_tmpdir/scmroot/grub-customizer'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/grub-customizer
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 95cd305 package init