$ git clone -n https://gitee.com/src-anolis-dde/deepin-keyring-whitebox.git /var/lib/mock/dist-an23-dde-build-537712-83323/root/chroot_tmpdir/scmroot/deepin-keyring-whitebox
Cloning into '/var/lib/mock/dist-an23-dde-build-537712-83323/root/chroot_tmpdir/scmroot/deepin-keyring-whitebox'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-dde/deepin-keyring-whitebox
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84ce15d provide whitebox support for root