$ git clone -n https://gitee.com/src-anolis-os/grubby.git /var/lib/mock/dist-an23-build-190562-60788/root/chroot_tmpdir/scmroot/grubby
Cloning into '/var/lib/mock/dist-an23-build-190562-60788/root/chroot_tmpdir/scmroot/grubby'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/grubby
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 481d316 Bump release for upgrading from anolis 8