$ git clone -n https://gitee.com/src-anolis-os/seabios.git /var/lib/mock/dist-an23-build-339927-69805/root/chroot_tmpdir/scmroot/seabios
Cloning into '/var/lib/mock/dist-an23-build-339927-69805/root/chroot_tmpdir/scmroot/seabios'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/seabios
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c428af7 update to 1.16.3