$ git clone -n https://gitee.com/src-anolis-os/nss_nis.git /var/lib/mock/dist-an23.4-build-526226-78760/root/chroot_tmpdir/scmroot/nss_nis
Cloning into '/var/lib/mock/dist-an23.4-build-526226-78760/root/chroot_tmpdir/scmroot/nss_nis'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/nss_nis
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed3d731 update nss_nis.spec.