$ git clone -n https://gitee.com/fundawang/gnutls_1.git /var/lib/mock/dist-an23-build-329258-69263/root/chroot_tmpdir/scmroot/gnutls_1
Cloning into '/var/lib/mock/dist-an23-build-329258-69263/root/chroot_tmpdir/scmroot/gnutls_1'...
$ git fetch origin f1a2d9b8832924e9329e71538212e6c1867fbbf5:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/gnutls_1
 * [new ref]         f1a2d9b8832924e9329e71538212e6c1867fbbf5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f1a2d9b 3.8.2