$ git clone -n https://gitee.com/chen_yu_ao/gnutls.git /var/lib/mock/dist-an23-build-193097-60812/root/chroot_tmpdir/scmroot/gnutls
Cloning into '/var/lib/mock/dist-an23-build-193097-60812/root/chroot_tmpdir/scmroot/gnutls'...
$ git fetch origin f5cc4f3202ce9a89d0cb377863bd30351ad7a9db:KOJI_FETCH_HEAD
From https://gitee.com/chen_yu_ao/gnutls
 * [new ref]         f5cc4f3202ce9a89d0cb377863bd30351ad7a9db -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f5cc4f3 optimise spec format, generate abi files and add patch to suppress warnings