$ git clone -n https://gitee.com/src-opencloudos-rpms/gnupg2.git /var/lib/mock/dist-oc8-build-233543-81882/root/chroot_tmpdir/scmroot/gnupg2
Cloning into '/var/lib/mock/dist-oc8-build-233543-81882/root/chroot_tmpdir/scmroot/gnupg2'...
$ git fetch origin c0d9ffdf62e496d17b87e4437a0f97343149bb4d:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gnupg2
 * [new ref]         c0d9ffdf62e496d17b87e4437a0f97343149bb4d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0d9ffd import gnupg2-2.2.20-4.tl3