$ git clone -n https://gitee.com/fundawang/gnupg2.git /var/lib/mock/dist-an23-build-185232-60499/root/chroot_tmpdir/scmroot/gnupg2
Cloning into '/var/lib/mock/dist-an23-build-185232-60499/root/chroot_tmpdir/scmroot/gnupg2'...
$ git fetch origin 12ea45a36b1f01b709de0984d4d880b791f3d33f:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/gnupg2
 * [new ref]         12ea45a36b1f01b709de0984d4d880b791f3d33f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12ea45a 2.4.0