$ git clone -n https://gitee.com/wenyuzifang/gnu-efi.git /var/lib/mock/dist-an23-build-464778-73881/root/chroot_tmpdir/scmroot/gnu-efi
Cloning into '/var/lib/mock/dist-an23-build-464778-73881/root/chroot_tmpdir/scmroot/gnu-efi'...
$ git fetch origin ad1fc41d9b86dc93885babce73f0e7b0a3f12ce5:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/gnu-efi
 * [new ref]         ad1fc41d9b86dc93885babce73f0e7b0a3f12ce5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad1fc41 Update code from upstream