$ git clone -n https://gitee.com/wenyuzifang/lld.git /var/lib/mock/dist-an23-build-471847-74118/root/chroot_tmpdir/scmroot/lld
Cloning into '/var/lib/mock/dist-an23-build-471847-74118/root/chroot_tmpdir/scmroot/lld'...
$ git fetch origin 2c4c183d4b3118eea2f20a0af260871b3b979168:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/lld
 * [new ref]         2c4c183d4b3118eea2f20a0af260871b3b979168 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c4c183 Update code from upstream