$ git clone -n https://gitee.com/wenyuzifang/tokyocabinet.git /var/lib/mock/dist-an23-build-481723-74252/root/chroot_tmpdir/scmroot/tokyocabinet
Cloning into '/var/lib/mock/dist-an23-build-481723-74252/root/chroot_tmpdir/scmroot/tokyocabinet'...
$ git fetch origin 5499769bcc299ddeae5bd3ef44ae2e8c010fc0c0:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/tokyocabinet
 * [new ref]         5499769bcc299ddeae5bd3ef44ae2e8c010fc0c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5499769 Update code from upstream