$ git clone -n https://gitee.com/wenyuzifang/volume_key.git /var/lib/mock/dist-an23-build-481902-74252/root/chroot_tmpdir/scmroot/volume_key
Cloning into '/var/lib/mock/dist-an23-build-481902-74252/root/chroot_tmpdir/scmroot/volume_key'...
$ git fetch origin c0a4c5c55ca9bd5cf8d1366319b51d66828ed7da:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/volume_key
 * [new ref]         c0a4c5c55ca9bd5cf8d1366319b51d66828ed7da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0a4c5c Update code from upstream