$ git clone -n https://gitee.com/wenyuzifang/libtracefs.git /var/lib/mock/dist-an23-build-480900-74252/root/chroot_tmpdir/scmroot/libtracefs
Cloning into '/var/lib/mock/dist-an23-build-480900-74252/root/chroot_tmpdir/scmroot/libtracefs'...
$ git fetch origin e210d4b8764172482dc6079380e3b4746b653715:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libtracefs
 * [new ref]         e210d4b8764172482dc6079380e3b4746b653715 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e210d4b Update code from upstream