$ git clone -n https://gitee.com/wenyuzifang/libtracefs.git /var/lib/mock/dist-an23-build-471901-74118/root/chroot_tmpdir/scmroot/libtracefs
Cloning into '/var/lib/mock/dist-an23-build-471901-74118/root/chroot_tmpdir/scmroot/libtracefs'...
$ git fetch origin 95767eff50655941d835bc50b0b59eb1f6e1e9a3:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libtracefs
 * [new ref]         95767eff50655941d835bc50b0b59eb1f6e1e9a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 95767ef Update code from upstream