$ git clone -n https://gitee.com/fundawang/libxfce4util.git /var/lib/mock/dist-an23-build-312687-67129/root/chroot_tmpdir/scmroot/libxfce4util
Cloning into '/var/lib/mock/dist-an23-build-312687-67129/root/chroot_tmpdir/scmroot/libxfce4util'...
$ git fetch origin ac2419b649a5c3fb6c0fd9ff42e9dc9dc37ca9b1:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/libxfce4util
 * [new ref]         ac2419b649a5c3fb6c0fd9ff42e9dc9dc37ca9b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac2419b 4.18.1