$ git clone -n https://gitee.com/wenyuzifang/fltk.git /var/lib/mock/dist-an23-build-471746-74118/root/chroot_tmpdir/scmroot/fltk
Cloning into '/var/lib/mock/dist-an23-build-471746-74118/root/chroot_tmpdir/scmroot/fltk'...
$ git fetch origin 50a5d7ce38491af742dd495daf60e326e9dc56c4:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/fltk
 * [new ref]         50a5d7ce38491af742dd495daf60e326e9dc56c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50a5d7c Update code from upstream