$ git clone -n https://gitee.com/opencloudos-stream/flang /var/lib/mock/dist-oc9-epol-build-67605-46335/root/chroot_tmpdir/scmroot/flang
Cloning into '/var/lib/mock/dist-oc9-epol-build-67605-46335/root/chroot_tmpdir/scmroot/flang'...
$ git fetch origin b0f90523e7d13facab09f799ad76d0cc3890f7e5:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/flang
 * [new ref]         b0f90523e7d13facab09f799ad76d0cc3890f7e5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0f9052 !1 Initial build Merge pull request !1 from kianli/master