$ git clone -n https://gitee.com/opencloudos-stream/ghc-MonadRandom.git /var/lib/mock/dist-oc9-epol-build-101900-65924/root/chroot_tmpdir/scmroot/ghc-MonadRandom
Cloning into '/var/lib/mock/dist-oc9-epol-build-101900-65924/root/chroot_tmpdir/scmroot/ghc-MonadRandom'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ghc-MonadRandom
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 20cd6f3 update