$ git clone -n https://gitee.com/opencloudos-stream/ghc-network-bsd.git /var/lib/mock/dist-oc9-epol-build-91468-59200/root/chroot_tmpdir/scmroot/ghc-network-bsd
Cloning into '/var/lib/mock/dist-oc9-epol-build-91468-59200/root/chroot_tmpdir/scmroot/ghc-network-bsd'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ghc-network-bsd
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 469b6b4 package init