$ git clone -n https://gitee.com/opencloudos-stream/ghc-th-orphans.git /var/lib/mock/dist-oc9-epol-build-222084-80993/root/chroot_tmpdir/scmroot/ghc-th-orphans
Cloning into '/var/lib/mock/dist-oc9-epol-build-222084-80993/root/chroot_tmpdir/scmroot/ghc-th-orphans'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ghc-th-orphans
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4dd653a !3 Rebuilt for ghc-th-compat Merge pull request !3 from epol/master