$ git clone -n https://gitee.com/opencloudos-stream/ghc-htoml.git /var/lib/mock/dist-oc9-epol-build-101778-65899/root/chroot_tmpdir/scmroot/ghc-htoml
Cloning into '/var/lib/mock/dist-oc9-epol-build-101778-65899/root/chroot_tmpdir/scmroot/ghc-htoml'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ghc-htoml
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3739073 update