$ git clone -n https://gitee.com/opencloudos-stream/ghc-lens.git /var/lib/mock/dist-oc9-epol-build-224624-81075/root/chroot_tmpdir/scmroot/ghc-lens
Cloning into '/var/lib/mock/dist-oc9-epol-build-224624-81075/root/chroot_tmpdir/scmroot/ghc-lens'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ghc-lens
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 773c1f8 !3 Update to 5.3.4 Merge pull request !3 from brucezhang/master