$ git clone -n https://gitee.com/opencloudos-stream/ghc-bifunctors.git /var/lib/mock/dist-oc9-epol-build-222283-81000/root/chroot_tmpdir/scmroot/ghc-bifunctors
Cloning into '/var/lib/mock/dist-oc9-epol-build-222283-81000/root/chroot_tmpdir/scmroot/ghc-bifunctors'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ghc-bifunctors
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ccdeca1 Update to 5.6.2