$ git clone -n https://gitee.com/opencloudos-stream/ghc-hashable.git /var/lib/mock/dist-oc9-epol-build-91267-59173/root/chroot_tmpdir/scmroot/ghc-hashable
Cloning into '/var/lib/mock/dist-oc9-epol-build-91267-59173/root/chroot_tmpdir/scmroot/ghc-hashable'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ghc-hashable
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f94f10e package init