$ git clone -n https://gitee.com/opencloudos-stream/ghc-appar.git /var/lib/mock/dist-oc9-epol-build-90901-59130/root/chroot_tmpdir/scmroot/ghc-appar
Cloning into '/var/lib/mock/dist-oc9-epol-build-90901-59130/root/chroot_tmpdir/scmroot/ghc-appar'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ghc-appar
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a41aa4a package init