$ git clone -n https://gitee.com/opencloudos-stream/rubygem-kramdown-parser-gfm.git /var/lib/mock/dist-ocs23-build-29615-1191/root/chroot_tmpdir/scmroot/rubygem-kramdown-parser-gfm
Cloning into '/var/lib/mock/dist-ocs23-build-29615-1191/root/chroot_tmpdir/scmroot/rubygem-kramdown-parser-gfm'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rubygem-kramdown-parser-gfm
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c2b7738 OCS package init