$ git clone -n https://gitee.com/wenyuzifang/rubygem-asciidoctor.git /var/lib/mock/dist-an23-build-486768-74383/root/chroot_tmpdir/scmroot/rubygem-asciidoctor
Cloning into '/var/lib/mock/dist-an23-build-486768-74383/root/chroot_tmpdir/scmroot/rubygem-asciidoctor'...
$ git fetch origin c7241f6eedb39519aeb7ab910174d83d52d0623f:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/rubygem-asciidoctor
 * [new ref]         c7241f6eedb39519aeb7ab910174d83d52d0623f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c7241f6 Update code from upstream