$ git clone -n https://gitee.com/wenyuzifang/rubygem-asciidoctor.git /var/lib/mock/dist-an23-build-470279-74061/root/chroot_tmpdir/scmroot/rubygem-asciidoctor
Cloning into '/var/lib/mock/dist-an23-build-470279-74061/root/chroot_tmpdir/scmroot/rubygem-asciidoctor'...
$ git fetch origin f07f9b16bfe5a06850df5af89906608a261b8f27:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/rubygem-asciidoctor
 * [new ref]         f07f9b16bfe5a06850df5af89906608a261b8f27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f07f9b1 Update code from upstream