$ git clone -n https://gitee.com/wenyuzifang/rubygem-asciidoctor.git /var/lib/mock/dist-an23-build-466168-73955/root/chroot_tmpdir/scmroot/rubygem-asciidoctor
Cloning into '/var/lib/mock/dist-an23-build-466168-73955/root/chroot_tmpdir/scmroot/rubygem-asciidoctor'...
$ git fetch origin 051a8f796bee1d751dcc62207f3b9d289e1ebc60:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/rubygem-asciidoctor
 * [new ref]         051a8f796bee1d751dcc62207f3b9d289e1ebc60 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 051a8f7 Update code from upstream