$ git clone -n https://gitee.com/mgb01105731/libdmapsharing4.git /var/lib/mock/dist-an23-build-285769-64769/root/chroot_tmpdir/scmroot/libdmapsharing4
Cloning into '/var/lib/mock/dist-an23-build-285769-64769/root/chroot_tmpdir/scmroot/libdmapsharing4'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libdmapsharing4
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26e2ab9 init upstream from version 3.9.12