$ git clone -n https://gitee.com/wenyuzifang/libcanberra.git /var/lib/mock/dist-an23-build-485249-74348/root/chroot_tmpdir/scmroot/libcanberra
Cloning into '/var/lib/mock/dist-an23-build-485249-74348/root/chroot_tmpdir/scmroot/libcanberra'...
$ git fetch origin 91b3775e465464c11ada91ff8f065c15b2673560:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libcanberra
 * [new ref]         91b3775e465464c11ada91ff8f065c15b2673560 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 91b3775 Update code from upstream