$ git clone -n https://gitee.com/zzrun66/bison /var/lib/mock/dist-oc9-build-66731-17116/root/chroot_tmpdir/scmroot/bison
Cloning into '/var/lib/mock/dist-oc9-build-66731-17116/root/chroot_tmpdir/scmroot/bison'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/zzrun66/bison
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d0833f Fix error with %find_lang not being executed