$ git clone -n https://gitee.com/src-opencloudos-rpms/openblas /var/lib/mock/dist-oc8-build-57058-15205/root/chroot_tmpdir/scmroot/openblas
Cloning into '/var/lib/mock/dist-oc8-build-57058-15205/root/chroot_tmpdir/scmroot/openblas'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/openblas
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e666365 import openblas-0.3.15-6.tl3