$ git clone -n https://gitee.com/yan1hcdc/openblas.git /var/lib/mock/dist-an23-build-441465-73164/root/chroot_tmpdir/scmroot/openblas
Cloning into '/var/lib/mock/dist-an23-build-441465-73164/root/chroot_tmpdir/scmroot/openblas'...
$ git fetch origin 7a4531aaff2904e0ecec2f6ad4ccebb75badf45d:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/openblas
 * [new ref]         7a4531aaff2904e0ecec2f6ad4ccebb75badf45d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7a4531a add support for riscv build