$ git clone -n https://gitee.com/guost123/openblas.git /var/lib/mock/dist-an23.3-build-432125-73058/root/chroot_tmpdir/scmroot/openblas
Cloning into '/var/lib/mock/dist-an23.3-build-432125-73058/root/chroot_tmpdir/scmroot/openblas'...
$ git fetch origin 7ae49176b2a0609f0883c57273d3b01992ee66d7:KOJI_FETCH_HEAD
From https://gitee.com/guost123/openblas
 * [new ref]         7ae49176b2a0609f0883c57273d3b01992ee66d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ae4917 adapt for riscv64