$ git clone -n https://gitee.com/src-anolis-os/flexiblas.git /var/lib/mock/dist-an23-build-334669-69664/root/chroot_tmpdir/scmroot/flexiblas
Cloning into '/var/lib/mock/dist-an23-build-334669-69664/root/chroot_tmpdir/scmroot/flexiblas'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/flexiblas
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3034d65 fix build error for loongarch64