$ git clone -n https://src.fedoraproject.org/rpms/openblas.git /var/lib/mock/f45-build-20993-577/root/chroot_tmpdir/scmroot/openblas
Cloning into '/var/lib/mock/f45-build-20993-577/root/chroot_tmpdir/scmroot/openblas'...
$ git fetch origin ab5066185a567f4f118e604f987d9cdb572957de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openblas
 * [new ref]         ab5066185a567f4f118e604f987d9cdb572957de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab50661 Update to 0.3.34