$ git clone -n https://src.fedoraproject.org/rpms/openblas.git /var/lib/mock/f39-build-2135987-50818/root/chroot_tmpdir/scmroot/openblas
Cloning into '/var/lib/mock/f39-build-2135987-50818/root/chroot_tmpdir/scmroot/openblas'...
$ git fetch origin 529f54963b6d052b36b8699e062a7e021fe3fd2b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openblas
 * [new ref]         529f54963b6d052b36b8699e062a7e021fe3fd2b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 529f549 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild