ci/eval: remove left-over stats.json (#408411)

  procps,

  nixVersions,

  jq,

  sta,

  python3,

}:

          rm "$chunkOutputDir"/stats/"$seq_end"

        fi

        # Make sure the glob doesn't break when there's no files

        shopt -s nullglob

        cat "$chunkOutputDir"/result/* > $out/paths

        cat "$chunkOutputDir"/stats/* > $out/stats.jsonstream

      '';

  combine =

      {

        nativeBuildInputs = [

          jq

          sta

        ];

      }

      ''

            ) | from_entries

          ' > $out/outpaths.json

        # Computes min, mean, error, etc. for a list of values and outputs a JSON from that

        statistics() {

          local stat=$1

          sta --transpose |

            jq --raw-input --argjson stat "$stat" -n '

              [

                inputs |

                  split("\t") |

                  { key: .[0], value: (.[1] | fromjson) }

              ] |

                from_entries |

                {

                  key: ($stat | join(".")),

                  value: .

                }'

        }

        # Gets all available number stats (without .sizes because those are constant and not interesting)

        readarray -t stats < <(jq -cs '.[0] | del(.sizes) | paths(type == "number")' ${resultsDir}/*/stats.jsonstream)

        # Combines the statistics from all evaluations

        {

          echo "{ \"key\": \"minAvailMemory\", \"value\": $(cat ${resultsDir}/*/min-avail-memory | sta --brief --min) }"

          echo "{ \"key\": \"minFreeSwap\", \"value\": $(cat ${resultsDir}/*/min-free-swap | sta --brief --min) }"

          cat ${resultsDir}/*/total-time | statistics '["totalTime"]'

          for stat in "''${stats[@]}"; do

            cat ${resultsDir}/*/stats.jsonstream |

              jq --argjson stat "$stat" 'getpath($stat)' |

              statistics "$stat"

          done

        } |

          jq -s from_entries > $out/stats.json

        mkdir -p $out/stats

        for d in ${resultsDir}/*; do