#!/bin/bash

out="$(rg "$@" --json | jq -r \
  'select(.type == "match")
    | [.data.path.text, .data.line_number]
    | map(tostring) | join(" ")' -r)"
{
  while read -r path line; do
    printf "%s\n" "$(git log -n1 -s -L "$line",$((line + 1)):"$path" --pretty=format:"%an")" &
  done < <(echo "$out")
  wait
} | sort | uniq -c | sort -nrk1