#!/bin/bash
git log \
    --invert-grep --author='<l10n-bot@translatewiki.net>' \
    --no-merges \
    --name-only --pretty=format: \
    --since='2 years ago' |
    {
        declare -A lines
        while read -r line; do
            if [[ $line ]]; then
                lines[${line/\/*/}]=0
            else
                printf '%d\n' "${#lines[@]}"
                lines=()
            fi
        done
    } |
    sort |
    uniq -c |
    awk '
        {
            total+=$1
            print
        }
        END {
            printf "%7d TOTAL\n", total
        }'