#!/bin/bash

qy="athrun ops qy"

datadir=${1:-$HOME/Private/listdiff}
if ! [[ -d "$datadir" ]]; then
    echo "Please create and initialize the data directory"
    echo "($datadir)"
    echo "and rerun this script."
    exit 1
fi
cd "$datadir"

queries=( "gaus" "glom" )
subjectname="$USER"

while true; do
    printf "\n\n"
    date

    for query in ${queries[@]}; do
        for mod in "" "r"; do
            hmod=$mod
            if [ -z "$mod" ]; then hmod="nr"; fi
            $qy $query ${mod}user "$subjectname" -s | sort > $query-user-$hmod.txt
            $qy $query ${mod}kerberos "$subjectname@ATHENA.MIT.EDU" -s | sort > $query-kerb-$hmod.txt
        done
    done

    stat="$(git diff --stat)"

    for file in *.txt; do
        result="$(git diff "$file")"
        if [ -n "$result" ]; then
            zwrite -c "$subjectname-lists" -i "$file" "$subjectname" -m "$result"
        fi
    done

    git commit -a -m "$(printf "Regular list update: %s\n\n%s" "$(date)" "$stat")"

    sleep 5m
done