blob: bb220d98fad2067281ee7889f91f6a5982dc4481 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
#!/bin/bash
# Copyright (C) 2025 taitep
# Part of aoctools (gitea.taitep.se/taitep/aoctools or github.com/taitep/aoctools)
# SPDX-License-Identifier: MIT
set -euo pipefail
AOC_DIR="${AOC_DIR:-$HOME/.aoc}"
CACHE_DIR="$AOC_DIR/cache"
SESSION_FILE="$AOC_DIR/session"
usage() {
pname=$(basename "$0")
echo "Usage: $pname <year> <day>" >&2
exit 1
}
verify_int() {
if ! [[ "$1" =~ ^[0-9]+$ ]]; then
echo "'$1' is not an integer" >&2
usage
fi
}
if [ $# != 2 ]; then
usage
fi
year="$1"
day="$2"
verify_int "$year"
verify_int "$day"
year_cache_dir="$CACHE_DIR/$year"
cache_file="$year_cache_dir/d$day.in"
mkdir -p "$year_cache_dir"
if [ ! -f "$cache_file" ]; then
echo "Input not cached, downloading..." >&2
if [ ! -f "$SESSION_FILE" ]; then
echo "Error: No session file available" >&2
exit 1
fi
session="$(cat "$SESSION_FILE")"
url="https://adventofcode.com/$year/day/$day/input"
curl -f "$url" -o "$cache_file" -b "session=$session"
fi
cat "$cache_file"
|
