verify.sh

#!/usr/bin/env bash
# ==================================================
#   _____ _ _ _             _
#  |     |_| | |___ ___ ___|_|_ _ _____
#  | | | | | | | -_|   |   | | | |     |
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#
# ==================================================
#
# Copyright (c) 2026 Project Millennium
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# furnished to do so, subject to the following conditions:
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# SOFTWARE.

# Verifies vendored tarballs against their upstream sources.
set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$SCRIPT_DIR"

PASS=0
FAIL=0
TMPDIR="$(mktemp -d)"
trap 'rm -rf "$TMPDIR"' EXIT

check() {
	local file="$1"
	local url="$2"

	if [[ ! -f "$file" ]]; then
		echo "MISSING  $file"
		FAIL=$((FAIL + 1))
		return
	fi

	printf "checking %-40s ... " "$file"
	curl -fsSL -o "$TMPDIR/$file" "$url"

	local committed upstream
	committed="$(shasum -a 256 "$file" | awk '{print $1}')"
	upstream="$(shasum -a 256 "$TMPDIR/$file" | awk '{print $1}')"

	if [[ "$committed" == "$upstream" ]]; then
		echo "OK"
		PASS=$((PASS + 1))
	else
		echo "MISMATCH"
		echo "  committed: $committed"
		echo "  upstream:  $upstream"
		FAIL=$((FAIL + 1))
	fi
}

check zlib-2.2.5.tar.gz https://github.com/zlib-ng/zlib-ng/archive/refs/tags/2.2.5.tar.gz
check nlohmann_json-v3.12.0.tar.gz https://github.com/nlohmann/json/archive/refs/tags/v3.12.0.tar.gz
check minizip_ng-4.0.10.tar.gz https://github.com/zlib-ng/minizip-ng/archive/refs/tags/4.0.10.tar.gz
check curl-8_13_0.tar.gz https://github.com/curl/curl/archive/refs/tags/curl-8_13_0.tar.gz
check catch2-v3.5.3.tar.gz https://github.com/catchorg/Catch2/archive/refs/tags/v3.5.3.tar.gz

echo ""
echo "$PASS passed, $FAIL failed"
[[ $FAIL -eq 0 ]]