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// Copyright (c) 2026 Progmasoft.
// SPDX-License-Identifier: MPL-2.0 WITH AdditionRef-Progmasoft-Exception-2.0
// bazelisk run //tools:third_party -- --check
// bazelisk run //tools:third_party -- --update
//
// Keeps third_party/ equal to the archives MODULE.bazel pins by version and
// sha256. BUILD.bazel passes each file as <vendored path>=<runfile>.
#include <iostream>
#include <memory>
#include <string>
#include <string_view>
#include <utility>
#include <vector>
#include "rules_cc/cc/runfiles/runfiles.h"
#include "tools/Repository.hpp"
int
main(int argc, char **argv)
{
using namespace Progmasoft::Catch3::Tools;
using rules_cc::cc::runfiles::Runfiles;
std::vector<std::string_view> files;
std::string_view mode;
bool usable = true;
for (int index = 1; index < argc; ++index)
{
const std::string_view argument{ argv[index] };
if (argument == "--check" || argument == "--update")
{
usable = usable && mode.empty();
mode = argument;
}
else if (argument.find('=') != std::string_view::npos)
{
files.push_back(argument);
}
else
{
usable = false;
}
}
if (!usable || mode.empty())
{
std::cerr << "usage: bazelisk run //tools:third_party -- "
"--check|--update\n";
return 2;
}
const auto root = RepositoryRoot();
if (!root)
{
std::cerr << "run this tool with bazelisk run\n";
return 2;
}
std::string error;
const std::unique_ptr<Runfiles> runfiles{
Runfiles::Create(argv[0], std::string{}, &error)
};
if (runfiles == nullptr)
{
std::cerr << error << '\n';
return 2;
}
Problems problems;
// Every archive is read before any file changes.
std::vector<std::pair<std::string_view, std::string>> archived;
for (const auto file : files)
{
const auto separator = file.find('=');
archived.emplace_back(file.substr(0, separator),
ReadOrReport(runfiles->Rlocation(std::string{
file.substr(separator + 1) }),
problems));
}
if (!problems.empty())
{
return Finish(problems);
}
for (const auto &[vendored, text] : archived)
{
if (mode == "--check")
{
if (ReadText(*root / vendored) != text)
{
problems.push_back(std::string{ vendored }
+ " differs from its pinned archive: run "
"bazelisk run //tools:third_party -- "
"--update");
}
}
else if (!WriteText(*root / vendored, text))
{
problems.push_back("cannot write " + std::string{ vendored });
}
}
return Finish(problems);
}
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