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// Copyright 2015 The Kyua Authors.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of Google Inc. nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Dumps all environment variables.
//
// This helper program allows comparing the printed environment variables
// to what 'kyua report --verbose' may output. It does so by sorting the
// variables and allowing the caller to customize how the output looks
// like (indentation for each line and for continuation lines).
#include <cstdlib>
#include <iostream>
#include "utils/env.hpp"
#include "utils/text/operations.ipp"
namespace text = utils::text;
int
main(const int argc, const char* const* const argv)
{
if (argc != 3) {
std::cerr << "Usage: dump_env <prefix> <continuation-prefix>\n";
return EXIT_FAILURE;
}
const char* prefix = argv[1];
const char* continuation_prefix = argv[2];
const std::map< std::string, std::string > env = utils::getallenv();
for (std::map< std::string, std::string >::const_iterator
iter = env.begin(); iter != env.end(); ++iter) {
const std::string& name = (*iter).first;
const std::vector< std::string > value = text::split(
(*iter).second, '\n');
if (value.empty()) {
std::cout << prefix << name << "=\n";
} else {
std::cout << prefix << name << '=' << value[0] << '\n';
for (std::vector< std::string >::size_type i = 1;
i < value.size(); ++i) {
std::cout << continuation_prefix << value[i] << '\n';
}
}
}
return EXIT_SUCCESS;
}
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