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#include "command.h"
#include <cassert>
#include "config.h"
namespace katja
{
void list::execute() const
{
for (const auto& package : katja::read_package_database())
{
std::cout << package.second.name()
<< " " << package.second.version()
<< " (" << package.second.tag() << ")"
<< std::endl;
}
}
void help::execute() const
{
std::cout << "Usage:\n"
"\tkatja {list|update|help} [OPTIONS]\n\n";
}
update::update()
: git_binary(boost::process::search_path("git"))
{
}
void update::execute() const
{
std::filesystem::path workdir{ WORKDIR };
std::filesystem::path repository = workdir / "sbo/repository";
std::filesystem::file_status repository_status = std::filesystem::status(repository);
if (std::filesystem::exists(repository_status)
&& !std::filesystem::is_directory(repository_status))
{
throw std::runtime_error("The working directory path \""
+ repository.string() + "\" exists, but it isn't a directory.");
}
else if (!std::filesystem::exists(repository_status))
{
git("clone", std::filesystem::path(),
"git://git.slackbuilds.org/slackbuilds.git", repository.native());
}
git("remote", repository.native(), "update", "--prune");
git("reset", repository.native(), "--hard", "origin/master");
}
command_exception::command_exception(const command_exception_t exception_type,
std::vector<std::string> failed_arguments) noexcept
: m_exception_type(exception_type), m_failed_arguments(failed_arguments)
{
}
const char *command_exception::what() const noexcept
{
switch (m_exception_type)
{
case command_exception_t::no_command:
return "No command specified.";
case command_exception_t::too_many_arguments:
return "Too many arguments given.";
case command_exception_t::unknown_command:
return "Unknown command.";
}
assert(false);
}
const std::vector<std::string>& command_exception::failed_arguments() const noexcept
{
return m_failed_arguments;
}
std::unique_ptr<command> parse_command_line(int argc, char **argv)
{
if (argc > 2)
{
std::vector<std::string> failed_arguments;
for (std::size_t i = 2; i < argc; ++i)
{
failed_arguments.push_back(argv[i]);
}
throw command_exception(command_exception_t::unknown_command);
}
else if (argc < 2)
{
throw command_exception(command_exception_t::no_command);
}
if (strcmp(argv[1], "list") == 0)
{
return std::make_unique<list>();
}
else if (strcmp(argv[1], "update") == 0)
{
return std::make_unique<update>();
}
else if (strcmp(argv[1], "help") == 0)
{
return std::make_unique<help>();
}
throw command_exception(command_exception_t::unknown_command, { argv[1] });
}
}
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