Luna/apps/ln.cpp

#include <os/ArgumentParser.h>
#include <stdio.h>
#include <unistd.h>

Result<int> luna_main(int argc, char** argv)
{
    StringView target;
    StringView linkpath;

    bool create_symlink { false };

    os::ArgumentParser parser;
    parser.add_description("Create links between files.");
    parser.add_system_program_info("ln"_sv);
    parser.add_positional_argument(target, "target", true);
    parser.add_positional_argument(linkpath, "linkpath", true);
    parser.add_switch_argument(create_symlink, 's', "symbolic"_sv, "create symlinks instead of hard links"_sv);
    parser.parse(argc, argv);

    auto link_function = create_symlink ? symlink : link;

    if (link_function(target.chars(), linkpath.chars()) < 0)
    {
        perror("ln");
        return 1;
    }

    return 0;
}