CLI11/book/code/geet.cpp

#include "CLI/CLI.hpp"

#include <iostream>

int main(int argc, char **argv) {

    /// [Intro]
    CLI::App app{"Geet, a command line git lookalike that does nothing"};
    app.require_subcommand(1);
    /// [Intro]

    /// [Add]
    auto add = app.add_subcommand("add", "Add file(s)");

    bool add_update;
    add->add_flag("-u,--update", add_update, "Add updated files only");

    std::vector<std::string> add_files;
    add->add_option("files", add_files, "Files to add");

    add->callback([&]() {
        std::cout << "Adding:";
        if(add_files.empty()) {
            if(add_update)
                std::cout << " all updated files";
            else
                std::cout << " all files";
        } else {
            for(auto file : add_files)
                std::cout << " " << file;
        }
    });
    /// [Add]

    /// [Commit]
    auto commit = app.add_subcommand("commit", "Commit files");

    std::string commit_message;
    commit->add_option("-m,--message", commit_message, "A message")->required();

    commit->callback([&]() { std::cout << "Commit message: " << commit_message; });
    /// [Commit]

    /// [Parse]
    CLI11_PARSE(app, argc, argv);

    std::cout << "\nThanks for using geet!\n" << std::endl;
    return 0;
    /// [Parse]
}