{

auto* sub = app.add_subcommand("clone", "Clone a directory into a new repository");

sub->add_option("<repository>", m_repository, "The (possibly remote) repository to clone from.")->required();

sub->add_option("<directory>", m_directory, "The name of a new directory to clone into.");

sub->add_option("--depth", m_depth, "Create a shallow clone of that depth.");

// sub->add_option("--shallow-since", m_shallow_since, "<time>\ndeepen history of shallow repository based

// on time."); sub->add_option("--shallow-exclude", m_shallow_exclude, "<ref>\ndeepen history of shallow

// clone, excluding ref");

sub->add_flag("--bare", m_bare, "Create a bare Git repository.");

sub->callback(

[this]()

{

this->run();

}

);

{

wasm_http_transport_scope transport; // Enables wasm http(s) transport.

// m_depth = 0 means no shallow clone in libgit2, while

// it is forbidden with git. Therefore we use another

// sentinel value to detect full clone.

if (m_depth == 0)

{

std::cout << "fatal: depth 0 is not a positive number" << std::endl;

return;

}

if (m_depth == std::numeric_limits<size_t>::max())

{

m_depth = 0;

}

git_indexer_progress pd;

git_clone_options clone_opts = GIT_CLONE_OPTIONS_INIT;

git_checkout_options checkout_opts = GIT_CHECKOUT_OPTIONS_INIT;

checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE;

checkout_opts.progress_cb = checkout_progress;

checkout_opts.progress_payload = &pd;

clone_opts.checkout_opts = checkout_opts;

if (want_user_credentials())

{

clone_opts.fetch_opts.callbacks.credentials = user_credentials;

}

clone_opts.fetch_opts.callbacks.sideband_progress = sideband_progress;

clone_opts.fetch_opts.callbacks.transfer_progress = fetch_progress;

clone_opts.fetch_opts.callbacks.payload = &pd;

clone_opts.fetch_opts.depth = m_depth;

clone_opts.bare = m_bare ? 1 : 0;

std::string short_name = m_directory;

if (m_directory.empty())

{

auto size = m_repository.size();

auto begin = m_repository.find_last_of('/') + 1;

auto end = m_repository.ends_with(".git") ? size - 4 : size;

auto count = end - begin;

short_name = m_repository.substr(begin, count);

m_directory = get_current_git_path() + '/' + short_name;

}

std::cout << "Cloning into '" + short_name + "'..." << std::endl;

cursor_hider ch;

repository_wrapper::clone(m_repository, m_directory, clone_opts);