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Copy pathfetch_subcommand.cpp
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96 lines (81 loc) · 3.1 KB
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#include "../subcommand/fetch_subcommand.hpp"
#include <iostream>
#include <git2/remote.h>
#include "../utils/credentials.hpp"
#include "../utils/input_output.hpp"
#include "../utils/progress.hpp"
#include "../wasm/scope.hpp"
#include "../wrapper/repository_wrapper.hpp"
fetch_subcommand::fetch_subcommand(const libgit2_object&, CLI::App& app)
{
auto* sub = app.add_subcommand("fetch", "Download objects and refs from another repository");
sub->add_option("<remote>", m_remote_name, "The remote to fetch from")->default_val("origin");
sub->add_option("--depth", m_depth, "deepen or shorten history of shallow clone");
sub->add_option("--deepen", m_deepen, "deepen history of shallow clone");
// 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("--unshallow", m_unshallow, "convert to a complete repository");
// sub->add_flag("--update-shallow", m_update_shallow, "accept refs that update .git/shallow");
sub->callback(
[this]()
{
this->run();
}
);
}
void fetch_subcommand::run()
{
wasm_http_transport_scope transport; // Enables wasm http(s) transport.
auto directory = get_current_git_path();
auto repo = repository_wrapper::open(directory);
// Find the remote (default to origin if not specified)
std::string remote_name = m_remote_name.empty() ? "origin" : m_remote_name;
auto remote = repo.find_remote(remote_name);
git_indexer_progress pd = {0};
git_fetch_options fetch_opts = GIT_FETCH_OPTIONS_INIT;
if (want_user_credentials())
{
fetch_opts.callbacks.credentials = user_credentials;
}
fetch_opts.callbacks.sideband_progress = sideband_progress;
fetch_opts.callbacks.transfer_progress = fetch_progress;
fetch_opts.callbacks.payload = &pd;
fetch_opts.callbacks.update_refs = update_refs;
if (repo.is_shallow())
{
if (m_unshallow)
{
fetch_opts.depth = GIT_FETCH_DEPTH_UNSHALLOW;
}
else if (m_deepen > 0)
{
size_t shallow_size = repo.shallow_depth_from_head();
fetch_opts.depth = shallow_size + m_deepen;
}
else
{
fetch_opts.depth = m_depth;
}
}
else
{
fetch_opts.depth = 0;
}
cursor_hider ch;
// Perform the fetch
remote.fetch(nullptr, &fetch_opts, "fetch");
// Show statistics
const git_indexer_progress* stats = git_remote_stats(remote);
if (stats->local_objects > 0)
{
std::cout << "\rReceived " << stats->indexed_objects << "/" << stats->total_objects << " objects in "
<< stats->received_bytes << " bytes (used " << stats->local_objects << " local objects)"
<< std::endl;
}
else
{
std::cout << "\rReceived " << stats->indexed_objects << "/" << stats->total_objects << " objects in "
<< stats->received_bytes << " bytes" << std::endl;
}
}