git2cpp/src/wrapper/index_wrapper.cpp at 6c343c90caa04faf403fe0e576b648d7213f8cd2 · SandrineP/git2cpp · GitHub

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#include "index_wrapper.hpp"

#include <algorithm>
#include <iostream>
#include <vector>

#include <git2/index.h>

#include "../utils/common.hpp"
#include "../utils/git_exception.hpp"
#include "../wrapper/repository_wrapper.hpp"

index_wrapper::~index_wrapper()
{
    git_index_free(p_resource);
    p_resource = nullptr;
}

index_wrapper index_wrapper::init(repository_wrapper& rw)
{
    index_wrapper index;
    throw_if_error(git_repository_index(&(index.p_resource), rw));
    return index;
}

void index_wrapper::add_entry(const std::string& path)
{
    throw_if_error(git_index_add_bypath(*this, path.c_str()));
}

void index_wrapper::add_entries(std::vector<std::string> patterns)
{
    add_impl(std::move(patterns));
}

void index_wrapper::add_all()
{
    add_impl({{"."}});
}

void index_wrapper::add_impl(std::vector<std::string> patterns)
{
    git_strarray_wrapper array{patterns};
    throw_if_error(git_index_add_all(*this, array, 0, NULL, NULL));
}

void index_wrapper::remove_entry(const std::string& path)
{
    throw_if_error(git_index_remove_bypath(*this, path.c_str()));
}

void index_wrapper::remove_entries(std::vector<std::string> paths)
{
    git_strarray_wrapper array{paths};
    throw_if_error(git_index_remove_all(*this, array, NULL, NULL));
}

void index_wrapper::remove_directories(std::vector<std::string> entries)
{
    std::for_each(
        entries.cbegin(),
        entries.cend(),
        [this](const std::string& path)
        {
            throw_if_error(git_index_remove_directory(*this, path.c_str(), 0));
        }
    );
}

void index_wrapper::write()
{
    throw_if_error(git_index_write(*this));
}

git_oid index_wrapper::write_tree()
{
    git_oid tree_id;
    throw_if_error(git_index_write_tree(&tree_id, *this));
    return tree_id;
}

size_t index_wrapper::entry_count() const
{
    return git_index_entrycount(*this);
}

bool index_wrapper::has_conflict() const
{
    return git_index_has_conflicts(*this);
}

git_index_conflict_iterator* index_wrapper::create_conflict_iterator()
{
    git_index_conflict_iterator* conflict_iterator;
    throw_if_error(git_index_conflict_iterator_new(&conflict_iterator, *this));
    return conflict_iterator;
}

void index_wrapper::output_conflicts()
{
    git_index_conflict_iterator* conflicts = create_conflict_iterator();

    const git_index_entry* ancestor;
    const git_index_entry* our;
    const git_index_entry* their;
    int err = 0;
    std::string msg_conflict;

    while ((err = git_index_conflict_next(&ancestor, &our, &their, conflicts)) == 0)
    {
        std::string ancestor_path = ancestor ? ancestor->path : "";
        std::string our_path = our->path ? our->path : "NULL";
        std::string their_path = their->path ? their->path : "NULL";
        msg_conflict = "conflict: " + ancestor_path + " " + our_path + " " + their_path;
        std::cout << msg_conflict << std::endl;
        // Message with git is a bit different:
        // Auto-merging mook_file.txt
        // CONFLICT (add/add): Merge conflict in mook_file.txt
        // Automatic merge failed; fix conflicts and then commit the result.
    }

    if (err != GIT_ITEROVER)
    {
        std::cout << "error iterating conflicts" << std::endl;
    }

    git_index_conflict_iterator_free(conflicts);
}

void index_wrapper::conflict_cleanup()
{
    throw_if_error(git_index_conflict_cleanup(*this));
}