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/*
* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "GitRepo.h"
#include <LibCore/Command.h>
#include <stdio.h>
#include <stdlib.h>
namespace HackStudio {
GitRepo::CreateResult GitRepo::try_to_create(const LexicalPath& repository_root)
{
if (!git_is_installed()) {
return { CreateResult::Type::GitProgramNotFound, nullptr };
}
if (!git_repo_exists(repository_root)) {
return { CreateResult::Type::NoGitRepo, nullptr };
}
return { CreateResult::Type::Success, adopt(*new GitRepo(repository_root)) };
}
RefPtr<GitRepo> GitRepo::initialize_repository(const LexicalPath& repository_root)
{
auto res = command_wrapper({ "init" }, repository_root);
if (res.is_null())
return {};
VERIFY(git_repo_exists(repository_root));
return adopt(*new GitRepo(repository_root));
}
Vector<LexicalPath> GitRepo::unstaged_files() const
{
auto modified = modified_files();
auto untracked = untracked_files();
modified.append(move(untracked));
return modified;
}
//
Vector<LexicalPath> GitRepo::staged_files() const
{
auto raw_result = command({ "diff", "--cached", "--name-only" });
if (raw_result.is_null())
return {};
return parse_files_list(raw_result);
}
Vector<LexicalPath> GitRepo::modified_files() const
{
auto raw_result = command({ "ls-files", "--modified", "--exclude-standard" });
if (raw_result.is_null())
return {};
return parse_files_list(raw_result);
}
Vector<LexicalPath> GitRepo::untracked_files() const
{
auto raw_result = command({ "ls-files", "--others", "--exclude-standard" });
if (raw_result.is_null())
return {};
return parse_files_list(raw_result);
}
Vector<LexicalPath> GitRepo::parse_files_list(const String& raw_result)
{
auto lines = raw_result.split('\n');
Vector<LexicalPath> files;
for (const auto& line : lines) {
files.empend(line);
}
return files;
}
String GitRepo::command(const Vector<String>& command_parts) const
{
return command_wrapper(command_parts, m_repository_root);
}
String GitRepo::command_wrapper(const Vector<String>& command_parts, const LexicalPath& chdir)
{
return Core::command("git", command_parts, chdir);
}
bool GitRepo::git_is_installed()
{
return !command_wrapper({ "--help" }, LexicalPath("/")).is_null();
}
bool GitRepo::git_repo_exists(const LexicalPath& repo_root)
{
return !command_wrapper({ "status" }, repo_root).is_null();
}
bool GitRepo::stage(const LexicalPath& file)
{
return !command({ "add", file.string() }).is_null();
}
bool GitRepo::unstage(const LexicalPath& file)
{
return !command({ "reset", "HEAD", "--", file.string() }).is_null();
}
bool GitRepo::commit(const String& message)
{
return !command({ "commit", "-m", message }).is_null();
}
Optional<String> GitRepo::original_file_content(const LexicalPath& file) const
{
return command({ "show", String::formatted("HEAD:{}", file) });
}
Optional<String> GitRepo::unstaged_diff(const LexicalPath& file) const
{
return command({ "diff", file.string().characters() });
}
bool GitRepo::is_tracked(const LexicalPath& file) const
{
auto res = command({ "ls-files", file.string() });
if (res.is_null())
return false;
return !res.is_empty();
}
}
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