Git.h

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#ifndef GIT_H
#define GIT_H
 
#include "GitBasicSession.h"
#include "GitTypes.h"
#include "common/misc.h"
#include <QDateTime>
#include <zlib.h>
 
#define GIT_ID_LENGTH (40)
#define PATH_PREFIX "*"
 
enum class LineSide {
    Left,
    Right,
};
 
struct TreeLine {
    int index;
    int depth;
    int color_number = 0;
    bool bend_early = false;
    TreeLine(int index = -1, int depth = -1)
        : index(index)
        , depth(depth)
    {
    }
};
 
class GitContext {
public:
    QString git_command;
    QString ssh_command;
 
    std::shared_ptr<AbstractGitSession> connect() const;
};
 
class Git {
    friend class GitRunner;
private:
    std::shared_ptr<AbstractGitSession> session_;
public:
    class Hash {
    private:
        bool valid_ = false;
        uint8_t id_[GIT_ID_LENGTH / 2];
        template <typename VIEW> void _assign(VIEW const &id);
    public:
        Hash() {}
        explicit Hash(std::string_view const &id);
        explicit Hash(QString const &id);
        explicit Hash(char const *id);
        void assign(std::string_view const &qid);
        void assign(const QString &qid);
        QString toQString(int maxlen = -1) const;
        bool isValid() const;
        int compare(Hash const &other) const
        {
            if (!valid_ && other.valid_) return -1;
            if (valid_ && !other.valid_) return 1;
            if (!valid_ && !other.valid_) return 0;
            return memcmp(id_, other.id_, sizeof(id_));
        }
        operator bool () const
        {
            return isValid();
        }
        size_t _std_hash() const
        {
            return crc32(0, id_, sizeof(id_));
        }
    };
 
    struct Object {
        enum class Type { // 値は固定。packフォーマットで決まってる
            NONE = -1,
            UNKNOWN = 0,
            COMMIT = 1,
            TREE = 2,
            BLOB = 3,
            TAG = 4,
            UNDEFINED = 5,
            OFS_DELTA = 6,
            REF_DELTA = 7,
        };
        Type type = Type::NONE;
        QByteArray content;
        operator bool () const
        {
            return type != Type::NONE;
        }
    };
 
    struct SubmoduleItem {
        QString name;
        Hash id;
        QString path;
        QString refs;
        QString url;
        operator bool () const
        {
            return isValidID(id) && !path.isEmpty();
        }
    };
 
    enum class SignatureGrade {
        NoSignature,
        Unknown,
        Good,
        Dubious,
        Missing,
        Bad,
    };
 
    struct CommitItem {
        Hash commit_id;
        Hash tree;
        QList<Hash> parent_ids;
        QString author;
        QString email;
        QString message;
        QDateTime commit_date;
        std::vector<TreeLine> parent_lines;
        bool has_gpgsig = false;
        QString gpgsig;
        struct {
            QString text;
            char verify = 0; // git log format:%G?
            std::vector<uint8_t> key_fingerprint;
            QString trust;
        } sign;
        bool has_child = false;
        int marker_depth = -1;
        bool resolved =  false;
        bool order_fixed = false; // 時差や時計の誤差などの影響により、並び順の調整が行われたとき
        void setParents(QStringList const &list);
        operator bool () const
        {
            return commit_id;
        }
    };
 
    class CommitItemList {
    public:
        std::vector<CommitItem> list;
        std::map<Hash, size_t> index;
        size_t size() const
        {
            return list.size();
        }
        void resize(size_t n)
        {
            list.resize(n);
        }
        CommitItem &at(size_t i)
        {
            return list[i];
        }
        CommitItem const &at(size_t i) const
        {
            return list.at(i);
        }
        CommitItem &operator [] (size_t i)
        {
            return at(i);
        }
        CommitItem const &operator [] (size_t i) const
        {
            return at(i);
        }
        void clear()
        {
            list.clear();
        }
        bool empty() const
        {
            return list.empty();
        }
        void updateIndex()
        {
            index.clear();
            for (size_t i = 0; i < list.size(); i++) {
                index[list[i].commit_id] = i;
            }
        }
        CommitItem *find(Hash const &id)
        {
            auto it = index.find(id);
            if (it != index.end()) {
                return &list[it->second];
            }
            return nullptr;
        }
        CommitItem const *find(Hash const &id) const
        {
            return const_cast<CommitItemList *>(this)->find(id);
        }
    };
 
    class Hunk {
    public:
        std::string at;
        std::vector<std::string> lines;
    };
    class Diff {
    public:
        enum class Type {
            Unknown,
            Modify,
            Copy,
            Rename,
            Create,
            Delete,
            ChType,
            Unmerged,
        };
        Type type = Type::Unknown;
        QString diff;
        QString index;
        QString path;
        QString mode;
        struct BLOB_AB_ {
            QString a_id_or_path; // コミットIDまたはファイルパス。パスのときは PATH_PREFIX（'*'）で始まる
            QString b_id_or_path;
        } blob;
        QList<Hunk> hunks;
        struct SubmoduleDetail {
            SubmoduleItem item;
            CommitItem commit;
        } a_submodule, b_submodule;
        Diff() = default;
        Diff(QString const &id, QString const &path, QString const &mode)
        {
            makeForSingleFile(this, QString(GIT_ID_LENGTH, '0'), id, path, mode);
        }
        bool isSubmodule() const
        {
            return mode == "160000";
        }
    private:
        void makeForSingleFile(Diff *diff, QString const &id_a, QString const &id_b, QString const &path, QString const &mode);
    };
 
    static SignatureGrade evaluateSignature(char c)
    {
        switch (c) {
        case 'G':
            return SignatureGrade::Good;
        case 'U':
        case 'X':
        case 'Y':
            return SignatureGrade::Dubious;
        case 'B':
        case 'R':
            return SignatureGrade::Bad;
        case 'E':
            return SignatureGrade::Missing;
        case 'N':
        case ' ':
        case 0:
            return SignatureGrade::NoSignature;
        }
        return SignatureGrade::Unknown;
    }
 
    static bool isUncommited(CommitItem const &item)
    {
        return !item.commit_id.isValid();
    }
 
    struct Branch {
        QString name;
        Hash id;
        QString remote;
        int ahead = 0;
        int behind = 0;
        enum {
            None,
            Current = 0x0001,
            HeadDetachedAt = 0x0002,
            HeadDetachedFrom = 0x0004,
        };
        int flags = 0;
        operator bool () const
        {
            return id.isValid() && !name.isEmpty();
        }
        bool isCurrent() const
        {
            return flags & Current;
        }
        bool isHeadDetached() const
        {
            return flags & HeadDetachedAt;
        }
    };
 
    struct Tag {
        QString name;
        Hash id;
    };
 
    enum class FileStatusCode : unsigned int {
        Unknown,
        Ignored,
        Untracked,
        NotUpdated = 0x10000000,
        Staged_ = 0x20000000,
        UpdatedInIndex,
        AddedToIndex,
        DeletedFromIndex,
        RenamedInIndex,
        CopiedInIndex,
        Unmerged_ = 0x40000000,
        Unmerged_BothDeleted,
        Unmerged_AddedByUs,
        Unmerged_DeletedByThem,
        Unmerged_AddedByThem,
        Unmerged_DeletedByUs,
        Unmerged_BothAdded,
        Unmerged_BothModified,
        Tracked_ = 0xf0000000
    };
 
    enum class MergeFastForward {
        Default,
        No,
        Only,
    };
 
    class FileStatus {
    public:
        struct Data {
            char code_x = 0;
            char code_y = 0;
            FileStatusCode code = FileStatusCode::Unknown;
            QString rawpath1;
            QString rawpath2;
            QString path1;
            QString path2;
        } data;
 
        static FileStatusCode parseFileStatusCode(char x, char y);
 
        bool isStaged() const
        {
            return (int)data.code & (int)FileStatusCode::Staged_;
        }
 
        bool isUnmerged() const
        {
            return (int)data.code & (int)FileStatusCode::Unmerged_;
        }
 
        bool isTracked() const
        {
            return (int)data.code & (int)FileStatusCode::Tracked_;
        }
 
        void parse(QString const &text);
 
        FileStatus() = default;
 
        FileStatus(QString const &text)
        {
            parse(text);
        }
 
        FileStatusCode code() const
        {
            return data.code;
        }
 
        int code_x() const
        {
            return data.code_x;
        }
 
        int code_y() const
        {
            return data.code_y;
        }
 
        bool isDeleted() const
        {
            return code_x() == 'D' || code_y() == 'D';
        }
 
        QString path1() const
        {
            return data.path1;
        }
 
        QString path2() const
        {
            return data.path2;
        }
 
        QString rawpath1() const
        {
            return data.rawpath1;
        }
 
        QString rawpath2() const
        {
            return data.rawpath2;
        }
    };
    using FileStatusList = std::vector<FileStatus>;
 
    static QString trimPath(QString const &s);
 
private:
    QStringList make_branch_list_(const std::optional<GitResult> &result);
    FileStatusList status_s_();
    bool commit_(QString const &msg, bool amend, bool sign, AbstractPtyProcess *pty);
    static void parseAheadBehind(QString const &s, Branch *b);
    Git();
    void _init(const GitContext &cx);
    QString encodeQuotedText(QString const &str);
    static std::optional<CommitItem> parseCommitItem(const QString &line);
public:
    Git(GitContext const &cx, QString const &repodir, QString const &submodpath, QString const &sshkey);
    Git(Git &&r) = delete;
    ~Git() = default;
 
    void clearCommandCache();
 
    AbstractGitSession::Info &gitinfo()
    {
        return session_->gitinfo();
    }
    AbstractGitSession::Info const &gitinfo() const
    {
        return session_->gitinfo();
    }
 
    // AbstractGitSession::Var const &var() const
    // {
    //  return session_->var();
    // }
 
    void setCommandCache(GitCommandCache const &cc)
    {
        session_->set_command_cache(cc);
    }
 
    QByteArray toQByteArray(const std::optional<GitResult> &var) const;
    bool isValidGitCommand() const
    {
        return session_->is_connected();
    }
    std::string resultStdString(const std::optional<GitResult> &var) const;
    QString resultQString(const std::optional<GitResult> &var) const;
    std::optional<GitResult> exec_git(QString const &arg, AbstractGitSession::Option const &opt)
    {
        return session_->exec_git(arg, opt);
    }
    std::optional<GitResult> git(QString const &arg)
    {
        return exec_git(arg, {});
    }
    std::optional<GitResult> git_nolog(QString const &arg, AbstractPtyProcess *pty)
    {
        AbstractGitSession::Option opt;
        opt.pty = pty;
        opt.log = false;
        return exec_git(arg, opt);
    }
    std::optional<GitResult> git_nochdir(QString const &arg, AbstractPtyProcess *pty)
    {
        AbstractGitSession::Option opt;
        opt.pty = pty;
        opt.chdir = false;
        return exec_git(arg, opt);
    }
    bool remove(QString const &path)
    {
        return session_->remove(path);
    }
 
    void setWorkingRepositoryDir(QString const &repo, const QString &sshkey);
    void setSubmodulePath(const QString &submodpath);
 
    QString workingDir() const
    {
        return session_->workingDir();
    }
    QString const &sshKey() const;
    void setSshKey(const QString &sshkey);
 
    QString getCurrentBranchName();
    bool isValidWorkingCopy() const;
    QString version();
    bool init();
    QStringList getUntrackedFiles();
 
    CommitItemList log_all(Hash const &id, int maxcount);
    CommitItemList log_file(QString const &path, int maxcount);
    QStringList rev_list_all(Hash const &id, int maxcount);
 
    std::optional<CommitItem> log_signature(Hash const &id);
    CommitItemList log(int maxcount);
    std::optional<CommitItem> queryCommitItem(const Hash &id);
 
    struct CloneData {
        QString url;
        QString basedir;
        QString subdir;
    };
    static CloneData preclone(QString const &url, QString const &path);
    bool clone(CloneData const &data, AbstractPtyProcess *pty);
 
    FileStatusList status_s();
    std::optional<QByteArray> cat_file(Hash const &id);
    void resetFile(QString const &path);
    void resetAllFiles();
    
    void rm(QString const &path, bool rm_real_file);
 
    void add_A();
    bool unstage_all();
 
    void stage(QString const &path);
    bool stage(QStringList const &paths, AbstractPtyProcess *pty);
    void unstage(QString const &path);
    void unstage(QStringList const &paths);
    bool pull(AbstractPtyProcess *pty = nullptr);
 
    bool fetch(AbstractPtyProcess *pty = nullptr, bool prune = false);
 
    QList<Branch> branches();
 
    // int getProcessExitCode(const std::optional<GitResult> &var) const;
 
    QString diff(QString const &old_id, QString const &new_id);
    QString diff_file(QString const &old_path, QString const &new_path);
 
    std::string diff_head(std::function<bool (std::string const &, std::string const &)> fn_accept = nullptr);
 
    struct DiffRaw {
        struct AB {
            QString id;
            QString mode;
        } a, b;
        QString state;
        QStringList files;
    };
 
    struct Remote {
        QString name;
        QString url_fetch;
        QString url_push;
        QString ssh_key;
        bool operator < (Remote const &r) const
        {
            return name < r.name;
        }
        QString const &url() const
        {
            return url_fetch;
        }
        void set_url(QString const &url)
        {
            url_fetch = url;
            url_push = url;
        }
    };
 
    QList<DiffRaw> diff_raw(Hash const &old_id, Hash const &new_id);
 
    static bool isValidID(QString const &id);
    static bool isValidID(Hash const &id)
    {
        return id.isValid();
    }
 
    QString status();
    bool commit(QString const &text, bool sign, AbstractPtyProcess *pty);
    bool commit_amend_m(QString const &text, bool sign, AbstractPtyProcess *pty);
    bool revert(const Hash &id);
    bool push_tags(AbstractPtyProcess *pty = nullptr);
    void remote_v(std::vector<Remote> *out);
    void createBranch(QString const &name);
    void checkoutBranch(QString const &name);
    void mergeBranch(QString const &name, MergeFastForward ff, bool squash);
    bool deleteBranch(QString const &name);
 
    bool checkout(QString const &branch_name, QString const &id = {});
    bool checkout_detach(QString const &id);
 
    void rebaseBranch(QString const &name);
    void rebase_abort();
 
    bool isValidWorkingCopy(QString const &dir) const;
    QString diff_to_file(QString const &old_id, QString const &path);
    QString errorMessage(const std::optional<GitResult> &var) const;
 
    Hash rev_parse(QString const &name);
    QList<Tag> tags();
    bool tag(QString const &name, Hash const &id = {});
    bool delete_tag(QString const &name, bool remote);
    void setRemoteURL(const Remote &remote);
    void addRemoteURL(const Remote &remote);
    void removeRemote(QString const &name);
    QStringList getRemotes();
 
    struct User {
        QString name;
        QString email;
        operator bool () const
        {
            return misc::isValidMailAddress(email);
        }
    };
    enum class Source {
        Default,
        Global,
        Local,
    };
 
    User getUser(Source purpose);
    void setUser(User const&user, bool global);
 
    bool reset_head1();
    bool reset_hard();
    bool clean_df();
    bool push_u(bool set_upstream, QString const &remote, QString const &branch, bool force, AbstractPtyProcess *pty);
    QString objectType(const Hash &id);
    bool rm_cached(QString const &file);
    void cherrypick(QString const &name);
    QString getCherryPicking() const;
 
    QString getMessage(const QString &id);
 
    struct ReflogItem {
        QString id;
        QString head;
        QString command;
        QString message;
        struct File {
            QString atts_a;
            QString atts_b;
            QString id_a;
            QString id_b;
            QString type;
            QString path;
        };
        QList<File> files;
    };
    using ReflogItemList = QList<ReflogItem>;
 
    bool reflog(ReflogItemList *out, int maxcount = 100);
    QByteArray blame(QString const &path);
 
    enum SignPolicy {
        Unset,
        False,
        True,
    };
    QString signingKey(Source purpose);
    bool setSigningKey(QString const &id, bool global);
    SignPolicy signPolicy(Source source);
    bool setSignPolicy(Source source, SignPolicy policy);
    bool configGpgProgram(QString const &path, bool global);
 
    struct RemoteInfo {
        QString commit_id;
        QString name;
    };
    QList<RemoteInfo> ls_remote();
 
    bool stash();
    bool stash_apply();
    bool stash_drop();
 
    struct SubmoduleUpdateData {
        bool init = true;
        bool recursive = true;
    };
 
 
    QList<SubmoduleItem> submodules();
    bool submodule_add(const CloneData &data, bool force, AbstractPtyProcess *pty);
    bool submodule_update(const SubmoduleUpdateData &data, AbstractPtyProcess *pty);
    static std::optional<CommitItem> parseCommit(QByteArray const &ba);
    QString queryEntireCommitMessage(const Hash &id);
 
    QString getDefaultBranch();
    void setDefaultBranch(QString const &branchname);
    void unsetDefaultBranch();
    QDateTime repositoryLastModifiedTime();
 
    std::optional<std::vector<GitFileItem>> ls(const QString &path);
    std::optional<std::vector<char>> readfile(const QString &path);
};
 
struct NamedCommitItem {
    enum class Type {
        None,
        BranchLocal,
        BranchRemote,
        Tag,
    };
    Type type = Type::None;
    QString remote;
    QString name;
    Git::Hash id;
};
using NamedCommitList = QList<NamedCommitItem>;
 
void parseDiff(const std::string_view &s, Git::Diff const *info, Git::Diff *out);
 
void parseGitSubModules(QByteArray const &ba, QList<Git::SubmoduleItem> *out);
 
static inline bool operator == (Git::Hash const &l, Git::Hash const &r)
{
    return l.compare(r) == 0;
}
 
static inline bool operator < (Git::Hash const &l, Git::Hash const &r)
{
    return l.compare(r) < 0;
}
 
namespace std {
template <> class hash<Git::Hash> {
public:
    size_t operator () (Git::Hash const &h) const
    {
        return h._std_hash();
    }
};
}
 
using GitPtr = std::shared_ptr<Git>;
 
// GitRunner
 
class GitRunner {
public:
    GitPtr git;
    GitRunner() = default;
    GitRunner(GitPtr const &git)
        : git(git)
    {
    }
    GitRunner(GitRunner const &that)
        : git(that.git)
    {
    }
    GitRunner(GitRunner &&that)
        : git(std::move(that.git))
    {
    }
    void operator = (GitRunner const &that)
    {
        git = that.git;
    }
    operator bool () const
    {
        return (bool)git;
    }
    GitRunner dup() const;
 
    void clearCommandCache()
    {
        if (git) git->clearCommandCache();
    }
 
    static std::optional<Git::CommitItem> parseCommit(QByteArray const &ba)
    {
        return Git::parseCommit(ba);
    }
 
    bool isValidWorkingCopy(QString const &dir) const
    {
        return git && git->isValidWorkingCopy(dir);
    }
 
    bool isValidWorkingCopy() const
    {
        return git && git->isValidWorkingCopy();
    }
 
    void setWorkingRepositoryDir(QString const &repo, const QString &sshkey)
    {
        Q_ASSERT(git);
        git->setWorkingRepositoryDir(repo, sshkey);
    }
    void setSubmodulePath(const QString &submodpath)
    {
        Q_ASSERT(git);
        git->setSubmodulePath(submodpath);
    }
    QString workingDir() const
    {
        Q_ASSERT(git);
        return git->workingDir();
    }
    QString const &sshKey() const
    {
        Q_ASSERT(git);
        return git->sshKey();
    }
    void setSshKey(const QString &sshkey) const
    {
        Q_ASSERT(git);
        git->setSshKey(sshkey);
    }
 
    QString getMessage(const QString &id)
    {
        Q_ASSERT(git);
        return git->getMessage(id);
    }
    QString errorMessage(std::optional<GitResult> const &var) const
    {
        Q_ASSERT(git);
        return git->errorMessage(var);
    }
 
    bool remove(QString const &path)
    {
        Q_ASSERT(git);
        return git->remove(path);
    }
 
    Git::Hash rev_parse(QString const &name)
    {
        Q_ASSERT(git);
        return git->rev_parse(name);
    }
    void setRemoteURL(const Git::Remote &remote)
    {
        Q_ASSERT(git);
        git->setRemoteURL(remote);
    }
    void addRemoteURL(const Git::Remote &remote)
    {
        Q_ASSERT(git);
        git->addRemoteURL(remote);
    }
    void removeRemote(QString const &name)
    {
        Q_ASSERT(git);
        git->removeRemote(name);
    }
    QStringList getRemotes()
    {
        Q_ASSERT(git);
        return git->getRemotes();
    }
 
    QString version()
    {
        Q_ASSERT(git);
        return git->version();
    }
 
    bool init()
    {
        Q_ASSERT(git);
        return git->init();
    }
 
    QList<Git::Tag> tags()
    {
        Q_ASSERT(git);
        return git->tags();
    }
    bool tag(QString const &name, Git::Hash const &id = {})
    {
        Q_ASSERT(git);
        return git->tag(name, id);
    }
    bool delete_tag(QString const &name, bool remote)
    {
        Q_ASSERT(git);
        return git->delete_tag(name, remote);
    }
 
    void resetFile(QString const &path)
    {
        Q_ASSERT(git);
        git->resetFile(path);
    }
    void resetAllFiles()
    {
        Q_ASSERT(git);
        git->resetAllFiles();
    }
 
    void removeFile(QString const &path, bool rm_real_file)
    {
        Q_ASSERT(git);
        git->rm(path, rm_real_file);
    }
 
    Git::User getUser(Git::Source purpose)
    {
        Q_ASSERT(git);
        return git->getUser(purpose);
    }
    void setUser(Git::User const&user, bool global)
    {
        Q_ASSERT(git);
        git->setUser(user, global);
    }
    QString getDefaultBranch()
    {
        Q_ASSERT(git);
        return git->getDefaultBranch();
    }
    void setDefaultBranch(QString const &branchname)
    {
        Q_ASSERT(git);
        git->setDefaultBranch(branchname);
    }
    void unsetDefaultBranch()
    {
        Q_ASSERT(git);
        git->unsetDefaultBranch();
    }
    QDateTime repositoryLastModifiedTime()
    {
        Q_ASSERT(git);
        return git->repositoryLastModifiedTime();
    }
    QString status()
    {
        Q_ASSERT(git);
        return git->status();
    }
    bool commit(QString const &text, bool sign, AbstractPtyProcess *pty)
    {
        Q_ASSERT(git);
        return git->commit(text, sign, pty);
    }
    bool commit_amend_m(QString const &text, bool sign, AbstractPtyProcess *pty)
    {
        Q_ASSERT(git);
        return git->commit_amend_m(text, sign, pty);
    }
    bool revert(const Git::Hash &id)
    {
        Q_ASSERT(git);
        return git->revert(id);
    }
    bool push_tags(AbstractPtyProcess *pty = nullptr)
    {
        Q_ASSERT(git);
        return git->push_tags(pty);
    }
    void remote_v(std::vector<Git::Remote> *out)
    {
        Q_ASSERT(git);
        git->remote_v(out);
    }
    void createBranch(QString const &name)
    {
        Q_ASSERT(git);
        git->createBranch(name);
    }
    void checkoutBranch(QString const &name)
    {
        Q_ASSERT(git);
        git->checkoutBranch(name);
    }
    void mergeBranch(QString const &name, Git::MergeFastForward ff, bool squash)
    {
        Q_ASSERT(git);
        git->mergeBranch(name, ff, squash);
    }
    bool deleteBranch(QString const &name)
    {
        Q_ASSERT(git);
        return git->deleteBranch(name);
    }
 
    bool checkout(QString const &branch_name, QString const &id = {})
    {
        Q_ASSERT(git);
        return git->checkout(branch_name, id);
    }
    bool checkout_detach(QString const &id)
    {
        Q_ASSERT(git);
        return git->checkout_detach(id);
    }
 
    void rebaseBranch(QString const &name)
    {
        Q_ASSERT(git);
        git->rebaseBranch(name);
    }
    void rebase_abort()
    {
        Q_ASSERT(git);
        git->rebase_abort();
    }
 
    Git::CommitItemList log_all(Git::Hash const &id, int maxcount)
    {
        Q_ASSERT(git);
        return git->log_all(id, maxcount);
    }
    Git::CommitItemList log_file(QString const &path, int maxcount)
    {
        Q_ASSERT(git);
        return git->log_file(path, maxcount);
    }
    QStringList rev_list_all(Git::Hash const &id, int maxcount)
    {
        Q_ASSERT(git);
        return git->rev_list_all(id, maxcount);
    }
 
    std::optional<Git::CommitItem> log_signature(Git::Hash const &id)
    {
        Q_ASSERT(git);
        return git->log_signature(id);
    }
    Git::CommitItemList log(int maxcount)
    {
        Q_ASSERT(git);
        return git->log(maxcount);
    }
    std::optional<Git::CommitItem> queryCommitItem(const Git::Hash &id)
    {
        Q_ASSERT(git);
        return git->queryCommitItem(id);
    }
 
    bool stash()
    {
        Q_ASSERT(git);
        return git->stash();
    }
    bool stash_apply()
    {
        Q_ASSERT(git);
        return git->stash_apply();
    }
    bool stash_drop()
    {
        Q_ASSERT(git);
        return git->stash_drop();
    }
 
    QList<Git::SubmoduleItem> submodules()
    {
        Q_ASSERT(git);
        return git->submodules();
    }
    bool submodule_add(const Git::CloneData &data, bool force, AbstractPtyProcess *pty)
    {
        Q_ASSERT(git);
        return git->submodule_add(data, force, pty);
    }
    bool submodule_update(const Git::SubmoduleUpdateData &data, AbstractPtyProcess *pty)
    {
        Q_ASSERT(git);
        return git->submodule_update(data, pty);
    }
    QString queryEntireCommitMessage(const Git::Hash &id)
    {
        Q_ASSERT(git);
        return git->queryEntireCommitMessage(id);
    }
 
    QList<Git::DiffRaw> diff_raw(Git::Hash const &old_id, Git::Hash const &new_id)
    {
        Q_ASSERT(git);
        return git->diff_raw(old_id, new_id);
    }
    std::string diff_head(std::function<bool (std::string const &name, std::string const &mime)> fn_accept = nullptr)
    {
        Q_ASSERT(git);
        return git->diff_head(fn_accept);
    }
    QString diff(QString const &old_id, QString const &new_id)
    {
        Q_ASSERT(git);
        return git->diff(old_id, new_id);
    }
    QString diff_file(QString const &old_path, QString const &new_path)
    {
        Q_ASSERT(git);
        return git->diff_file(old_path, new_path);
    }
    QString diff_to_file(QString const &old_id, QString const &path)
    {
        Q_ASSERT(git);
        return git->diff_to_file(old_id, path);
    }
 
    Git::FileStatusList status_s()
    {
        Q_ASSERT(git);
        return git->status_s();
    }
    std::optional<QByteArray> cat_file(const Git::Hash &id)
    {
        Q_ASSERT(git);
        return git->cat_file(id);
    }
    bool clone(Git::CloneData const &data, AbstractPtyProcess *pty)
    {
        Q_ASSERT(git);
        return git->clone(data, pty);
    }
    void add_A()
    {
        Q_ASSERT(git);
        git->add_A();
    }
    bool unstage_all()
    {
        Q_ASSERT(git);
        return git->unstage_all();
    }
 
    void stage(QString const &path)
    {
        Q_ASSERT(git);
        git->stage(path);
    }
    bool stage(QStringList const &paths, AbstractPtyProcess *pty)
    {
        Q_ASSERT(git);
        return git->stage(paths, pty);
    }
    void unstage(QString const &path)
    {
        Q_ASSERT(git);
        git->unstage(path);
    }
    void unstage(QStringList const &paths)
    {
        Q_ASSERT(git);
        git->unstage(paths);
    }
    bool pull(AbstractPtyProcess *pty = nullptr)
    {
        Q_ASSERT(git);
        return git->pull(pty);
    }
 
    bool fetch(AbstractPtyProcess *pty = nullptr, bool prune = false)
    {
        Q_ASSERT(git);
        return git->fetch(pty, prune);
    }
    bool reset_head1()
    {
        Q_ASSERT(git);
        return git->reset_head1();
    }
    bool reset_hard()
    {
        Q_ASSERT(git);
        return git->reset_hard();
    }
    bool clean_df()
    {
        Q_ASSERT(git);
        return git->clean_df();
    }
    bool push_u(bool set_upstream, QString const &remote, QString const &branch, bool force, AbstractPtyProcess *pty)
    {
        Q_ASSERT(git);
        return git->push_u(set_upstream, remote, branch, force, pty);
    }
    QString objectType(const Git::Hash &id)
    {
        Q_ASSERT(git);
        return git->objectType(id);
    }
    bool rm_cached(QString const &file)
    {
        Q_ASSERT(git);
        return git->rm_cached(file);
    }
    void cherrypick(QString const &name)
    {
        Q_ASSERT(git);
        git->cherrypick(name);
    }
    QString getCherryPicking() const
    {
        Q_ASSERT(git);
        return git->getCherryPicking();
    }
    QList<Git::Branch> branches()
    {
        Q_ASSERT(git);
        return git->branches();
    }
 
    QString signingKey(Git::Source purpose)
    {
        Q_ASSERT(git);
        return git->signingKey(purpose);
    }
    bool setSigningKey(QString const &id, bool global)
    {
        Q_ASSERT(git);
        return git->setSigningKey(id, global);
    }
    Git::SignPolicy signPolicy(Git::Source source)
    {
        Q_ASSERT(git);
        return git->signPolicy(source);
    }
    bool setSignPolicy(Git::Source source, Git::SignPolicy policy)
    {
        Q_ASSERT(git);
        return git->setSignPolicy(source, policy);
    }
    bool configGpgProgram(QString const &path, bool global)
    {
        Q_ASSERT(git);
        return git->configGpgProgram(path, global);
    }
 
    bool reflog(Git::ReflogItemList *out, int maxcount = 100)
    {
        Q_ASSERT(git);
        return git->reflog(out, maxcount);
    }
    QByteArray blame(QString const &path)
    {
        Q_ASSERT(git);
        return git->blame(path);
    }
 
    std::optional<std::vector<GitFileItem>> ls(const QString &path)
    {
        Q_ASSERT(git);
        return git->ls(path);
    }
    std::optional<std::vector<char>> readfile(const QString &path)
    {
        Q_ASSERT(git);
        return git->readfile(path);
    }
};
 
#endif // GIT_H