/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   file Copyright.txt or https://cmake.org/licensing for details.  */
#ifndef cmCTestGIT_h
#define cmCTestGIT_h

#include "cmConfigure.h"  // IWYU pragma: keep

#include "cmCTestGlobalVC.h"

#include <iosfwd>
#include <string>

class cmCTest;

/** \class cmCTestGIT
 * \brief Interaction with git command-line tool
 *
 */
class cmCTestGIT : public cmCTestGlobalVC
{
public:
    /** Construct with a CTest instance and update log stream.  */
    cmCTestGIT(cmCTest* ctest, std::ostream& log);

    ~cmCTestGIT() override;

private:
    unsigned int CurrentGitVersion;
    unsigned int GetGitVersion();
    std::string  GetWorkingRevision();
    bool         NoteOldRevision() override;
    bool         NoteNewRevision() override;
    bool         UpdateImpl() override;

    std::string FindGitDir();
    std::string FindTopDir();

    bool UpdateByFetchAndReset();
    bool UpdateByCustom(std::string const& custom);
    bool UpdateInternal();

    bool LoadRevisions() override;
    bool LoadModifications() override;

    // "public" needed by older Sun compilers
public:
    // Parsing helper classes.
    class CommitParser;
    class DiffParser;
    class OneLineParser;

    friend class CommitParser;
    friend class DiffParser;
    friend class OneLineParser;
};

#endif
