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/*
* Copyright (C) 2007 Thiago Macieira <thiago@kde.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef REPOSITORY_H
#define REPOSITORY_H
#include <QHash>
#include <QProcess>
#include <QVector>
#include <QFile>
#include "ruleparser.h"
#include "CommandLineParser.h"
class LoggingQProcess : public QProcess
{
QFile log;
bool logging;
public:
LoggingQProcess(const QString filename) : QProcess(), log() {
if(CommandLineParser::instance()->contains("debug-rules")) {
logging = true;
QString name = filename;
name.replace('/', '_');
name.prepend("gitlog-");
log.setFileName(name);
log.open(QIODevice::WriteOnly);
} else {
logging = false;
}
};
~LoggingQProcess() {
if(logging) {
log.close();
}
};
qint64 write(const char *data) {
Q_ASSERT(state() == QProcess::Running);
if(logging) {
log.write(data);
}
return QProcess::write(data);
}
qint64 write(const char *data, qint64 length) {
Q_ASSERT(state() == QProcess::Running);
if(logging) {
log.write(data);
}
return QProcess::write(data, length);
}
qint64 write(const QByteArray &data) {
Q_ASSERT(state() == QProcess::Running);
if(logging) {
log.write(data);
}
return QProcess::write(data);
}
qint64 writeNoLog(const char *data) {
Q_ASSERT(state() == QProcess::Running);
return QProcess::write(data);
}
qint64 writeNoLog(const char *data, qint64 length) {
Q_ASSERT(state() == QProcess::Running);
return QProcess::write(data, length);
}
qint64 writeNoLog(const QByteArray &data) {
Q_ASSERT(state() == QProcess::Running);
return QProcess::write(data);
}
bool putChar( char c) {
Q_ASSERT(state() == QProcess::Running);
if(logging) {
log.putChar(c);
}
return QProcess::putChar(c);
}
};
class Repository
{
public:
class Transaction
{
Q_DISABLE_COPY(Transaction)
friend class Repository;
Repository *repository;
QByteArray branch;
QByteArray svnprefix;
QByteArray author;
QByteArray log;
uint datetime;
int revnum;
QVector<int> merges;
QStringList deletedFiles;
QByteArray modifiedFiles;
inline Transaction() {}
public:
~Transaction();
void commit();
void setAuthor(const QByteArray &author);
void setDateTime(uint dt);
void setLog(const QByteArray &log);
void noteCopyFromBranch (const QString &prevbranch, int revFrom);
void deleteFile(const QString &path);
QIODevice *addFile(const QString &path, int mode, qint64 length);
};
Repository(const Rules::Repository &rule);
int setupIncremental(int &cutoff);
void restoreLog();
~Repository();
void reloadBranches();
int createBranch(const QString &branch, int revnum,
const QString &branchFrom, int revFrom);
int deleteBranch(const QString &branch, int revnum);
Repository::Transaction *newTransaction(const QString &branch, const QString &svnprefix, int revnum);
void createAnnotatedTag(const QString &name, const QString &svnprefix, int revnum,
const QByteArray &author, uint dt,
const QByteArray &log);
void finalizeTags();
void commit();
private:
struct Branch
{
int created;
QVector<int> commits;
QVector<int> marks;
};
struct AnnotatedTag
{
QString supportingRef;
QByteArray svnprefix;
QByteArray author;
QByteArray log;
uint dt;
int revnum;
};
QHash<QString, Branch> branches;
QHash<QString, AnnotatedTag> annotatedTags;
QString name;
QString prefix;
LoggingQProcess fastImport;
int commitCount;
int outstandingTransactions;
QByteArray deletedBranches;
QByteArray resetBranches;
/* starts at 0, and counts up. */
int last_commit_mark;
/* starts at maxMark and counts down. Reset after each SVN revision */
int next_file_mark;
bool processHasStarted;
void startFastImport();
void closeFastImport();
// called when a transaction is deleted
void forgetTransaction(Transaction *t);
int resetBranch(const QString &branch, int revnum, int mark, const QByteArray &resetTo, const QByteArray &comment);
int markFrom(const QString &branchFrom, int branchRevNum, QByteArray &desc);
friend class ProcessCache;
Q_DISABLE_COPY(Repository)
};
#endif
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