File: repository.h

package info (click to toggle)
svn-all-fast-export 1.0.5-1
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 304 kB
  • sloc: cpp: 2,471; makefile: 22
file content (205 lines) | stat: -rw-r--r-- 5,925 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
/*
 *  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);

        void commitNote(const QByteArray &noteText, bool append,
                        const QByteArray &commit = QByteArray());
    };
    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();

    static QByteArray formatMetadataMessage(const QByteArray &svnprefix, int revnum,
                                            const QByteArray &tag = QByteArray());

    bool branchExists(const QString& branch) const;
    const QByteArray branchNote(const QString& branch) const;
    void setBranchNote(const QString& branch, const QByteArray& noteText);

private:
    struct Branch
    {
        int created;
        QVector<int> commits;
        QVector<int> marks;
        QByteArray note;
    };
    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