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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 2 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/>.
*/
#include "repository.h"
#include <QTextStream>
Repository::Repository(const Rules::Repository &rule)
{
foreach (Rules::Repository::Branch branchRule, rule.branches) {
Branch branch;
branch.branchFrom = branchRule.branchFrom;
branch.isCreated = false;
branches.insert(branchRule.name, branch);
}
fastImport.setWorkingDirectory(rule.name);
fastImport.setProcessChannelMode(QProcess::ForwardedChannels);
}
Repository::~Repository()
{
if (fastImport.state() == QProcess::Running) {
fastImport.closeWriteChannel();
fastImport.waitForFinished();
}
}
Repository::Transaction *Repository::newTransaction(const QString &branch, const QString &svnprefix,
int revnum)
{
if (!branches.contains(branch))
return 0;
Transaction *txn = new Transaction;
txn->repository = this;
txn->branch = branch.toUtf8();
txn->svnprefix = svnprefix.toUtf8();
txn->datetime = 0;
txn->revnum = revnum;
txn->lastmark = revnum;
if (fastImport.state() == QProcess::NotRunning) {
// start the process
#ifndef DRY_RUN
fastImport.start("git-fast-import", QStringList());
#else
fastImport.start("/bin/cat", QStringList());
#endif
}
return txn;
}
Repository::Transaction::~Transaction()
{
}
void Repository::Transaction::setAuthor(const QByteArray &a)
{
author = a;
}
void Repository::Transaction::setDateTime(uint dt)
{
datetime = dt;
}
void Repository::Transaction::setLog(const QByteArray &l)
{
log = l;
}
void Repository::Transaction::deleteFile(const QString &path)
{
deletedFiles.append(path);
}
QIODevice *Repository::Transaction::addFile(const QString &path, int mode, qint64 length)
{
FileProperties fp;
fp.mode = mode;
fp.mark = ++lastmark;
#ifndef DRY_RUN
repository->fastImport.write("blob\nmark :");
repository->fastImport.write(QByteArray::number(fp.mark));
repository->fastImport.write("\ndata ");
repository->fastImport.write(QByteArray::number(length));
repository->fastImport.write("\n", 1);
repository->fastImport.waitForBytesWritten(0);
#endif
modifiedFiles.insert(path, fp);
return &repository->fastImport;
}
void Repository::Transaction::commit()
{
// create the commit message
QByteArray message = log;
if (!message.endsWith('\n'))
message += '\n';
message += "\nsvn=" + svnprefix + "; revision=" + QByteArray::number(revnum) + "\n";
{
QByteArray branchRef = branch;
if (!branchRef.startsWith("refs/heads/"))
branchRef.prepend("refs/heads/");
QTextStream s(&repository->fastImport);
s << "commit " << branchRef << endl;
s << "mark :" << revnum << endl;
s << "committer " << author << ' ' << datetime << "-0000" << endl;
Branch &br = repository->branches[branch];
if (!br.isCreated) {
br.isCreated = true;
s << "from " << br.branchFrom << endl;
}
s << "data " << message.length() << endl;
}
repository->fastImport.write(message);
// write the file deletions
foreach (QString df, deletedFiles)
repository->fastImport.write("D " + df.toUtf8() + "\n");
// write the file modifications
QHash<QString, FileProperties>::ConstIterator it = modifiedFiles.constBegin();
for ( ; it != modifiedFiles.constEnd(); ++it) {
repository->fastImport.write("M ", 2);
repository->fastImport.write(QByteArray::number(it->mode, 8));
repository->fastImport.write(" :", 2);
repository->fastImport.write(QByteArray::number(it->mark));
repository->fastImport.write(" ", 1);
repository->fastImport.write(it.key().toUtf8());
repository->fastImport.write("\n", 1);
}
repository->fastImport.write("\n");
while (repository->fastImport.bytesToWrite() && repository->fastImport.waitForBytesWritten()) {
// nothing
}
}
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