From 4686434f149a7c6c3f6aef6f0d9f394990bc87db Mon Sep 17 00:00:00 2001 From: Torgny Nyblom Date: Wed, 15 Dec 2010 15:29:47 +0100 Subject: Ditch PrefixingRepository in favor of a memmber variable in [FastExport]Repository Some minor reordering --- src/repository.cpp | 285 ++++++----------------------------------------------- 1 file changed, 29 insertions(+), 256 deletions(-) (limited to 'src/repository.cpp') diff --git a/src/repository.cpp b/src/repository.cpp index e9f7d2e..6af1200 100644 --- a/src/repository.cpp +++ b/src/repository.cpp @@ -28,225 +28,10 @@ static const int maxSimultaneousProcesses = 100; static const int maxMark = (1 << 20) - 1; // some versions of git-fast-import are buggy for larger values of maxMark -class LoggingQProcess : public QProcess +class ProcessCache: QLinkedList { - 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 FastImportRepository : public Repository -{ -public: - class Transaction : public Repository::Transaction - { - Q_DISABLE_COPY(Transaction) - friend class FastImportRepository; - - FastImportRepository *repository; - QByteArray branch; - QByteArray svnprefix; - QByteArray author; - QByteArray log; - uint datetime; - int revnum; - - QVector 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); - }; - FastImportRepository(const Rules::Repository &rule); - int setupIncremental(int &cutoff); - void restoreLog(); - ~FastImportRepository(); - - 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(); - -private: - struct Branch - { - int created; - QVector commits; - QVector marks; - }; - struct AnnotatedTag - { - QString supportingRef; - QByteArray svnprefix; - QByteArray author; - QByteArray log; - uint dt; - int revnum; - }; - - QHash branches; - QHash annotatedTags; - QString name; - LoggingQProcess fastImport; - int commitCount; - int outstandingTransactions; - - /* 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(FastImportRepository) -}; - -class PrefixingRepository : public Repository -{ - Repository *repo; - QString prefix; -public: - class Transaction : public Repository::Transaction - { - Q_DISABLE_COPY(Transaction) - - Repository::Transaction *txn; - QString prefix; - public: - Transaction(Repository::Transaction *t, const QString &p) : txn(t), prefix(p) {} - ~Transaction() { delete txn; } - void commit() { txn->commit(); } - - void setAuthor(const QByteArray &author) { txn->setAuthor(author); } - void setDateTime(uint dt) { txn->setDateTime(dt); } - void setLog(const QByteArray &log) { txn->setLog(log); } - - void noteCopyFromBranch (const QString &prevbranch, int revFrom) - { txn->noteCopyFromBranch(prevbranch, revFrom); } - - void deleteFile(const QString &path) { txn->deleteFile(prefix + path); } - QIODevice *addFile(const QString &path, int mode, qint64 length) - { return txn->addFile(prefix + path, mode, length); } - }; - - PrefixingRepository(Repository *r, const QString &p) : repo(r), prefix(p) {} - - int setupIncremental(int &) { return 1; } - void restoreLog() {} - - int createBranch(const QString &branch, int revnum, - const QString &branchFrom, int revFrom) - { return repo->createBranch(branch, revnum, branchFrom, revFrom); } - - int deleteBranch(const QString &branch, int revnum) - { return repo->deleteBranch(branch, revnum); } - - Repository::Transaction *newTransaction(const QString &branch, const QString &svnprefix, int revnum) - { - Repository::Transaction *t = repo->newTransaction(branch, svnprefix, revnum); - return new Transaction(t, prefix); - } - - void createAnnotatedTag(const QString &name, const QString &svnprefix, int revnum, - const QByteArray &author, uint dt, - const QByteArray &log) - { repo->createAnnotatedTag(name, svnprefix, revnum, author, dt, log); } - void finalizeTags() { /* loop that called this will invoke it on 'repo' too */ } -}; - -class ProcessCache: QLinkedList -{ -public: - void touch(FastImportRepository *repo) + void touch(Repository *repo) { remove(repo); @@ -258,7 +43,7 @@ public: append(repo); } - inline void remove(FastImportRepository *repo) + inline void remove(Repository *repo) { #if QT_VERSION >= 0x040400 removeOne(repo); @@ -269,18 +54,6 @@ public: }; static ProcessCache processCache; -Repository *makeRepository(const Rules::Repository &rule, const QHash &repositories) -{ - if (rule.forwardTo.isEmpty()) - return new FastImportRepository(rule); - Repository *r = repositories[rule.forwardTo]; - if (!r) { - qCritical() << "no repository with name" << rule.forwardTo << "found at" << rule.info(); - return r; - } - return new PrefixingRepository(r, rule.prefix); -} - static QString marksFileName(QString name) { name.replace('/', '_'); @@ -288,8 +61,8 @@ static QString marksFileName(QString name) return name; } -FastImportRepository::FastImportRepository(const Rules::Repository &rule) - : name(rule.name), fastImport(name), commitCount(0), outstandingTransactions(0), +Repository::Repository(const Rules::Repository &rule) + : name(rule.name), prefix(rule.forwardTo), fastImport(name), commitCount(0), outstandingTransactions(0), last_commit_mark(0), next_file_mark(maxMark), processHasStarted(false) { foreach (Rules::Repository::Branch branchRule, rule.branches) { @@ -375,7 +148,7 @@ static int lastValidMark(QString name) return prev_mark; } -int FastImportRepository::setupIncremental(int &cutoff) +int Repository::setupIncremental(int &cutoff) { QFile logfile(logFileName(name)); if (!logfile.exists()) @@ -455,7 +228,7 @@ int FastImportRepository::setupIncremental(int &cutoff) return cutoff; } -void FastImportRepository::restoreLog() +void Repository::restoreLog() { QString file = logFileName(name); QString bkup = file + ".old"; @@ -465,13 +238,13 @@ void FastImportRepository::restoreLog() QFile::rename(bkup, file); } -FastImportRepository::~FastImportRepository() +Repository::~Repository() { Q_ASSERT(outstandingTransactions == 0); closeFastImport(); } -void FastImportRepository::closeFastImport() +void Repository::closeFastImport() { if (fastImport.state() != QProcess::NotRunning) { fastImport.write("checkpoint\n"); @@ -487,7 +260,7 @@ void FastImportRepository::closeFastImport() processCache.remove(this); } -void FastImportRepository::reloadBranches() +void Repository::reloadBranches() { foreach (QString branch, branches.keys()) { Branch &br = branches[branch]; @@ -505,7 +278,7 @@ void FastImportRepository::reloadBranches() } } -int FastImportRepository::markFrom(const QString &branchFrom, int branchRevNum, QByteArray &branchFromDesc) +int Repository::markFrom(const QString &branchFrom, int branchRevNum, QByteArray &branchFromDesc) { Branch &brFrom = branches[branchFrom]; if (!brFrom.created) @@ -535,7 +308,7 @@ int FastImportRepository::markFrom(const QString &branchFrom, int branchRevNum, return brFrom.marks[it - brFrom.commits.begin()]; } -int FastImportRepository::createBranch(const QString &branch, int revnum, +int Repository::createBranch(const QString &branch, int revnum, const QString &branchFrom, int branchRevNum) { QByteArray branchFromDesc = "from branch " + branchFrom.toUtf8(); @@ -563,13 +336,13 @@ int FastImportRepository::createBranch(const QString &branch, int revnum, return resetBranch(branch, revnum, mark, branchFromRef, branchFromDesc); } -int FastImportRepository::deleteBranch(const QString &branch, int revnum) +int Repository::deleteBranch(const QString &branch, int revnum) { static QByteArray null_sha(40, '0'); return resetBranch(branch, revnum, 0, null_sha, "delete"); } -int FastImportRepository::resetBranch(const QString &branch, int revnum, int mark, const QByteArray &resetTo, const QByteArray &comment) +int Repository::resetBranch(const QString &branch, int revnum, int mark, const QByteArray &resetTo, const QByteArray &comment) { startFastImport(); @@ -597,7 +370,7 @@ int FastImportRepository::resetBranch(const QString &branch, int revnum, int mar return EXIT_SUCCESS; } -Repository::Transaction *FastImportRepository::newTransaction(const QString &branch, const QString &svnprefix, +Repository::Transaction *Repository::newTransaction(const QString &branch, const QString &svnprefix, int revnum) { startFastImport(); @@ -622,13 +395,13 @@ Repository::Transaction *FastImportRepository::newTransaction(const QString &bra return txn; } -void FastImportRepository::forgetTransaction(Transaction *) +void Repository::forgetTransaction(Transaction *) { if (!--outstandingTransactions) next_file_mark = maxMark; } -void FastImportRepository::createAnnotatedTag(const QString &ref, const QString &svnprefix, +void Repository::createAnnotatedTag(const QString &ref, const QString &svnprefix, int revnum, const QByteArray &author, uint dt, const QByteArray &log) @@ -651,7 +424,7 @@ void FastImportRepository::createAnnotatedTag(const QString &ref, const QString tag.dt = dt; } -void FastImportRepository::finalizeTags() +void Repository::finalizeTags() { if (annotatedTags.isEmpty()) return; @@ -698,7 +471,7 @@ void FastImportRepository::finalizeTags() printf("\n"); } -void FastImportRepository::startFastImport() +void Repository::startFastImport() { processCache.touch(this); @@ -728,27 +501,27 @@ void FastImportRepository::startFastImport() } } -FastImportRepository::Transaction::~Transaction() +Repository::Transaction::~Transaction() { repository->forgetTransaction(this); } -void FastImportRepository::Transaction::setAuthor(const QByteArray &a) +void Repository::Transaction::setAuthor(const QByteArray &a) { author = a; } -void FastImportRepository::Transaction::setDateTime(uint dt) +void Repository::Transaction::setDateTime(uint dt) { datetime = dt; } -void FastImportRepository::Transaction::setLog(const QByteArray &l) +void Repository::Transaction::setLog(const QByteArray &l) { log = l; } -void FastImportRepository::Transaction::noteCopyFromBranch(const QString &branchFrom, int branchRevNum) +void Repository::Transaction::noteCopyFromBranch(const QString &branchFrom, int branchRevNum) { if(branch == branchFrom) { qWarning() << "Cannot merge inside a branch"; @@ -776,15 +549,15 @@ void FastImportRepository::Transaction::noteCopyFromBranch(const QString &branch } } -void FastImportRepository::Transaction::deleteFile(const QString &path) +void Repository::Transaction::deleteFile(const QString &path) { - QString pathNoSlash = path; + QString pathNoSlash = repository->prefix + path; if(pathNoSlash.endsWith('/')) pathNoSlash.chop(1); deletedFiles.append(pathNoSlash); } -QIODevice *FastImportRepository::Transaction::addFile(const QString &path, int mode, qint64 length) +QIODevice *Repository::Transaction::addFile(const QString &path, int mode, qint64 length) { int mark = repository->next_file_mark--; @@ -798,7 +571,7 @@ QIODevice *FastImportRepository::Transaction::addFile(const QString &path, int m modifiedFiles.append(" :"); modifiedFiles.append(QByteArray::number(mark)); modifiedFiles.append(' '); - modifiedFiles.append(path.toUtf8()); + modifiedFiles.append(repository->prefix + path.toUtf8()); modifiedFiles.append("\n"); if (!CommandLineParser::instance()->contains("dry-run")) { @@ -813,7 +586,7 @@ QIODevice *FastImportRepository::Transaction::addFile(const QString &path, int m return &repository->fastImport; } -void FastImportRepository::Transaction::commit() +void Repository::Transaction::commit() { repository->startFastImport(); -- cgit v1.2.1