* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+/*
+ * Based on svn-fast-export by Chris Lee <clee@kde.org>
+ * License: MIT <http://www.opensource.org/licenses/mit-license.php>
+ * URL: git://repo.or.cz/fast-import.git http://repo.or.cz/w/fast-export.git
+ */
+
+#define _XOPEN_SOURCE
+#define _LARGEFILE_SUPPORT
+#define _LARGEFILE64_SUPPORT
+
#include "svn.h"
+
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <apr_lib.h>
+#include <apr_getopt.h>
+#include <apr_general.h>
+
+#include <svn_fs.h>
+#include <svn_pools.h>
+#include <svn_repos.h>
+#include <svn_types.h>
+
+#include <QFile>
+#include <QDebug>
+
#include "repository.h"
+#undef SVN_ERR
+#define SVN_ERR(expr) SVN_INT_ERR(expr)
+
typedef QList<Rules::Match> MatchRuleList;
typedef QHash<QString, Repository *> RepositoryHash;
+typedef QHash<QByteArray, QByteArray> IdentityHash;
+
+class AprAutoPool
+{
+ apr_pool_t *pool;
+ AprAutoPool(const AprAutoPool &);
+ AprAutoPool &operator=(const AprAutoPool &);
+public:
+ inline AprAutoPool(apr_pool_t *parent = NULL)
+ { pool = svn_pool_create(parent); }
+ inline ~AprAutoPool()
+ { svn_pool_destroy(pool); }
+
+ inline void clear() { svn_pool_clear(pool); }
+ inline apr_pool_t *data() const { return pool; }
+ inline operator apr_pool_t *() const { return pool; }
+};
class SvnPrivate
{
public:
+ MatchRuleList matchRules;
+ RepositoryHash repositories;
+ IdentityHash identities;
+
SvnPrivate(const QString &pathToRepository);
~SvnPrivate();
int youngestRevision();
- void exportRevision(int revnum);
+ int exportRevision(int revnum);
- MatchRuleList matchRules;
- RepositoryHash repositories;
+ int openRepository(const QString &pathToRepository);
+
+private:
+ AprAutoPool global_pool;
+ svn_fs_t *fs;
+ svn_revnum_t youngest_rev;
};
void Svn::initialize()
{
+ // initialize APR or exit
+ if (apr_initialize() != APR_SUCCESS) {
+ fprintf(stderr, "You lose at apr_initialize().\n");
+ exit(1);
+ }
+
+ // static destructor
+ static struct Destructor { ~Destructor() { apr_terminate(); } } destructor;
}
Svn::Svn(const QString &pathToRepository)
return d->youngestRevision();
}
-void Svn::exportRevision(int revnum)
+bool Svn::exportRevision(int revnum)
+{
+ return d->exportRevision(revnum) == EXIT_SUCCESS;
+}
+
+SvnPrivate::SvnPrivate(const QString &pathToRepository)
+ : global_pool(NULL)
+{
+ openRepository(pathToRepository);
+
+ // get the youngest revision
+ svn_fs_youngest_rev(&youngest_rev, fs, global_pool);
+}
+
+SvnPrivate::~SvnPrivate()
{
- d->exportRevision(revnum);
+ svn_pool_destroy(global_pool);
}
+int SvnPrivate::youngestRevision()
+{
+ return youngest_rev;
+}
+
+int SvnPrivate::openRepository(const QString &pathToRepository)
+{
+ svn_repos_t *repos;
+ SVN_ERR(svn_repos_open(&repos, QFile::encodeName(pathToRepository), global_pool));
+ fs = svn_repos_fs(repos);
+
+ return EXIT_SUCCESS;
+}
+
+static MatchRuleList::ConstIterator
+findMatchRule(const MatchRuleList &matchRules, int revnum, const QString ¤t)
+{
+ MatchRuleList::ConstIterator it = matchRules.constBegin(),
+ end = matchRules.constEnd();
+ for ( ; it != end; ++it) {
+ if (it->minRevision > revnum)
+ continue;
+ if (it->maxRevision != -1 && it->maxRevision < revnum)
+ continue;
+ if (it->rx.indexIn(current) == 0)
+ return it;
+ }
+
+ // no match
+ return end;
+}
+
+static void splitPathName(const Rules::Match &rule, const QString &pathName, QString *svnprefix_p,
+ QString *repository_p, QString *branch_p, QString *path_p)
+{
+ QString svnprefix = pathName;
+ svnprefix.truncate(rule.rx.matchedLength());
+ if (svnprefix_p)
+ *svnprefix_p = svnprefix;
+
+ if (repository_p) {
+ *repository_p = svnprefix;
+ repository_p->replace(rule.rx, rule.repository);
+ }
+
+ if (branch_p) {
+ *branch_p = svnprefix;
+ branch_p->replace(rule.rx, rule.branch);
+ }
+
+ if (path_p)
+ *path_p = pathName.mid(svnprefix.length());
+}
+
+static int pathMode(svn_fs_root_t *fs_root, const char *pathname, apr_pool_t *pool)
+{
+ svn_string_t *propvalue;
+ SVN_ERR(svn_fs_node_prop(&propvalue, fs_root, pathname, "svn:executable", pool));
+ int mode = 0100644;
+ if (propvalue)
+ mode = 0100755;
+
+ // maybe it's a symlink?
+ SVN_ERR(svn_fs_node_prop(&propvalue, fs_root, pathname, "svn:special", pool));
+ if (propvalue && strcmp(propvalue->data, "symlink") == 0)
+ mode = 0120000;
+
+ return mode;
+}
+
+svn_error_t *QIODevice_write(void *baton, const char *data, apr_size_t *len)
+{
+ QIODevice *device = reinterpret_cast<QIODevice *>(baton);
+ device->write(data, *len);
+
+ if (device->bytesToWrite() > 16384)
+ device->waitForBytesWritten(0);
+ return SVN_NO_ERROR;
+}
+
+static svn_stream_t *streamForDevice(QIODevice *device, apr_pool_t *pool)
+{
+ svn_stream_t *stream = svn_stream_create(device, pool);
+ svn_stream_set_write(stream, QIODevice_write);
+
+ return stream;
+}
+
+static int dumpBlob(Repository::Transaction *txn, svn_fs_root_t *fs_root,
+ const char *pathname, const QString &finalPathName, apr_pool_t *pool)
+{
+ AprAutoPool dumppool(pool);
+ // what type is it?
+ int mode = pathMode(fs_root, pathname, dumppool);
+
+ svn_filesize_t stream_length;
+
+ SVN_ERR(svn_fs_file_length(&stream_length, fs_root, pathname, dumppool));
+ QIODevice *io = txn->addFile(finalPathName, mode, stream_length);
+
+#ifndef DRY_RUN
+ // open the file
+ svn_stream_t *in_stream, *out_stream;
+ SVN_ERR(svn_fs_file_contents(&in_stream, fs_root, pathname, dumppool));
+
+ // open a generic svn_stream_t for the QIODevice
+ out_stream = streamForDevice(io, dumppool);
+ SVN_ERR(svn_stream_copy(in_stream, out_stream, dumppool));
+
+ // print an ending newline
+ io->putChar('\n');
+#endif
+
+ return EXIT_SUCCESS;
+}
+
+static int recursiveDumpDir(Repository::Transaction *txn, svn_fs_root_t *fs_root,
+ const QByteArray &pathname, const QString &finalPathName,
+ apr_pool_t *pool)
+{
+ // get the dir listing
+ apr_hash_t *entries;
+ SVN_ERR(svn_fs_dir_entries(&entries, fs_root, pathname, pool));
+ AprAutoPool dirpool(pool);
+
+ for (apr_hash_index_t *i = apr_hash_first(pool, entries); i; i = apr_hash_next(i)) {
+ dirpool.clear();
+ const void *vkey;
+ void *value;
+ apr_hash_this(i, &vkey, NULL, &value);
+
+ svn_fs_dirent_t *dirent = reinterpret_cast<svn_fs_dirent_t *>(value);
+ QByteArray entryName = pathname + '/' + dirent->name;
+ QString entryFinalName;
+ if (finalPathName.isEmpty())
+ entryFinalName = dirent->name;
+ else
+ entryFinalName = finalPathName + '/' + dirent->name;
+
+ if (dirent->kind == svn_node_dir) {
+ if (recursiveDumpDir(txn, fs_root, entryName, entryFinalName, dirpool) == EXIT_FAILURE)
+ return EXIT_FAILURE;
+ } else if (dirent->kind == svn_node_file) {
+ printf("+");
+ fflush(stdout);
+ if (dumpBlob(txn, fs_root, entryName, entryFinalName, dirpool) == EXIT_FAILURE)
+ return EXIT_FAILURE;
+ }
+ }
+
+ return EXIT_SUCCESS;
+}
+
+static bool wasDir(svn_fs_t *fs, int revnum, const char *pathname, apr_pool_t *pool)
+{
+ AprAutoPool subpool(pool);
+ svn_fs_root_t *fs_root;
+ if (svn_fs_revision_root(&fs_root, fs, revnum, subpool) != SVN_NO_ERROR)
+ return false;
+
+ svn_boolean_t is_dir;
+ if (svn_fs_is_dir(&is_dir, fs_root, pathname, subpool) != SVN_NO_ERROR)
+ return false;
+
+ return is_dir;
+}
+
+time_t get_epoch(char *svn_date)
+{
+ struct tm tm;
+ memset(&tm, 0, sizeof tm);
+ QByteArray date(svn_date, strlen(svn_date) - 8);
+ strptime(date, "%Y-%m-%dT%H:%M:%S", &tm);
+ return mktime(&tm);
+}
+
+class SvnRevision
+{
+public:
+ AprAutoPool pool;
+ QHash<QString, Repository::Transaction *> transactions;
+ MatchRuleList matchRules;
+ RepositoryHash repositories;
+ IdentityHash identities;
+
+ svn_fs_t *fs;
+ svn_fs_root_t *fs_root;
+ int revnum;
+
+ SvnRevision(int revision, svn_fs_t *f, apr_pool_t *parent_pool)
+ : pool(parent_pool), fs(f), fs_root(0), revnum(revision)
+ {
+ }
+
+ int open()
+ {
+ SVN_ERR(svn_fs_revision_root(&fs_root, fs, revnum, pool));
+ return EXIT_SUCCESS;
+ }
+
+ int prepareTransactions();
+ int commit();
+
+ int exportEntry(const char *path, const svn_fs_path_change_t *change);
+ int exportInternal(const char *path, const svn_fs_path_change_t *change,
+ const char *path_from, svn_revnum_t rev_from,
+ const QString ¤t, const Rules::Match &rule);
+ int recurse(const char *path, const svn_fs_path_change_t *change,
+ const char *path_from, svn_revnum_t rev_from, apr_pool_t *pool);
+};
+
+int SvnPrivate::exportRevision(int revnum)
+{
+ SvnRevision rev(revnum, fs, global_pool);
+ rev.matchRules = matchRules;
+ rev.repositories = repositories;
+ rev.identities = identities;
+
+ // open this revision:
+ printf("Exporting revision %d ", revnum);
+ fflush(stdout);
+
+ if (rev.open() == EXIT_FAILURE)
+ return EXIT_FAILURE;
+
+ if (rev.prepareTransactions() == EXIT_FAILURE)
+ return EXIT_FAILURE;
+
+ if (rev.transactions.isEmpty()) {
+ printf(" nothing to do\n");
+ return EXIT_SUCCESS; // no changes?
+ }
+
+ if (rev.commit() == EXIT_FAILURE)
+ return EXIT_FAILURE;
+
+ printf(" done\n");
+ return EXIT_SUCCESS;
+}
+
+int SvnRevision::prepareTransactions()
+{
+ // find out what was changed in this revision:
+ apr_hash_t *changes;
+ SVN_ERR(svn_fs_paths_changed(&changes, fs_root, pool));
+ for (apr_hash_index_t *i = apr_hash_first(pool, changes); i; i = apr_hash_next(i)) {
+ const void *vkey;
+ void *value;
+ apr_hash_this(i, &vkey, NULL, &value);
+ const char *key = reinterpret_cast<const char *>(vkey);
+ svn_fs_path_change_t *change = reinterpret_cast<svn_fs_path_change_t *>(value);
+
+ if (exportEntry(key, change) == EXIT_FAILURE)
+ return EXIT_FAILURE;
+ }
+
+ return EXIT_SUCCESS;
+}
+
+int SvnRevision::commit()
+{
+ // now create the commit
+ apr_hash_t *revprops;
+ SVN_ERR(svn_fs_revision_proplist(&revprops, fs, revnum, pool));
+ svn_string_t *svnauthor = (svn_string_t*)apr_hash_get(revprops, "svn:author", APR_HASH_KEY_STRING);
+ svn_string_t *svndate = (svn_string_t*)apr_hash_get(revprops, "svn:date", APR_HASH_KEY_STRING);
+ svn_string_t *svnlog = (svn_string_t*)apr_hash_get(revprops, "svn:log", APR_HASH_KEY_STRING);
+
+ QByteArray log = (char *)svnlog->data;
+ QByteArray authorident = svnauthor ? identities.value((char *)svnauthor->data) : QByteArray();
+ time_t epoch = get_epoch((char*)svndate->data);
+ if (authorident.isEmpty()) {
+ if (!svnauthor || svn_string_isempty(svnauthor))
+ authorident = "nobody <nobody@localhost>";
+ else
+ authorident = svnauthor->data + QByteArray(" <") +
+ svnauthor->data + QByteArray("@localhost>");
+ }
+
+ foreach (Repository::Transaction *txn, transactions) {
+ txn->setAuthor(authorident);
+ txn->setDateTime(epoch);
+ txn->setLog(log);
+
+ txn->commit();
+ delete txn;
+ }
+
+ return EXIT_SUCCESS;
+}
+
+int SvnRevision::exportEntry(const char *key, const svn_fs_path_change_t *change)
+{
+ AprAutoPool revpool(pool.data());
+ QString current = QString::fromUtf8(key);
+
+ // was this copied from somewhere?
+ svn_revnum_t rev_from;
+ const char *path_from;
+ SVN_ERR(svn_fs_copied_from(&rev_from, &path_from, fs_root, key, revpool));
+
+ // is this a directory?
+ svn_boolean_t is_dir;
+ SVN_ERR(svn_fs_is_dir(&is_dir, fs_root, key, pool));
+ if (is_dir) {
+ if (path_from == NULL) {
+ // no, it's a new directory being added
+ // Git doesn't handle directories, so we don't either
+ //qDebug() << " mkdir ignored:" << key;
+ return EXIT_SUCCESS;
+ }
+
+ current += '/';
+ qDebug() << " " << key << "was copied from" << path_from;
+ }
+
+ // find the first rule that matches this pathname
+ MatchRuleList::ConstIterator match = findMatchRule(matchRules, revnum, current);
+ if (match != matchRules.constEnd()) {
+ const Rules::Match &rule = *match;
+ switch (rule.action) {
+ case Rules::Match::Ignore:
+ // ignore rule
+ qDebug() << " " << qPrintable(current) << "rev" << revnum
+ << "-> ignored (rule line" << rule.lineNumber << ")";
+ return EXIT_SUCCESS;
+
+ case Rules::Match::Recurse:
+ // recurse rule
+ if (is_dir)
+ return recurse(key, change, path_from, rev_from, revpool);
+ if (change->change_kind != svn_fs_path_change_delete)
+ qWarning() << " recurse rule " << rule.rx.pattern() << "line" << rule.lineNumber
+ << "applied to non-directory:" << qPrintable(current);
+ return EXIT_SUCCESS;
+
+ case Rules::Match::Export:
+ return exportInternal(key, change, path_from, rev_from, current, rule);
+ }
+ }
+
+ if (wasDir(fs, revnum - 1, key, pool)) {
+ qDebug() << current << "was a directory; ignoring";
+ } else if (change->change_kind == svn_fs_path_change_delete) {
+ qDebug() << current << "is being deleted but I don't know anything about it; ignoring";
+ } else {
+ qCritical() << current << "did not match any rules; cannot continue";
+ return EXIT_FAILURE;
+ }
+
+ return EXIT_SUCCESS;
+}
+
+int SvnRevision::exportInternal(const char *key, const svn_fs_path_change_t *change,
+ const char *path_from, svn_revnum_t rev_from,
+ const QString ¤t, const Rules::Match &rule)
+{
+ QString svnprefix, repository, branch, path;
+ splitPathName(rule, current, &svnprefix, &repository, &branch, &path);
+
+ printf(".");
+ fflush(stdout);
+// qDebug() << " " << qPrintable(current) << "rev" << revnum << "->"
+// << qPrintable(repository) << qPrintable(branch) << qPrintable(path);
+
+ if (path.isEmpty() && path_from != NULL) {
+ QString previous = QString::fromUtf8(path_from) + '/';
+ MatchRuleList::ConstIterator prevmatch =
+ findMatchRule(matchRules, rev_from, previous);
+ if (prevmatch != matchRules.constEnd()) {
+ QString prevsvnprefix, prevrepository, prevbranch, prevpath;
+ splitPathName(*prevmatch, previous, &prevsvnprefix, &prevrepository,
+ &prevbranch, &prevpath);
+
+ if (!prevpath.isEmpty()) {
+ qDebug() << qPrintable(current) << "is a partial branch of repository"
+ << qPrintable(prevrepository) << "branch"
+ << qPrintable(prevbranch) << "subdir"
+ << qPrintable(prevpath);
+ } else if (prevrepository != repository) {
+ qWarning() << qPrintable(current) << "rev" << revnum
+ << "is a cross-repository copy (from repository"
+ << qPrintable(prevrepository) << "branch"
+ << qPrintable(prevbranch) << "path"
+ << qPrintable(prevpath) << "rev" << rev_from << ")";
+ } else if (prevbranch == branch) {
+ // same branch and same repository
+ qDebug() << qPrintable(current) << "rev" << revnum
+ << "is an SVN rename from"
+ << qPrintable(previous) << "rev" << rev_from;
+ return EXIT_SUCCESS;
+ } else {
+ // same repository but not same branch
+ // this means this is a plain branch
+ qDebug() << qPrintable(repository) << ": branch"
+ << qPrintable(branch) << "is branching from"
+ << qPrintable(prevbranch);
+
+ Repository *repo = repositories.value(repository, 0);
+ if (!repo) {
+ qCritical() << "Rule" << rule.rx.pattern() << "line" << rule.lineNumber
+ << "references unknown repository" << repository;
+ return EXIT_FAILURE;
+ }
+
+ repo->createBranch(branch, revnum, prevbranch, rev_from);
+ }
+ }
+ }
+
+ Repository::Transaction *txn = transactions.value(repository, 0);
+ if (!txn) {
+ Repository *repo = repositories.value(repository, 0);
+ if (!repo) {
+ qCritical() << "Rule" << rule.rx.pattern() << "line" << rule.lineNumber
+ << "references unknown repository" << repository;
+ return EXIT_FAILURE;
+ }
+
+ txn = repo->newTransaction(branch, svnprefix, revnum);
+ if (!txn)
+ return EXIT_FAILURE;
+
+ transactions.insert(repository, txn);
+ }
+
+ if (change->change_kind == svn_fs_path_change_delete)
+ txn->deleteFile(path);
+ else if (!current.endsWith('/'))
+ dumpBlob(txn, fs_root, key, path, pool);
+ else
+ recursiveDumpDir(txn, fs_root, key, path, pool);
+
+ return EXIT_SUCCESS;
+}
+
+int SvnRevision::recurse(const char *path, const svn_fs_path_change_t *change,
+ const char *path_from, svn_revnum_t rev_from,
+ apr_pool_t *pool)
+{
+ // get the dir listing
+ apr_hash_t *entries;
+ SVN_ERR(svn_fs_dir_entries(&entries, fs_root, path, pool));
+
+ AprAutoPool dirpool(pool);
+ for (apr_hash_index_t *i = apr_hash_first(pool, entries); i; i = apr_hash_next(i)) {
+ dirpool.clear();
+ const void *vkey;
+ void *value;
+ apr_hash_this(i, &vkey, NULL, &value);
+
+ svn_fs_dirent_t *dirent = reinterpret_cast<svn_fs_dirent_t *>(value);
+ QByteArray entry = path + QByteArray("/") + dirent->name;
+ QByteArray entryFrom = path_from + QByteArray("/") + dirent->name;
+
+ QString current = QString::fromUtf8(entry);
+ if (dirent->kind == svn_node_dir)
+ current += '/';
+
+ // find the first rule that matches this pathname
+ MatchRuleList::ConstIterator match = findMatchRule(matchRules, revnum, current);
+ if (match != matchRules.constEnd()) {
+ if (exportInternal(entry, change, entryFrom, rev_from, current, *match) == EXIT_FAILURE)
+ return EXIT_FAILURE;
+ } else {
+ qCritical() << current << "did not match any rules; cannot continue";
+ return EXIT_FAILURE;
+ }
+ }
+}
andersk / svn-all-fast-export.git / blobdiff