* 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;
+public:
+ inline AprAutoPool(apr_pool_t *parent = NULL)
+ { pool = svn_pool_create(parent); }
+ inline ~AprAutoPool()
+ { svn_pool_destroy(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()
+{
+ 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 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 (strcmp(propvalue->data, "symlink") == 0)
+ mode = 0120000;
+
+ return mode;
+}
+
+svn_error_t *QIODevice_write(void *baton, const char *data, apr_size_t *len)
{
- d->exportRevision(revnum);
+ QIODevice *device = reinterpret_cast<QIODevice *>(baton);
+ device->write(data, *len);
+ 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, apr_pool_t *pool)
+{
+ // what type is it?
+ int mode = pathMode(fs_root, pathname, pool);
+
+ svn_stream_t *in_stream, *out_stream;
+ svn_filesize_t stream_length;
+
+ SVN_ERR(svn_fs_file_length(&stream_length, fs_root, pathname, pool));
+ QIODevice *io = txn->addFile(pathname, mode, stream_length);
+
+ // open the file
+ SVN_ERR(svn_fs_file_contents(&in_stream, fs_root, pathname, pool));
+
+ // open a generic svn_stream_t for the QIODevice
+ out_stream = streamForDevice(io, pool);
+ SVN_ERR(svn_stream_copy(in_stream, out_stream, pool));
+
+ return EXIT_SUCCESS;
+}
+
+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);
+}
+
+int SvnPrivate::exportRevision(int revnum)
+{
+ AprAutoPool pool(global_pool);
+
+ // open this revision:
+ svn_fs_root_t *fs_root;
+ SVN_ERR(svn_fs_revision_root(&fs_root, fs, revnum, pool));
+ qDebug() << "Exporting revision" << revnum;
+
+ // find out what was changed in this revision:
+ QHash<QString, Repository::Transaction *> transactions;
+ apr_hash_t *changes;
+ SVN_ERR(svn_fs_paths_changed(&changes, fs_root, pool));
+ AprAutoPool revpool(pool);
+ for (apr_hash_index_t *i = apr_hash_first(pool, changes); i; i = apr_hash_next(i)) {
+ svn_pool_clear(revpool);
+
+ const void *vkey;
+ void *value;
+ apr_hash_this(i, &vkey, NULL, &value);
+ const char *key = reinterpret_cast<const char *>(vkey);
+
+ // is this a directory?
+ svn_boolean_t is_dir;
+ SVN_ERR(svn_fs_is_dir(&is_dir, fs_root, key, revpool));
+ if (is_dir)
+ continue; // Git doesn't handle directories, so we don't either
+
+ QString current = QString::fromUtf8(key);
+
+ // find the first rule that matches this pathname
+ bool foundMatch = false;
+ foreach (Rules::Match rule, matchRules)
+ if (rule.rx.exactMatch(current)) {
+ foundMatch = true;
+ QString repository = current;
+ QString branch = current;
+ QString path = current;
+
+ // do the replacement
+ repository.replace(rule.rx, rule.repository);
+ branch.replace(rule.rx, rule.branch);
+ path.replace(rule.rx, rule.path);
+
+ qDebug() << "..." << current << "->"
+ << repository << branch << path;
+
+ Repository::Transaction *txn = transactions.value(repository, 0);
+ if (!txn) {
+ Repository *repo = repositories.value(repository, 0);
+ if (!repo) {
+ qCritical() << "Rule" << rule.rx.pattern()
+ << "references unknown repository" << repository;
+ return EXIT_FAILURE;
+ }
+
+ QString svnprefix = current;
+ if (current.endsWith(path))
+ current.chop(path.length());
+
+ txn = repo->newTransaction(branch, svnprefix, revnum);
+ if (!txn)
+ return EXIT_FAILURE;
+
+ transactions.insert(repository, txn);
+ }
+
+ svn_fs_path_change_t *change = reinterpret_cast<svn_fs_path_change_t *>(value);
+ if (change->change_kind == svn_fs_path_change_delete)
+ txn->deleteFile(path);
+ else
+ dumpBlob(txn, fs_root, key, revpool);
+
+ break;
+ }
+
+ if (!foundMatch) {
+ qCritical() << current << "did not match any rules; cannot continue";
+ return EXIT_FAILURE;
+ }
+ }
+ svn_pool_clear(revpool);
+
+ if (transactions.isEmpty())
+ return true; // no changes?
+
+ // 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 = identities.value((char *)svnauthor->data);
+ 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;
+}
andersk / svn-all-fast-export.git / commitdiff
