private static VcsException createMoveTargetExistsError(@NotNull Exception e) {
   return new VcsException(
       Arrays.asList(
           "Target of move operation is already under version control.",
           "Subversion move had not been performed. ",
           e.getMessage()));
 }
Example #2
0
 private static FilePath[] sortPaths(FilePath[] files, final int sign) {
   Arrays.sort(
       files,
       new Comparator<FilePath>() {
         @Override
         public int compare(@NotNull FilePath o1, @NotNull FilePath o2) {
           return sign * o1.getPath().compareTo(o2.getPath());
         }
       });
   return files;
 }
  public List<VirtualFile> gatherPatchFiles(final Collection<VirtualFile> files) {
    final List<VirtualFile> result = new ArrayList<VirtualFile>();

    final LinkedList<VirtualFile> filesQueue = new LinkedList<VirtualFile>(files);
    while (!filesQueue.isEmpty()) {
      ProgressManager.checkCanceled();
      final VirtualFile file = filesQueue.removeFirst();
      if (file.isDirectory()) {
        filesQueue.addAll(Arrays.asList(file.getChildren()));
        continue;
      }
      if (PatchFileType.NAME.equals(file.getFileType().getName())) {
        result.add(file);
      }
    }

    return result;
  }
 public static void showDiffForChange(
     final Change[] changes,
     int index,
     final Project project,
     @NotNull ShowDiffUIContext context) {
   final Change selected = index >= 0 ? changes[index] : null;
   /*if (isBinaryDiff(project, changes, index)) {
     showBinaryDiff(project, changes[index]);
     return;
   }*/
   showDiffForChange(
       Arrays.asList(changes),
       new Condition<Change>() {
         @Override
         public boolean value(final Change change) {
           return selected == null ? false : selected.equals(change);
         }
       },
       project,
       context);
 }
 private static boolean checkNotifyBinaryDiff(final Change selectedChange) {
   final ContentRevision beforeRevision = selectedChange.getBeforeRevision();
   final ContentRevision afterRevision = selectedChange.getAfterRevision();
   if (beforeRevision instanceof BinaryContentRevision
       && afterRevision instanceof BinaryContentRevision) {
     try {
       byte[] beforeContent = ((BinaryContentRevision) beforeRevision).getBinaryContent();
       byte[] afterContent = ((BinaryContentRevision) afterRevision).getBinaryContent();
       if (Arrays.equals(beforeContent, afterContent)) {
         Messages.showInfoMessage(
             VcsBundle.message("message.text.binary.versions.are.identical"),
             VcsBundle.message("message.title.diff"));
       } else {
         Messages.showInfoMessage(
             VcsBundle.message("message.text.binary.versions.are.different"),
             VcsBundle.message("message.title.diff"));
       }
     } catch (VcsException e) {
       Messages.showInfoMessage(e.getMessage(), VcsBundle.message("message.title.diff"));
     }
     return true;
   }
   return false;
 }
 @Override
 public List<AnAction> getAdditionalActionsForLocalChange() {
   return Arrays.<AnAction>asList(new ShowPropertiesDiffWithLocalAction());
 }
@SuppressWarnings({"IOResourceOpenedButNotSafelyClosed"})
public class SvnVcs extends AbstractVcs<CommittedChangeList> {
  private static final String KEEP_CONNECTIONS_KEY = "svn.keep.connections";
  private static final Logger REFRESH_LOG = Logger.getInstance("#svn_refresh");

  private static final int ourLogUsualInterval = 20 * 1000;
  private static final int ourLogRareInterval = 30 * 1000;

  private static final Set<SVNErrorCode> ourLogRarely =
      new HashSet<SVNErrorCode>(
          Arrays.asList(
              new SVNErrorCode[] {
                SVNErrorCode.WC_UNSUPPORTED_FORMAT,
                SVNErrorCode.WC_CORRUPT,
                SVNErrorCode.WC_CORRUPT_TEXT_BASE,
                SVNErrorCode.WC_NOT_FILE,
                SVNErrorCode.WC_NOT_DIRECTORY,
                SVNErrorCode.WC_PATH_NOT_FOUND
              }));

  private static final Logger LOG = wrapLogger(Logger.getInstance("org.jetbrains.idea.svn.SvnVcs"));
  @NonNls public static final String VCS_NAME = "svn";
  private static final VcsKey ourKey = createKey(VCS_NAME);
  public static final Topic<Runnable> WC_CONVERTED =
      new Topic<Runnable>("WC_CONVERTED", Runnable.class);
  private final Map<String, Map<String, Pair<SVNPropertyValue, Trinity<Long, Long, Long>>>>
      myPropertyCache =
          new SoftHashMap<String, Map<String, Pair<SVNPropertyValue, Trinity<Long, Long, Long>>>>();

  private SvnIdeaRepositoryPoolManager myPool;
  private final SvnConfiguration myConfiguration;
  private final SvnEntriesFileListener myEntriesFileListener;

  private CheckinEnvironment myCheckinEnvironment;
  private RollbackEnvironment myRollbackEnvironment;
  private UpdateEnvironment mySvnUpdateEnvironment;
  private UpdateEnvironment mySvnIntegrateEnvironment;
  private VcsHistoryProvider mySvnHistoryProvider;
  private AnnotationProvider myAnnotationProvider;
  private DiffProvider mySvnDiffProvider;
  private final VcsShowConfirmationOption myAddConfirmation;
  private final VcsShowConfirmationOption myDeleteConfirmation;
  private EditFileProvider myEditFilesProvider;
  private SvnCommittedChangesProvider myCommittedChangesProvider;
  private final VcsShowSettingOption myCheckoutOptions;
  private static final SSLExceptionsHelper myHelper = new SSLExceptionsHelper();

  private ChangeProvider myChangeProvider;
  private MergeProvider myMergeProvider;
  private final WorkingCopiesContent myWorkingCopiesContent;

  @NonNls public static final String LOG_PARAMETER_NAME = "javasvn.log";
  @NonNls public static final String TRACE_NATIVE_CALLS = "javasvn.log.native";
  public static final String pathToEntries =
      SvnUtil.SVN_ADMIN_DIR_NAME + File.separatorChar + SvnUtil.ENTRIES_FILE_NAME;
  public static final String pathToDirProps =
      SvnUtil.SVN_ADMIN_DIR_NAME + File.separatorChar + SvnUtil.DIR_PROPS_FILE_NAME;
  private final SvnChangelistListener myChangeListListener;

  private SvnCopiesRefreshManager myCopiesRefreshManager;
  private SvnFileUrlMappingImpl myMapping;
  private final MyFrameStateListener myFrameStateListener;

  // Consumer<Boolean>
  public static final Topic<Consumer> ROOTS_RELOADED =
      new Topic<Consumer>("ROOTS_RELOADED", Consumer.class);
  private VcsListener myVcsListener;

  private SvnBranchPointsCalculator mySvnBranchPointsCalculator;

  private final RootsToWorkingCopies myRootsToWorkingCopies;
  private final SvnAuthenticationNotifier myAuthNotifier;
  private static RareLogger.LogFilter[] ourLogFilters;
  private final SvnLoadedBrachesStorage myLoadedBranchesStorage;

  public static final String SVNKIT_HTTP_SSL_PROTOCOLS = "svnkit.http.sslProtocols";
  private static boolean ourSSLProtocolsExplicitlySet = false;
  private final SvnExecutableChecker myChecker;

  public static final Processor<Exception> ourBusyExceptionProcessor =
      new Processor<Exception>() {
        @Override
        public boolean process(Exception e) {
          if (e instanceof SVNException) {
            final SVNErrorCode errorCode = ((SVNException) e).getErrorMessage().getErrorCode();
            if (SVNErrorCode.WC_LOCKED.equals(errorCode)) {
              return true;
            } else if (SVNErrorCode.SQLITE_ERROR.equals(errorCode)) {
              Throwable cause = ((SVNException) e).getErrorMessage().getCause();
              if (cause instanceof SqlJetException) {
                return SqlJetErrorCode.BUSY.equals(((SqlJetException) cause).getErrorCode());
              }
            }
          }
          return false;
        }
      };

  public void checkCommandLineVersion() {
    myChecker.checkExecutableAndNotifyIfNeeded();
  }

  static {
    System.setProperty("svnkit.log.native.calls", "true");
    final JavaSVNDebugLogger logger =
        new JavaSVNDebugLogger(
            Boolean.getBoolean(LOG_PARAMETER_NAME), Boolean.getBoolean(TRACE_NATIVE_CALLS), LOG);
    SVNDebugLog.setDefaultLog(logger);

    SVNJNAUtil.setJNAEnabled(true);
    SvnHttpAuthMethodsDefaultChecker.check();

    SVNAdminAreaFactory.setSelector(new SvnFormatSelector());

    DAVRepositoryFactory.setup();
    SVNRepositoryFactoryImpl.setup();
    FSRepositoryFactory.setup();

    // non-optimized writing is fast enough on Linux/MacOS, and somewhat more reliable
    if (SystemInfo.isWindows) {
      SVNAdminArea14.setOptimizedWritingEnabled(true);
    }

    if (!SVNJNAUtil.isJNAPresent()) {
      LOG.warn("JNA is not found by svnkit library");
    }
    initLogFilters();

    ourSSLProtocolsExplicitlySet = System.getProperty(SVNKIT_HTTP_SSL_PROTOCOLS) != null;
  }

  public static boolean isSSLProtocolExplicitlySet() {
    return ourSSLProtocolsExplicitlySet;
  }

  public SvnVcs(
      final Project project,
      MessageBus bus,
      SvnConfiguration svnConfiguration,
      final SvnLoadedBrachesStorage storage) {
    super(project, VCS_NAME);
    myLoadedBranchesStorage = storage;
    LOG.debug("ct");
    myRootsToWorkingCopies = new RootsToWorkingCopies(this);
    myConfiguration = svnConfiguration;
    myAuthNotifier = new SvnAuthenticationNotifier(this);

    dumpFileStatus(FileStatus.ADDED);
    dumpFileStatus(FileStatus.DELETED);
    dumpFileStatus(FileStatus.MERGE);
    dumpFileStatus(FileStatus.MODIFIED);
    dumpFileStatus(FileStatus.NOT_CHANGED);
    dumpFileStatus(FileStatus.UNKNOWN);

    dumpFileStatus(SvnFileStatus.REPLACED);
    dumpFileStatus(SvnFileStatus.EXTERNAL);
    dumpFileStatus(SvnFileStatus.OBSTRUCTED);

    refreshSSLProperty();

    final ProjectLevelVcsManager vcsManager = ProjectLevelVcsManager.getInstance(project);
    myAddConfirmation =
        vcsManager.getStandardConfirmation(VcsConfiguration.StandardConfirmation.ADD, this);
    myDeleteConfirmation =
        vcsManager.getStandardConfirmation(VcsConfiguration.StandardConfirmation.REMOVE, this);
    myCheckoutOptions =
        vcsManager.getStandardOption(VcsConfiguration.StandardOption.CHECKOUT, this);

    if (myProject.isDefault()) {
      myChangeListListener = null;
      myEntriesFileListener = null;
    } else {
      myEntriesFileListener = new SvnEntriesFileListener(project);
      upgradeIfNeeded(bus);

      myChangeListListener = new SvnChangelistListener(myProject, this);

      myVcsListener =
          new VcsListener() {
            @Override
            public void directoryMappingChanged() {
              invokeRefreshSvnRoots();
            }
          };
    }

    myFrameStateListener =
        project.isDefault()
            ? null
            : new MyFrameStateListener(
                ChangeListManager.getInstance(project), VcsDirtyScopeManager.getInstance(project));
    myWorkingCopiesContent = new WorkingCopiesContent(this);

    // remove used some time before old notification group ids
    correctNotificationIds();
    myChecker = new SvnExecutableChecker(myProject);
    myConfiguration.getAuthenticationManager(this).setHelper(myHelper);
  }

  private void correctNotificationIds() {
    boolean notEmpty =
        NotificationsConfigurationImpl.getNotificationsConfigurationImpl()
                .isRegistered("SVN_NO_JNA")
            || NotificationsConfigurationImpl.getNotificationsConfigurationImpl()
                .isRegistered("SVN_NO_CRYPT32")
            || NotificationsConfigurationImpl.getNotificationsConfigurationImpl()
                .isRegistered("SubversionId");
    if (notEmpty) {
      NotificationsConfigurationImpl.remove("SVN_NO_JNA", "SVN_NO_CRYPT32", "SubversionId");
      NotificationsConfiguration.getNotificationsConfiguration()
          .register(getDisplayName(), NotificationDisplayType.BALLOON);
    }
  }

  public void postStartup() {
    if (myProject.isDefault()) return;
    myCopiesRefreshManager =
        new SvnCopiesRefreshManager((SvnFileUrlMappingImpl) getSvnFileUrlMapping());
    if (!myConfiguration.isCleanupRun()) {
      ApplicationManager.getApplication()
          .invokeLater(
              new Runnable() {
                @Override
                public void run() {
                  cleanup17copies();
                  myConfiguration.setCleanupRun(true);
                }
              },
              ModalityState.NON_MODAL,
              myProject.getDisposed());
    } else {
      invokeRefreshSvnRoots();
    }

    myWorkingCopiesContent.activate();
  }

  private void cleanup17copies() {
    final Runnable callCleanupWorker =
        new Runnable() {
          public void run() {
            new CleanupWorker(
                new VirtualFile[] {}, myProject, "action.Subversion.cleanup.progress.title") {
              @Override
              protected void chanceToFillRoots() {
                final List<WCInfo> infos = getAllWcInfos();
                final LocalFileSystem lfs = LocalFileSystem.getInstance();
                final List<VirtualFile> roots = new ArrayList<VirtualFile>(infos.size());
                for (WCInfo info : infos) {
                  if (WorkingCopyFormat.ONE_DOT_SEVEN.equals(info.getFormat())) {
                    final VirtualFile file =
                        lfs.refreshAndFindFileByIoFile(new File(info.getPath()));
                    if (file == null) {
                      LOG.info("Wasn't able to find virtual file for wc root: " + info.getPath());
                    } else {
                      roots.add(file);
                    }
                  }
                }
                myRoots = roots.toArray(new VirtualFile[roots.size()]);
              }
            }.execute();
          }
        };

    myCopiesRefreshManager.waitRefresh(
        new Runnable() {
          @Override
          public void run() {
            ApplicationManager.getApplication().invokeLater(callCleanupWorker, ModalityState.any());
          }
        });
  }

  public void invokeRefreshSvnRoots() {
    REFRESH_LOG.debug("refresh: ", new Throwable());
    if (myCopiesRefreshManager != null) {
      myCopiesRefreshManager.asynchRequest();
    }
  }

  @Override
  public boolean checkImmediateParentsBeforeCommit() {
    return true;
  }

  private void upgradeIfNeeded(final MessageBus bus) {
    final MessageBusConnection connection = bus.connect();
    connection.subscribe(
        ChangeListManagerImpl.LISTS_LOADED,
        new LocalChangeListsLoadedListener() {
          @Override
          public void processLoadedLists(final List<LocalChangeList> lists) {
            if (lists.isEmpty()) return;
            SvnConfiguration.SvnSupportOptions supportOptions = null;
            try {
              ChangeListManager.getInstance(myProject)
                  .setReadOnly(SvnChangeProvider.ourDefaultListName, true);
              supportOptions = myConfiguration.getSupportOptions(myProject);

              if (!supportOptions.changeListsSynchronized()) {
                processChangeLists(lists);
              }
            } catch (ProcessCanceledException e) {
              //
            } finally {
              if (supportOptions != null) {
                supportOptions.upgrade();
              }
            }

            connection.disconnect();
          }
        });
  }

  public void processChangeLists(final List<LocalChangeList> lists) {
    final ProjectLevelVcsManager plVcsManager =
        ProjectLevelVcsManager.getInstanceChecked(myProject);
    plVcsManager.startBackgroundVcsOperation();
    try {
      final SVNChangelistClient client = createChangelistClient();
      for (LocalChangeList list : lists) {
        if (!list.isDefault()) {
          final Collection<Change> changes = list.getChanges();
          for (Change change : changes) {
            correctListForRevision(
                plVcsManager, change.getBeforeRevision(), client, list.getName());
            correctListForRevision(plVcsManager, change.getAfterRevision(), client, list.getName());
          }
        }
      }
    } finally {
      final Application appManager = ApplicationManager.getApplication();
      if (appManager.isDispatchThread()) {
        appManager.executeOnPooledThread(
            new Runnable() {
              @Override
              public void run() {
                plVcsManager.stopBackgroundVcsOperation();
              }
            });
      } else {
        plVcsManager.stopBackgroundVcsOperation();
      }
    }
  }

  private static void correctListForRevision(
      final ProjectLevelVcsManager plVcsManager,
      final ContentRevision revision,
      final SVNChangelistClient client,
      final String name) {
    if (revision != null) {
      final FilePath path = revision.getFile();
      final AbstractVcs vcs = plVcsManager.getVcsFor(path);
      if (vcs != null && VCS_NAME.equals(vcs.getName())) {
        try {
          client.doAddToChangelist(new File[] {path.getIOFile()}, SVNDepth.EMPTY, name, null);
        } catch (SVNException e) {
          // left in default list
        }
      }
    }
  }

  @Override
  public void activate() {
    createPool();
    final ProjectLevelVcsManager vcsManager = ProjectLevelVcsManager.getInstance(myProject);
    if (!myProject.isDefault()) {
      ChangeListManager.getInstance(myProject).addChangeListListener(myChangeListListener);
      vcsManager.addVcsListener(myVcsListener);
    }

    SvnApplicationSettings.getInstance().svnActivated();
    if (myEntriesFileListener != null) {
      VirtualFileManager.getInstance().addVirtualFileListener(myEntriesFileListener);
    }
    // this will initialize its inner listener for committed changes upload
    LoadedRevisionsCache.getInstance(myProject);
    FrameStateManager.getInstance().addListener(myFrameStateListener);

    myAuthNotifier.init();
    mySvnBranchPointsCalculator = new SvnBranchPointsCalculator(myProject);
    mySvnBranchPointsCalculator.activate();

    if (SystemInfo.isWindows) {
      if (!SVNJNAUtil.isJNAPresent()) {
        Notifications.Bus.notify(
            new Notification(
                getDisplayName(),
                "Subversion plugin: no JNA",
                "A problem with JNA initialization for svnkit library. Encryption is not available.",
                NotificationType.WARNING),
            NotificationDisplayType.BALLOON,
            myProject);
      } else if (!SVNJNAUtil.isWinCryptEnabled()) {
        Notifications.Bus.notify(
            new Notification(
                getDisplayName(),
                "Subversion plugin: no encryption",
                "A problem with encryption module (Crypt32.dll) initialization for svnkit library. Encryption is not available.",
                NotificationType.WARNING),
            NotificationDisplayType.BALLOON,
            myProject);
      }
    }

    final SvnConfiguration.UseAcceleration accelerationType =
        SvnConfiguration.getInstance(myProject).myUseAcceleration;
    if (SvnConfiguration.UseAcceleration.javaHL.equals(accelerationType)) {
      CheckJavaHL.runtimeCheck(myProject);
    } else if (SvnConfiguration.UseAcceleration.commandLine.equals(accelerationType)
        && !ApplicationManager.getApplication().isHeadlessEnvironment()) {
      myChecker.checkExecutableAndNotifyIfNeeded();
    }

    // do one time after project loaded
    StartupManager.getInstance(myProject)
        .runWhenProjectIsInitialized(
            new DumbAwareRunnable() {
              @Override
              public void run() {
                postStartup();

                // for IDEA, it takes 2 minutes - and anyway this can be done in background, no
                // sense...
                // once it could be mistaken about copies for 2 minutes on start...

                /*if (! myMapping.getAllWcInfos().isEmpty()) {
                  invokeRefreshSvnRoots();
                  return;
                }
                ProgressManager.getInstance().runProcessWithProgressSynchronously(new Runnable() {
                  public void run() {
                    myCopiesRefreshManager.getCopiesRefresh().ensureInit();
                  }
                }, SvnBundle.message("refreshing.working.copies.roots.progress.text"), true, myProject);*/
              }
            });

    vcsManager.addVcsListener(myRootsToWorkingCopies);

    myLoadedBranchesStorage.activate();
  }

  private static void initLogFilters() {
    if (ourLogFilters != null) return;
    ourLogFilters =
        new RareLogger.LogFilter[] {
          new RareLogger.LogFilter() {
            @Override
            public Object getKey(
                @NotNull org.apache.log4j.Level level,
                @NonNls String message,
                @Nullable Throwable t,
                @NonNls String... details) {
              SVNException svnExc = null;
              if (t instanceof SVNException) {
                svnExc = (SVNException) t;
              } else if (t instanceof VcsException && t.getCause() instanceof SVNException) {
                svnExc = (SVNException) t.getCause();
              }
              if (svnExc != null) {
                // only filter a few cases
                if (ourLogRarely.contains(svnExc.getErrorMessage().getErrorCode())) {
                  return svnExc.getErrorMessage().getErrorCode();
                }
              }
              return null;
            }

            @Override
            @NotNull
            public Integer getAllowedLoggingInterval(
                org.apache.log4j.Level level, String message, Throwable t, String[] details) {
              SVNException svnExc = null;
              if (t instanceof SVNException) {
                svnExc = (SVNException) t;
              } else if (t instanceof VcsException && t.getCause() instanceof SVNException) {
                svnExc = (SVNException) t.getCause();
              }
              if (svnExc != null) {
                if (ourLogRarely.contains(svnExc.getErrorMessage().getErrorCode())) {
                  return ourLogRareInterval;
                } else {
                  return ourLogUsualInterval;
                }
              }
              return 0;
            }
          }
        };
  }

  public static Logger wrapLogger(final Logger logger) {
    initLogFilters();
    return RareLogger.wrap(logger, Boolean.getBoolean("svn.logger.fairsynch"), ourLogFilters);
  }

  public RootsToWorkingCopies getRootsToWorkingCopies() {
    return myRootsToWorkingCopies;
  }

  public SvnAuthenticationNotifier getAuthNotifier() {
    return myAuthNotifier;
  }

  @Override
  public void deactivate() {
    FrameStateManager.getInstance().removeListener(myFrameStateListener);

    final ProjectLevelVcsManager vcsManager = ProjectLevelVcsManager.getInstance(myProject);
    if (myVcsListener != null) {
      vcsManager.removeVcsListener(myVcsListener);
    }

    if (myEntriesFileListener != null) {
      VirtualFileManager.getInstance().removeVirtualFileListener(myEntriesFileListener);
    }
    SvnApplicationSettings.getInstance().svnDeactivated();
    if (myCommittedChangesProvider != null) {
      myCommittedChangesProvider.deactivate();
    }
    if (myChangeListListener != null && !myProject.isDefault()) {
      ChangeListManager.getInstance(myProject).removeChangeListListener(myChangeListListener);
    }
    vcsManager.removeVcsListener(myRootsToWorkingCopies);
    myRootsToWorkingCopies.clear();

    myAuthNotifier.stop();
    myAuthNotifier.clear();

    mySvnBranchPointsCalculator.deactivate();
    mySvnBranchPointsCalculator = null;
    myWorkingCopiesContent.deactivate();
    myLoadedBranchesStorage.deactivate();
    myPool.dispose();
    myPool = null;
  }

  public VcsShowConfirmationOption getAddConfirmation() {
    return myAddConfirmation;
  }

  public VcsShowConfirmationOption getDeleteConfirmation() {
    return myDeleteConfirmation;
  }

  public VcsShowSettingOption getCheckoutOptions() {
    return myCheckoutOptions;
  }

  @Override
  public EditFileProvider getEditFileProvider() {
    if (myEditFilesProvider == null) {
      myEditFilesProvider = new SvnEditFileProvider(this);
    }
    return myEditFilesProvider;
  }

  @Override
  @NotNull
  public ChangeProvider getChangeProvider() {
    if (myChangeProvider == null) {
      myChangeProvider = new SvnChangeProvider(this);
    }
    return myChangeProvider;
  }

  public SVNRepository createRepository(String url) throws SVNException {
    SVNRepository repos = SVNRepositoryFactory.create(SVNURL.parseURIEncoded(url));
    repos.setAuthenticationManager(myConfiguration.getAuthenticationManager(this));
    repos.setTunnelProvider(myConfiguration.getOptions(myProject));
    return repos;
  }

  public SVNRepository createRepository(SVNURL url) throws SVNException {
    SVNRepository repos = SVNRepositoryFactory.create(url);
    repos.setAuthenticationManager(myConfiguration.getAuthenticationManager(this));
    repos.setTunnelProvider(myConfiguration.getOptions(myProject));
    return repos;
  }

  private void createPool() {
    if (myPool != null) return;
    final String property = System.getProperty(KEEP_CONNECTIONS_KEY);
    final boolean keep;
    boolean unitTestMode = ApplicationManager.getApplication().isUnitTestMode();
    // pool variant by default
    if (StringUtil.isEmptyOrSpaces(property) || unitTestMode) {
      keep = !unitTestMode; // default
    } else {
      keep = Boolean.getBoolean(KEEP_CONNECTIONS_KEY);
    }
    myPool =
        new SvnIdeaRepositoryPoolManager(
            false,
            myConfiguration.getAuthenticationManager(this),
            myConfiguration.getOptions(myProject));
  }

  @NotNull
  private ISVNRepositoryPool getPool() {
    if (myProject.isDisposed()) {
      throw new ProcessCanceledException();
    }
    if (myPool == null) {
      createPool();
    }
    return myPool;
  }

  public SVNUpdateClient createUpdateClient() {
    final SVNUpdateClient client =
        new SVNUpdateClient(getPool(), myConfiguration.getOptions(myProject));
    client
        .getOperationsFactory()
        .setAuthenticationManager(myConfiguration.getAuthenticationManager(this));
    return client;
  }

  public SVNUpdateClient createUpdateClient(@NotNull ISVNAuthenticationManager manager) {
    final SVNUpdateClient client =
        new SVNUpdateClient(getPool(), myConfiguration.getOptions(myProject));
    client.getOperationsFactory().setAuthenticationManager(manager);
    return client;
  }

  public SVNStatusClient createStatusClient() {
    SVNStatusClient client = new SVNStatusClient(getPool(), myConfiguration.getOptions(myProject));
    client
        .getOperationsFactory()
        .setAuthenticationManager(myConfiguration.getAuthenticationManager(this));
    client.setIgnoreExternals(false);
    return client;
  }

  public SVNWCClient createWCClient() {
    final SVNWCClient client = new SVNWCClient(getPool(), myConfiguration.getOptions(myProject));
    client
        .getOperationsFactory()
        .setAuthenticationManager(myConfiguration.getAuthenticationManager(this));
    return client;
  }

  public SVNWCClient createWCClient(@NotNull ISVNAuthenticationManager manager) {
    final SVNWCClient client = new SVNWCClient(getPool(), myConfiguration.getOptions(myProject));
    client.getOperationsFactory().setAuthenticationManager(manager);
    return client;
  }

  public SVNCopyClient createCopyClient() {
    final SVNCopyClient client =
        new SVNCopyClient(getPool(), myConfiguration.getOptions(myProject));
    client
        .getOperationsFactory()
        .setAuthenticationManager(myConfiguration.getAuthenticationManager(this));
    return client;
  }

  public SVNMoveClient createMoveClient() {
    final SVNMoveClient client =
        new SVNMoveClient(getPool(), myConfiguration.getOptions(myProject));
    client
        .getOperationsFactory()
        .setAuthenticationManager(myConfiguration.getAuthenticationManager(this));
    return client;
  }

  public SVNLogClient createLogClient() {
    final SVNLogClient client = new SVNLogClient(getPool(), myConfiguration.getOptions(myProject));
    client
        .getOperationsFactory()
        .setAuthenticationManager(myConfiguration.getAuthenticationManager(this));
    return client;
  }

  public SVNLogClient createLogClient(@NotNull ISVNAuthenticationManager manager) {
    final SVNLogClient client = new SVNLogClient(getPool(), myConfiguration.getOptions(myProject));
    client.getOperationsFactory().setAuthenticationManager(manager);
    return client;
  }

  public SVNCommitClient createCommitClient() {
    final SVNCommitClient client =
        new SVNCommitClient(getPool(), myConfiguration.getOptions(myProject));
    client
        .getOperationsFactory()
        .setAuthenticationManager(myConfiguration.getAuthenticationManager(this));
    return client;
  }

  public SVNDiffClient createDiffClient() {
    final SVNDiffClient client =
        new SVNDiffClient(getPool(), myConfiguration.getOptions(myProject));
    client
        .getOperationsFactory()
        .setAuthenticationManager(myConfiguration.getAuthenticationManager(this));
    return client;
  }

  public SVNChangelistClient createChangelistClient() {
    final SVNChangelistClient client =
        new SVNChangelistClient(getPool(), myConfiguration.getOptions(myProject));
    client
        .getOperationsFactory()
        .setAuthenticationManager(myConfiguration.getAuthenticationManager(this));
    return client;
  }

  public ISVNOptions getSvnOptions() {
    return myConfiguration.getOptions(myProject);
  }

  public ISVNAuthenticationManager getSvnAuthenticationManager() {
    return myConfiguration.getAuthenticationManager(this);
  }

  void dumpFileStatus(FileStatus fs) {
    if (LOG.isDebugEnabled()) {
      LOG.debug(
          "FileStatus:" + fs.getText() + " " + fs.getColor() + " " + " " + fs.getClass().getName());
    }
  }

  @Override
  public UpdateEnvironment getIntegrateEnvironment() {
    if (mySvnIntegrateEnvironment == null) {
      mySvnIntegrateEnvironment = new SvnIntegrateEnvironment(this);
    }
    return mySvnIntegrateEnvironment;
  }

  @Override
  public UpdateEnvironment createUpdateEnvironment() {
    if (mySvnUpdateEnvironment == null) {
      mySvnUpdateEnvironment = new SvnUpdateEnvironment(this);
    }
    return mySvnUpdateEnvironment;
  }

  @Override
  public String getDisplayName() {
    LOG.debug("getDisplayName");
    return "Subversion";
  }

  @Override
  public Configurable getConfigurable() {
    LOG.debug("createConfigurable");
    return new SvnConfigurable(myProject);
  }

  public SvnConfiguration getSvnConfiguration() {
    return myConfiguration;
  }

  public static SvnVcs getInstance(Project project) {
    return (SvnVcs) ProjectLevelVcsManager.getInstance(project).findVcsByName(VCS_NAME);
  }

  @Override
  @NotNull
  public CheckinEnvironment createCheckinEnvironment() {
    if (myCheckinEnvironment == null) {
      myCheckinEnvironment = new SvnCheckinEnvironment(this);
    }
    return myCheckinEnvironment;
  }

  @Override
  @NotNull
  public RollbackEnvironment createRollbackEnvironment() {
    if (myRollbackEnvironment == null) {
      myRollbackEnvironment = new SvnRollbackEnvironment(this);
    }
    return myRollbackEnvironment;
  }

  @Override
  public VcsHistoryProvider getVcsHistoryProvider() {
    // no heavy state, but it would be useful to have place to keep state in -> do not reuse
    // instance
    return new SvnHistoryProvider(this);
  }

  @Override
  public VcsHistoryProvider getVcsBlockHistoryProvider() {
    return getVcsHistoryProvider();
  }

  @Override
  public AnnotationProvider getAnnotationProvider() {
    if (myAnnotationProvider == null) {
      myAnnotationProvider = new SvnAnnotationProvider(this);
    }
    return myAnnotationProvider;
  }

  @Override
  public DiffProvider getDiffProvider() {
    if (mySvnDiffProvider == null) {
      mySvnDiffProvider = new SvnDiffProvider(this);
    }
    return mySvnDiffProvider;
  }

  private static Trinity<Long, Long, Long> getTimestampForPropertiesChange(
      final File ioFile, final boolean isDir) {
    final File dir = isDir ? ioFile : ioFile.getParentFile();
    final String relPath =
        SVNAdminUtil.getPropPath(
            ioFile.getName(), isDir ? SVNNodeKind.DIR : SVNNodeKind.FILE, false);
    final String relPathBase =
        SVNAdminUtil.getPropBasePath(
            ioFile.getName(), isDir ? SVNNodeKind.DIR : SVNNodeKind.FILE, false);
    final String relPathRevert =
        SVNAdminUtil.getPropRevertPath(
            ioFile.getName(), isDir ? SVNNodeKind.DIR : SVNNodeKind.FILE, false);
    return new Trinity<Long, Long, Long>(
        new File(dir, relPath).lastModified(),
        new File(dir, relPathBase).lastModified(),
        new File(dir, relPathRevert).lastModified());
  }

  private static boolean trinitiesEqual(
      final Trinity<Long, Long, Long> t1, final Trinity<Long, Long, Long> t2) {
    if (t2.first == 0 && t2.second == 0 && t2.third == 0) return false;
    return t1.equals(t2);
  }

  @Nullable
  public SVNPropertyValue getPropertyWithCaching(final VirtualFile file, final String propName)
      throws SVNException {
    Map<String, Pair<SVNPropertyValue, Trinity<Long, Long, Long>>> cachedMap =
        myPropertyCache.get(keyForVf(file));
    final Pair<SVNPropertyValue, Trinity<Long, Long, Long>> cachedValue =
        cachedMap == null ? null : cachedMap.get(propName);

    final File ioFile = new File(file.getPath());
    final Trinity<Long, Long, Long> tsTrinity =
        getTimestampForPropertiesChange(ioFile, file.isDirectory());

    if (cachedValue != null) {
      // zero means that a file was not found
      if (trinitiesEqual(cachedValue.getSecond(), tsTrinity)) {
        return cachedValue.getFirst();
      }
    }

    final SVNPropertyData value =
        createWCClient().doGetProperty(ioFile, propName, SVNRevision.WORKING, SVNRevision.WORKING);
    final SVNPropertyValue propValue = value == null ? null : value.getValue();

    if (cachedMap == null) {
      cachedMap = new HashMap<String, Pair<SVNPropertyValue, Trinity<Long, Long, Long>>>();
      myPropertyCache.put(keyForVf(file), cachedMap);
    }

    cachedMap.put(
        propName, new Pair<SVNPropertyValue, Trinity<Long, Long, Long>>(propValue, tsTrinity));

    return propValue;
  }

  @Override
  public boolean fileExistsInVcs(FilePath path) {
    File file = path.getIOFile();
    try {
      SVNStatus status = createStatusClient().doStatus(file, false);
      if (status != null) {
        if (svnStatusIs(status, SVNStatusType.STATUS_ADDED)) {
          return status.isCopied();
        }
        return !(svnStatusIsUnversioned(status)
            || svnStatusIs(status, SVNStatusType.STATUS_IGNORED)
            || svnStatusIs(status, SVNStatusType.STATUS_OBSTRUCTED));
      }
    } catch (SVNException e) {
      //
    }
    return false;
  }

  public static boolean svnStatusIsUnversioned(final SVNStatus status) {
    return svnStatusIs(status, SVNStatusType.STATUS_UNVERSIONED);
  }

  public static boolean svnStatusIs(final SVNStatus status, @NotNull final SVNStatusType value) {
    return value.equals(status.getNodeStatus()) || value.equals(status.getContentsStatus());
  }

  @Override
  public boolean fileIsUnderVcs(FilePath path) {
    final ChangeListManager clManager = ChangeListManager.getInstance(myProject);
    final VirtualFile file = path.getVirtualFile();
    if (file == null) {
      return false;
    }
    return !SvnStatusUtil.isIgnoredInAnySense(clManager, file) && !clManager.isUnversioned(file);
  }

  private static File getEntriesFile(File file) {
    return file.isDirectory()
        ? new File(file, pathToEntries)
        : new File(file.getParentFile(), pathToEntries);
  }

  private static File getDirPropsFile(File file) {
    return new File(file, pathToDirProps);
  }

  @Nullable
  public SVNInfo getInfo(final VirtualFile file) {
    final File ioFile = new File(file.getPath());
    return getInfo(ioFile);
  }

  public SVNInfo getInfo(File ioFile) {
    try {
      SVNWCClient wcClient = createWCClient();
      SVNInfo info = wcClient.doInfo(ioFile, SVNRevision.UNDEFINED);
      if (info == null || info.getRepositoryRootURL() == null) {
        info = wcClient.doInfo(ioFile, SVNRevision.HEAD);
      }
      return info;
    } catch (SVNException e) {
      return null;
    }
  }

  public void refreshSSLProperty() {
    if (ourSSLProtocolsExplicitlySet) return;
    if (SvnConfiguration.SSLProtocols.all.equals(myConfiguration.SSL_PROTOCOLS)) {
      System.clearProperty(SVNKIT_HTTP_SSL_PROTOCOLS);
    } else if (SvnConfiguration.SSLProtocols.sslv3.equals(myConfiguration.SSL_PROTOCOLS)) {
      System.setProperty(SVNKIT_HTTP_SSL_PROTOCOLS, "SSLv3");
    } else if (SvnConfiguration.SSLProtocols.tlsv1.equals(myConfiguration.SSL_PROTOCOLS)) {
      System.setProperty(SVNKIT_HTTP_SSL_PROTOCOLS, "TLSv1");
    }
  }

  private static class JavaSVNDebugLogger extends SVNDebugLogAdapter {
    private final boolean myLoggingEnabled;
    private final boolean myLogNative;
    private final Logger myLog;
    private static final long ourMaxFrequency = 10000;
    private long myPreviousTime = 0;

    public JavaSVNDebugLogger(boolean loggingEnabled, boolean logNative, Logger log) {
      myLoggingEnabled = loggingEnabled;
      myLogNative = logNative;
      myLog = log;
    }

    private boolean shouldLog(final SVNLogType logType) {
      return myLoggingEnabled || myLogNative && SVNLogType.NATIVE_CALL.equals(logType);
    }

    @Override
    public void log(final SVNLogType logType, final Throwable th, final Level logLevel) {
      if (th instanceof SSLHandshakeException) {
        final long time = System.currentTimeMillis();
        if ((time - myPreviousTime) > ourMaxFrequency) {
          myPreviousTime = time;
          String info = myHelper.getAddInfo();
          info = info == null ? "" : " (" + info + ") ";
          if (th.getCause() instanceof CertificateException) {
            PopupUtil.showBalloonForActiveComponent(
                "Subversion: " + info + th.getCause().getMessage(), MessageType.ERROR);
          } else {
            final String postMessage =
                "\nPlease check Subversion SSL settings (Settings | Version Control | Subversion | Network)";
            PopupUtil.showBalloonForActiveComponent(
                "Subversion: " + info + th.getMessage() + postMessage, MessageType.ERROR);
          }
        }
      }
      if (shouldLog(logType)) {
        myLog.info(th);
      }
    }

    @Override
    public void log(final SVNLogType logType, final String message, final Level logLevel) {
      if (SVNLogType.NATIVE_CALL.equals(logType)) {
        logNative(message);
      }
      if (shouldLog(logType)) {
        myLog.info(message);
      }
    }

    private static void logNative(String message) {
      if (message == null) return;
      final NativeLogReader.CallInfo callInfo = SvnNativeLogParser.parse(message);
      if (callInfo == null) return;
      NativeLogReader.putInfo(callInfo);
    }

    @Override
    public void log(final SVNLogType logType, final String message, final byte[] data) {
      if (shouldLog(logType)) {
        if (data != null) {
          try {
            myLog.info(message + "\n" + new String(data, "UTF-8"));
          } catch (UnsupportedEncodingException e) {
            myLog.info(message + "\n" + new String(data));
          }
        } else {
          myLog.info(message);
        }
      }
    }
  }

  @Override
  public FileStatus[] getProvidedStatuses() {
    return new FileStatus[] {
      SvnFileStatus.EXTERNAL, SvnFileStatus.OBSTRUCTED, SvnFileStatus.REPLACED
    };
  }

  @Override
  @NotNull
  public CommittedChangesProvider<SvnChangeList, ChangeBrowserSettings>
      getCommittedChangesProvider() {
    if (myCommittedChangesProvider == null) {
      myCommittedChangesProvider = new SvnCommittedChangesProvider(myProject);
    }
    return myCommittedChangesProvider;
  }

  @Nullable
  @Override
  public VcsRevisionNumber parseRevisionNumber(final String revisionNumberString) {
    final SVNRevision revision = SVNRevision.parse(revisionNumberString);
    if (revision.equals(SVNRevision.UNDEFINED)) {
      return null;
    }
    return new SvnRevisionNumber(revision);
  }

  @Override
  public String getRevisionPattern() {
    return ourIntegerPattern;
  }

  @Override
  public boolean isVersionedDirectory(final VirtualFile dir) {
    return SvnUtil.seemsLikeVersionedDir(dir);
  }

  @NotNull
  public SvnFileUrlMapping getSvnFileUrlMapping() {
    if (myMapping == null) {
      myMapping = SvnFileUrlMappingImpl.getInstance(myProject);
    }
    return myMapping;
  }

  /**
   * Returns real working copies roots - if there is <Project Root> -> Subversion setting, and there
   * is one working copy, will return one root
   */
  public List<WCInfo> getAllWcInfos() {
    final SvnFileUrlMapping urlMapping = getSvnFileUrlMapping();

    final List<RootUrlInfo> infoList = urlMapping.getAllWcInfos();
    final List<WCInfo> infos = new ArrayList<WCInfo>();
    for (RootUrlInfo info : infoList) {
      final File file = info.getIoFile();
      infos.add(
          new WCInfo(
              file.getAbsolutePath(),
              info.getAbsoluteUrlAsUrl(),
              info.getFormat(),
              info.getRepositoryUrl(),
              SvnUtil.isWorkingCopyRoot(file),
              info.getType(),
              SvnUtil.getDepth(this, file)));
    }
    return infos;
  }

  @Override
  public RootsConvertor getCustomConvertor() {
    if (myProject.isDefault()) return null;
    return getSvnFileUrlMapping();
  }

  @Override
  public MergeProvider getMergeProvider() {
    if (myMergeProvider == null) {
      myMergeProvider = new SvnMergeProvider(myProject);
    }
    return myMergeProvider;
  }

  @Override
  public List<AnAction> getAdditionalActionsForLocalChange() {
    return Arrays.<AnAction>asList(new ShowPropertiesDiffWithLocalAction());
  }

  private static String keyForVf(final VirtualFile vf) {
    return vf.getUrl();
  }

  @Override
  public boolean allowsNestedRoots() {
    return true;
  }

  @Override
  public <S> List<S> filterUniqueRoots(
      final List<S> in, final Convertor<S, VirtualFile> convertor) {
    if (in.size() <= 1) return in;

    final List<MyPair<S>> infos = new ArrayList<MyPair<S>>(in.size());
    final SvnFileUrlMappingImpl mapping = (SvnFileUrlMappingImpl) getSvnFileUrlMapping();
    final List<S> notMatched = new LinkedList<S>();
    for (S s : in) {
      final VirtualFile vf = convertor.convert(s);
      if (vf == null) continue;

      final File ioFile = new File(vf.getPath());
      SVNURL url = mapping.getUrlForFile(ioFile);
      if (url == null) {
        url = SvnUtil.getUrl(this, ioFile);
        if (url == null) {
          notMatched.add(s);
          continue;
        }
      }
      infos.add(new MyPair<S>(vf, url.toString(), s));
    }
    final List<MyPair<S>> filtered = new ArrayList<MyPair<S>>(infos.size());
    ForNestedRootChecker.filterOutSuperfluousChildren(this, infos, filtered);

    final List<S> converted =
        ObjectsConvertor.convert(
            filtered,
            new Convertor<MyPair<S>, S>() {
              @Override
              public S convert(final MyPair<S> o) {
                return o.getSrc();
              }
            });
    if (!notMatched.isEmpty()) {
      // potential bug is here: order is not kept. but seems it only occurs for cases where result
      // is sorted after filtering so ok
      converted.addAll(notMatched);
    }
    return converted;
  }

  private static class MyPair<T> implements RootUrlPair {
    private final VirtualFile myFile;
    private final String myUrl;
    private final T mySrc;

    private MyPair(VirtualFile file, String url, T src) {
      myFile = file;
      myUrl = url;
      mySrc = src;
    }

    public T getSrc() {
      return mySrc;
    }

    @Override
    public VirtualFile getVirtualFile() {
      return myFile;
    }

    @Override
    public String getUrl() {
      return myUrl;
    }
  }

  private static class MyFrameStateListener extends FrameStateListener.Adapter {
    private final ChangeListManager myClManager;
    private final VcsDirtyScopeManager myDirtyScopeManager;

    private MyFrameStateListener(
        ChangeListManager clManager, VcsDirtyScopeManager dirtyScopeManager) {
      myClManager = clManager;
      myDirtyScopeManager = dirtyScopeManager;
    }

    @Override
    public void onFrameActivated() {
      final List<VirtualFile> folders = ((ChangeListManagerImpl) myClManager).getLockedFolders();
      if (!folders.isEmpty()) {
        myDirtyScopeManager.filesDirty(null, folders);
      }
    }
  }

  public static VcsKey getKey() {
    return ourKey;
  }

  @Override
  public boolean isVcsBackgroundOperationsAllowed(VirtualFile root) {
    return ThreeState.YES.equals(myAuthNotifier.isAuthenticatedFor(root));
  }

  public SvnBranchPointsCalculator getSvnBranchPointsCalculator() {
    return mySvnBranchPointsCalculator;
  }

  @Override
  public boolean areDirectoriesVersionedItems() {
    return true;
  }
}