private void recycleChangeList(
      final ShelvedChangeList listCopy, final ShelvedChangeList newList) {
    if (newList != null) {
      for (Iterator<ShelvedBinaryFile> shelvedChangeListIterator =
              listCopy.getBinaryFiles().iterator();
          shelvedChangeListIterator.hasNext(); ) {
        final ShelvedBinaryFile binaryFile = shelvedChangeListIterator.next();
        for (ShelvedBinaryFile newBinary : newList.getBinaryFiles()) {
          if (Comparing.equal(newBinary.BEFORE_PATH, binaryFile.BEFORE_PATH)
              && Comparing.equal(newBinary.AFTER_PATH, binaryFile.AFTER_PATH)) {
            shelvedChangeListIterator.remove();
          }
        }
      }
      for (Iterator<ShelvedChange> iterator = listCopy.getChanges(myProject).iterator();
          iterator.hasNext(); ) {
        final ShelvedChange change = iterator.next();
        for (ShelvedChange newChange : newList.getChanges(myProject)) {
          if (Comparing.equal(change.getBeforePath(), newChange.getBeforePath())
              && Comparing.equal(change.getAfterPath(), newChange.getAfterPath())) {
            iterator.remove();
          }
        }
      }

      // needed only if partial unshelve
      try {
        final CommitContext commitContext = new CommitContext();
        final List<FilePatch> patches = new ArrayList<FilePatch>();
        for (ShelvedChange change : listCopy.getChanges(myProject)) {
          patches.add(change.loadFilePatch(myProject, commitContext));
        }
        writePatchesToFile(myProject, listCopy.PATH, patches, commitContext);
      } catch (IOException e) {
        LOG.info(e);
        // left file as is
      } catch (PatchSyntaxException e) {
        LOG.info(e);
        // left file as is
      }
    }

    if ((!listCopy.getBinaryFiles().isEmpty()) || (!listCopy.getChanges(myProject).isEmpty())) {
      listCopy.setRecycled(true);
      myRecycledShelvedChangeLists.add(listCopy);
      notifyStateChanged();
    }
  }
 private static boolean needUnshelve(final FilePatch patch, final List<ShelvedChange> changes) {
   for (ShelvedChange change : changes) {
     if (Comparing.equal(patch.getBeforeName(), change.getBeforePath())) {
       return true;
     }
   }
   return false;
 }
  @Nullable
  public static VcsRevisionDescription getCurrentRevisionDescription(
      final Project project, FilePath filePath, @Nullable String branch) throws VcsException {
    filePath = getLastCommitName(project, filePath);
    GitSimpleHandler h =
        new GitSimpleHandler(project, GitUtil.getGitRoot(filePath), GitCommand.LOG);
    GitLogParser parser =
        new GitLogParser(
            project, HASH, COMMIT_TIME, AUTHOR_NAME, COMMITTER_NAME, SUBJECT, BODY, RAW_BODY);
    h.setNoSSH(true);
    h.setSilent(true);
    h.addParameters("-n1", parser.getPretty());
    if (branch != null && !branch.isEmpty()) {
      h.addParameters(branch);
    } else {
      h.addParameters("--all");
    }
    h.endOptions();
    h.addRelativePaths(filePath);
    String result = h.run();
    if (result.length() == 0) {
      return null;
    }
    final GitLogRecord record = parser.parseOneRecord(result);
    if (record == null) {
      return null;
    }
    record.setUsedHandler(h);

    final String author =
        Comparing.equal(record.getAuthorName(), record.getCommitterName())
            ? record.getAuthorName()
            : record.getAuthorName() + " (" + record.getCommitterName() + ")";
    return new VcsRevisionDescriptionImpl(
        new GitRevisionNumber(record.getHash(), record.getDate()),
        record.getDate(),
        author,
        record.getFullMessage());
  }
  @SuppressWarnings({"HardCodedStringLiteral"})
  @Nullable
  public static IdeaPluginDescriptorImpl loadDescriptor(
      final File file, @NonNls final String fileName) {
    IdeaPluginDescriptorImpl descriptor = null;

    if (file.isDirectory()) {
      descriptor = loadDescriptorFromDir(file, fileName);

      if (descriptor == null) {
        File libDir = new File(file, "lib");
        if (!libDir.isDirectory()) {
          return null;
        }
        final File[] files = libDir.listFiles();
        if (files == null || files.length == 0) {
          return null;
        }
        Arrays.sort(
            files,
            new Comparator<File>() {
              @Override
              public int compare(File o1, File o2) {
                if (o2.getName().startsWith(file.getName())) return Integer.MAX_VALUE;
                if (o1.getName().startsWith(file.getName())) return -Integer.MAX_VALUE;
                if (o2.getName().startsWith("resources")) return -Integer.MAX_VALUE;
                if (o1.getName().startsWith("resources")) return Integer.MAX_VALUE;
                return 0;
              }
            });
        for (final File f : files) {
          if (FileUtil.isJarOrZip(f)) {
            descriptor = loadDescriptorFromJar(f, fileName);
            if (descriptor != null) {
              descriptor.setPath(file);
              break;
            }
            //           getLogger().warn("Cannot load descriptor from " + f.getName() + "");
          } else if (f.isDirectory()) {
            IdeaPluginDescriptorImpl descriptor1 = loadDescriptorFromDir(f, fileName);
            if (descriptor1 != null) {
              if (descriptor != null) {
                getLogger()
                    .info("Cannot load " + file + " because two or more plugin.xml's detected");
                return null;
              }
              descriptor = descriptor1;
              descriptor.setPath(file);
            }
          }
        }
      }
    } else if (StringUtil.endsWithIgnoreCase(file.getName(), ".jar") && file.exists()) {
      descriptor = loadDescriptorFromJar(file, fileName);
    }

    if (descriptor != null && !descriptor.getOptionalConfigs().isEmpty()) {
      final Map<PluginId, IdeaPluginDescriptorImpl> descriptors =
          new HashMap<PluginId, IdeaPluginDescriptorImpl>(descriptor.getOptionalConfigs().size());
      for (Map.Entry<PluginId, String> entry : descriptor.getOptionalConfigs().entrySet()) {
        String optionalDescriptorName = entry.getValue();
        assert !Comparing.equal(fileName, optionalDescriptorName)
            : "recursive dependency: " + fileName;

        IdeaPluginDescriptorImpl optionalDescriptor = loadDescriptor(file, optionalDescriptorName);
        if (optionalDescriptor == null && !FileUtil.isJarOrZip(file)) {
          for (URL url : getClassLoaderUrls()) {
            if ("file".equals(url.getProtocol())) {
              optionalDescriptor =
                  loadDescriptor(new File(decodeUrl(url.getFile())), optionalDescriptorName);
              if (optionalDescriptor != null) {
                break;
              }
            }
          }
        }
        if (optionalDescriptor != null) {
          descriptors.put(entry.getKey(), optionalDescriptor);
        } else {
          getLogger().info("Cannot find optional descriptor " + optionalDescriptorName);
        }
      }
      descriptor.setOptionalDescriptors(descriptors);
    }
    return descriptor;
  }