public List<ShelvedChangeList> importChangeLists(
     final Collection<VirtualFile> files, final Consumer<VcsException> exceptionConsumer) {
   final List<ShelvedChangeList> result = new ArrayList<ShelvedChangeList>(files.size());
   try {
     final FilesProgress filesProgress = new FilesProgress(files.size(), "Processing ");
     for (VirtualFile file : files) {
       filesProgress.updateIndicator(file);
       final String description = file.getNameWithoutExtension().replace('_', ' ');
       final File patchPath = getPatchPath(description);
       final ShelvedChangeList list =
           new ShelvedChangeList(
               patchPath.getPath(),
               description,
               new SmartList<ShelvedBinaryFile>(),
               file.getTimeStamp());
       try {
         final List<TextFilePatch> patchesList =
             loadPatches(myProject, file.getPath(), new CommitContext());
         if (!patchesList.isEmpty()) {
           FileUtil.copy(new File(file.getPath()), patchPath);
           // add only if ok to read patch
           myShelvedChangeLists.add(list);
           result.add(list);
         }
       } catch (IOException e) {
         exceptionConsumer.consume(new VcsException(e));
       } catch (PatchSyntaxException e) {
         exceptionConsumer.consume(new VcsException(e));
       }
     }
   } finally {
     notifyStateChanged();
   }
   return result;
 }
  void saveRemainingPatches(
      final ShelvedChangeList changeList,
      final List<FilePatch> remainingPatches,
      final List<ShelvedBinaryFile> remainingBinaries,
      CommitContext commitContext) {
    final File newPath = getPatchPath(changeList.DESCRIPTION);
    try {
      FileUtil.copy(new File(changeList.PATH), newPath);
    } catch (IOException e) {
      // do not delete if cannot recycle
      return;
    }
    final ShelvedChangeList listCopy =
        new ShelvedChangeList(
            newPath.getAbsolutePath(),
            changeList.DESCRIPTION,
            new ArrayList<ShelvedBinaryFile>(changeList.getBinaryFiles()));
    listCopy.DATE = (changeList.DATE == null) ? null : new Date(changeList.DATE.getTime());

    writePatchesToFile(myProject, changeList.PATH, remainingPatches, commitContext);

    changeList.getBinaryFiles().retainAll(remainingBinaries);
    changeList.clearLoadedChanges();
    recycleChangeList(listCopy, changeList);
    notifyStateChanged();
  }
  public ShelvedChangeList importFilePatches(
      final String fileName, final List<FilePatch> patches, final PatchEP[] patchTransitExtensions)
      throws IOException {
    try {
      final File patchPath = getPatchPath(fileName);
      myFileProcessor.savePathFile(
          new CompoundShelfFileProcessor.ContentProvider() {
            public void writeContentTo(final Writer writer, CommitContext commitContext)
                throws IOException {
              UnifiedDiffWriter.write(
                  myProject, patches, writer, "\n", patchTransitExtensions, commitContext);
            }
          },
          patchPath,
          new CommitContext());

      final ShelvedChangeList changeList =
          new ShelvedChangeList(
              patchPath.toString(),
              fileName.replace('\n', ' '),
              new SmartList<ShelvedBinaryFile>());
      myShelvedChangeLists.add(changeList);
      return changeList;
    } finally {
      notifyStateChanged();
    }
  }
  public ShelvedChangeList shelveChanges(
      final Collection<Change> changes, final String commitMessage, final boolean rollback)
      throws IOException, VcsException {
    final List<Change> textChanges = new ArrayList<Change>();
    final List<ShelvedBinaryFile> binaryFiles = new ArrayList<ShelvedBinaryFile>();
    for (Change change : changes) {
      if (ChangesUtil.getFilePath(change).isDirectory()) {
        continue;
      }
      if (change.getBeforeRevision() instanceof BinaryContentRevision
          || change.getAfterRevision() instanceof BinaryContentRevision) {
        binaryFiles.add(shelveBinaryFile(change));
      } else {
        textChanges.add(change);
      }
    }

    final ShelvedChangeList changeList;
    try {
      File patchPath = getPatchPath(commitMessage);
      ProgressManager.checkCanceled();
      final List<FilePatch> patches =
          IdeaTextPatchBuilder.buildPatch(
              myProject, textChanges, myProject.getBaseDir().getPresentableUrl(), false);
      ProgressManager.checkCanceled();

      CommitContext commitContext = new CommitContext();
      baseRevisionsOfDvcsIntoContext(textChanges, commitContext);
      myFileProcessor.savePathFile(
          new CompoundShelfFileProcessor.ContentProvider() {
            public void writeContentTo(final Writer writer, CommitContext commitContext)
                throws IOException {
              UnifiedDiffWriter.write(myProject, patches, writer, "\n", commitContext);
            }
          },
          patchPath,
          commitContext);

      changeList =
          new ShelvedChangeList(
              patchPath.toString(), commitMessage.replace('\n', ' '), binaryFiles);
      myShelvedChangeLists.add(changeList);
      ProgressManager.checkCanceled();

      if (rollback) {
        new RollbackWorker(myProject, false)
            .doRollback(changes, true, null, VcsBundle.message("shelve.changes.action"));
      }
    } finally {
      notifyStateChanged();
    }

    return changeList;
  }
  private void deleteListImpl(final ShelvedChangeList changeList) {
    File file = new File(changeList.PATH);
    myFileProcessor.delete(file.getName());

    for (ShelvedBinaryFile binaryFile : changeList.getBinaryFiles()) {
      final String path = binaryFile.SHELVED_PATH;
      if (path != null) {
        File binFile = new File(path);
        myFileProcessor.delete(binFile.getName());
      }
    }
  }
 /**
  * Create a file that contains the specified message
  *
  * @param root a git repository root
  * @param message a message to write
  * @return a file reference
  * @throws IOException if file cannot be created
  */
 private File createMessageFile(VirtualFile root, final String message) throws IOException {
   // filter comment lines
   File file = FileUtil.createTempFile(GIT_COMMIT_MSG_FILE_PREFIX, GIT_COMMIT_MSG_FILE_EXT);
   file.deleteOnExit();
   @NonNls String encoding = GitConfigUtil.getCommitEncoding(myProject, root);
   Writer out = new OutputStreamWriter(new FileOutputStream(file), encoding);
   try {
     out.write(message);
   } finally {
     out.close();
   }
   return file;
 }
  private File getPatchPath(@NonNls final String commitMessage) {
    File file = myFileProcessor.getBaseIODir();
    if (!file.exists()) {
      file.mkdirs();
    }

    return suggestPatchName(
        myProject,
        commitMessage.length() > PatchNameChecker.MAX
            ? (commitMessage.substring(0, PatchNameChecker.MAX))
            : commitMessage,
        file,
        VcsConfiguration.PATCH);
  }
 /**
  * Prepare delete files handler.
  *
  * @param project the project
  * @param root a vcs root
  * @param files a files to commit
  * @param message a message file to use
  * @param nextCommitAuthor a author for the next commit
  * @param nextCommitAmend true, if the commit should be amended
  * @param nextCommitAuthorDate Author date timestamp to override the date of the commit or null if
  *     this overriding is not needed.
  * @return a simple handler that does the task
  * @throws VcsException in case of git problem
  */
 private static void commit(
     Project project,
     VirtualFile root,
     Collection<FilePath> files,
     File message,
     final String nextCommitAuthor,
     boolean nextCommitAmend,
     Date nextCommitAuthorDate)
     throws VcsException {
   boolean amend = nextCommitAmend;
   for (List<String> paths : VcsFileUtil.chunkPaths(root, files)) {
     GitSimpleHandler handler = new GitSimpleHandler(project, root, GitCommand.COMMIT);
     handler.setStdoutSuppressed(false);
     if (amend) {
       handler.addParameters("--amend");
     } else {
       amend = true;
     }
     handler.addParameters("--only", "-F", message.getAbsolutePath());
     if (nextCommitAuthor != null) {
       handler.addParameters("--author=" + nextCommitAuthor);
     }
     if (nextCommitAuthorDate != null) {
       handler.addParameters("--date", COMMIT_DATE_FORMAT.format(nextCommitAuthorDate));
     }
     handler.endOptions();
     handler.addParameters(paths);
     handler.run();
   }
   if (!project.isDisposed()) {
     GitRepositoryManager manager = GitUtil.getRepositoryManager(project);
     manager.updateRepository(root);
   }
 }
  private ShelvedBinaryFile shelveBinaryFile(final Change change) throws IOException {
    final ContentRevision beforeRevision = change.getBeforeRevision();
    final ContentRevision afterRevision = change.getAfterRevision();
    File beforeFile = beforeRevision == null ? null : beforeRevision.getFile().getIOFile();
    File afterFile = afterRevision == null ? null : afterRevision.getFile().getIOFile();
    String shelvedPath = null;
    if (afterFile != null) {
      String shelvedName = FileUtil.getNameWithoutExtension(afterFile.getName());
      String shelvedExt = FileUtil.getExtension(afterFile.getName());
      File shelvedFile =
          FileUtil.findSequentNonexistentFile(
              myFileProcessor.getBaseIODir(), shelvedName, shelvedExt);

      myFileProcessor.saveFile(afterRevision.getFile().getIOFile(), shelvedFile);

      shelvedPath = shelvedFile.getPath();
    }
    String beforePath = ChangesUtil.getProjectRelativePath(myProject, beforeFile);
    String afterPath = ChangesUtil.getProjectRelativePath(myProject, afterFile);
    return new ShelvedBinaryFile(beforePath, afterPath, shelvedPath);
  }
 public static File suggestPatchName(
     Project project, final String commitMessage, final File file, String extension) {
   @NonNls String defaultPath = PathUtil.suggestFileName(commitMessage);
   if (defaultPath.length() == 0) {
     defaultPath = "unnamed";
   }
   if (defaultPath.length() > (PatchNameChecker.MAX - 10)) {
     defaultPath = defaultPath.substring(0, PatchNameChecker.MAX - 10);
   }
   while (true) {
     final File nonexistentFile =
         FileUtil.findSequentNonexistentFile(
             file,
             defaultPath,
             extension == null
                 ? VcsConfiguration.getInstance(project).getPatchFileExtension()
                 : extension);
     if (nonexistentFile.getName().length() >= PatchNameChecker.MAX) {
       defaultPath = defaultPath.substring(0, defaultPath.length() - 1);
       continue;
     }
     return nonexistentFile;
   }
 }
  /**
   * Preform a merge commit
   *
   * @param project a project
   * @param root a vcs root
   * @param added added files
   * @param removed removed files
   * @param messageFile a message file for commit
   * @param author an author
   * @param exceptions the list of exceptions to report
   * @param partialOperation
   * @return true if merge commit was successful
   */
  private static boolean mergeCommit(
      final Project project,
      final VirtualFile root,
      final Set<FilePath> added,
      final Set<FilePath> removed,
      final File messageFile,
      final String author,
      List<VcsException> exceptions,
      @NotNull final PartialOperation partialOperation) {
    HashSet<FilePath> realAdded = new HashSet<FilePath>();
    HashSet<FilePath> realRemoved = new HashSet<FilePath>();
    // perform diff
    GitSimpleHandler diff = new GitSimpleHandler(project, root, GitCommand.DIFF);
    diff.setSilent(true);
    diff.setStdoutSuppressed(true);
    diff.addParameters("--diff-filter=ADMRUX", "--name-status", "HEAD");
    diff.endOptions();
    String output;
    try {
      output = diff.run();
    } catch (VcsException ex) {
      exceptions.add(ex);
      return false;
    }
    String rootPath = root.getPath();
    for (StringTokenizer lines = new StringTokenizer(output, "\n", false);
        lines.hasMoreTokens(); ) {
      String line = lines.nextToken().trim();
      if (line.length() == 0) {
        continue;
      }
      String[] tk = line.split("\t");
      switch (tk[0].charAt(0)) {
        case 'M':
        case 'A':
          realAdded.add(VcsUtil.getFilePath(rootPath + "/" + tk[1]));
          break;
        case 'D':
          realRemoved.add(VcsUtil.getFilePathForDeletedFile(rootPath + "/" + tk[1], false));
          break;
        default:
          throw new IllegalStateException("Unexpected status: " + line);
      }
    }
    realAdded.removeAll(added);
    realRemoved.removeAll(removed);
    if (realAdded.size() != 0 || realRemoved.size() != 0) {

      final List<FilePath> files = new ArrayList<FilePath>();
      files.addAll(realAdded);
      files.addAll(realRemoved);
      final Ref<Boolean> mergeAll = new Ref<Boolean>();
      try {
        GuiUtils.runOrInvokeAndWait(
            new Runnable() {
              public void run() {
                String message =
                    GitBundle.message("commit.partial.merge.message", partialOperation.getName());
                SelectFilePathsDialog dialog =
                    new SelectFilePathsDialog(
                        project,
                        files,
                        message,
                        null,
                        "Commit All Files",
                        CommonBundle.getCancelButtonText(),
                        false);
                dialog.setTitle(GitBundle.getString("commit.partial.merge.title"));
                dialog.show();
                mergeAll.set(dialog.isOK());
              }
            });
      } catch (RuntimeException ex) {
        throw ex;
      } catch (Exception ex) {
        throw new RuntimeException("Unable to invoke a message box on AWT thread", ex);
      }
      if (!mergeAll.get()) {
        return false;
      }
      // update non-indexed files
      if (!updateIndex(project, root, realAdded, realRemoved, exceptions)) {
        return false;
      }
      for (FilePath f : realAdded) {
        VcsDirtyScopeManager.getInstance(project).fileDirty(f);
      }
      for (FilePath f : realRemoved) {
        VcsDirtyScopeManager.getInstance(project).fileDirty(f);
      }
    }
    // perform merge commit
    try {
      GitSimpleHandler handler = new GitSimpleHandler(project, root, GitCommand.COMMIT);
      handler.setStdoutSuppressed(false);
      handler.addParameters("-F", messageFile.getAbsolutePath());
      if (author != null) {
        handler.addParameters("--author=" + author);
      }
      handler.endOptions();
      handler.run();
      GitRepositoryManager manager = GitUtil.getRepositoryManager(project);
      manager.updateRepository(root);
    } catch (VcsException ex) {
      exceptions.add(ex);
      return false;
    }
    return true;
  }
 public List<VcsException> commit(
     @NotNull List<Change> changes,
     @NotNull String message,
     @NotNull NullableFunction<Object, Object> parametersHolder,
     Set<String> feedback) {
   List<VcsException> exceptions = new ArrayList<VcsException>();
   Map<VirtualFile, Collection<Change>> sortedChanges = sortChangesByGitRoot(changes, exceptions);
   log.assertTrue(
       !sortedChanges.isEmpty(), "Trying to commit an empty list of changes: " + changes);
   for (Map.Entry<VirtualFile, Collection<Change>> entry : sortedChanges.entrySet()) {
     final VirtualFile root = entry.getKey();
     try {
       File messageFile = createMessageFile(root, message);
       try {
         final Set<FilePath> added = new HashSet<FilePath>();
         final Set<FilePath> removed = new HashSet<FilePath>();
         for (Change change : entry.getValue()) {
           switch (change.getType()) {
             case NEW:
             case MODIFICATION:
               added.add(change.getAfterRevision().getFile());
               break;
             case DELETED:
               removed.add(change.getBeforeRevision().getFile());
               break;
             case MOVED:
               FilePath afterPath = change.getAfterRevision().getFile();
               FilePath beforePath = change.getBeforeRevision().getFile();
               added.add(afterPath);
               if (!GitFileUtils.shouldIgnoreCaseChange(
                   afterPath.getPath(), beforePath.getPath())) {
                 removed.add(beforePath);
               }
               break;
             default:
               throw new IllegalStateException("Unknown change type: " + change.getType());
           }
         }
         try {
           try {
             Set<FilePath> files = new HashSet<FilePath>();
             files.addAll(added);
             files.addAll(removed);
             commit(
                 myProject,
                 root,
                 files,
                 messageFile,
                 myNextCommitAuthor,
                 myNextCommitAmend,
                 myNextCommitAuthorDate);
           } catch (VcsException ex) {
             PartialOperation partialOperation = isMergeCommit(ex);
             if (partialOperation == PartialOperation.NONE) {
               throw ex;
             }
             if (!mergeCommit(
                 myProject,
                 root,
                 added,
                 removed,
                 messageFile,
                 myNextCommitAuthor,
                 exceptions,
                 partialOperation)) {
               throw ex;
             }
           }
         } finally {
           if (!messageFile.delete()) {
             log.warn("Failed to remove temporary file: " + messageFile);
           }
         }
       } catch (VcsException e) {
         exceptions.add(e);
       }
     } catch (IOException ex) {
       //noinspection ThrowableInstanceNeverThrown
       exceptions.add(new VcsException("Creation of commit message file failed", ex));
     }
   }
   if (myNextCommitIsPushed != null
       && myNextCommitIsPushed.booleanValue()
       && exceptions.isEmpty()) {
     // push
     UIUtil.invokeLaterIfNeeded(
         new Runnable() {
           public void run() {
             GitPusher.showPushDialogAndPerformPush(
                 myProject, ServiceManager.getService(myProject, GitPlatformFacade.class));
           }
         });
   }
   return exceptions;
 }