Examples with DirCache org.eclipse.jgit.dircache.DirCache used on opensource projects

Example 1 with DirCache

use of org.eclipse.jgit.dircache.DirCache in project gitblit by gitblit.

the class RefLogUtils method updateRefLog.

/**
	 * Updates the reflog with the received commands.
	 *
	 * @param user
	 * @param repository
	 * @param commands
	 * @return true, if the update was successful
	 */
public static boolean updateRefLog(UserModel user, Repository repository, Collection<ReceiveCommand> commands) {
    // only track branches and tags
    List<ReceiveCommand> filteredCommands = new ArrayList<ReceiveCommand>();
    for (ReceiveCommand cmd : commands) {
        if (!cmd.getRefName().startsWith(Constants.R_HEADS) && !cmd.getRefName().startsWith(Constants.R_TAGS)) {
            continue;
        }
        filteredCommands.add(cmd);
    }
    if (filteredCommands.isEmpty()) {
        // nothing to log
        return true;
    }
    RefModel reflogBranch = getRefLogBranch(repository);
    if (reflogBranch == null) {
        JGitUtils.createOrphanBranch(repository, GB_REFLOG, null);
    }
    boolean success = false;
    String message = "push";
    try {
        ObjectId headId = repository.resolve(GB_REFLOG + "^{commit}");
        ObjectInserter odi = repository.newObjectInserter();
        try {
            // Create the in-memory index of the reflog log entry
            DirCache index = createIndex(repository, headId, commands);
            ObjectId indexTreeId = index.writeTree(odi);
            PersonIdent ident;
            if (UserModel.ANONYMOUS.equals(user)) {
                // anonymous push
                ident = new PersonIdent(user.username + "/" + user.username, user.username);
            } else {
                // construct real pushing account
                ident = new PersonIdent(MessageFormat.format("{0}/{1}", user.getDisplayName(), user.username), user.emailAddress == null ? user.username : user.emailAddress);
            }
            // Create a commit object
            CommitBuilder commit = new CommitBuilder();
            commit.setAuthor(ident);
            commit.setCommitter(ident);
            commit.setEncoding(Constants.ENCODING);
            commit.setMessage(message);
            commit.setParentId(headId);
            commit.setTreeId(indexTreeId);
            // Insert the commit into the repository
            ObjectId commitId = odi.insert(commit);
            odi.flush();
            RevWalk revWalk = new RevWalk(repository);
            try {
                RevCommit revCommit = revWalk.parseCommit(commitId);
                RefUpdate ru = repository.updateRef(GB_REFLOG);
                ru.setNewObjectId(commitId);
                ru.setExpectedOldObjectId(headId);
                ru.setRefLogMessage("commit: " + revCommit.getShortMessage(), false);
                Result rc = ru.forceUpdate();
                switch(rc) {
                    case NEW:
                    case FORCED:
                    case FAST_FORWARD:
                        success = true;
                        break;
                    case REJECTED:
                    case LOCK_FAILURE:
                        throw new ConcurrentRefUpdateException(JGitText.get().couldNotLockHEAD, ru.getRef(), rc);
                    default:
                        throw new JGitInternalException(MessageFormat.format(JGitText.get().updatingRefFailed, GB_REFLOG, commitId.toString(), rc));
                }
            } finally {
                revWalk.close();
            }
        } finally {
            odi.close();
        }
    } catch (Throwable t) {
        error(t, repository, "Failed to commit reflog entry to {0}");
    }
    return success;
}

Example 2 with DirCache

use of org.eclipse.jgit.dircache.DirCache in project gitblit by gitblit.

the class BranchTicketService method commitChangeImpl.

/**
	 * Commit a ticket change to the repository.
	 *
	 * @param repository
	 * @param ticketId
	 * @param change
	 * @return true, if the change was committed
	 */
@Override
protected synchronized boolean commitChangeImpl(RepositoryModel repository, long ticketId, Change change) {
    boolean success = false;
    Repository db = repositoryManager.getRepository(repository.name);
    try {
        DirCache index = createIndex(db, ticketId, change);
        success = commitIndex(db, index, change.author, "#" + ticketId);
    } catch (Throwable t) {
        log.error(MessageFormat.format("Failed to commit ticket {0,number,0} to {1}", ticketId, db.getDirectory()), t);
    } finally {
        db.close();
    }
    return success;
}

Example 3 with DirCache

use of org.eclipse.jgit.dircache.DirCache in project gitblit by gitblit.

the class BranchTicketService method createIndex.

/**
	 * Creates an in-memory index of the ticket change.
	 *
	 * @param changeId
	 * @param change
	 * @return an in-memory index
	 * @throws IOException
	 */
private DirCache createIndex(Repository db, long ticketId, Change change) throws IOException, ClassNotFoundException, NoSuchFieldException {
    String ticketPath = toTicketPath(ticketId);
    DirCache newIndex = DirCache.newInCore();
    DirCacheBuilder builder = newIndex.builder();
    ObjectInserter inserter = db.newObjectInserter();
    Set<String> ignorePaths = new TreeSet<String>();
    try {
        // create/update the journal
        // exclude the attachment content
        List<Change> changes = getJournal(db, ticketId);
        changes.add(change);
        String journal = TicketSerializer.serializeJournal(changes).trim();
        byte[] journalBytes = journal.getBytes(Constants.ENCODING);
        String journalPath = ticketPath + "/" + JOURNAL;
        final DirCacheEntry journalEntry = new DirCacheEntry(journalPath);
        journalEntry.setLength(journalBytes.length);
        journalEntry.setLastModified(change.date.getTime());
        journalEntry.setFileMode(FileMode.REGULAR_FILE);
        journalEntry.setObjectId(inserter.insert(org.eclipse.jgit.lib.Constants.OBJ_BLOB, journalBytes));
        // add journal to index
        builder.add(journalEntry);
        ignorePaths.add(journalEntry.getPathString());
        // Add any attachments to the index
        if (change.hasAttachments()) {
            for (Attachment attachment : change.attachments) {
                // build a path name for the attachment and mark as ignored
                String path = toAttachmentPath(ticketId, attachment.name);
                ignorePaths.add(path);
                // create an index entry for this attachment
                final DirCacheEntry entry = new DirCacheEntry(path);
                entry.setLength(attachment.content.length);
                entry.setLastModified(change.date.getTime());
                entry.setFileMode(FileMode.REGULAR_FILE);
                // insert object
                entry.setObjectId(inserter.insert(org.eclipse.jgit.lib.Constants.OBJ_BLOB, attachment.content));
                // add to temporary in-core index
                builder.add(entry);
            }
        }
        for (DirCacheEntry entry : JGitUtils.getTreeEntries(db, BRANCH, ignorePaths)) {
            builder.add(entry);
        }
        // finish the index
        builder.finish();
    } finally {
        inserter.close();
    }
    return newIndex;
}

Example 4 with DirCache

use of org.eclipse.jgit.dircache.DirCache in project gitblit by gitblit.

the class NewRepositoryPage method initialCommit.

/**
	 * Prepare the initial commit for the repository.
	 *
	 * @param repository
	 * @param addReadme
	 * @param gitignore
	 * @param addGitFlow
	 * @return true if an initial commit was created
	 */
protected boolean initialCommit(RepositoryModel repository, boolean addReadme, String gitignore, boolean addGitFlow) {
    boolean initialCommit = addReadme || !StringUtils.isEmpty(gitignore) || addGitFlow;
    if (!initialCommit) {
        return false;
    }
    // build an initial commit
    boolean success = false;
    Repository db = app().repositories().getRepository(repositoryModel.name);
    ObjectInserter odi = db.newObjectInserter();
    try {
        UserModel user = GitBlitWebSession.get().getUser();
        String email = Optional.fromNullable(user.emailAddress).or(user.username + "@" + "gitblit");
        PersonIdent author = new PersonIdent(user.getDisplayName(), email);
        DirCache newIndex = DirCache.newInCore();
        DirCacheBuilder indexBuilder = newIndex.builder();
        if (addReadme) {
            // insert a README
            String title = StringUtils.stripDotGit(StringUtils.getLastPathElement(repositoryModel.name));
            String description = repositoryModel.description == null ? "" : repositoryModel.description;
            String readme = String.format("## %s\n\n%s\n\n", title, description);
            byte[] bytes = readme.getBytes(Constants.ENCODING);
            DirCacheEntry entry = new DirCacheEntry("README.md");
            entry.setLength(bytes.length);
            entry.setLastModified(System.currentTimeMillis());
            entry.setFileMode(FileMode.REGULAR_FILE);
            entry.setObjectId(odi.insert(org.eclipse.jgit.lib.Constants.OBJ_BLOB, bytes));
            indexBuilder.add(entry);
        }
        if (!StringUtils.isEmpty(gitignore)) {
            // insert a .gitignore file
            File dir = app().runtime().getFileOrFolder(Keys.git.gitignoreFolder, "${baseFolder}/gitignore");
            File file = new File(dir, gitignore + ".gitignore");
            if (file.exists() && file.length() > 0) {
                byte[] bytes = FileUtils.readContent(file);
                if (!ArrayUtils.isEmpty(bytes)) {
                    DirCacheEntry entry = new DirCacheEntry(".gitignore");
                    entry.setLength(bytes.length);
                    entry.setLastModified(System.currentTimeMillis());
                    entry.setFileMode(FileMode.REGULAR_FILE);
                    entry.setObjectId(odi.insert(org.eclipse.jgit.lib.Constants.OBJ_BLOB, bytes));
                    indexBuilder.add(entry);
                }
            }
        }
        if (addGitFlow) {
            // insert a .gitflow file
            Config config = new Config();
            config.setString("gitflow", null, "masterBranch", Constants.MASTER);
            config.setString("gitflow", null, "developBranch", Constants.DEVELOP);
            config.setString("gitflow", null, "featureBranchPrefix", "feature/");
            config.setString("gitflow", null, "releaseBranchPrefix", "release/");
            config.setString("gitflow", null, "hotfixBranchPrefix", "hotfix/");
            config.setString("gitflow", null, "supportBranchPrefix", "support/");
            config.setString("gitflow", null, "versionTagPrefix", "");
            byte[] bytes = config.toText().getBytes(Constants.ENCODING);
            DirCacheEntry entry = new DirCacheEntry(".gitflow");
            entry.setLength(bytes.length);
            entry.setLastModified(System.currentTimeMillis());
            entry.setFileMode(FileMode.REGULAR_FILE);
            entry.setObjectId(odi.insert(org.eclipse.jgit.lib.Constants.OBJ_BLOB, bytes));
            indexBuilder.add(entry);
        }
        indexBuilder.finish();
        if (newIndex.getEntryCount() == 0) {
            // nothing to commit
            return false;
        }
        ObjectId treeId = newIndex.writeTree(odi);
        // Create a commit object
        CommitBuilder commit = new CommitBuilder();
        commit.setAuthor(author);
        commit.setCommitter(author);
        commit.setEncoding(Constants.ENCODING);
        commit.setMessage("Initial commit");
        commit.setTreeId(treeId);
        // Insert the commit into the repository
        ObjectId commitId = odi.insert(commit);
        odi.flush();
        // set the branch refs
        RevWalk revWalk = new RevWalk(db);
        try {
            // set the master branch
            RevCommit revCommit = revWalk.parseCommit(commitId);
            RefUpdate masterRef = db.updateRef(Constants.R_MASTER);
            masterRef.setNewObjectId(commitId);
            masterRef.setRefLogMessage("commit: " + revCommit.getShortMessage(), false);
            Result masterRC = masterRef.update();
            switch(masterRC) {
                case NEW:
                    success = true;
                    break;
                default:
                    success = false;
            }
            if (addGitFlow) {
                // set the develop branch for git-flow
                RefUpdate developRef = db.updateRef(Constants.R_DEVELOP);
                developRef.setNewObjectId(commitId);
                developRef.setRefLogMessage("commit: " + revCommit.getShortMessage(), false);
                Result developRC = developRef.update();
                switch(developRC) {
                    case NEW:
                        success = true;
                        break;
                    default:
                        success = false;
                }
            }
        } finally {
            revWalk.close();
        }
    } catch (UnsupportedEncodingException e) {
        logger().error(null, e);
    } catch (IOException e) {
        logger().error(null, e);
    } finally {
        odi.close();
        db.close();
    }
    return success;
}

Example 5 with DirCache

use of org.eclipse.jgit.dircache.DirCache in project gerrit by GerritCodeReview.

the class SubmoduleOp method readTree.

private static DirCache readTree(RevWalk rw, ObjectId base) throws IOException {
    final DirCache dc = DirCache.newInCore();
    final DirCacheBuilder b = dc.builder();
    b.addTree(// no prefix path
    new byte[0], // standard stage
    DirCacheEntry.STAGE_0, rw.getObjectReader(), rw.parseTree(base));
    b.finish();
    return dc;
}