Examples with EmptyTreeIterator org.eclipse.jgit.treewalk.EmptyTreeIterator used on opensource projects

Example 11 with EmptyTreeIterator

use of org.eclipse.jgit.treewalk.EmptyTreeIterator in project gitblit by gitblit.

the class LuceneService method reindex.

/**
 * This completely indexes the repository and will destroy any existing
 * index.
 *
 * @param repositoryName
 * @param repository
 * @return IndexResult
 */
public IndexResult reindex(RepositoryModel model, Repository repository) {
    IndexResult result = new IndexResult();
    if (!deleteIndex(model.name)) {
        return result;
    }
    try {
        String[] encodings = storedSettings.getStrings(Keys.web.blobEncodings).toArray(new String[0]);
        FileBasedConfig config = getConfig(repository);
        Set<String> indexedCommits = new TreeSet<String>();
        IndexWriter writer = getIndexWriter(model.name);
        // build a quick lookup of tags
        Map<String, List<String>> tags = new HashMap<String, List<String>>();
        for (RefModel tag : JGitUtils.getTags(repository, false, -1)) {
            if (!tag.isAnnotatedTag()) {
                // skip non-annotated tags
                continue;
            }
            if (!tags.containsKey(tag.getReferencedObjectId().getName())) {
                tags.put(tag.getReferencedObjectId().getName(), new ArrayList<String>());
            }
            tags.get(tag.getReferencedObjectId().getName()).add(tag.displayName);
        }
        ObjectReader reader = repository.newObjectReader();
        // get the local branches
        List<RefModel> branches = JGitUtils.getLocalBranches(repository, true, -1);
        // sort them by most recently updated
        Collections.sort(branches, new Comparator<RefModel>() {

            @Override
            public int compare(RefModel ref1, RefModel ref2) {
                return ref2.getDate().compareTo(ref1.getDate());
            }
        });
        // reorder default branch to first position
        RefModel defaultBranch = null;
        ObjectId defaultBranchId = JGitUtils.getDefaultBranch(repository);
        for (RefModel branch : branches) {
            if (branch.getObjectId().equals(defaultBranchId)) {
                defaultBranch = branch;
                break;
            }
        }
        branches.remove(defaultBranch);
        branches.add(0, defaultBranch);
        // walk through each branch
        for (RefModel branch : branches) {
            boolean indexBranch = false;
            if (model.indexedBranches.contains(com.gitblit.Constants.DEFAULT_BRANCH) && branch.equals(defaultBranch)) {
                // indexing "default" branch
                indexBranch = true;
            } else if (branch.getName().startsWith(com.gitblit.Constants.R_META)) {
                // skip internal meta branches
                indexBranch = false;
            } else {
                // normal explicit branch check
                indexBranch = model.indexedBranches.contains(branch.getName());
            }
            // if this branch is not specifically indexed then skip
            if (!indexBranch) {
                continue;
            }
            String branchName = branch.getName();
            RevWalk revWalk = new RevWalk(reader);
            RevCommit tip = revWalk.parseCommit(branch.getObjectId());
            String tipId = tip.getId().getName();
            String keyName = getBranchKey(branchName);
            config.setString(CONF_ALIAS, null, keyName, branchName);
            config.setString(CONF_BRANCH, null, keyName, tipId);
            // index the blob contents of the tree
            TreeWalk treeWalk = new TreeWalk(repository);
            treeWalk.addTree(tip.getTree());
            treeWalk.setRecursive(true);
            Map<String, ObjectId> paths = new TreeMap<String, ObjectId>();
            while (treeWalk.next()) {
                // ensure path is not in a submodule
                if (treeWalk.getFileMode(0) != FileMode.GITLINK) {
                    paths.put(treeWalk.getPathString(), treeWalk.getObjectId(0));
                }
            }
            ByteArrayOutputStream os = new ByteArrayOutputStream();
            byte[] tmp = new byte[32767];
            RevWalk commitWalk = new RevWalk(reader);
            commitWalk.markStart(tip);
            RevCommit commit;
            while ((paths.size() > 0) && (commit = commitWalk.next()) != null) {
                TreeWalk diffWalk = new TreeWalk(reader);
                int parentCount = commit.getParentCount();
                switch(parentCount) {
                    case 0:
                        diffWalk.addTree(new EmptyTreeIterator());
                        break;
                    case 1:
                        diffWalk.addTree(getTree(commitWalk, commit.getParent(0)));
                        break;
                    default:
                        // skip merge commits
                        continue;
                }
                diffWalk.addTree(getTree(commitWalk, commit));
                diffWalk.setFilter(ANY_DIFF);
                diffWalk.setRecursive(true);
                while ((paths.size() > 0) && diffWalk.next()) {
                    String path = diffWalk.getPathString();
                    if (!paths.containsKey(path)) {
                        continue;
                    }
                    // remove path from set
                    ObjectId blobId = paths.remove(path);
                    result.blobCount++;
                    // index the blob metadata
                    String blobAuthor = getAuthor(commit);
                    String blobCommitter = getCommitter(commit);
                    String blobDate = DateTools.timeToString(commit.getCommitTime() * 1000L, Resolution.MINUTE);
                    Document doc = new Document();
                    doc.add(new Field(FIELD_OBJECT_TYPE, SearchObjectType.blob.name(), StringField.TYPE_STORED));
                    doc.add(new Field(FIELD_BRANCH, branchName, TextField.TYPE_STORED));
                    doc.add(new Field(FIELD_COMMIT, commit.getName(), TextField.TYPE_STORED));
                    doc.add(new Field(FIELD_PATH, path, TextField.TYPE_STORED));
                    doc.add(new Field(FIELD_DATE, blobDate, StringField.TYPE_STORED));
                    doc.add(new Field(FIELD_AUTHOR, blobAuthor, TextField.TYPE_STORED));
                    doc.add(new Field(FIELD_COMMITTER, blobCommitter, TextField.TYPE_STORED));
                    // determine extension to compare to the extension
                    // blacklist
                    String ext = null;
                    String name = path.toLowerCase();
                    if (name.indexOf('.') > -1) {
                        ext = name.substring(name.lastIndexOf('.') + 1);
                    }
                    // index the blob content
                    if (StringUtils.isEmpty(ext) || !excludedExtensions.contains(ext)) {
                        ObjectLoader ldr = repository.open(blobId, Constants.OBJ_BLOB);
                        InputStream in = ldr.openStream();
                        int n;
                        while ((n = in.read(tmp)) > 0) {
                            os.write(tmp, 0, n);
                        }
                        in.close();
                        byte[] content = os.toByteArray();
                        String str = StringUtils.decodeString(content, encodings);
                        doc.add(new Field(FIELD_CONTENT, str, TextField.TYPE_STORED));
                        os.reset();
                    }
                    // add the blob to the index
                    writer.addDocument(doc);
                }
            }
            os.close();
            // index the tip commit object
            if (indexedCommits.add(tipId)) {
                Document doc = createDocument(tip, tags.get(tipId));
                doc.add(new Field(FIELD_BRANCH, branchName, TextField.TYPE_STORED));
                writer.addDocument(doc);
                result.commitCount += 1;
                result.branchCount += 1;
            }
            // traverse the log and index the previous commit objects
            RevWalk historyWalk = new RevWalk(reader);
            historyWalk.markStart(historyWalk.parseCommit(tip.getId()));
            RevCommit rev;
            while ((rev = historyWalk.next()) != null) {
                String hash = rev.getId().getName();
                if (indexedCommits.add(hash)) {
                    Document doc = createDocument(rev, tags.get(hash));
                    doc.add(new Field(FIELD_BRANCH, branchName, TextField.TYPE_STORED));
                    writer.addDocument(doc);
                    result.commitCount += 1;
                }
            }
        }
        // finished
        reader.close();
        // commit all changes and reset the searcher
        config.save();
        writer.commit();
        resetIndexSearcher(model.name);
        result.success();
    } catch (Exception e) {
        logger.error("Exception while reindexing " + model.name, e);
    }
    return result;
}

Example 12 with EmptyTreeIterator

use of org.eclipse.jgit.treewalk.EmptyTreeIterator in project che by eclipse.

the class JGitConnection method getCommitDiffFiles.

private List<DiffCommitFile> getCommitDiffFiles(RevCommit revCommit, String pattern) throws IOException {
    List<DiffEntry> diffs;
    TreeFilter filter = null;
    if (!isNullOrEmpty(pattern)) {
        filter = AndTreeFilter.create(PathFilterGroup.createFromStrings(Collections.singleton(pattern)), TreeFilter.ANY_DIFF);
    }
    List<DiffCommitFile> commitFilesList = new ArrayList<>();
    try (TreeWalk tw = new TreeWalk(repository)) {
        tw.setRecursive(true);
        // and to get the list of DiffEntry.
        if (revCommit.getParentCount() > 0) {
            RevCommit parent = parseCommit(revCommit.getParent(0));
            tw.reset(parent.getTree(), revCommit.getTree());
            if (filter != null) {
                tw.setFilter(filter);
            } else {
                tw.setFilter(TreeFilter.ANY_DIFF);
            }
            diffs = DiffEntry.scan(tw);
        } else {
            // list of DiffEntry.
            try (RevWalk rw = new RevWalk(repository);
                DiffFormatter diffFormat = new DiffFormatter(NullOutputStream.INSTANCE)) {
                diffFormat.setRepository(repository);
                if (filter != null) {
                    diffFormat.setPathFilter(filter);
                }
                diffs = diffFormat.scan(new EmptyTreeIterator(), new CanonicalTreeParser(null, rw.getObjectReader(), revCommit.getTree()));
            }
        }
    }
    if (diffs != null) {
        commitFilesList.addAll(diffs.stream().map(diff -> newDto(DiffCommitFile.class).withOldPath(diff.getOldPath()).withNewPath(diff.getNewPath()).withChangeType(diff.getChangeType().name())).collect(Collectors.toList()));
    }
    return commitFilesList;
}

Example 13 with EmptyTreeIterator

use of org.eclipse.jgit.treewalk.EmptyTreeIterator in project egit by eclipse.

the class ThreeWayDiffEntryTest method shouldListOutgoingAddition.

@Test
public void shouldListOutgoingAddition() throws Exception {
    // given
    writeTrashFile("a.txt", "content");
    RevCommit c;
    try (Git git = new Git(db)) {
        git.add().addFilepattern("a.txt").call();
        c = git.commit().setMessage("initial commit").call();
    }
    // when
    try (TreeWalk walk = new TreeWalk(db)) {
        walk.addTree(c.getTree());
        walk.addTree(new EmptyTreeIterator());
        walk.addTree(new EmptyTreeIterator());
        List<ThreeWayDiffEntry> result = ThreeWayDiffEntry.scan(walk);
        // then
        assertThat(result, notNullValue());
        assertThat(Integer.valueOf(result.size()), is(Integer.valueOf(1)));
        ThreeWayDiffEntry entry = result.get(0);
        assertThat(entry.getDirection(), is(Direction.OUTGOING));
        assertThat(entry.getChangeType(), is(ChangeType.ADD));
        assertThat(entry.getPath(), is("a.txt"));
    }
}

Example 14 with EmptyTreeIterator

use of org.eclipse.jgit.treewalk.EmptyTreeIterator in project egit by eclipse.

the class ThreeWayDiffEntryTest method shouldListIncomingDelete.

@Test
public void shouldListIncomingDelete() throws Exception {
    // given
    writeTrashFile("a.txt", "content");
    RevCommit c;
    try (Git git = new Git(db)) {
        git.add().addFilepattern("a.txt").call();
        c = git.commit().setMessage("initial commit").call();
    }
    // when
    try (TreeWalk walk = new TreeWalk(db)) {
        walk.addTree(c.getTree());
        walk.addTree(c.getTree());
        walk.addTree(new EmptyTreeIterator());
        List<ThreeWayDiffEntry> result = ThreeWayDiffEntry.scan(walk);
        // then
        assertThat(result, notNullValue());
        assertThat(Integer.valueOf(result.size()), is(Integer.valueOf(1)));
        ThreeWayDiffEntry entry = result.get(0);
        assertThat(entry.getDirection(), is(Direction.INCOMING));
        assertThat(entry.getChangeType(), is(ChangeType.DELETE));
        assertThat(entry.getPath(), is("a.txt"));
    }
}

Example 15 with EmptyTreeIterator

use of org.eclipse.jgit.treewalk.EmptyTreeIterator in project egit by eclipse.

the class StagedChangeCache method build.

/**
 * @param repo
 *            repository which should be scanned
 * @return list of changes in git staging area
 */
public static Map<String, Change> build(Repository repo) {
    try (TreeWalk tw = new TreeWalk(repo)) {
        tw.addTree(new DirCacheIterator(repo.readDirCache()));
        ObjectId headId = repo.resolve(HEAD);
        RevCommit headCommit = null;
        if (headId != null) {
            try (RevWalk rw = new RevWalk(repo)) {
                headCommit = rw.parseCommit(headId);
            }
        }
        AbbreviatedObjectId commitId;
        if (headCommit != null) {
            tw.addTree(headCommit.getTree());
            commitId = AbbreviatedObjectId.fromObjectId(headCommit);
        } else {
            tw.addTree(new EmptyTreeIterator());
            commitId = AbbreviatedObjectId.fromObjectId(zeroId());
        }
        tw.setRecursive(true);
        headCommit = null;
        MutableObjectId idBuf = new MutableObjectId();
        Map<String, Change> result = new HashMap<String, Change>();
        while (tw.next()) {
            if (!shouldIncludeEntry(tw))
                continue;
            Change change = new Change();
            change.name = tw.getNameString();
            change.remoteCommitId = commitId;
            tw.getObjectId(idBuf, 0);
            change.objectId = AbbreviatedObjectId.fromObjectId(idBuf);
            tw.getObjectId(idBuf, 1);
            change.remoteObjectId = AbbreviatedObjectId.fromObjectId(idBuf);
            calculateAndSetChangeKind(RIGHT, change);
            result.put(tw.getPathString(), change);
        }
        return result;
    } catch (IOException e) {
        Activator.logError(e.getMessage(), e);
        return new HashMap<String, Change>(0);
    }
}