Examples with RevTree org.eclipse.jgit.revwalk.RevTree used on opensource projects

Example 31 with RevTree

use of org.eclipse.jgit.revwalk.RevTree in project gerrit by GerritCodeReview.

the class ChangeEditModifier method rebase.

private void rebase(Repository repository, ChangeEdit changeEdit, PatchSet currentPatchSet) throws IOException, MergeConflictException, InvalidChangeOperationException, OrmException {
    RevCommit currentEditCommit = changeEdit.getEditCommit();
    if (currentEditCommit.getParentCount() == 0) {
        throw new InvalidChangeOperationException("Rebase change edit against root commit not supported");
    }
    Change change = changeEdit.getChange();
    RevCommit basePatchSetCommit = lookupCommit(repository, currentPatchSet);
    RevTree basePatchSetTree = basePatchSetCommit.getTree();
    ObjectId newTreeId = merge(repository, changeEdit, basePatchSetTree);
    Timestamp nowTimestamp = TimeUtil.nowTs();
    String commitMessage = currentEditCommit.getFullMessage();
    ObjectId newEditCommitId = createCommit(repository, basePatchSetCommit, newTreeId, commitMessage, nowTimestamp);
    String newEditRefName = getEditRefName(change, currentPatchSet);
    updateReferenceWithNameChange(repository, changeEdit.getRefName(), currentEditCommit, newEditRefName, newEditCommitId, nowTimestamp);
    reindex(change);
}

Example 32 with RevTree

use of org.eclipse.jgit.revwalk.RevTree in project gitiles by GerritCodeReview.

the class TimeCacheTest method taggedTreeAndBlobTime.

@Test
public void taggedTreeAndBlobTime() throws Exception {
    RevBlob blob = repo.blob("contents");
    RevTree tree = repo.tree(repo.file("foo", blob));
    repo.tick(1);
    RevTag blobTag = repo.tag("blob", blob);
    repo.tick(1);
    RevTag treeTag = repo.tag("tree", tree);
    assertThat(getTime(blobTag)).isEqualTo(start + 1);
    assertThat(getTime(treeTag)).isEqualTo(start + 2);
}

Example 33 with RevTree

use of org.eclipse.jgit.revwalk.RevTree in project gitiles by GerritCodeReview.

the class TimeCacheTest method treeAndBlobTime.

@Test
public void treeAndBlobTime() throws Exception {
    RevBlob blob = repo.blob("contents");
    RevTree tree = repo.tree(repo.file("foo", blob));
    assertThat(getTime(blob)).isEqualTo(Long.MIN_VALUE);
    assertThat(getTime(tree)).isEqualTo(Long.MIN_VALUE);
}

Example 34 with RevTree

use of org.eclipse.jgit.revwalk.RevTree in project indy by Commonjava.

the class GitManager method verifyChangesExist.

private boolean verifyChangesExist(final Collection<String> paths) throws GitSubsystemException {
    return lockAnd(me -> {
        try {
            final DiffFormatter formatter = new DiffFormatter(System.out);
            formatter.setRepository(repo);
            final ObjectId oid = repo.resolve(Constants.HEAD);
            if (oid == null) {
                return true;
            }
            final RevWalk walk = new RevWalk(repo);
            final RevCommit commit = walk.parseCommit(oid);
            final RevTree treeWalk = walk.parseTree(commit);
            final List<TreeFilter> filters = new ArrayList<>();
            for (final String path : paths) {
                filters.add(PathFilter.create(path));
            }
            filters.add(TreeFilter.ANY_DIFF);
            walk.setTreeFilter(AndTreeFilter.create(filters));
            final CanonicalTreeParser tree = new CanonicalTreeParser();
            final ObjectReader oldReader = repo.newObjectReader();
            try {
                tree.reset(oldReader, treeWalk.getId());
            } finally {
                oldReader.release();
            }
            walk.dispose();
            final FileTreeIterator files = new FileTreeIterator(repo);
            final List<DiffEntry> entries = formatter.scan(tree, files);
            return entries != null && !entries.isEmpty();
        } catch (final IOException e) {
            throw new GitSubsystemException("Failed to scan for actual changes among: %s. Reason: %s", e, paths, e.getMessage());
        }
    });
}

Example 35 with RevTree

use of org.eclipse.jgit.revwalk.RevTree in project searchcode-server by boyter.

the class GitService method fetchFileRevision.

/**
     * Given a repository location, revision and file path will retrieve that files contents. N.B. it returns the whole
     * file so you MAY end up running into serious memory issues, and should be aware of this
     */
public String fetchFileRevision(String repoLocation, String revision, String filePath) throws MissingObjectException, IncorrectObjectTypeException, IOException {
    Repository localRepository = new FileRepository(new File(repoLocation));
    ObjectId id = localRepository.resolve(revision);
    ObjectReader reader = localRepository.newObjectReader();
    try {
        RevWalk walk = new RevWalk(reader);
        RevCommit commit = walk.parseCommit(id);
        RevTree tree = commit.getTree();
        TreeWalk treewalk = TreeWalk.forPath(reader, filePath, tree);
        if (treewalk != null) {
            byte[] data = reader.open(treewalk.getObjectId(0)).getBytes();
            return new String(data, "utf-8");
        } else {
            return "";
        }
    } finally {
        reader.close();
    }
}