Example usage for org.eclipse.jgit.lib RefDatabase exactRef

Introduction

In this page you can find the example usage for org.eclipse.jgit.lib RefDatabase exactRef.

Prototype

@NonNull
public Map<String, Ref> exactRef(String... refs) throws IOException 

Source Link

Document

Read the specified references.

Usage

From source file:com.google.gerrit.server.git.ReplaceOp.java

License:Apache License

private Ref findMergedInto(ChangeContext ctx, String first, RevCommit commit) {
    try {/*from   w w  w.  j  a va  2s .c om*/
        RefDatabase refDatabase = ctx.getRepository().getRefDatabase();

        Ref firstRef = refDatabase.exactRef(first);
        if (firstRef != null && isMergedInto(ctx.getRevWalk(), commit, firstRef)) {
            return firstRef;
        }

        for (Ref ref : refDatabase.getRefs(Constants.R_HEADS).values()) {
            if (isMergedInto(ctx.getRevWalk(), commit, ref)) {
                return ref;
            }
        }
        return null;
    } catch (IOException e) {
        log.warn("Can't check for already submitted change", e);
        return null;
    }
}

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From source file:com.google.gerrit.server.project.CreateBranch.java

License:Apache License

private RevWalk verifyConnected(final Repository repo, final ObjectId revid) throws InvalidRevisionException {
    try {//ww w .  j  a  va 2s. c o m
        final ObjectWalk rw = new ObjectWalk(repo);
        try {
            rw.markStart(rw.parseCommit(revid));
        } catch (IncorrectObjectTypeException err) {
            throw new InvalidRevisionException();
        }
        RefDatabase refDb = repo.getRefDatabase();
        Iterable<Ref> refs = Iterables.concat(refDb.getRefs(Constants.R_HEADS).values(),
                refDb.getRefs(Constants.R_TAGS).values());
        Ref rc = refDb.exactRef(RefNames.REFS_CONFIG);
        if (rc != null) {
            refs = Iterables.concat(refs, Collections.singleton(rc));
        }
        for (Ref r : refs) {
            try {
                rw.markUninteresting(rw.parseAny(r.getObjectId()));
            } catch (MissingObjectException err) {
                continue;
            }
        }
        rw.checkConnectivity();
        return rw;
    } catch (IncorrectObjectTypeException | MissingObjectException err) {
        throw new InvalidRevisionException();
    } catch (IOException err) {
        log.error("Repository \"" + repo.getDirectory() + "\" may be corrupt; suggest running git fsck", err);
        throw new InvalidRevisionException();
    }
}

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From source file:com.google.gerrit.server.project.RefUtil.java

License:Apache License

public static RevWalk verifyConnected(Repository repo, ObjectId revid) throws InvalidRevisionException {
    try {/* www.j  av  a  2  s.co m*/
        ObjectWalk rw = new ObjectWalk(repo);
        try {
            rw.markStart(rw.parseCommit(revid));
        } catch (IncorrectObjectTypeException err) {
            throw new InvalidRevisionException();
        }
        RefDatabase refDb = repo.getRefDatabase();
        Iterable<Ref> refs = Iterables.concat(refDb.getRefs(Constants.R_HEADS).values(),
                refDb.getRefs(Constants.R_TAGS).values());
        Ref rc = refDb.exactRef(RefNames.REFS_CONFIG);
        if (rc != null) {
            refs = Iterables.concat(refs, Collections.singleton(rc));
        }
        for (Ref r : refs) {
            try {
                rw.markUninteresting(rw.parseAny(r.getObjectId()));
            } catch (MissingObjectException err) {
                continue;
            }
        }
        rw.checkConnectivity();
        return rw;
    } catch (IncorrectObjectTypeException | MissingObjectException err) {
        throw new InvalidRevisionException();
    } catch (IOException err) {
        log.error("Repository \"" + repo.getDirectory() + "\" may be corrupt; suggest running git fsck", err);
        throw new InvalidRevisionException();
    }
}

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From source file:org.uberfire.java.nio.fs.jgit.util.commands.RefTreeUpdateCommand.java

License:Apache License

private void commit(final Repository repo, final RevCommit original, final BiFunction fun) throws IOException {
    try (final ObjectReader reader = repo.newObjectReader();
            final ObjectInserter inserter = repo.newObjectInserter();
            final RevWalk rw = new RevWalk(reader)) {

        final RefTreeDatabase refdb = (RefTreeDatabase) repo.getRefDatabase();
        final RefDatabase bootstrap = refdb.getBootstrap();
        final RefUpdate refUpdate = bootstrap.newUpdate(refdb.getTxnCommitted(), false);

        final CommitBuilder cb = new CommitBuilder();
        final Ref ref = bootstrap.exactRef(refdb.getTxnCommitted());
        final RefTree tree;
        if (ref != null && ref.getObjectId() != null) {
            tree = RefTree.read(reader, rw.parseTree(ref.getObjectId()));
            cb.setParentId(ref.getObjectId());
            refUpdate.setExpectedOldObjectId(ref.getObjectId());
        } else {/*from  ww  w.j  ava2 s  .  c  o m*/
            tree = RefTree.newEmptyTree();
            refUpdate.setExpectedOldObjectId(ObjectId.zeroId());
        }

        if (fun.apply(reader, tree)) {
            final Ref ref2 = bootstrap.exactRef(refdb.getTxnCommitted());
            if (ref2 == null || ref2.getObjectId().equals(ref != null ? ref.getObjectId() : null)) {
                cb.setTreeId(tree.writeTree(inserter));
                if (original != null) {
                    cb.setAuthor(original.getAuthorIdent());
                    cb.setCommitter(original.getAuthorIdent());
                } else {
                    final PersonIdent personIdent = new PersonIdent("user", "user@example.com");
                    cb.setAuthor(personIdent);
                    cb.setCommitter(personIdent);
                }
                refUpdate.setNewObjectId(inserter.insert(cb));
                inserter.flush();
                final RefUpdate.Result result = refUpdate.update(rw);
                switch (result) {
                case NEW:
                case FAST_FORWARD:
                    break;
                default:
                    throw new RuntimeException(
                            repo.getDirectory() + " -> " + result.toString() + " : " + refUpdate.getName());
                }
                final File commited = new File(repo.getDirectory(), refdb.getTxnCommitted());
                final File accepted = new File(repo.getDirectory(), refdb.getTxnNamespace() + "accepted");
                Files.copy(commited.toPath(), accepted.toPath(), StandardCopyOption.REPLACE_EXISTING);
            }
        }
    }
}

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