Examples with RevTag org.locationtech.geogig.api.RevTag used on opensource projects

Example 16 with RevTag

use of org.locationtech.geogig.api.RevTag in project GeoGig by boundlessgeo.

the class LocalRemoteRepo method walkHead.

protected void walkHead(final ObjectId newHeadId, final boolean fetch, final ProgressListener progress) {
    Repository from = localRepository;
    Repository to = remoteGeoGig.getRepository();
    if (fetch) {
        Repository tmp = to;
        to = from;
        from = tmp;
    }
    final ObjectDatabase fromDb = from.objectDatabase();
    final ObjectDatabase toDb = to.objectDatabase();
    final RevObject object = fromDb.get(newHeadId);
    RevCommit commit = null;
    RevTag tag = null;
    if (object.getType().equals(TYPE.COMMIT)) {
        commit = (RevCommit) object;
    } else if (object.getType().equals(TYPE.TAG)) {
        tag = (RevTag) object;
        commit = fromDb.getCommit(tag.getCommitId());
    }
    if (commit != null) {
        final RevTree newTree = fromDb.getTree(commit.getTreeId());
        List<ObjectId> parentIds = new ArrayList<>(commit.getParentIds());
        if (parentIds.isEmpty()) {
            parentIds.add(ObjectId.NULL);
        }
        RevTree oldTree = RevTree.EMPTY;
        // the diff against each parent is not working. For some reason some buckets that are
        // equal between the two ends of the comparison never get transferred (at some point
        // they shouldn't be equal and so the Consumer notified of it/them). Yet with the target
        // databse exists check for each tree the performance is good enough.
        // for (ObjectId parentId : parentIds) {
        // if (!parentId.isNull()) {
        // RevCommit parent = fromDb.getCommit(parentId);
        // oldTree = fromDb.getTree(parent.getTreeId());
        // }
        copyNewObjects(oldTree, newTree, fromDb, toDb, progress);
        // }
        Preconditions.checkState(toDb.exists(newTree.getId()));
        toDb.put(commit);
    }
    if (tag != null) {
        toDb.put(tag);
    }
}