Example usage for org.eclipse.jgit.treewalk.filter IndexDiffFilter IndexDiffFilter

Introduction

In this page you can find the example usage for org.eclipse.jgit.treewalk.filter IndexDiffFilter IndexDiffFilter.

Prototype

public IndexDiffFilter(int dirCacheIndex, int workingTreeIndex)

Source Link

Document

Creates a new instance of this filter.

Usage

From source file:MyDiffFormatter.java

License:Eclipse Distribution License

private static TreeFilter getDiffTreeFilterFor(AbstractTreeIterator a, AbstractTreeIterator b) {
    if (a instanceof DirCacheIterator && b instanceof WorkingTreeIterator)
        return new IndexDiffFilter(0, 1);

    if (a instanceof WorkingTreeIterator && b instanceof DirCacheIterator)
        return new IndexDiffFilter(1, 0);

    TreeFilter filter = TreeFilter.ANY_DIFF;
    if (a instanceof WorkingTreeIterator)
        filter = AndTreeFilter.create(new NotIgnoredFilter(0), filter);
    if (b instanceof WorkingTreeIterator)
        filter = AndTreeFilter.create(new NotIgnoredFilter(1), filter);
    return filter;
}

From source file:org.eclipse.egit.core.synchronize.WorkingTreeChangeCache.java

License:Open Source License

/**
 * @param repo//  w ww  .j a v a 2 s. c  om
 *            with should be scanned
 * @return list of changes in working tree
 */
public static Map<String, Change> build(Repository repo) {
    TreeWalk tw = new TreeWalk(repo);
    try {
        int fileNth = tw.addTree(new FileTreeIterator(repo));
        int cacheNth = tw.addTree(new DirCacheIterator(repo.readDirCache()));
        tw.setFilter(new IndexDiffFilter(cacheNth, fileNth));
        tw.setRecursive(true);

        Map<String, Change> result = new HashMap<String, Change>();
        MutableObjectId idBuf = new MutableObjectId();
        while (tw.next()) {
            Change change = new Change();
            change.name = tw.getNameString();
            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);
        }
        tw.release();

        return result;
    } catch (IOException e) {
        Activator.error(e.getMessage(), e);
        return new HashMap<String, GitCommitsModelCache.Change>(0);
    }
}

From source file:org.exist.git.xquery.Status.java

License:Open Source License

public void diff(final Repository repository, final String revstr,
        final WorkingTreeIterator initialWorkingTreeIterator, final StatusBuilder builder, final String folder,
        boolean recursive) throws IOException {

    RevTree tree = null;//from w  w  w  .ja  v  a2 s  . c  o m

    ObjectId objectId = repository.resolve(revstr);
    if (objectId != null)
        tree = new RevWalk(repository).parseTree(objectId);
    else
        tree = null;

    PathFilter filter = folder == null || folder.isEmpty() ? null : PathFilter.create(folder);
    IndexDiffFilter indexDiffFilter;

    DirCache dirCache = repository.readDirCache();

    TreeWalk treeWalk = new TreeWalk(repository);
    //      TreeWalk treeWalk = TreeWalk.forPath(repository, folder, tree);
    treeWalk.setRecursive(recursive);
    // add the trees (tree, dirchache, workdir)
    if (tree != null)
        treeWalk.addTree(tree);
    else
        treeWalk.addTree(new EmptyTreeIterator());
    treeWalk.addTree(new DirCacheIterator(dirCache));
    treeWalk.addTree(initialWorkingTreeIterator);
    Collection<TreeFilter> filters = new ArrayList<TreeFilter>(4);

    if (filter != null)
        filters.add(filter);
    filters.add(new SkipWorkTreeFilter(INDEX));
    indexDiffFilter = new IndexDiffFilter(INDEX, WORKDIR);
    filters.add(indexDiffFilter);
    treeWalk.setFilter(AndTreeFilter.create(filters));
    if (filter != null) {
        while (treeWalk.next()) {
            if (filter.include(treeWalk)) {
                if (filter.isDone(treeWalk)) {
                    if (treeWalk.isSubtree()) {
                        treeWalk.enterSubtree();
                    }
                    break;
                } else if (treeWalk.isSubtree()) {
                    treeWalk.enterSubtree();
                }
            }
        }
    }

    while (treeWalk.next()) {
        AbstractTreeIterator treeIterator = treeWalk.getTree(TREE, AbstractTreeIterator.class);
        DirCacheIterator dirCacheIterator = treeWalk.getTree(INDEX, DirCacheIterator.class);
        WorkingTreeIterator workingTreeIterator = treeWalk.getTree(WORKDIR, WorkingTreeIterator.class);

        if (dirCacheIterator != null) {
            final DirCacheEntry dirCacheEntry = dirCacheIterator.getDirCacheEntry();
            if (dirCacheEntry != null && dirCacheEntry.getStage() > 0) {
                builder.conflict(treeWalk.getFileMode(2), treeWalk.getPathString());
                continue;
            }
        }

        if (treeIterator != null) {
            if (dirCacheIterator != null) {
                if (!treeIterator.idEqual(dirCacheIterator)
                        || treeIterator.getEntryRawMode() != dirCacheIterator.getEntryRawMode()) {
                    // in repo, in index, content diff => changed
                    builder.changed(treeWalk.getFileMode(2), treeWalk.getPathString());
                    continue;
                }
            } else {
                // in repo, not in index => removed
                builder.removed(treeWalk.getFileMode(2), treeWalk.getPathString());
                if (workingTreeIterator != null) //XXX: 2 statuses
                    builder.untracked(treeWalk.getFileMode(2), treeWalk.getPathString());
                continue;
            }
        } else {
            if (dirCacheIterator != null) {
                // not in repo, in index => added
                builder.added(treeWalk.getFileMode(2), treeWalk.getPathString());
                continue;
            } else {
                // not in repo, not in index => untracked
                if (workingTreeIterator != null && !workingTreeIterator.isEntryIgnored()) {
                    builder.untracked(treeWalk.getFileMode(2), treeWalk.getPathString());
                    continue;
                }
            }
        }

        if (dirCacheIterator != null) {
            if (workingTreeIterator == null) {
                // in index, not in workdir => missing
                builder.missing(treeWalk.getFileMode(2), treeWalk.getPathString());
                continue;
            } else {
                if (dirCacheIterator.getDirCacheEntry() == null) {
                    //XXX: null on collections - to fix
                    //                  builder.unchanged(treeWalk.getFileMode(2), treeWalk.getPathString());

                } else if (workingTreeIterator.isModified(dirCacheIterator.getDirCacheEntry(), true)) {
                    // in index, in workdir, content differs => modified
                    builder.modified(treeWalk.getFileMode(2), treeWalk.getPathString());
                    continue;
                }
            }
        }
        builder.unchanged(treeWalk.getFileMode(2), treeWalk.getPathString());
    }

    //      for (String path : indexDiffFilter.getUntrackedFolders()) {
    //         builder.untrackedFolders(path);
    //      }
    //      
    for (String path : indexDiffFilter.getIgnoredPaths()) {
        //XXX: to fix FileMode
        builder.ignored(FileMode.REGULAR_FILE, path);
    }
}