/**
* Scan head, index and merge tree. Used during normal checkout or merge operations.
*
* @throws CorruptObjectException
* @throws IOException
*/
public void preScanTwoTrees() throws CorruptObjectException, IOException {
removed.clear();
updated.clear();
conflicts.clear();
walk = new NameConflictTreeWalk(repo);
builder = dc.builder();
addTree(walk, headCommitTree);
addTree(walk, mergeCommitTree);
walk.addTree(new DirCacheBuildIterator(builder));
walk.addTree(workingTree);
while (walk.next()) {
processEntry(
walk.getTree(0, CanonicalTreeParser.class),
walk.getTree(1, CanonicalTreeParser.class),
walk.getTree(2, DirCacheBuildIterator.class),
walk.getTree(3, WorkingTreeIterator.class));
if (walk.isSubtree()) walk.enterSubtree();
}
}
/**
* Scan index and merge tree (no HEAD). Used e.g. for initial checkout when there is no head yet.
*
* @throws MissingObjectException
* @throws IncorrectObjectTypeException
* @throws CorruptObjectException
* @throws IOException
*/
public void prescanOneTree()
throws MissingObjectException, IncorrectObjectTypeException, CorruptObjectException,
IOException {
removed.clear();
updated.clear();
conflicts.clear();
builder = dc.builder();
walk = new NameConflictTreeWalk(repo);
walk.addTree(mergeCommitTree);
walk.addTree(new DirCacheBuildIterator(builder));
walk.addTree(workingTree);
while (walk.next()) {
processEntry(
walk.getTree(0, CanonicalTreeParser.class),
walk.getTree(1, DirCacheBuildIterator.class),
walk.getTree(2, WorkingTreeIterator.class));
if (walk.isSubtree()) walk.enterSubtree();
}
conflicts.removeAll(removed);
}