@Override
public <S> List<S> filterUniqueRoots(
final List<S> in, final Convertor<S, VirtualFile> convertor) {
Collections.sort(
in, new ComparatorDelegate<S, VirtualFile>(convertor, FilePathComparator.getInstance()));
for (int i = 1; i < in.size(); i++) {
final S sChild = in.get(i);
final VirtualFile child = convertor.convert(sChild);
final VirtualFile childRoot = GitUtil.gitRootOrNull(child);
if (childRoot == null) {
// non-git file actually, skip it
continue;
}
for (int j = i - 1; j >= 0; --j) {
final S sParent = in.get(j);
final VirtualFile parent = convertor.convert(sParent);
// the method check both that parent is an ancestor of the child and that they share common
// git root
if (VfsUtilCore.isAncestor(parent, child, false)
&& VfsUtilCore.isAncestor(childRoot, parent, false)) {
in.remove(i);
//noinspection AssignmentToForLoopParameter
--i;
break;
}
}
}
return in;
}
@Override
public boolean isVersionedDirectory(VirtualFile dir) {
return dir.isDirectory() && GitUtil.gitRootOrNull(dir) != null;
}