/**
* List the directory and create {@code SkyKey}s to request contents of its children recursively.
*
* <p>The returned keys are of type {@link SkyFunctions#RECURSIVE_FILESYSTEM_TRAVERSAL}.
*/
private static Collection<SkyKey> createRecursiveTraversalKeys(
Environment env, TraversalRequest traversal) throws MissingDepException {
// Use the traversal's path, even if it's a symlink. The contents of the directory, as listed
// in the result, must be relative to it.
DirectoryListingValue dirListing =
(DirectoryListingValue)
getDependentSkyValue(env, DirectoryListingValue.key(traversal.path));
List<SkyKey> result = new ArrayList<>();
for (Dirent dirent : dirListing.getDirents()) {
RootedPath childPath =
RootedPath.toRootedPath(
traversal.path.getRoot(),
traversal.path.getRelativePath().getRelative(dirent.getName()));
TraversalRequest childTraversal = traversal.forChildEntry(childPath);
result.add(RecursiveFilesystemTraversalValue.key(childTraversal));
}
return result;
}
