1 files changed, 36 insertions, 0 deletions
diff --git a/app/finders/lfs_pointers_finder.rb b/app/finders/lfs_pointers_finder.rb
new file mode 100644
index 00000000000..7e621002f1e
--- /dev/null
+++ b/app/finders/lfs_pointers_finder.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+class LfsPointersFinder
+  def initialize(repository, path)
+    @repository = repository
+    @path = path
+  end
+
+  def execute
+    return [] unless ref
+
+    blob_ids = tree.blobs.map(&:id)
+
+    # When current endpoint is a Blob then `tree.blobs` will be empty, it means we need to analyze
+    # the current Blob in order to determine if it's a LFS object
+    blob_ids = Array.wrap(current_blob&.id) if blob_ids.empty?
+
+    Gitlab::Git::Blob.batch_lfs_pointers(repository, blob_ids).map(&:id)
+  end
+
+  private
+
+  attr_reader :repository, :path
+
+  def ref
+    repository.root_ref
+  end
+
+  def tree
+    repository.tree(ref, path)
+  end
+
+  def current_blob
+    repository.blob_at(ref, path)
+  end
+end