diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0886bf31e866b56fc6378bd36da82d8264dc0fcf..2cc4011bfcc2e7aae5f14c7c8e92f8efc9453ab3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 UNRELEASED
 
+- Update vendored gitlab_git to 33cea50976
+  https://gitlab.com/gitlab-org/gitaly/merge_requests/518
 - Update vendored gitlab_git to bce886b776a
   https://gitlab.com/gitlab-org/gitaly/merge_requests/515
 - Update vendored gitlab_git to 6eeb69fc9a2
diff --git a/ruby/vendor/gitlab_git/REVISION b/ruby/vendor/gitlab_git/REVISION
index 905913735fba60ac1d345b17f5a13bdf0f701079..3a7af839d5572e8cd41ac2cd3cf4a162e54fbb78 100644
--- a/ruby/vendor/gitlab_git/REVISION
+++ b/ruby/vendor/gitlab_git/REVISION
@@ -1 +1 @@
-bce886b776ad9dd95846f71a67199ad4fe9b7ead
+33cea50976a6a066641b696527dc2d9e980183fb
diff --git a/ruby/vendor/gitlab_git/lib/gitlab/git/blob.rb b/ruby/vendor/gitlab_git/lib/gitlab/git/blob.rb
index a1755143abed91abfaf9bff179642efc96002766..031fccba92bdbb5f5c370c6d4bb7cbbb9a69c329 100644
--- a/ruby/vendor/gitlab_git/lib/gitlab/git/blob.rb
+++ b/ruby/vendor/gitlab_git/lib/gitlab/git/blob.rb
@@ -173,8 +173,8 @@ module Gitlab
         end
 
         def find_by_rugged(repository, sha, path, limit:)
-          commit = repository.lookup(sha)
-          root_tree = commit.tree
+          rugged_commit = repository.lookup(sha)
+          root_tree = rugged_commit.tree
 
           blob_entry = find_entry_by_path(repository, root_tree.oid, path)
 
diff --git a/ruby/vendor/gitlab_git/lib/gitlab/git/commit.rb b/ruby/vendor/gitlab_git/lib/gitlab/git/commit.rb
index 145721dea768ff528a52b66a96b2c5d03eae21d3..016437b24191aaa40445f44a7cc9b786aa12f80c 100644
--- a/ruby/vendor/gitlab_git/lib/gitlab/git/commit.rb
+++ b/ruby/vendor/gitlab_git/lib/gitlab/git/commit.rb
@@ -15,8 +15,6 @@ module Gitlab
 
       attr_accessor *SERIALIZE_KEYS # rubocop:disable Lint/AmbiguousOperator
 
-      delegate :tree, to: :rugged_commit
-
       def ==(other)
         return false unless other.is_a?(Gitlab::Git::Commit)
 
@@ -452,6 +450,11 @@ module Gitlab
         )
       end
 
+      # Is this the same as Blob.find_entry_by_path ?
+      def rugged_tree_entry(path)
+        rugged_commit.tree.path(path)
+      end
+
       private
 
       def init_from_hash(hash)
diff --git a/ruby/vendor/gitlab_git/lib/gitlab/git/repository.rb b/ruby/vendor/gitlab_git/lib/gitlab/git/repository.rb
index 84105501d1e371a193a9878be5de80c2d83df9cf..283134e043e10d7b7fe75632ee952d25724eaa81 100644
--- a/ruby/vendor/gitlab_git/lib/gitlab/git/repository.rb
+++ b/ruby/vendor/gitlab_git/lib/gitlab/git/repository.rb
@@ -1163,23 +1163,13 @@ module Gitlab
       end
 
       def fetch_repository_as_mirror(repository)
-        remote_name = "tmp-#{SecureRandom.hex}"
-
-        # Notice that this feature flag is not for `fetch_repository_as_mirror`
-        # as a whole but for the fetching mechanism (file path or gitaly-ssh).
-        url, env = gitaly_migrate(:fetch_internal) do |is_enabled|
+        gitaly_migrate(:remote_fetch_internal_remote) do |is_enabled|
           if is_enabled
-            repository = RemoteRepository.new(repository) unless repository.is_a?(RemoteRepository)
-            [GITALY_INTERNAL_URL, repository.fetch_env]
+            gitaly_remote_client.fetch_internal_remote(repository)
           else
-            [repository.path, nil]
+            rugged_fetch_repository_as_mirror(repository)
           end
         end
-
-        add_remote(remote_name, url, mirror_refmap: :all_refs)
-        fetch_remote(remote_name, env: env)
-      ensure
-        remove_remote(remote_name)
       end
 
       def blob_at(sha, path)
@@ -1187,7 +1177,7 @@ module Gitlab
       end
 
       # Items should be of format [[commit_id, path], [commit_id1, path1]]
-      def batch_blobs(items, blob_size_limit: nil)
+      def batch_blobs(items, blob_size_limit: Gitlab::Git::Blob::MAX_DATA_DISPLAY_SIZE)
         Gitlab::Git::Blob.batch(self, items, blob_size_limit: blob_size_limit)
       end
 
@@ -2070,6 +2060,16 @@ module Gitlab
         false
       end
 
+      def rugged_fetch_repository_as_mirror(repository)
+        remote_name = "tmp-#{SecureRandom.hex}"
+        repository = RemoteRepository.new(repository) unless repository.is_a?(RemoteRepository)
+
+        add_remote(remote_name, GITALY_INTERNAL_URL, mirror_refmap: :all_refs)
+        fetch_remote(remote_name, env: repository.fetch_env)
+      ensure
+        remove_remote(remote_name)
+      end
+
       def fetch_remote(remote_name = 'origin', env: nil)
         run_git(['fetch', remote_name], env: env).last.zero?
       end