Fix merge requests not showing any diff files for big patches

GITALY_SERVER_VERSION

-0.117.1
+0.117.2

Gemfile

@@ -423,7 +423,7 @@ group :ed25519 do
 end
 
 # Gitaly GRPC client
-gem 'gitaly-proto', '~> 0.112.0', require: 'gitaly'
+gem 'gitaly-proto', '~> 0.113.0', require: 'gitaly'
 gem 'grpc', '~> 1.11.0'
 
 # Locked until https://github.com/google/protobuf/issues/4210 is closed

Gemfile.lock

@@ -284,7 +284,7 @@ GEM
       gettext_i18n_rails (>= 0.7.1)
       po_to_json (>= 1.0.0)
       rails (>= 3.2.0)
-    gitaly-proto (0.112.0)
+    gitaly-proto (0.113.0)
       google-protobuf (~> 3.1)
       grpc (~> 1.10)
     github-linguist (5.3.3)
@@ -1045,7 +1045,7 @@ DEPENDENCIES
   gettext (~> 3.2.2)
   gettext_i18n_rails (~> 1.8.0)
   gettext_i18n_rails_js (~> 1.3)
-  gitaly-proto (~> 0.112.0)
+  gitaly-proto (~> 0.113.0)
   github-linguist (~> 5.3.3)
   gitlab-flowdock-git-hook (~> 1.0.1)
   gitlab-gollum-lib (~> 4.2)

Gemfile.rails5.lock

@@ -287,7 +287,7 @@ GEM
       gettext_i18n_rails (>= 0.7.1)
       po_to_json (>= 1.0.0)
       rails (>= 3.2.0)
-    gitaly-proto (0.112.0)
+    gitaly-proto (0.113.0)
       google-protobuf (~> 3.1)
       grpc (~> 1.10)
     github-linguist (5.3.3)
@@ -1057,7 +1057,7 @@ DEPENDENCIES
   gettext (~> 3.2.2)
   gettext_i18n_rails (~> 1.8.0)
   gettext_i18n_rails_js (~> 1.3)
-  gitaly-proto (~> 0.112.0)
+  gitaly-proto (~> 0.113.0)
   github-linguist (~> 5.3.3)
   gitlab-flowdock-git-hook (~> 1.0.1)
   gitlab-gollum-lib (~> 4.2)
@@ -1216,4 +1216,4 @@ DEPENDENCIES
   wikicloth (= 0.8.1)
 
 BUNDLED WITH
-   1.16.2
+   1.16.3

changelogs/unreleased/49907-commits-and-merge-requests-does-not-list-all-files-when-one-file-exceeds-size-limits.yml

+---
+title: Fix merge requests not showing any diff files for big patches
+merge_request: 21125
+author:
+type: fixed

lib/gitlab/git/diff.rb

@@ -226,6 +226,7 @@ module Gitlab
         @new_file = diff.from_id == BLANK_SHA
         @renamed_file = diff.from_path != diff.to_path
         @deleted_file = diff.to_id == BLANK_SHA
+        @too_large = diff.too_large if diff.respond_to?(:too_large)
 
         collapse! if diff.respond_to?(:collapsed) && diff.collapsed
       end

lib/gitlab/gitaly_client/diff.rb

 module Gitlab
   module GitalyClient
     class Diff
-      ATTRS = %i(from_path to_path old_mode new_mode from_id to_id patch overflow_marker collapsed).freeze
+      ATTRS = %i(from_path to_path old_mode new_mode from_id to_id patch overflow_marker collapsed too_large).freeze
 
       include AttributesBag
     end

spec/lib/gitlab/gitaly_client/diff_spec.rb

@@ -9,7 +9,9 @@ describe Gitlab::GitalyClient::Diff do
       new_mode: 0100644,
       from_id: '357406f3075a57708d0163752905cc1576fceacc',
       to_id: '8e5177d718c561d36efde08bad36b43687ee6bf0',
-      patch: 'a' * 100
+      patch: 'a' * 100,
+      collapsed: false,
+      too_large: false
     }
   end
 
@@ -22,6 +24,8 @@ describe Gitlab::GitalyClient::Diff do
   it { is_expected.to respond_to(:from_id) }
   it { is_expected.to respond_to(:to_id) }
   it { is_expected.to respond_to(:patch) }
+  it { is_expected.to respond_to(:collapsed) }
+  it { is_expected.to respond_to(:too_large) }
 
   describe '#==' do
     it { expect(subject).to eq(described_class.new(diff_fields)) }