Merge remote-tracking branch 'upstream/master' into 27377-preload-pipeline-entity27377-preload-pipeline-entity

* upstream/master: (2534 commits)
  Update VERSION to 9.3.0-pre
  Update CHANGELOG.md for 9.2.0
  removes unnecessary redundacy in usage ping doc
  Respect the typo as rubocop said
  Add a test to ensure this works on MySQL
  Change pipelines schedules help page path
  change domain to hostname in usage ping doc
  Fixes broken MySQL migration for retried
  Show password field mask while editing service settings
  Add notes for supported schedulers and cloud providers
  Move environment monitoring to environments doc
  Add docs for change of Cache/Artifact restore order"
  Avoid resource intensive login checks if password is not provided
  Change translation for 'coding' by 'desarrollo' for Spanish
  Add to docs: issues multiple assignees
  rename "Add emoji" and "Award emoji" to "Add reaction" where appropriate
  Add project and group notification settings info
  32570 Fix border-bottom for project activity tab
  Add users endpoint to frontend API class
  Rename users on mysql
  ...

1 files changed, 22 insertions, 10 deletions

diff --git a/app/models/commit.rb b/app/models/commit.rb
index e71f1769255..2b8a6fdd4ab 100644
--- a/app/models/commit.rb
+++ b/app/models/commit.rb
@@ -2,6 +2,7 @@ class Commit
   extend ActiveModel::Naming
 
   include ActiveModel::Conversion
+  include Noteable
   include Participable
   include Mentionable
   include Referable
@@ -48,7 +49,7 @@ class Commit
     def max_diff_options
       {
         max_files: DIFF_HARD_LIMIT_FILES,
-        max_lines: DIFF_HARD_LIMIT_LINES,
+        max_lines: DIFF_HARD_LIMIT_LINES
       }
     end
 
@@ -200,6 +201,10 @@ class Commit
     project.notes.for_commit_id(self.id)
   end
 
+  def discussion_notes
+    notes.non_diff_notes
+  end
+
   def notes_with_associations
     notes.includes(:author)
   end
@@ -228,8 +233,8 @@ class Commit
     project.pipelines.where(sha: sha)
   end
 
-  def latest_pipeline
-    pipelines.last
+  def last_pipeline
+    @last_pipeline ||= pipelines.last
   end
 
   def status(ref = nil)
@@ -308,7 +313,7 @@ class Commit
   def uri_type(path)
     entry = @raw.tree.path(path)
     if entry[:type] == :blob
-      blob = ::Blob.decorate(Gitlab::Git::Blob.new(name: entry[:name]))
+      blob = ::Blob.decorate(Gitlab::Git::Blob.new(name: entry[:name]), @project)
       blob.image? || blob.video? ? :raw : :blob
     else
       entry[:type]
@@ -318,16 +323,23 @@ class Commit
   end
 
   def raw_diffs(*args)
-    use_gitaly = Gitlab::GitalyClient.feature_enabled?(:commit_raw_diffs)
-    deltas_only = args.last.is_a?(Hash) && args.last[:deltas_only]
-
-    if use_gitaly && !deltas_only
-      Gitlab::GitalyClient::Commit.diff_from_parent(self, *args)
+    if Gitlab::GitalyClient.feature_enabled?(:commit_raw_diffs)
+      Gitlab::GitalyClient::Commit.new(project.repository).diff_from_parent(self, *args)
     else
       raw.diffs(*args)
     end
   end
 
+  def raw_deltas
+    @deltas ||= Gitlab::GitalyClient.migrate(:commit_deltas) do |is_enabled|
+      if is_enabled
+        Gitlab::GitalyClient::Commit.new(project.repository).commit_deltas(self)
+      else
+        raw.deltas
+      end
+    end
+  end
+
   def diffs(diff_options = nil)
     Gitlab::Diff::FileCollection::Commit.new(self, diff_options: diff_options)
   end
@@ -383,7 +395,7 @@ class Commit
   def repo_changes
     changes = { added: [], modified: [], removed: [] }
 
-    raw_diffs(deltas_only: true).each do |diff|
+    raw_deltas.each do |diff|
       if diff.deleted_file
         changes[:removed] << diff.old_path
       elsif diff.renamed_file || diff.new_file