Merge branch 'master' into layout-nav-es-modulelayout-nav-es-module

* master: (21 commits)
  Prevent some specs from mangling the gitlab-shell checkout
  Line up search dropdown with other nav dropdowns
  Fix onion-skin re-entering state
  Remove related links in MR widget when empty state
  Show inline edit button for issues
  Fix tags in the Activity tab not being clickable
  Fix shortcut links on help page
  Don't link LFS-objects multiple times.
  [CE->EE] Fix spec/lib/gitlab/git/gitlab_projects_spec.rb
  Tidy up the documentation of Gitlab HA/Gitlab Application
  Make sure two except won't overwrite each other
  Update axios.md
  Remove transitionend event from GL dropdown
  Preserve gem path so that we use the same gems
  Load commit in batches for pipelines#index
  BlobViewer::PackageJson - if private link to homepage
  Do not generate links for private NPM modules in blob view
  Remove block styling from search dropdown
  Fix sidebar height when performance bar enabled
  Remove all dropdown animations and set display: none if they're not open
  ...

1 files changed, 17 insertions, 3 deletions

diff --git a/app/models/commit.rb b/app/models/commit.rb
index 13c31111134..2be07ca7d3c 100644
--- a/app/models/commit.rb
+++ b/app/models/commit.rb
@@ -86,6 +86,20 @@ class Commit
     def valid_hash?(key)
       !!(/\A#{COMMIT_SHA_PATTERN}\z/ =~ key)
     end
+
+    def lazy(project, oid)
+      BatchLoader.for({ project: project, oid: oid }).batch do |items, loader|
+        items_by_project = items.group_by { |i| i[:project] }
+
+        items_by_project.each do |project, commit_ids|
+          oids = commit_ids.map { |i| i[:oid] }
+
+          project.repository.commits_by(oids: oids).each do |commit|
+            loader.call({ project: commit.project, oid: commit.id }, commit) if commit
+          end
+        end
+      end
+    end
   end
 
   attr_accessor :raw
@@ -103,7 +117,7 @@ class Commit
   end
 
   def ==(other)
-    (self.class === other) && (raw == other.raw)
+    other.is_a?(self.class) && raw == other.raw
   end
 
   def self.reference_prefix
@@ -224,8 +238,8 @@ class Commit
     notes.includes(:author)
   end
 
-  def method_missing(m, *args, &block)
-    @raw.__send__(m, *args, &block) # rubocop:disable GitlabSecurity/PublicSend
+  def method_missing(method, *args, &block)
+    @raw.__send__(method, *args, &block) # rubocop:disable GitlabSecurity/PublicSend
   end
 
   def respond_to_missing?(method, include_private = false)