Format the number of commit results according to convention

lib/gitlab/project_search_results.rb

@@ -37,7 +37,7 @@ module Gitlab
       when 'wiki_blobs'
         wiki_blobs_count.to_s
       when 'commits'
-        commits_count.to_s
+        formatted_limited_count(commits_count)
       else
         super
       end
@@ -72,7 +72,7 @@ module Gitlab
     end
 
     def commits_count
-      @commits_count ||= commits.count
+      @commits_count ||= commits(limit: count_limit).count
     end
 
     def single_commit_result?
@@ -145,7 +145,7 @@ module Gitlab
     end
     # rubocop: enable CodeReuse/ActiveRecord
 
-    def commits(limit: count_limit)
+    def commits(limit:)
       @commits ||= find_commits(query, limit: limit)
     end
 

spec/lib/gitlab/project_search_results_spec.rb

@@ -34,7 +34,7 @@ describe Gitlab::ProjectSearchResults do
       'blobs'      | :limited_blobs_count    | max_limited_count
       'notes'      | :limited_notes_count    | max_limited_count
       'wiki_blobs' | :wiki_blobs_count       | '1234'
-      'commits'    | :commits_count          | '1234'
+      'commits'    | :commits_count          | max_limited_count
       'projects'   | :limited_projects_count | max_limited_count
       'unknown'    | nil                     | nil
     end
@@ -386,6 +386,19 @@ describe Gitlab::ProjectSearchResults do
     end
   end
 
+  describe '#commits_count' do
+    let(:project) { create(:project, :public, :repository) }
+
+    it 'limits the number of commits requested' do
+      expect(project.repository)
+        .to receive(:find_commits_by_message)
+        .with(anything, anything, anything, described_class::COUNT_LIMIT)
+        .and_call_original
+
+      described_class.new(user, project, '.').commits_count
+    end
+  end
+
   # Examples for commit access level test
   #
   # params: