escape characters in git user name

app/helpers/projects_helper.rb

@@ -320,7 +320,7 @@ module ProjectsHelper
 
   def git_user_name
     if current_user
-      current_user.name
+      current_user.name.gsub('"', '\"')
     else
       _("Your name")
     end

changelogs/unreleased/18308-escape-characters.yml

@@ -0,0 +1,5 @@
+---
+title: Escape quotes in git username
+merge_request: 14020
+author: Brandon Everett
+type: fixed

spec/helpers/projects_helper_spec.rb

@@ -469,4 +469,15 @@ describe ProjectsHelper do
       expect(recorder.count).to eq(1)
     end
   end
+
+  describe '#git_user_name' do
+    let(:user) { double(:user, name: 'John "A" Doe53') }
+    before do
+      allow(helper).to receive(:current_user).and_return(user)
+    end
+
+    it 'parses quotes in name' do
+      expect(helper.send(:git_user_name)).to eq('John \"A\" Doe53')
+    end
+  end
 end