Merge branch '19086-double-newline' into 'master'

Fix Double Spaced CI Log

Closes #19086

See merge request !8349

changelogs/unreleased/19086-double-newline.yml

+---
+title: Fix double spaced CI log
+merge_request: 8349
+author: Jared Deckard <jared.deckard@gmail.com>

lib/ci/ansi2html.rb

@@ -105,7 +105,7 @@ module Ci
             break
           elsif s.scan(/</)
             @out << '&lt;'
-          elsif s.scan(/\n/)
+          elsif s.scan(/\r?\n/)
             @out << '<br>'
           else
             @out << s.scan(/./m)

spec/lib/ci/ansi2html_spec.rb

@@ -136,6 +136,14 @@ describe Ci::Ansi2html, lib: true do
     expect(subject.convert("<")[:html]).to eq('&lt;')
   end
 
+  it "replaces newlines with line break tags" do
+    expect(subject.convert("\n")[:html]).to eq('<br>')
+  end
+
+  it "groups carriage returns with newlines" do
+    expect(subject.convert("\r\n")[:html]).to eq('<br>')
+  end
+
   describe "incremental update" do
     shared_examples 'stateable converter' do
       let(:pass1) { subject.convert(pre_text) }