Hello

The Information page shows some useful data about the current environment. But one important information is missing: the app server.
So here is a patch which adds this information to the list.

Thank you

diff --git a/app/controllers/admin_controller.rb b/app/controllers/admin_controller.rb
--- a/app/controllers/admin_controller.rb
+++ b/app/controllers/admin_controller.rb
@@ -77,5 +77,6 @@ class AdminController < ApplicationController
       [:text_rmagick_available,        Object.const_defined?(:Magick)],
       [:text_convert_available,        Redmine::Thumbnail.convert_available?]
     ]
+    @request = request
   end
 end


diff --git a/app/views/admin/info.html.erb b/app/views/admin/info.html.erb
--- a/app/views/admin/info.html.erb
+++ b/app/views/admin/info.html.erb
@@ -12,7 +12,7 @@
 
 

 

-
<%= Redmine::Info.environment %>

+
<%= Redmine::Info.environment(@request) %>


 


<% html_title(l(:label_information_plural)) -%>

diff --git a/lib/redmine/info.rb b/lib/redmine/info.rb

--- a/lib/redmine/info.rb

+++ b/lib/redmine/info.rb

@@ -6,17 +6,17 @@ module Redmine

       def help_url; 'https://www.redmine.org/guide' end

       def versioned_name; "#{app_name} #{Redmine::VERSION}" end


     def environment
     def environment(request = nil)
     s = "Environment:\n"
       s << [
         ["Redmine version", Redmine::VERSION],
         ["Ruby version", "#{RUBY_VERSION}-p#{RUBY_PATCHLEVEL} (#{RUBY_RELEASE_DATE}) [#{RUBY_PLATFORM}]"],
         ["Rails version", Rails::VERSION::STRING],
         ["Environment", Rails.env],
         ["Database adapter", ActiveRecord::Base.connection.adapter_name],
         ["Mailer queue", ActionMailer::DeliveryJob.queue_adapter.class.name],
         ["Mailer delivery", ActionMailer::Base.delivery_method]
       ].map {|info| "  %-30s %s" % info}.join("\n") + "\n"
       environment_data = [["Redmine version", Redmine::VERSION],
                          ["Ruby version", "#{RUBY_VERSION}-p#{RUBY_PATCHLEVEL} (#{RUBY_RELEASE_DATE}) [#{RUBY_PLATFORM}]"],
                          ["Rails version", Rails::VERSION::STRING],
                          ["Environment", Rails.env],
                          ["Database adapter", ActiveRecord::Base.connection.adapter_name],
                          ["Mailer queue", ActionMailer::DeliveryJob.queue_adapter.class.name],
                          ["Mailer delivery", ActionMailer::Base.delivery_method]]
       environment_data << ["App server", request.get_header("SERVER_SOFTWARE")] if request.present?
   s << environment_data.map {|info| "  %-30s %s" % info}.join("\n") + "\n"

 s << "SCM:\n"
 Redmine::Scm::Base.all.each do |scm|