3 files changed, 36 insertions, 13 deletions
diff --git a/lib/gitlab/email/html_parser.rb b/lib/gitlab/email/html_parser.rb
index a4ca62bfc41..50559a48973 100644
--- a/lib/gitlab/email/html_parser.rb
+++ b/lib/gitlab/email/html_parser.rb
@@ -17,6 +17,13 @@ module Gitlab
       def filter_replies!
         document.xpath('//blockquote').each(&:remove)
         document.xpath('//table').each(&:remove)
+
+        # bogus links with no href are sometimes added by outlook,
+        # and can result in Html2Text adding extra square brackets
+        # to the text, so we unwrap them here.
+        document.xpath('//a[not(@href)]').each do |link|
+          link.replace(link.children)
+        end
       end
 
       def filtered_html
diff --git a/lib/gitlab/metrics/prometheus.rb b/lib/gitlab/metrics/prometheus.rb
index 60686509332..9d314a56e58 100644
--- a/lib/gitlab/metrics/prometheus.rb
+++ b/lib/gitlab/metrics/prometheus.rb
@@ -5,8 +5,16 @@ module Gitlab
     module Prometheus
       include Gitlab::CurrentSettings
 
+      def metrics_folder_present?
+        ENV.has_key?('prometheus_multiproc_dir') &&
+          ::Dir.exist?(ENV['prometheus_multiproc_dir']) &&
+          ::File.writable?(ENV['prometheus_multiproc_dir'])
+      end
+
       def prometheus_metrics_enabled?
-        @prometheus_metrics_enabled ||= current_application_settings[:prometheus_metrics_enabled] || false
+        return @prometheus_metrics_enabled if defined?(@prometheus_metrics_enabled)
+
+        @prometheus_metrics_enabled = prometheus_metrics_enabled_unmemoized
       end
 
       def registry
@@ -36,6 +44,12 @@ module Gitlab
           NullMetric.new
         end
       end
+
+      private
+
+      def prometheus_metrics_enabled_unmemoized
+        metrics_folder_present? && current_application_settings[:prometheus_metrics_enabled] || false
+      end
     end
   end
 end
diff --git a/lib/gitlab/visibility_level.rb b/lib/gitlab/visibility_level.rb
index 2b53798e70f..36e5b5041a6 100644
--- a/lib/gitlab/visibility_level.rb
+++ b/lib/gitlab/visibility_level.rb
@@ -13,18 +13,8 @@ module Gitlab
       scope :public_and_internal_only,  -> { where(visibility_level: [PUBLIC, INTERNAL] ) }
       scope :non_public_only,           -> { where.not(visibility_level: PUBLIC) }
 
-      scope :public_to_user, -> (user) do
-        if user
-          if user.admin?
-            all
-          elsif !user.external?
-            public_and_internal_only
-          else
-            public_only
-          end
-        else
-          public_only
-        end
+      scope :public_to_user, -> (user = nil) do
+        where(visibility_level: VisibilityLevel.levels_for_user(user))
       end
     end
 
@@ -35,6 +25,18 @@ module Gitlab
     class << self
       delegate :values, to: :options
 
+      def levels_for_user(user = nil)
+        return [PUBLIC] unless user
+
+        if user.admin?
+          [PRIVATE, INTERNAL, PUBLIC]
+        elsif user.external?
+          [PUBLIC]
+        else
+          [INTERNAL, PUBLIC]
+        end
+      end
+
       def string_values
         string_options.keys
       end