X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/141df02e671d7c559f6d813bde1d792a159f1875..31edc7dff6f4305366d0f93d35ba3fb1956bb71f:/config/initializers/config.rb

diff --git a/config/initializers/config.rb b/config/initializers/config.rb
index 80997e0dc..f7d5d7924 100644
--- a/config/initializers/config.rb
+++ b/config/initializers/config.rb
@@ -1,3 +1,20 @@
+# Guard against deployments with old-style application.yml configurations
+# Otherwise, admins might not be aware that they are now silently ignored
+# and major problems could occur
+# rubocop:disable Rails/Output, Rails/Exit
+if File.exist?(Rails.root.join("config", "application.yml"))
+  puts "The config/application.yml file is no longer supported."
+  puts ""
+  puts "Default settings are now found in config/settings.yml and you"
+  puts "can override these in config/settings.local.yml."
+  puts ""
+  puts "To prevent unexpected behaviour, please copy any custom"
+  puts "settings to config/settings.local.yml and then remove"
+  puts "your config/application.yml file."
+  exit!
+end
+# rubocop:enable Rails/Output, Rails/Exit
+
 # Allowed status values
 ALLOWED_STATUS ||= [
   "online",            # online and operating normally