discourse/config/initializers/000-development_reload_warnings.rb

61 lines
2.0 KiB
Ruby

# frozen_string_literal: true
# Development helper which prints a warning when you edit a non-autoloaded ruby file.
# These include initializers, middleware, plugin.rb files, and more.
# Launch the server with AUTO_RESTART=0 to disable automatic restarts.
if Rails.env.development? && !Rails.configuration.cache_classes && Discourse.running_in_rack?
paths = [
*Dir["#{Rails.root}/app/*"].reject { |path| path.end_with? "/assets" },
"#{Rails.root}/config",
"#{Rails.root}/lib",
"#{Rails.root}/plugins",
]
if Listen::Adapter::Linux.usable?
# The Listen gem watches recursively, which has a cost per-file on Linux (via rb-inotify)
# Skip a bunch of unnecessary directories to reduce the cost
# Ref https://github.com/guard/listen/issues/556
require "rb-inotify"
INotify::Notifier.prepend(
Module.new do
def watch(path, *flags, &callback)
return if path.end_with?("/node_modules", "/.git")
super(path, *flags, &callback)
end
end,
)
end
Listen
.to(*paths, only: /\.rb$/, ignore: [/node_modules/]) do |modified, added, removed|
supervisor_pid = UNICORN_DEV_SUPERVISOR_PID
auto_restart = supervisor_pid && ENV["AUTO_RESTART"] != "0"
files = modified + added + removed
not_autoloaded =
files.filter_map do |file|
autoloaded = Rails.autoloaders.main.__autoloads.key? file
if !autoloaded && !file.match(%r{/spec/})
Pathname.new(file).relative_path_from(Rails.root)
end
end
if not_autoloaded.length > 0
message =
(
if auto_restart
"Restarting server..."
else
"Server restart required. Automate this by setting AUTO_RESTART=1."
end
)
STDERR.puts "[DEV]: Edited files which are not autoloaded. #{message}"
STDERR.puts not_autoloaded.map { |path| "- #{path}".indent(7) }.join("\n")
Process.kill("USR2", supervisor_pid) if auto_restart
end
end
.start
end