discourse/bin/unicorn

119 lines
2.9 KiB
Ruby
Executable File

#!/usr/bin/env ruby
# frozen_string_literal: true
require 'pathname'
ENV['BUNDLE_GEMFILE'] ||= File.expand_path("../../Gemfile",
Pathname.new(__FILE__).realpath)
RAILS_ROOT = File.expand_path("../../", Pathname.new(__FILE__).realpath)
if defined? Bundler
STDERR.puts <<~MESSAGE
WARNING: Using `bundle exec` to start the server is unnecessary, and will make startup slower. Use `bin/rails s` or `bin/unicorn`.
MESSAGE
end
require 'rubygems'
require 'bundler/setup'
require 'digest'
require 'fileutils'
dev_mode = false
def ensure_cache_clean!
_all_plugin_directories = Pathname.new(RAILS_ROOT + '/plugins').children.select(&:directory?)
core_git_sha = `git rev-parse HEAD`.strip
plugins_combined_git_sha = `git ls-files -s plugins | git hash-object --stdin`.strip
super_sha = Digest::SHA1.hexdigest(core_git_sha + plugins_combined_git_sha)
hash_file = "#{RAILS_ROOT}/tmp/plugin-hash"
old_hash = File.exist?(hash_file) ? File.read(hash_file) : nil
if old_hash && old_hash != super_sha
FileUtils.rm_rf("#{RAILS_ROOT}/tmp/cache")
end
FileUtils.mkdir_p(RAILS_ROOT + "/tmp")
File.write(hash_file, super_sha)
end
# in development do some fussing around, to automate config
if !ARGV.include?("-E") &&
!ARGV.include?("--env") &&
(["development", "test"].include?(ENV["RAILS_ENV"]) || !ENV["RAILS_ENV"])
dev_mode = true
ARGV.push("-N")
if !ARGV.include?("-c") && !ARGV.include?("--config-file")
ARGV.push("-c")
ARGV.push(File.expand_path("../../config/unicorn.conf.rb",
Pathname.new(__FILE__).realpath))
end
# we do not want to listen on 2 ports, so lets fix it
if (idx = ARGV.index("-p")) && (port = ARGV[idx + 1].to_i) > 0
ENV["UNICORN_PORT"] ||= port.to_s
end
ENV["UNICORN_PORT"] ||= "9292"
if ARGV.delete("-x")
puts "Running without sidekiq"
ENV["UNICORN_SIDEKIQS"] = "0"
end
ENV["UNICORN_SIDEKIQS"] ||= "1"
ensure_cache_clean!
end
if ARGV.include?("--help")
fork do
load Gem.bin_path('unicorn', 'unicorn')
end
Process.wait
puts "Extra Discourse Options:"
puts " -x run without sidekiq"
exit
end
# this dev_mode hackery enables the following to be used to restart unicorn:
#
# pkill -USR2 -f 'ruby bin/unicorn'
#
# This is handy if you want to bind a key to restarting unicorn in dev
if dev_mode
UNICORN_DEV_SUPERVISOR_PID = Process.pid
restart = true
while restart
restart = false
pid = fork do
load Gem.bin_path('unicorn', 'unicorn')
end
done = false
Signal.trap('INT') do
# wait for parent to be done
end
Signal.trap('USR2') do
Process.kill('QUIT', pid)
puts "RESTARTING UNICORN"
restart = true
end
Signal.trap("TERM") do
Process.kill('TERM', pid)
end
while !done
sleep 1
done = Process.waitpid(pid, Process::WNOHANG)
end
end
else
load Gem.bin_path('unicorn', 'unicorn')
end