brew-setup-nginx-conf

#!/usr/bin/env ruby
# Generates and installs a project nginx configuration using erb.
require "erb"
require "pathname"

root_configuration = ARGV.delete "--root"
if root_configuration
  http_port = 80
  https_port = 443
else
  http_port = 8080
  https_port = 8443
end

name = ARGV.shift
root = ARGV.shift || "."
input = ARGV.shift || "config/dev/nginx.conf.erb"

if !name || !root || !input
  abort "Usage: brew generate-nginx-conf [--root] <project_name> <project_root_path> <nginx.conf.erb>"
end

unless input.end_with? ".erb"
  abort "Error: #{input} is not a .erb file!"
end

root = File.expand_path root
input = File.expand_path input

data = IO.read input
conf = ERB.new(data).result
output = input.sub(/.erb$/, "")
output.sub!(/.conf$/, ".root.conf") if root_configuration
IO.write output, conf

exit if ENV["BOXEN_HOME"]
exit if root_configuration

/access_log (?<log>.+);/ =~ conf
if log
  log = Pathname(log)
  log.dirname.mkpath
  FileUtils.touch log unless log.exist?
end

exit unless RUBY_PLATFORM.include? "darwin"

strap_url = ENV["STRAP_URL"]
strap_url ||= "https://strap.githubapp.com"

unless File.exist? "/usr/local/bin/brew"
  abort <<-EOS
Error: Homebrew is not in /usr/local. Install it by running Strap:
  #{strap_url}
EOS
end

brewfile = <<-EOS
brew "launchdns", restart_service: true
brew "nginx", restart_service: true
EOS

started_nginx = false
unless system "echo '#{brewfile}' | brew bundle check --file=- >/dev/null"
  puts "Installing *.dev dependencies:"
  unless system "echo '#{brewfile}' | brew bundle --file=-"
    abort "Error: install *.dev dependencies with brew bundle!"
  end
  started_nginx = true
end

if `readlink /etc/resolver 2>/dev/null`.chomp != "/usr/local/etc/resolver"
  unless system "sudo -n true >/dev/null"
    puts "Asking for your password to setup *.dev:"
  end
  unless system "sudo ln -sf /usr/local/etc/resolver /etc/resolver"
    abort "Error: failed to symlink /usr/local/etc/resolver to /etc/resolver!"
  end
end

server = "/usr/local/etc/nginx/servers/#{name}"
unless system "ln -sf '#{File.absolute_path(output)}' '#{server}'"
  abort "Error: failed to symlink #{output} to #{server}!"
end

system "brew prune >/dev/null"
unless started_nginx
  unless system "brew services restart nginx >/dev/null"
    abort "Error: failed to (re)start nginx!"
  end
end