rails project setup script

rails_project_setup.rb

if ARGV.empty?
  puts 'usage: ruby setup_project.rb [project_name] [git_user]'
  return
end

def cmd text
  puts text
  result = `#{text}`
  puts result
  result
end

def do_first_commit project, git_url
  puts 'create project dir and do first commit'
  Dir.mkdir project unless File.exists?(project)
  Dir.chdir project
  cmd 'git init'
  cmd 'touch README'
  cmd 'git add README'
  cmd 'git commit -m "first commit"'
  cmd "git remote add origin #{git_url}"
  cmd 'git push origin master'
end

require 'fileutils'

project = ARGV[0]
git_user = ARGV.size > 1 ? ARGV[1] : 'robmckinnon'

git_url = "git@github.com:#{git_user}/#{project}.git"

result = cmd("git clone #{git_url}")

begin
  if result[/Initialized empty Git repository/]
    do_first_commit project, git_url
  else
    puts "entering #{project}"
    Dir.chdir project
  end
rescue Exception => e
  if e.to_s[/No such file or directory/]
    do_first_commit project, git_url
  else
    raise e
  end
end

puts "make #{project}/vendor"
Dir.mkdir 'vendor'

cmd 'git submodule add git://github.com/rails/rails.git vendor/rails'
cmd "git commit -m 'imported edge rails as a submodule'"
cmd 'git push'

puts "make rails app"
Dir.chdir('..')
cmd "ruby #{project}/vendor/rails/railties/bin/rails #{project} -m http://gist.github.com/270394.txt"