Add a script/bootstrap

tclem · tclem · commit d5768201d62f · 2011-09-07T12:28:36.000-07:00
diff --git a/script/bootstrap b/script/bootstrap
@@ -0,0 +1,2 @@
+#!/bin/sh
+exec $0.rb "$@"
diff --git a/script/bootstrap.rb b/script/bootstrap.rb
@@ -0,0 +1,40 @@
+#!/usr/bin/env ruby
+#/ Usage: script/bootstrap [<options>]
+#/ Bootstraps the gem environment.
+#/
+#/ Options are passed through to the bundle-install command. In most cases you
+#/ won't need these. They're used primarily in production environments.
+#
+# =============================================================================
+# Uses bundler to install all gems specified in the Gemfile.
+#
+# show usage message with --help
+if ARGV.include?('--help')
+  system "grep '^#/' <'#{__FILE__}' |cut -c4-"
+  exit 2
+end
+
+# go into the project root because it makes everything easier
+root = File.expand_path('../..', __FILE__)
+Dir.chdir(root)
+
+# bring in rubygems and make sure bundler is installed.
+require 'rubygems'
+begin
+  require 'bundler'
+rescue LoadError => boom
+  warn "Bundler not found. Install it with `gem install bundler' and try again."
+  exit 1
+end
+
+# run bundle-install to install any missing gems
+argv  = ['--no-color', 'install']
+argv += ARGV
+system("bundle", *argv) || begin
+  if $?.exitstatus == 127
+    warn "bundle executable not found.  Ensure bundler is installed (`gem " +
+         "install bundler`) and that the gem bin path is in your PATH"
+  end
+  exit($?.exitstatus)
+end
+
