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require 'formula'
class PythonVersion < Requirement
def message; <<-EOS.undent
Node's build system, gyp, requires Python 2.6 or newer.
EOS
end
def satisfied?
`python -c 'import sys;print(sys.version[:3])'`.strip.to_f >= 2.6
end
end
class NpmNotInstalled < Requirement
def modules_folder
"#{HOMEBREW_PREFIX}/lib/node_modules"
end
def message; <<-EOS.undent
The homebrew node recipe now (beginning with 0.8.0) comes with npm.
It appears you already have npm installed at #{modules_folder}/npm.
To use the npm that comes with this recipe,
first uninstall npm with `npm uninstall npm -g`.
Then run this command again.
If you would like to keep your installation of npm instead of
using the one provided with homebrew,
install the formula with the --without-npm option added.
EOS
end
def satisfied?
begin
path = Pathname.new("#{modules_folder}/npm")
not path.realpath.to_s.include?(HOMEBREW_CELLAR)
rescue Exception => e
true
end
end
def fatal?
true
end
end
class Node < Formula
homepage 'http://nodejs.org/'
url 'http://nodejs.org/dist/v0.8.8/node-v0.8.8.tar.gz'
sha1 '5ddafc059d2f774e35e6375f5b61157879a46f0f'
head 'https://github.com/joyent/node.git'
# Leopard OpenSSL is not new enough, so use our keg-only one
depends_on 'openssl' if MacOS.version == :leopard
depends_on NpmNotInstalled.new unless build.include? 'without-npm'
depends_on PythonVersion.new
# There is a bug with the GYP buildsystem that prevents Node from compiling
# on CLT-only systems with unset `xcode-select` paths:
#
# http://code.google.com/p/gyp/issues/detail?id=292
#
# See the following issue for more info:
#
# joyent/node#3681
depends_on :xcode
option 'enable-debug', 'Build with debugger hooks'
option 'without-npm', 'npm will not be installed'
fails_with :llvm do
build 2326
end
def install
args = %W{--prefix=#{prefix}}
args << "--debug" if build.include? 'enable-debug'
args << "--without-npm" if build.include? 'without-npm'
system "./configure", *args
system "make install"
unless build.include? 'without-npm'
(lib/"node_modules/npm/npmrc").write(npmrc)
end
end
def npm_prefix
"#{HOMEBREW_PREFIX}/share/npm"
end
def npm_bin
"#{npm_prefix}/bin"
end
def modules_folder
"#{HOMEBREW_PREFIX}/lib/node_modules"
end
def npmrc
<<-EOS.undent
prefix = #{npm_prefix}
EOS
end
def caveats
if build.include? 'without-npm'
<<-EOS.undent
Homebrew has NOT installed npm. We recommend the following method of
installation:
curl https://npmjs.org/install.sh | sh
After installing, add the following path to your NODE_PATH environment
variable to have npm libraries picked up:
#{modules_folder}
EOS
elsif not ENV['PATH'].split(':').include? npm_bin
<<-EOS.undent
Homebrew installed npm.
We recommend prepending the following path to your PATH environment
variable to have npm-installed binaries picked up:
#{npm_bin}
EOS
end
end
end
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