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require 'formula'
require 'blacklist'
require 'digest'
require 'erb'
module Homebrew
# Create a formula from a tarball URL
def create
# Allow searching MacPorts or Fink.
if ARGV.include? '--macports'
exec_browser "http://www.macports.org/ports.php?by=name&substr=#{ARGV.next}"
elsif ARGV.include? '--fink'
exec_browser "http://pdb.finkproject.org/pdb/browse.php?summary=#{ARGV.next}"
end
raise UsageError if ARGV.named.empty?
# Ensure that the cache exists so we can fetch the tarball
HOMEBREW_CACHE.mkpath
url = ARGV.named.first # Pull the first (and only) url from ARGV
version = ARGV.next if ARGV.include? '--set-version'
name = ARGV.next if ARGV.include? '--set-name'
fc = FormulaCreator.new
fc.name = name
fc.version = version
fc.url = url
fc.mode = if ARGV.include? '--cmake'
:cmake
elsif ARGV.include? '--autotools'
:autotools
end
if fc.name.nil? || fc.name.strip.empty?
stem = Pathname.new(url).stem
print "Formula name [#{stem}]: "
fc.name = __gets || stem
fc.path = Formula.path(fc.name)
end
# Don't allow blacklisted formula, or names that shadow aliases,
# unless --force is specified.
unless ARGV.force?
if msg = blacklisted?(fc.name)
raise "#{fc.name} is blacklisted for creation.\n#{msg}\nIf you really want to create this formula use --force."
end
if Formula.aliases.include? fc.name
realname = Formulary.canonical_name(fc.name)
raise <<-EOS.undent
The formula #{realname} is already aliased to #{fc.name}
Please check that you are not creating a duplicate.
To force creation use --force.
EOS
end
end
fc.generate!
puts "Please `brew audit #{fc.name}` before submitting, thanks."
exec_editor fc.path
end
def __gets
gots = $stdin.gets.chomp
if gots.empty? then nil else gots end
end
end
class FormulaCreator
attr_reader :url, :sha1
attr_accessor :name, :version, :path, :mode
def url= url
@url = url
path = Pathname.new(url)
if @name.nil?
%r{github.com/\S+/(\S+)/archive/}.match url
@name ||= $1
/(.*?)[-_.]?#{path.version}/.match path.basename
@name ||= $1
@path = Formula.path @name unless @name.nil?
else
@path = Formula.path name
end
if @version
@version = Version.new(@version)
else
@version = Pathname.new(url).version
end
end
def fetch?
!ARGV.include?("--no-fetch")
end
def generate!
raise "#{path} already exists" if path.exist?
if version.nil?
opoo "Version cannot be determined from URL."
puts "You'll need to add an explicit 'version' to the formula."
end
if fetch? && version
r = Resource.new
r.url, r.version, r.owner = url, version, self
@sha1 = r.fetch.sha1 if r.download_strategy == CurlDownloadStrategy
end
path.write ERB.new(template, nil, '>').result(binding)
end
def template; <<-EOS.undent
require "formula"
# Documentation: https://github.com/Homebrew/homebrew/blob/master/share/doc/homebrew/Formula-Cookbook.md
# #{HOMEBREW_CONTRIB}/example-formula.rb
# PLEASE REMOVE ALL GENERATED COMMENTS BEFORE SUBMITTING YOUR PULL REQUEST!
class #{Formulary.class_s(name)} < Formula
homepage ""
url "#{url}"
<% unless version.nil? or version.detected_from_url? %>
version "#{version}"
<% end %>
sha1 "#{sha1}"
<% if mode == :cmake %>
depends_on "cmake" => :build
<% elsif mode.nil? %>
# depends_on "cmake" => :build
<% end %>
depends_on :x11 # if your formula requires any X11/XQuartz components
def install
# ENV.deparallelize # if your formula fails when building in parallel
<% if mode == :cmake %>
system "cmake", ".", *std_cmake_args
<% elsif mode == :autotools %>
# Remove unrecognized options if warned by configure
system "./configure", "--disable-debug",
"--disable-dependency-tracking",
"--disable-silent-rules",
"--prefix=\#{prefix}"
<% else %>
# Remove unrecognized options if warned by configure
system "./configure", "--disable-debug",
"--disable-dependency-tracking",
"--disable-silent-rules",
"--prefix=\#{prefix}"
# system "cmake", ".", *std_cmake_args
<% end %>
system "make", "install" # if this fails, try separate make/make install steps
end
test do
# `test do` will create, run in and delete a temporary directory.
#
# This test will fail and we won't accept that! It's enough to just replace
# "false" with the main program this formula installs, but it'd be nice if you
# were more thorough. Run the test with `brew test #{name}`. Options passed
# to `brew install` such as `--HEAD` also need to be provided to `brew test`.
#
# The installed folder is not in the path, so use the entire path to any
# executables being tested: `system "\#{bin}/program", "do", "something"`.
system "false"
end
end
EOS
end
end
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