f990f083e8
optparse adds an "options" method to ARGV, and so does Homebrew. Rename this method (and remove optparse blocking script) so that Homebrew plays nicer with external Ruby software. This fixes the issue where "gem install thin" would break "brew server", for instance.
126 lines
3.3 KiB
Ruby
126 lines
3.3 KiB
Ruby
require 'formula'
|
|
require 'set'
|
|
|
|
class FormulaInstaller
|
|
@@attempted = Set.new
|
|
|
|
def initialize
|
|
@install_deps = true
|
|
end
|
|
|
|
attr_writer :install_deps
|
|
|
|
def self.expand_deps f
|
|
deps = []
|
|
f.deps.collect do |dep|
|
|
dep = Formula.factory dep
|
|
deps += expand_deps dep
|
|
deps << dep
|
|
end
|
|
deps
|
|
end
|
|
|
|
def pyerr dep
|
|
brew_pip = ' brew install pip &&' unless Formula.factory('pip').installed?
|
|
<<-EOS.undent
|
|
Unsatisfied dependency, #{dep}
|
|
Homebrew does not provide Python dependencies, pip does:
|
|
|
|
#{brew_pip} pip install #{dep}
|
|
EOS
|
|
end
|
|
def plerr dep; <<-EOS.undent
|
|
Unsatisfied dependency, #{dep}
|
|
Homebrew does not provide Perl dependencies, cpan does:
|
|
|
|
cpan -i #{dep}
|
|
EOS
|
|
end
|
|
def rberr dep; <<-EOS.undent
|
|
Unsatisfied dependency "#{dep}"
|
|
Homebrew does not provide Ruby dependencies, rubygems does:
|
|
|
|
gem install #{dep}
|
|
EOS
|
|
end
|
|
def jrberr dep; <<-EOS.undent
|
|
Unsatisfied dependency "#{dep}"
|
|
Homebrew does not provide JRuby dependencies, rubygems does:
|
|
|
|
jruby -S gem install #{dep}
|
|
EOS
|
|
end
|
|
|
|
def check_external_deps f
|
|
return unless f.external_deps
|
|
|
|
f.external_deps[:python].each do |dep|
|
|
raise pyerr(dep) unless quiet_system "/usr/bin/env", "python", "-c", "import #{dep}"
|
|
end
|
|
f.external_deps[:perl].each do |dep|
|
|
raise plerr(dep) unless quiet_system "/usr/bin/env", "perl", "-e", "use #{dep}"
|
|
end
|
|
f.external_deps[:ruby].each do |dep|
|
|
raise rberr(dep) unless quiet_system "/usr/bin/env", "ruby", "-rubygems", "-e", "require '#{dep}'"
|
|
end
|
|
f.external_deps[:jruby].each do |dep|
|
|
raise rberr(dep) unless quiet_system "/usr/bin/env", "jruby", "-rubygems", "-e", "require '#{dep}'"
|
|
end
|
|
end
|
|
|
|
def check_formula_deps f
|
|
FormulaInstaller.expand_deps(f).each do |dep|
|
|
begin
|
|
install_private dep unless dep.installed?
|
|
rescue
|
|
#TODO continue if this is an optional dep
|
|
raise
|
|
end
|
|
end
|
|
end
|
|
|
|
def install f
|
|
if @install_deps
|
|
check_external_deps f
|
|
check_formula_deps f
|
|
end
|
|
install_private f
|
|
end
|
|
|
|
private
|
|
|
|
def install_private f
|
|
return if @@attempted.include? f.name
|
|
@@attempted << f.name
|
|
|
|
# 1. formulae can modify ENV, so we must ensure that each
|
|
# installation has a pristine ENV when it starts, forking now is
|
|
# the easiest way to do this
|
|
# 2. formulae have access to __END__ the only way to allow this is
|
|
# to make the formula script the executed script
|
|
read, write = IO.pipe
|
|
# I'm guessing this is not a good way to do this, but I'm no UNIX guru
|
|
ENV['HOMEBREW_ERROR_PIPE'] = write.to_i.to_s
|
|
|
|
begin #watch_out_for_spill do #disabled temporarily, see Issue #124
|
|
fork do
|
|
begin
|
|
read.close
|
|
exec '/usr/bin/nice', '/usr/bin/ruby', '-I', File.dirname(__FILE__), '-rinstall', f.path, '--', *ARGV.options_only
|
|
rescue => e
|
|
Marshal.dump(e, write)
|
|
write.close
|
|
exit! 1
|
|
end
|
|
end
|
|
ignore_interrupts do # because child proc will get it and marshall it back
|
|
write.close
|
|
Process.wait
|
|
data = read.read
|
|
raise Marshal.load(data) unless data.nil? or data.empty?
|
|
raise "Suspicious installation failure" unless $?.success?
|
|
end
|
|
end
|
|
end
|
|
end
|