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#!/usr/bin/ruby
# -*- coding: utf-8 -*-
HOMEBREW_BREW_FILE = ENV['HOMEBREW_BREW_FILE'] = File.expand_path(__FILE__)
require 'pathname'
HOMEBREW_LIBRARY_PATH = Pathname.new(__FILE__).realpath.dirname.parent.join("Library/Homebrew").to_s
$:.unshift(HOMEBREW_LIBRARY_PATH)
require 'global'
case ARGV.first when '-h', '--help', '--usage', '-?', 'help', nil
require 'cmd/help'
puts Homebrew.help_s
exit ARGV.first ? 0 : 1
when '--version'
puts HOMEBREW_VERSION
exit 0
when '-v'
if ARGV.length > 1
puts "Homebrew #{HOMEBREW_VERSION}"
# continue in verbose mode
ARGV << ARGV.shift
else
puts HOMEBREW_VERSION
exit 0
end
end
if Process.uid.zero? and not File.stat(HOMEBREW_BREW_FILE).uid.zero?
# note we only abort if Homebrew is *not* uninstalled sudo and the user
# calls brew as root. The fix is to chown brew to root.
abort "Cowardly refusing to `sudo brew'"
end
case HOMEBREW_PREFIX.to_s when '/', '/usr'
# it may work, but I only see pain this route and don't want to support it
abort "Cowardly refusing to continue at this prefix: #{HOMEBREW_PREFIX}"
end
if MACOS_VERSION < 10.5
abort <<-EOABORT.undent
Homebrew requires Leopard or higher. For Tiger support, see:
http://github.com/sceaga/homebrew/tree/tiger
EOABORT
end
# Many Pathname operations use getwd when they shouldn't, and then throw
# odd exceptions. Reduce our support burden by showing a user-friendly error.
Dir.getwd rescue abort "The current working directory doesn't exist, cannot proceed."
def require? path
require path.to_s.chomp
rescue LoadError => e
# HACK :( because we should raise on syntax errors but
# not if the file doesn't exist. TODO make robust!
raise unless e.to_s.include? path
end
begin
aliases = {'ls' => :list,
'homepage' => :home,
'-S' => :search,
'up' => :update,
'ln' => :link,
'instal' => :install, # gem does the same
'rm' => :uninstall,
'remove' => :uninstall,
'configure' => :diy,
'abv' => :info,
'dr' => :doctor,
'--repo' => '--repository',
'environment' => '--env' # same as gem
}
cmd = ARGV.shift
cmd = aliases[cmd] if aliases[cmd]
# Add example external commands to PATH before checking.
ENV['PATH'] += ":#{HOMEBREW_REPOSITORY}/Library/Contributions/examples"
if system "/usr/bin/which -s brew-#{cmd}"
%w[CACHE CELLAR LIBRARY_PATH PREFIX REPOSITORY].each do |e|
ENV["HOMEBREW_#{e}"] = Object.const_get "HOMEBREW_#{e}"
end
exec "brew-#{cmd}", *ARGV
elsif require? `/usr/bin/which brew-#{cmd}.rb`
exit 0
elsif require? HOMEBREW_REPOSITORY/"Library/Homebrew/cmd"/cmd
Homebrew.send cmd.to_s.gsub('-', '_')
else
# Check for git commands
if %w[branch checkout pull push rebase reset].include? cmd
onoe "Unknown command: #{cmd} (did you mean `git #{cmd}'?)"
else
onoe "Unknown command: #{cmd}"
end
end
rescue FormulaUnspecifiedError
abort "This command requires a formula argument"
rescue KegUnspecifiedError
abort "This command requires a keg argument"
rescue UsageError
onoe "Invalid usage"
abort ARGV.usage
rescue SystemExit
puts "Kernel.exit" if ARGV.verbose?
raise
rescue Interrupt => e
puts # seemingly a newline is typical
exit 130
rescue BuildError => e
require 'cmd/--config'
require 'cmd/--env'
e.backtrace[1] =~ %r{Library/Formula/(.+)\.rb:(\d+)}
formula_name = $1
error_line = $2
ohai "Exit Status: #{e.exit_status}"
puts "http://github.com/mxcl/homebrew/blob/master/Library/Formula/#{formula_name}.rb#L#{error_line}"
ohai "Environment"
puts Homebrew.config_s
ohai "Build Flags"
Homebrew.dump_build_env e.env
puts
onoe e
puts PLEASE_REPORT_BUG
# this feature can be slow (depends on network conditions and if github is up)
# so ideally we'd show feedback, eg. "checking for existing issues..." and
# then replace that string with the following when the github api returns
issues = GitHub.issues_for_formula formula_name
puts "These existing issues may help you:", *issues unless issues.empty?
if e.was_running_configure?
puts "It looks like an autotools configure failed."
puts "Consider re-running the install with '-vd' to keep 'config.log' around:"
puts " brew install -vd #{formula_name}"
puts "Gist 'config.log' and any error output when reporting an issue."
puts "Remember to include your config information: brew --config"
end
puts
puts "Also try:"
puts " `brew doctor` to check your setup for common problems."
puts " `brew missing` to check installed packages for missing deps."
exit 1
rescue RuntimeError, SystemCallError => e
onoe e
puts e.backtrace if ARGV.debug?
exit 1
rescue Exception => e
onoe e
puts PLEASE_REPORT_BUG
puts e.backtrace
exit 1
end
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