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# `brew readall` tries to import all formulae one-by-one.
# This can be useful for debugging issues across all formulae
# when making significant changes to formula.rb,
# or to determine if any current formulae have Ruby issues
require "formula"
require "tap"
require "thread"
module Homebrew
def readall
if ARGV.delete("--syntax")
ruby_files = Queue.new
scan_files = %W[
#{HOMEBREW_LIBRARY}/*.rb
#{HOMEBREW_LIBRARY}/Homebrew/**/*.rb
]
Dir.glob(scan_files).each do |rb|
next if rb.include?("/vendor/")
ruby_files << rb
end
failed = false
workers = (0...Hardware::CPU.cores).map do
Thread.new do
begin
while rb = ruby_files.pop(true)
# As a side effect, print syntax errors/warnings to `$stderr`.
failed = true if syntax_errors_or_warnings?(rb)
end
rescue ThreadError # ignore empty queue error
end
end
end
workers.each(&:join)
Homebrew.failed = failed
end
formulae = []
alias_dirs = []
if ARGV.named.empty?
formulae = Formula.files
alias_dirs = Tap.map(&:alias_dir)
else
tap = Tap.fetch(ARGV.named.first)
raise TapUnavailableError, tap.name unless tap.installed?
formulae = tap.formula_files
alias_dirs = [tap.alias_dir]
end
if ARGV.delete("--aliases")
alias_dirs.each do |alias_dir|
next unless alias_dir.directory?
Pathname.glob("#{alias_dir}/*").each do |f|
next unless f.symlink?
next if f.file?
onoe "Broken alias: #{f}"
Homebrew.failed = true
end
end
end
formulae.each do |file|
begin
Formulary.factory(file)
rescue Interrupt
raise
rescue Exception => e
onoe "problem in #{file}"
puts e
Homebrew.failed = true
end
end
end
private
def syntax_errors_or_warnings?(rb)
# Retrieve messages about syntax errors/warnings printed to `$stderr`, but
# discard a `Syntax OK` printed to `$stdout` (in absence of syntax errors).
messages = Utils.popen_read("#{RUBY_PATH} -c -w #{rb} 2>&1 >/dev/null")
$stderr.print messages
# Only syntax errors result in a non-zero status code. To detect syntax
# warnings we also need to inspect the output to `$stderr`.
!$?.success? || !messages.chomp.empty?
end
end
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