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require 'formula'
# Downloads the tarballs for the given formulae to the Cache
module Homebrew extend self
def fetch
raise FormulaUnspecifiedError if ARGV.named.empty?
if ARGV.include? '--deps'
bucket = []
ARGV.formulae.each do |f|
bucket << f
bucket << f.recursive_dependencies.map(&:to_formula)
end
bucket = bucket.flatten.uniq
else
bucket = ARGV.formulae
end
puts "Fetching: #{bucket * ', '}" if bucket.size > 1
bucket.each { |f| fetch_formula(f) }
end
def already_fetched? f
f.cached_download.exist?
end
def fetch_formula f
f.cached_download.rmtree if already_fetched?(f) && ARGV.force?
tarball, _ = f.fetch
# FIXME why are strategies returning different types?
return unless tarball.is_a? Pathname
puts "Downloaded to: #{tarball}" unless already_fetched?(f)
puts Checksum::TYPES.map { |t| "#{t.to_s.upcase}: #{tarball.send(t)}" }
f.verify_download_integrity(tarball)
rescue ChecksumMismatchError => e
Homebrew.failed = true
opoo "Formula reports different #{e.hash_type}: #{e.expected}"
end
end
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