152 lines
3.4 KiB
Ruby
152 lines
3.4 KiB
Ruby
require 'download_strategy'
|
|
require 'checksum'
|
|
require 'version'
|
|
|
|
FormulaConflict = Struct.new(:name, :reason)
|
|
|
|
class SoftwareSpec
|
|
attr_reader :checksum, :mirrors, :specs
|
|
attr_reader :using # for auditing
|
|
|
|
def initialize url=nil, version=nil
|
|
@url = url
|
|
@version = version
|
|
@mirrors = []
|
|
@specs = {}
|
|
@checksum = nil
|
|
@using = nil
|
|
end
|
|
|
|
def download_strategy
|
|
@download_strategy ||= DownloadStrategyDetector.detect(url, using)
|
|
end
|
|
|
|
def verify_download_integrity fn
|
|
fn.verify_checksum(checksum)
|
|
rescue ChecksumMissingError
|
|
opoo "Cannot verify package integrity"
|
|
puts "The formula did not provide a download checksum"
|
|
puts "For your reference the SHA1 is: #{fn.sha1}"
|
|
rescue ChecksumMismatchError => e
|
|
e.advice = <<-EOS.undent
|
|
Archive: #{fn}
|
|
(To retry an incomplete download, remove the file above.)
|
|
EOS
|
|
raise e
|
|
end
|
|
|
|
def detect_version(val)
|
|
case val
|
|
when nil then Version.detect(url, specs)
|
|
when String then Version.new(val)
|
|
when Hash then Version.new_with_scheme(*val.shift)
|
|
else
|
|
raise TypeError, "version '#{val.inspect}' should be a string"
|
|
end
|
|
end
|
|
|
|
# The methods that follow are used in the block-form DSL spec methods
|
|
Checksum::TYPES.each do |cksum|
|
|
class_eval <<-EOS, __FILE__, __LINE__ + 1
|
|
def #{cksum}(val)
|
|
@checksum = Checksum.new(:#{cksum}, val)
|
|
end
|
|
EOS
|
|
end
|
|
|
|
def url val=nil, specs={}
|
|
return @url if val.nil?
|
|
@url = val
|
|
@using = specs.delete(:using)
|
|
@specs.merge!(specs)
|
|
end
|
|
|
|
def version val=nil
|
|
@version ||= detect_version(val)
|
|
end
|
|
|
|
def mirror val
|
|
mirrors << val
|
|
end
|
|
end
|
|
|
|
class HeadSoftwareSpec < SoftwareSpec
|
|
def initialize url=nil, version=Version.new(:HEAD)
|
|
super
|
|
end
|
|
|
|
def verify_download_integrity fn
|
|
return
|
|
end
|
|
end
|
|
|
|
class Bottle < SoftwareSpec
|
|
attr_writer :url
|
|
attr_rw :root_url, :prefix, :cellar, :revision
|
|
|
|
def initialize
|
|
super
|
|
@revision = 0
|
|
@prefix = '/usr/local'
|
|
@cellar = '/usr/local/Cellar'
|
|
end
|
|
|
|
# Checksum methods in the DSL's bottle block optionally take
|
|
# a Hash, which indicates the platform the checksum applies on.
|
|
Checksum::TYPES.each do |cksum|
|
|
class_eval <<-EOS, __FILE__, __LINE__ + 1
|
|
def #{cksum}(val=nil)
|
|
return @#{cksum} if val.nil?
|
|
@#{cksum} ||= Hash.new
|
|
case val
|
|
when Hash
|
|
key, value = val.shift
|
|
@#{cksum}[value] = Checksum.new(:#{cksum}, key)
|
|
end
|
|
|
|
if @#{cksum}.has_key? bottle_tag
|
|
@checksum = @#{cksum}[bottle_tag]
|
|
end
|
|
end
|
|
EOS
|
|
end
|
|
end
|
|
|
|
|
|
# Used to annotate formulae that duplicate OS X provided software
|
|
# or cause conflicts when linked in.
|
|
class KegOnlyReason
|
|
attr_reader :reason, :explanation
|
|
|
|
def initialize reason, explanation=nil
|
|
@reason = reason
|
|
@explanation = explanation
|
|
@valid = case @reason
|
|
when :provided_pre_mountain_lion then MacOS.version < :mountain_lion
|
|
else true
|
|
end
|
|
end
|
|
|
|
def valid?
|
|
@valid
|
|
end
|
|
|
|
def to_s
|
|
case @reason
|
|
when :provided_by_osx then <<-EOS.undent
|
|
Mac OS X already provides this software and installing another version in
|
|
parallel can cause all kinds of trouble.
|
|
|
|
#{@explanation}
|
|
EOS
|
|
when :provided_pre_mountain_lion then <<-EOS.undent
|
|
Mac OS X already provides this software in versions before Mountain Lion.
|
|
|
|
#{@explanation}
|
|
EOS
|
|
else
|
|
@reason
|
|
end.strip
|
|
end
|
|
end
|