brew/Library/Homebrew/requirements/perl_requirement.rb
Vlad Shablinsky 3fb5d70a72
Unify Version.create usage
Substitue each Version.new and HeadVersion.new with Version.create
to unify Version and HeadVersion instantiation among core code.

Note that this does not relate to Mac::OS::Version class.
2016-07-16 20:39:13 +08:00

29 lines
731 B
Ruby

class PerlRequirement < Requirement
fatal true
default_formula "perl"
def initialize(tags)
@version = tags.shift if /^\d+\.\d+$/ === tags.first
raise "PerlRequirement requires a version!" unless @version
super
end
satisfy(:build_env => false) do
which_all("perl").detect do |perl|
perl_version = Utils.popen_read(perl, "--version")[/\(v(\d+\.\d+)(?:\.\d+)?\)/, 1]
next unless perl_version
Version.create(perl_version.to_s) >= Version.create(@version)
end
end
def message
s = "Perl #{@version} is required to install this formula."
s += super
s
end
def inspect
"#<#{self.class.name}: #{name.inspect} #{tags.inspect} version=#{@version.inspect}>"
end
end