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Formulary: allow loading formula from contents

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This commit is contained in:
Xu Cheng 2015-09-02 16:12:26 +08:00
parent cbb91c5516
commit ff0f6598ce
1 changed files with 11 additions and 7 deletions
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18
Library/Homebrew/formulary.rb
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@ -15,22 +15,26 @@ class Formulary
FORMULAE.fetch(path)
end
def self.load_formula(name, path)
def self.load_formula(name, path, contents, namespace)
mod = Module.new
const_set("FormulaNamespace#{Digest::MD5.hexdigest(path.to_s)}", mod)
contents = path.open("r") { |f| set_encoding(f).read }
const_set(namespace, mod)
mod.module_eval(contents, path)
class_name = class_s(name)
begin
klass = mod.const_get(class_name)
mod.const_get(class_name)
rescue NameError => e
raise FormulaUnavailableError, name, e.backtrace
else
FORMULAE[path] = klass
end
end
def self.load_formula_from_path(name, path)
contents = path.open("r") { |f| set_encoding(f).read }
namespace = "FormulaNamespace#{Digest::MD5.hexdigest(path.to_s)}"
klass = load_formula(name, path, contents, namespace)
FORMULAE[path] = klass
end
if IO.method_defined?(:set_encoding)
def self.set_encoding(io)
io.set_encoding(Encoding::UTF_8)
@ -76,7 +80,7 @@ class Formulary
def load_file
STDERR.puts "#{$0} (#{self.class.name}): loading #{path}" if ARGV.debug?
raise FormulaUnavailableError.new(name) unless path.file?
Formulary.load_formula(name, path)
Formulary.load_formula_from_path(name, path)
end
end