Module: Gem2Rpm

Extended by:
TemplateHelpers
Defined in:
lib/gem2rpm.rb,
lib/gem2rpm/distro.rb,
lib/gem2rpm/helpers.rb,
lib/gem2rpm/rpm_file.rb,
lib/gem2rpm/template.rb,
lib/gem2rpm/gem/format.rb,
lib/gem2rpm/test_suite.rb,
lib/gem2rpm/gem/package.rb,
lib/gem2rpm/configuration.rb,
lib/gem2rpm/rpm_file_list.rb,
lib/gem2rpm/gem/dependency.rb,
lib/gem2rpm/rpm_dependency.rb,
lib/gem2rpm/gem/spec_fetcher.rb,
lib/gem2rpm/template_helpers.rb,
lib/gem2rpm/gem/specification.rb,
lib/gem2rpm/rpm_dependency_list.rb

Defined Under Namespace

Modules: Helpers, TemplateHelpers Classes: Configuration, Dependency, Distro, DownloadUrlError, Exception, Format, Package, RpmDependency, RpmDependencyList, RpmFile, RpmFileList, SpecFetcher, Specification, Template, TestSuite

Constant Summary collapse

VERSION = 
"1.0.2".freeze
OPEN_MODE =

:nodoc:

if Object.const_defined? :Encoding
  'r:UTF-8'
else
  'r'
end

Class Method Summary collapse

Methods included from TemplateHelpers

doc_file_entries, main_file_entries, requirement

Class Method Details

.convert(fname, template, out = $stdout, nongem = true, local = false, doc_subpackage = true) ⇒ Object 



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# File 'lib/gem2rpm.rb', line 65

def self.convert(fname, template, out = $stdout, nongem = true, local = false,
                    doc_subpackage = true)
  package = Gem2Rpm::Package.new(fname)
  # Deprecate, kept just for backward compatibility.
  format = Gem2Rpm::Format.new(package)
  spec = Gem2Rpm::Specification.new(package.spec)

  config = Configuration.instance.reset

  runtime_dependencies = Gem2Rpm::RpmDependencyList.new(spec.runtime_dependencies)
  development_dependencies = Gem2Rpm::RpmDependencyList.new(spec.development_dependencies)

  tests = TestSuite.new(spec)

  files = RpmFileList.new(spec.files)
  main_files = files.top_level_entries.main_entries
  doc_files = files.top_level_entries.doc_entries

  download_path = ""
  unless local
    begin
      download_path = find_download_url(spec.name, spec.version)
    rescue DownloadUrlError => e
      $stderr.puts "Warning: Could not retrieve full URL for #{spec.name}\nWarning: Edit the specfile and enter the full download URL as 'Source0' manually"
      $stderr.puts e.inspect
    end
  end

  erb = ERB.new(template.read, 0, '-')
  out.puts erb.result(binding)
rescue Gem::Exception => e
  puts e
end

.find_download_url(name, version) ⇒ Object 



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# File 'lib/gem2rpm.rb', line 47

def self.find_download_url(name, version)
  dep = Gem::Dependency.new(name, "=#{version}")
  fetcher = Gem2Rpm::SpecFetcher.new(Gem::SpecFetcher.fetcher)

  spec_and_source, errors = fetcher.spec_for_dependency(dep, false)

  fail DownloadUrlError, errors.first.error.message unless errors.empty?

  _spec, source = spec_and_source.first

  if source && source.uri
    download_path = source.uri.to_s
    download_path += "gems/"
  end

  download_path
end

.packager ⇒ Object

Returns the email address of the packager (i.e., the person running gem2spec). Taken from RPM macros if present, constructed from system username and hostname otherwise.



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# File 'lib/gem2rpm.rb', line 108

def self.packager
  packager = `rpmdev-packager 2> /dev/null`.chomp rescue ''

  if packager.empty?
    packager = `rpm --eval '%{packager}' 2> /dev/null`.chomp rescue ''
  end

  if packager.empty? || (packager == '%{packager}')
    passwd_entry = Etc.getpwnam(Etc.getlogin)
    packager = "#{(passwd_entry && passwd_entry.gecos) || Etc.getlogin} <#{Etc.getlogin}@#{Socket.gethostname}>"
  end

  packager
end

.print_dependencies(gemfile, out = $stdout) ⇒ Object

Print gem dependencies to the specified output ($stdout by default).



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# File 'lib/gem2rpm.rb', line 100

def self.print_dependencies(gemfile, out = $stdout)
  dl = RpmDependencyList.new(Gem2Rpm::Package.new(gemfile).spec.dependencies)
  out.puts dl.virtualize.to_rpm
end

.rubygem_template ⇒ Object 



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# File 'lib/gem2rpm.rb', line 123

def self.rubygem_template
  Template.new(File.join(Template.default_location, "#{Distro.nature}.spec.erb"))
end

.show_message(message, obj = nil, out = $stderr) ⇒ Object 



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# File 'lib/gem2rpm.rb', line 29

def self.show_message(message, obj = nil, out = $stderr)
  out.puts("#{message}\n\n")
  out.puts obj if obj
end

.show_templates(out = $stdout) ⇒ Object 



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# File 'lib/gem2rpm.rb', line 34

def self.show_templates(out = $stdout)
  out.puts "Available templates in #{Gem2Rpm::Template.default_location}:\n\n"
  template_list = Gem2Rpm::Template.list.map do |t|
    t = t.gsub(/(.*)\.spec.erb/, '\\1')
    t.gsub(/^/, t == Distro.nature ? '* ' : '  ')
  end.join("\n")
  out.puts template_list
end

.show_version(out = $stdout) ⇒ Object 



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# File 'lib/gem2rpm.rb', line 43

def self.show_version(out = $stdout)
  out.puts Gem2Rpm::VERSION
end

.vagrant_plugin_template ⇒ Object 



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# File 'lib/gem2rpm.rb', line 127

def self.vagrant_plugin_template
  file = File.join(Template.default_location, "#{Distro.nature}-vagrant-plugin.spec.erb")
  Template.new(file)
end