Class: Gonzui::SRPMExtractor

Inherits:
AbstractExtractor show all
Defined in:
lib/gonzui/extractor.rb

Constant Summary collapse

RPMTemporaryDirectories = 
["BUILD", "SOURCES", "SPECS"]

Instance Attribute Summary

Attributes included from TemporaryDirectoryUtil

#temporary_directory

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from AbstractExtractor

#clean, #extract, #initialize

Methods included from TemporaryDirectoryUtil

#clean_temporary_directory, #prepare_temporary_directory, #set_temporary_directory

Methods included from Util

assert, assert_equal, assert_equal_all, assert_non_nil, assert_not_reached, benchmark, command_exist?, commify, eprintf, format_bytes, program_name, protect_from_signals, require_command, set_verbosity, shell_escape, unix?, vprintf, windows?, wprintf

Constructor Details

This class inherits a constructor from Gonzui::AbstractExtractor

Class Method Details

.commands ⇒ Object 



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# File 'lib/gonzui/extractor.rb', line 272

def self.commands
  ["rpm", "rpmbuild"]
end

.extnames ⇒ Object 



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# File 'lib/gonzui/extractor.rb', line 276

def self.extnames
  [".src.rpm"]
end

Instance Method Details

#clean_rpm_directories ⇒ Object 



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# File 'lib/gonzui/extractor.rb', line 287

def clean_rpm_directories
  RPMTemporaryDirectories.each {|dirname| 
    path = File.join(self.temporary_directory, dirname)
    FileUtils.rm_rff(path)
  }
end

#do_extract ⇒ Object 



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# File 'lib/gonzui/extractor.rb', line 336

def do_extract
  prepare_rpm_directories
  begin
    do_extract_internal
  ensure
    clean_rpm_directories
  end
end

#do_extract_internal ⇒ Object

Raises:



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# File 'lib/gonzui/extractor.rb', line 301

def do_extract_internal
  options = "--nodeps --rmsource"
  common  = sprintf("rpmbuild --define '_topdir %s' %s",
                    self.temporary_directory, options)
  command_line = sprintf("rpm --define '_topdir %s' -i %s",
                         self.temporary_directory,
                         shell_escape(File.expand_path(@file_name)))
  status = system(command_line)
  raise ExtractorError.new("rpm command failed") if status == false
  spec_directory = File.join(self.temporary_directory, "SPECS")
  spec_file_name = find_spec_file(spec_directory)
  command_line =  sprintf("%s -bp %s", common, shell_escape(spec_file_name))
  # FIXME: --target=i686 is a kludge for ExclusiveArch
  command_line << sprintf("|| %s --target=i686 -bp %s",
                          common, shell_escape(spec_file_name))
  unless @config.verbose
    command_line = sprintf("(%s) >/dev/null 2>&1", command_line)
  end
  run_extract_command(command_line, @file_name)

  build_directory = File.join(self.temporary_directory, "BUILD")
  unless has_single_directory?(build_directory)
    raise ExtractorError.new("BUILD should contain a single directory")
  end
  base_name = Dir.entries_without_dots(build_directory).first
  package_name = File.basename(@file_name, ".src.rpm")
  src  = File.join(build_directory, base_name)
  dest = File.join(self.temporary_directory, package_name)
  File.rename(src, dest)

  unless FileTest.exist?(File.join(dest, File.basename(spec_file_name)))
    FileUtils.mv(spec_file_name, dest)
  end
end

#find_spec_file(spec_directory) ⇒ Object

Raises:



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# File 'lib/gonzui/extractor.rb', line 294

def find_spec_file(spec_directory)
  base_name = Dir.entries_without_dots(spec_directory).first
  raise ExtractorError.new("spec file not found") unless 
    File.extname(base_name) == ".spec"
  return File.join(spec_directory, base_name)
end

#prepare_rpm_directories ⇒ Object 



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# File 'lib/gonzui/extractor.rb', line 281

def prepare_rpm_directories
  RPMTemporaryDirectories.each {|dirname| 
    Dir.mkdir(File.join(self.temporary_directory, dirname))
  }
end