Class: FPM::Package::APK

Inherits:
FPM::Package show all
Defined in:
lib/fpm/package/apk.rb

Overview

Support for Alpine packages (.apk files)

This class supports both input and output of packages.

Constant Summary collapse

TAR_CHUNK_SIZE =
512
TAR_TYPEFLAG_OFFSET =
156
TAR_NAME_OFFSET_START =
0
TAR_NAME_OFFSET_END =
99
TAR_LENGTH_OFFSET_START =
124
TAR_LENGTH_OFFSET_END =
135
TAR_CHECKSUM_OFFSET_START =
148
TAR_CHECKSUM_OFFSET_END =
155
TAR_MAGIC_START =
257
TAR_MAGIC_END =
264
TAR_UID_START =
108
TAR_UID_END =
115
TAR_GID_START =
116
TAR_GID_END =
123
TAR_UNAME_START =
265
TAR_UNAME_END =
296
TAR_GNAME_START =
297
TAR_GNAME_END =
328
TAR_MAJOR_START =
329
TAR_MAJOR_END =
336
TAR_MINOR_START =
337
TAR_MINOR_END =
344

Instance Attribute Summary

Attributes inherited from FPM::Package

#attributes, #attrs, #category, #config_files, #conflicts, #dependencies, #description, #directories, #epoch, #iteration, #license, #maintainer, #provides, #replaces, #scripts, #url, #vendor, #version

Instance Method Summary collapse

Methods inherited from FPM::Package

apply_options, #build_path, #cleanup, #cleanup_build, #cleanup_staging, #convert, #converted_from, default_attributes, #edit_file, #files, inherited, #initialize, option, #script, #staging_path, type, #type, types

Methods included from Util

#ar_cmd, #ar_cmd_deterministic?, #copied_entries, #copy_entry, #copy_metadata, #default_shell, #execmd, #expand_pessimistic_constraints, #logger, #mknod_w, #program_exists?, #program_in_path?, #safesystem, #safesystemout, #tar_cmd, #tar_cmd_supports_sort_names_and_set_mtime?

Constructor Details

This class inherits a constructor from FPM::Package

Instance Method Details

#architectureObject


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# File 'lib/fpm/package/apk.rb', line 68

def architecture

  # "native" in apk should be "noarch"
  if @architecture.nil? or @architecture == "native"
    @architecture = "noarch"
  end
  return @architecture
end

#input(input_path) ⇒ Object


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# File 'lib/fpm/package/apk.rb', line 77

def input(input_path)
  logger.error("apk extraction is not yet implemented")
end

#nameObject

Get the name of this package. See also FPM::Package#name

This accessor actually modifies the name if it has some invalid or unwise characters.


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# File 'lib/fpm/package/apk.rb', line 45

def name
  if @name =~ /[A-Z]/
    logger.warn("apk packages should not have uppercase characters in their names")
    @name = @name.downcase
  end

  if @name.include?("_")
    logger.warn("apk packages should not include underscores")
    @name = @name.gsub(/[_]/, "-")
  end

  if @name.include?(" ")
    logger.warn("apk packages should not contain spaces")
    @name = @name.gsub(/[ ]/, "-")
  end

  return @name
end

#output(output_path) ⇒ Object


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# File 'lib/fpm/package/apk.rb', line 81

def output(output_path)

  output_check(output_path)

  control_path = build_path("control")
  controltar_path = build_path("control.tar")
  datatar_path = build_path("data.tar")

  FileUtils.mkdir(control_path)

  # data tar.
  tar_path(staging_path(""), datatar_path)

  # control tar.
  begin
    write_pkginfo(control_path)
    write_control_scripts(control_path)
    tar_path(control_path, controltar_path)
  ensure
    FileUtils.rm_r(control_path)
  end

  # concatenate the two into a real apk.
  begin

    # cut end-of-tar record from control tar
    cut_tar_record(controltar_path)

    # calculate/rewrite sha1 hashes for data tar
    hash_datatar(datatar_path)

    # concatenate the two into the final apk
    concat_zip_tars(controltar_path, datatar_path, output_path)
  end

  logger.warn("apk output does not currently sign packages.")
  logger.warn("It's recommended that your package be installed with '--allow-untrusted'")
end

#prefixObject


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# File 'lib/fpm/package/apk.rb', line 64

def prefix
  return (attributes[:prefix] or "/")
end

#to_s(format = nil) ⇒ Object


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# File 'lib/fpm/package/apk.rb', line 504

def to_s(format=nil)
  return super("NAME_FULLVERSION_ARCH.TYPE") if format.nil?
  return super(format)
end