Class: FPM::Package::Deb

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

Overview

Support for debian packages (.deb files)

This class supports both input and output of packages.

Constant Summary collapse

SCRIPT_MAP =

Map of what scripts are named.

{
  :before_install     => "preinst",
  :after_install      => "postinst",
  :before_remove      => "prerm",
  :after_remove       => "postrm",
}
COMPRESSION_TYPES =

The list of supported compression types. Default is gz (gzip)

[ "gz", "bzip2", "xz" ]

Instance Attribute Summary

Attributes inherited from FPM::Package

#attributes, #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, #cleanup, #cleanup_build, #cleanup_staging, #convert, default_attributes, #edit_file, #files, inherited, option, #script, #staging_path, #type, type, types

Methods included from Util

#copy_entry, #mknod_w, #program_in_path?, #safesystem, #safesystemout, #tar_cmd, #with

Constructor Details

#initialize(*args) ⇒ Deb

Returns a new instance of Deb.



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# File 'lib/fpm/package/deb.rb', line 126

def initialize(*args)
  super(*args)
  attributes[:deb_priority] = "extra"
end

Instance Method Details

#architecture ⇒ Object

Return the architecture. This will default to native if not yet set. It will also try to use dpkg and ‘uname -m’ to figure out what the native ‘architecture’ value should be.



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# File 'lib/fpm/package/deb.rb', line 136

def architecture
  if @architecture.nil? or @architecture == "native"
    # Default architecture should be 'native' which we'll need to ask the
    # system about.
    if program_in_path?("dpkg")
      @architecture = %x{dpkg --print-architecture 2> /dev/null}.chomp
      if $?.exitstatus != 0 or @architecture.empty?
        # if dpkg fails or emits nothing, revert back to uname -m
        @architecture = %x{uname -m}.chomp 
      end
    else
      @architecture = %x{uname -m}.chomp
    end
  end

  case @architecture
  when "x86_64"
    # Debian calls x86_64 "amd64"
    @architecture = "amd64"
  when "noarch"
    # Debian calls noarch "all"
    @architecture = "all"
  end
  return @architecture
end

#converted_from(origin) ⇒ Object

def output



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# File 'lib/fpm/package/deb.rb', line 412

def converted_from(origin)
  self.dependencies = self.dependencies.collect do |dep|
    fix_dependency(dep)
  end.flatten
  self.provides = self.provides.collect do |provides|
    fix_provides(provides)
  end.flatten
    
end

#input(input_path) ⇒ Object

def prefix



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# File 'lib/fpm/package/deb.rb', line 190

def input(input_path)
  extract_info(input_path)
  extract_files(input_path)
end

#name ⇒ Object

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/deb.rb', line 166

def name
  if @name =~ /[A-Z]/
    @logger.warn("Debian tools (dpkg/apt) don't do well with packages " \
      "that use capital letters in the name. In some cases it will " \
      "automatically downcase them, in others it will not. It is confusing." \
      " Best to not use any capital letters at all. I have downcased the " \
      "package name for you just to be safe.",
      :oldname => @name, :fixedname => @name.downcase)
    @name = @name.downcase
  end

  if @name.include?("_")
    @logger.info("Debian package names cannot include underscores; " \
                 "automatically converting to dashes", :name => @name)
    @name = @name.gsub(/[_]/, "-")
  end

  return @name
end

#output(output_path) ⇒ Object

def extract_files



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# File 'lib/fpm/package/deb.rb', line 302

def output(output_path)
  self.provides = self.provides.collect { |p| fix_provides(p) }
  output_check(output_path)
  # Abort if the target path already exists.

  # create 'debian-binary' file, required to make a valid debian package
  File.write(build_path("debian-binary"), "2.0\n")

  # If we are given --deb-shlibs but no --after-install script, we
  # should implicitly create a before/after scripts that run ldconfig
  if attributes[:deb_shlibs] 
    if !script?(:after_install)
      @logger.info("You gave --deb-shlibs but no --after-install, so " \
                   "I am adding an after-install script that runs " \
                   "ldconfig to update the system library cache")
      scripts[:after_install] = template("deb/ldconfig.sh.erb").result(binding)
    end
    if !script?(:after_remove)
      @logger.info("You gave --deb-shlibs but no --after-remove, so " \
                   "I am adding an after-remove script that runs " \
                   "ldconfig to update the system library cache")
      scripts[:after_remove] = template("deb/ldconfig.sh.erb").result(binding)
    end
  end

  write_control_tarball

  # Tar up the staging_path into data.tar.{compression type}
  case self.attributes[:deb_compression]
    when "gzip", nil
      datatar = build_path("data.tar.gz")
      compression = "-z"
    when "bzip2" 
      datatar = build_path("data.tar.bz2")
      compression = "-j"
    when "xz"
      datatar = build_path("data.tar.xz")
      compression = "-J"
    else
      raise FPM::InvalidPackageConfiguration,
        "Unknown compression type '#{self.attributes[:deb_compression]}'"
  end

  tar_flags = []
  if !attributes[:deb_user].nil?
    if attributes[:deb_user] == 'root'
      tar_flags += [ "--numeric-owner", "--owner", "0" ]
    else
      tar_flags += [ "--owner", attributes[:deb_user] ]
    end
  end

  if !attributes[:deb_group].nil?
    if attributes[:deb_group] == 'root'
      tar_flags += [ "--numeric-owner", "--group", "0" ]
    else
      tar_flags += [ "--group", attributes[:deb_group] ]
    end
  end

  if attributes[:deb_changelog]
    dest_changelog = File.join(staging_path, "usr/share/doc/#{name}/changelog.Debian")
    FileUtils.mkdir_p(File.dirname(dest_changelog))
    FileUtils.cp attributes[:deb_changelog], dest_changelog
    File.chmod(0644, dest_changelog)
    safesystem("gzip", dest_changelog)
  end

  attributes.fetch(:deb_init_list, []).each do |init|
    name = File.basename(init, ".init")
    dest_init = File.join(staging_path, "etc/init.d/#{name}")
    FileUtils.mkdir_p(File.dirname(dest_init))
    FileUtils.cp init, dest_init
    File.chmod(0755, dest_init)
  end

  attributes.fetch(:deb_default_list, []).each do |default|
    name = File.basename(default, ".default")
    dest_default = File.join(staging_path, "etc/default/#{name}")
    FileUtils.mkdir_p(File.dirname(dest_default))
    FileUtils.cp default, dest_default
    File.chmod(0644, dest_default)
  end

  attributes.fetch(:deb_upstart_list, []).each do |upstart|
    name = File.basename(upstart, ".upstart")
    dest_upstart = staging_path("etc/init/#{name}.conf")
    FileUtils.mkdir_p(File.dirname(dest_upstart))
    FileUtils.cp(upstart, dest_upstart)
    File.chmod(0644, dest_upstart)

    # Install an init.d shim that calls upstart
    dest_init = staging_path("/etc/init.d/#{name}")
    FileUtils.mkdir_p(File.dirname(dest_init))
    FileUtils.ln_s("/lib/init/upstart-job", dest_init)
  end

  args = [ tar_cmd, "-C", staging_path, compression ] + tar_flags + [ "-cf", datatar, "." ]
  safesystem(*args)

  # pack up the .deb, which is just an 'ar' archive with 3 files
  # the 'debian-binary' file has to be first
  with(File.expand_path(output_path)) do |output_path|
    ::Dir.chdir(build_path) do
      safesystem("ar", "-qc", output_path, "debian-binary", "control.tar.gz", datatar)
    end
  end
  @logger.log("Created deb package", :path => output_path)
end

#prefix ⇒ Object

def name



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# File 'lib/fpm/package/deb.rb', line 186

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

#to_s(format = nil) ⇒ Object

def write_md5sums



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# File 'lib/fpm/package/deb.rb', line 658

def to_s(format=nil)
  # Default format if nil
  # git_1.7.9.3-1_amd64.deb
  return super("NAME_FULLVERSION_ARCH.TYPE") if format.nil?
  return super(format)
end