Class: RPM::Package

Inherits:
Object
  • Object
show all
Defined in:
lib/rpm/package.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.create(name, version) ⇒ Object 



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# File 'lib/rpm/package.rb', line 15

def self.create(name, version)
  unless name.is_a?(String)
    raise TypeError, 'illegal argument type: name should be String'
  end
  unless version.is_a?(RPM::Version)
    raise TypeError, 'illegal argument type: version should be RPM::Version'
  end
  hdr = RPM::C.headerNew
  if RPM::C.headerPutString(hdr, :name, name) != 1
    raise "Can't set package name: #{name}"
  end
  if RPM::C.headerPutString(hdr, :version, version.v) != 1
    raise "Can't set package version: #{version.v}"
  end
  if version.e
    if RPM::C.headerPutUint32(hdr, :epoch, version.e) != 1
      raise "Can't set package epoch: #{version.e}"
    end
  end
  Package.new(hdr)
end

.open(filename) ⇒ Object 



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# File 'lib/rpm/package.rb', line 275

def self.open(filename)
  Package.new(filename)
end

Instance Method Details

#[](tag) ⇒ Object

Access a header entry

or if you have the old ruby-rpm compat loaded

  require 'rpm/compat'
  pkg[RPM::TAG_NAME] => "xmlgraphics-fop"

Examples:

pkg => #<RPM::Package name="xmlgraphics-fop", version=#<RPM::Version v="1.0", r="22.4">>
pkg[:name] => "xmlgraphics-fop"

Parameters:

  • tag (Number) —

    Tag to return

Returns:

  • Value of the entry

  • (String, Fixnum, Array<String>, Array<Fixnum>, nil) —

    The value of the entry



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# File 'lib/rpm/package.rb', line 217

def [](tag)
  tagc = ::FFI::AutoPointer.new(RPM::C.rpmtdNew, Package.method(:release_td))

  return nil if RPM::C.headerGet(ptr, tag, tagc,
                                 RPM::C::HEADERGET_MINMEM) == 0

  type = RPM::C.rpmtdType(tagc)
  count = RPM::C.rpmtdCount(tagc)
  ret_type = RPM::C.rpmTagGetReturnType(tag)

  method_name = case type
                when :int8_type, :char_type, :int16_type, :int32_type, :int64_type then :rpmtdGetNumber
                when :string_type, :string_array_type, :bin_type then :rpmtdGetString
                else raise NotImplementedError, "Don't know how to retrieve type '#{type}'"
                end

  is_array = if count > 1 then true
             elsif ret_type == :array_return_type then true
             elsif type == :string_array_type then true
             else false
             end

  if is_array
    ret = []
    RPM::C.rpmtdInit(tagc)
    ret << RPM::C.send(method_name, tagc) while RPM::C.rpmtdNext(tagc) != -1
    return ret
  end

  RPM::C.send(method_name, tagc)
end

#add_binary(_tag, _val) ⇒ Object

Add a binary value to the package header

Parameters:

  • tag (Number) —

    Tag

  • val (String) —

    Value

Raises:

  • (NotImplementedError) 


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# File 'lib/rpm/package.rb', line 71

def add_binary(_tag, _val)
  raise NotImplementedError
end

#add_dependency(dep) ⇒ Object

Add a dependency to the package header

Parameters:

Raises:

  • (NotImplementedError) 


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# File 'lib/rpm/package.rb', line 39

def add_dependency(dep)
  unless dep.is_a?(Dependency)
    raise TypeError, 'illegal argument type: must be a Dependency'
  end

  raise NotImplementedError
end

#add_int32(_tag, _val) ⇒ Object

Add a int32 value to the package header

Parameters:

  • tag (Number) —

    Tag

  • val (Number) —

    Value

Raises:

  • (NotImplementedError) 


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# File 'lib/rpm/package.rb', line 50

def add_int32(_tag, _val)
  raise NotImplementedError
end

#add_string(_tag, _val) ⇒ Object

Add a binary value to the package header

Parameters:

  • tag (Number) —

    Tag

  • val (String) —

    String to add

Raises:

  • (NotImplementedError) 


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# File 'lib/rpm/package.rb', line 64

def add_string(_tag, _val)
  raise NotImplementedError
end

#add_string_array(_tag, _val) ⇒ Object

Add a list of strings to the package header

Parameters:

  • tag (Number) —

    Tag

  • val (Array<String>) —

    Strings to add

Raises:

  • (NotImplementedError) 


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# File 'lib/rpm/package.rb', line 57

def add_string_array(_tag, _val)
  raise NotImplementedError
end

#arch ⇒ String

Returns This package architecture.

Returns:

  • (String) —

    This package architecture



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# File 'lib/rpm/package.rb', line 255

def arch
  self[:arch]
end

#changelog ⇒ Array<RPM::Changelog>

Returns changelog of the package as an array.

Returns:

  • (Array<RPM::Changelog>) —

    changelog of the package as an array



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# File 'lib/rpm/package.rb', line 181

def changelog
  entries = []
  nametd = ::FFI::AutoPointer.new(RPM::C.rpmtdNew, Package.method(:release_td))
  timetd = ::FFI::AutoPointer.new(RPM::C.rpmtdNew, Package.method(:release_td))
  texttd = ::FFI::AutoPointer.new(RPM::C.rpmtdNew, Package.method(:release_td))

  min = RPM::C::HEADERGET_MINMEM
  return deps if RPM::C.headerGet(@hdr, :changelogtime, timetd, min) != 1
  return deps if RPM::C.headerGet(@hdr, :changelogname, nametd, min) != 1
  return deps if RPM::C.headerGet(@hdr, :changelogtext, texttd, min) != 1

  RPM::C.rpmtdInit(timetd)
  while RPM::C.rpmtdNext(timetd) != -1
    entry = RPM::ChangeLog.new
    entry.time = RPM::C.rpmtdGetUint32(timetd)
    entry.name = RPM::C.rpmtdNextString(nametd)
    entry.text = RPM::C.rpmtdNextString(texttd)
    entries << entry
  end
  entries
end

#conflicts ⇒ Array<RPM::Conflicts>

Returns Conflicts list for this package.

Returns:

  • (Array<RPM::Conflicts>) —

    Conflicts list for this package



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# File 'lib/rpm/package.rb', line 171

def conflicts
  dependencies(RPM::Conflict, :conflictname, :conflictversion, :conflictflags)
end

#delete_tag(_tag) ⇒ Object

Deletes a tag of the package header

Parameters:

  • tag (Number) —

    Tag

Raises:

  • (NotImplementedError) 


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# File 'lib/rpm/package.rb', line 77

def delete_tag(_tag)
  raise NotImplementedError
end

#files ⇒ Array<RPM::File>

Returns File list for this package.

Returns:

  • (Array<RPM::File>) —

    File list for this package



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# File 'lib/rpm/package.rb', line 97

def files
  basenames = self[:basenames]

  return [] if basenames.nil?

  dirnames = self[:dirnames]
  diridxs = self[:dirindexes]
  statelist = self[:filestates]
  flaglist = self[:fileflags]
  sizelist = self[:filesizes]
  modelist = self[:filemodes]
  mtimelist = self[:filemtimes]
  rdevlist = self[:filerdevs]
  linklist = self[:filelinktos]
  md5list = self[:filemd5s]
  ownerlist = self[:fileusername]
  grouplist = self[:filegroupname]

  ret = []

  basenames.each_with_index do |_basename, i|
    file = RPM::File.new("#{dirnames[diridxs[i]]}#{basenames[i]}",
                         md5list[i],
                         linklist[i],
                         sizelist[i],
                         mtimelist[i],
                         ownerlist[i],
                         grouplist[i],
                         rdevlist[i],
                         modelist[i],
                         flaglist.nil? ? RPM::C::FileAttrs[:none] : flaglist[i],
                         statelist.nil? ? RPM::C::FileState[:normal] : statelist[i])
    ret << file
  end
  ret
end

#initialize_from_filename(filename) ⇒ Object 



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# File 'lib/rpm/package.rb', line 310

def initialize_from_filename(filename)
  # it sucks not using the std File.open here
  hdr = ::FFI::MemoryPointer.new(:pointer)
  fd = nil
  begin
    fd = RPM::C.Fopen(filename, 'r')
    raise "#{filename} : #{RPM::C.Fstrerror(fd)}" if RPM::C.Ferror(fd) != 0
    RPM.transaction do |ts|
      RPM::C.rpmReadPackageFile(ts.ptr, fd, filename, hdr)
    end
  ensure
    RPM::C.Fclose(fd) unless fd.nil?
  end
  initialize_from_header(hdr.get_pointer(0))
end

#load(_data) ⇒ Package

Create a new package object from data

Parameters:

  • str (String) —

    Header data

Returns:

Raises:

  • (NotImplementedError) 


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# File 'lib/rpm/package.rb', line 11

def load(_data)
  raise NotImplementedError
end

#name ⇒ String

Returns This package name.

Returns:

  • (String) —

    This package name



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# File 'lib/rpm/package.rb', line 250

def name
  self[:name]
end

#obsoletes ⇒ Array<RPM::Obsolete>

Returns Obsoletes list for this package.

Returns:



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# File 'lib/rpm/package.rb', line 176

def obsoletes
  dependencies(RPM::Obsolete, :obsoletename, :obsoleteversion, :obsoleteflags)
end

#provides ⇒ Array<RPM::Provide>

Returns Provides list for this package.

Returns:



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# File 'lib/rpm/package.rb', line 161

def provides
  dependencies(RPM::Provide, :providename, :provideversion, :provideflags)
end

#requires ⇒ Array<RPM::Require>

Returns Requires list for this package.

Returns:



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# File 'lib/rpm/package.rb', line 166

def requires
  dependencies(RPM::Require, :requirename, :requireversion, :requireflags)
end

#signature ⇒ Number

Returns This package signature.

Returns:

  • (Number) —

    This package signature



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# File 'lib/rpm/package.rb', line 92

def signature
  sprintf('%{sigmd5}')
end

#sprintf(fmt) ⇒ Object

Returns a formated string.

Examples:

pkg.sprintf("%{name}") => "apache2"

Returns:

  • a formated string



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# File 'lib/rpm/package.rb', line 84

def sprintf(fmt)
  error = ::FFI::MemoryPointer.new(:pointer, 1)
  val = RPM::C.headerFormat(@hdr, fmt, error)
  raise error.get_pointer(0).read_string if val.null?
  val.read_string
end

#to_s ⇒ String

String representation of the package: “name-version-release-arch”

Returns:

  • (String) 


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# File 'lib/rpm/package.rb', line 268

def to_s
  return '' if name.nil?
  return name if version.nil?
  return "#{name}-#{version}" if arch.nil?
  "#{name}-#{version}-#{arch}"
end

#version ⇒ Version

Returns Version for this package.

Returns:

  • (Version) —

    Version for this package



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# File 'lib/rpm/package.rb', line 262

def version
  Version.new(self[:version], self[:release], self[:epoch])
end