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 19

def self.create(name, version)
  if not name.is_a?(String)
    raise TypeError, "illegal argument type: name should be String"
  end
  if not 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 293

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 223

def [](tag)
  val = nil
  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 = case
    when count > 1 then true
    when ret_type == :array_return_type then true
    when type == :string_array_type then true
    else false
  end

  if is_array
    ret = []
    RPM::C.rpmtdInit(tagc)
    while RPM::C.rpmtdNext(tagc) != -1
      ret << RPM::C.send(method_name, tagc)
    end
    return ret
  end
  
  return 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 75

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 43

def add_dependency(dep)
  unless dep.is_a?(Dependency)
    raise TypeError.new("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 54

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 68

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 61

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 265

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 187

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 177

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 81

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 101

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 328

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')
    if RPM::C.Ferror(fd) != 0
      raise "#{filename} : #{RPM::C.Fstrerror(fd)}"
    end
    RPM.transaction do |ts|
      rc = 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 15

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 260

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 182

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 167

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 172

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 96

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 88

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 286

def to_s
  return "" if name.nil?
  return name if version.nil?
  return "#{name}-#{version}" if arch.nil?
  return "#{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 272

def version
  v_ptr = ::FFI::MemoryPointer.new(:pointer, 1)
  r_ptr = ::FFI::MemoryPointer.new(:pointer, 1)

  RPM::C.headerNVR(ptr, nil, v_ptr, r_ptr)
  v = v_ptr.read_pointer.read_string
  r = r_ptr.read_pointer.read_string
  v_ptr.free
  r_ptr.free
  Version.new(v, r, self[:epoch])
end