Class: Y2Packager::Package

Inherits:
Object
  • Object
show all
Includes:
Yast::Logger
Defined in:
library/packages/src/lib/y2packager/package.rb

Overview

This class represents a libzypp package and it offers an API to common operations.

The idea is extending this class with new methods when needed.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, repo_id, version) ⇒ Package

Constructor



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# File 'library/packages/src/lib/y2packager/package.rb', line 73

def initialize(name, repo_id, version)
  @name = name
  @repo_id = repo_id
  @version = version
end

Instance Attribute Details

#name ⇒ String (readonly) 



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# File 'library/packages/src/lib/y2packager/package.rb', line 30

def name
  @name
end

#repo_id ⇒ Integer (readonly) 



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# File 'library/packages/src/lib/y2packager/package.rb', line 32

def repo_id
  @repo_id
end

#version ⇒ String (readonly) 



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# File 'library/packages/src/lib/y2packager/package.rb', line 34

def version
  @version
end

Class Method Details

.find(name) ⇒ Array<Package>?

Find packages by name



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# File 'library/packages/src/lib/y2packager/package.rb', line 42

def find(name)
  resolvables = Yast::Pkg.Resolvables({ kind: :package, name: name },
    [:name, :source, :version])

  return nil if resolvables.nil?

  resolvables.map { |i| new(i["name"], i["source"], i["version"]) }
end

.last_version(name, statuses: [:available, :selected]) ⇒ Y2Packager::Package?

Find the highest version of requested package with given statuses



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# File 'library/packages/src/lib/y2packager/package.rb', line 57

def last_version(name, statuses: [:available, :selected])
  packages = find(name)

  return nil unless packages

  packages
    .select { |i| statuses.include?(i.status) }
    .max { |a, b| Yast::Pkg.CompareVersions(a.version, b.version) }
end

Instance Method Details

#download_to(path) ⇒ Object

Download a package to the given path

Raises:

  • PackageFetchError

See Also:



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# File 'library/packages/src/lib/y2packager/package.rb', line 106

def download_to(path)
  downloader = Packages::PackageDownloader.new(repo_id, name)
  downloader.download(path.to_s)
end

#extract_to(directory) ⇒ Object

Download and extract the package to the given directory

Raises:

  • PackageFetchError

  • PackageExtractionError

See Also:



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# File 'library/packages/src/lib/y2packager/package.rb', line 117

def extract_to(directory)
  tmpfile = Tempfile.new("downloaded-package-#{name}-")
  download_to(tmpfile.path)
  extractor = Packages::PackageExtractor.new(tmpfile.path)
  extractor.extract(directory.to_s)
ensure
  tmpfile.close
  tmpfile.unlink
end

#status ⇒ Symbol

Return package status

Ask libzypp about package status.

See Also:

  • Yast::Pkg.Resolvables


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# File 'library/packages/src/lib/y2packager/package.rb', line 85

def status
  resolvables = Yast::Pkg.Resolvables({ kind: :package, name: name,
    version: version, source: repo_id }, [:status])

  log.warn "Found multiple resolvables: #{resolvables}" if resolvables.size > 1

  resolvable = resolvables.first

  if !resolvable
    log.warn "Resolvable not found: #{name}-#{version} from repo #{repo_id}"
    return nil
  end

  resolvable["status"]
end