Class: Tab

Inherits:
AbstractTab show all
Defined in:
tab.rb

Constant Summary

Constants inherited from AbstractTab

AbstractTab::FILENAME

Instance Attribute Summary collapse

Attributes inherited from AbstractTab

#arch, #built_on, #homebrew_version, #installed_as_dependency, #installed_on_request, #loaded_from_api, #source, #tabfile, #time

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from AbstractTab

from_file, #initialize, #parsed_homebrew_version, #tap, #tap=

Methods included from Cachable

#cache, #clear_cache

Constructor Details

This class inherits a constructor from AbstractTab

Instance Attribute Details

#aliasesObject

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns the value of attribute aliases.



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# File 'tab.rb', line 140

def aliases
  @aliases
end

#built_as_bottleObject

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns the value of attribute built_as_bottle.



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# File 'tab.rb', line 140

def built_as_bottle
  @built_as_bottle
end

#changed_filesObject

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns the value of attribute changed_files.



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# File 'tab.rb', line 140

def changed_files
  @changed_files
end

#compilerObject



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# File 'tab.rb', line 348

def compiler
  @compiler || DevelopmentTools.default_compiler
end

#poured_from_bottleObject

This method is part of an internal API. This method may only be used internally in repositories owned by Homebrew, except in casks or formulae. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Check whether the formula was poured from a bottle.



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# File 'tab.rb', line 138

def poured_from_bottle
  @poured_from_bottle
end

#source_modified_timeTime

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



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# File 'tab.rb', line 393

def source_modified_time
  Time.at(@source_modified_time || 0)
end

#stdlibObject

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns the value of attribute stdlib.



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# File 'tab.rb', line 140

def stdlib
  @stdlib
end

#tapped_fromObject (readonly)

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns the value of attribute tapped_from.



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# File 'tab.rb', line 142

def tapped_from
  @tapped_from
end

#unused_optionsObject



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# File 'tab.rb', line 344

def unused_options
  Options.create(@unused_options)
end

#used_optionsOptions

This method is part of an internal API. This method may only be used internally in repositories owned by Homebrew, except in casks or formulae. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

The options used to install the formula.

Returns:



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# File 'tab.rb', line 340

def used_options
  Options.create(@used_options)
end

Class Method Details

.create(formula, compiler, stdlib) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Instantiates a Tab for a new installation of a formula.



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# File 'tab.rb', line 145

def self.create(formula, compiler, stdlib)
  tab = super(formula)
  build = formula.build
  runtime_deps = formula.runtime_dependencies(undeclared: false)

  tab.used_options = build.used_options.as_flags
  tab.unused_options = build.unused_options.as_flags
  tab.tabfile = formula.prefix/FILENAME
  tab.built_as_bottle = build.bottle?
  tab.poured_from_bottle = false
  tab.source_modified_time = formula.source_modified_time.to_i
  tab.compiler = compiler
  tab.stdlib = stdlib
  tab.aliases = formula.aliases
  tab.runtime_dependencies = Tab.runtime_deps_hash(formula, runtime_deps)
  tab.source["spec"] = formula.active_spec_sym.to_s
  tab.source["path"] = formula.specified_path.to_s
  tab.source["versions"] = {
    "stable"         => formula.stable&.version&.to_s,
    "head"           => formula.head&.version&.to_s,
    "version_scheme" => formula.version_scheme,
  }

  tab
end

.emptyObject



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# File 'tab.rb', line 276

def self.empty
  tab = super

  tab.used_options = []
  tab.unused_options = []
  tab.built_as_bottle = false
  tab.poured_from_bottle = false
  tab.source_modified_time = 0
  tab.stdlib = nil
  tab.compiler = DevelopmentTools.default_compiler
  tab.aliases = []
  tab.source["spec"] = "stable"
  tab.source["versions"] = empty_source_versions

  tab
end

.for_formula(formula) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns a Tab for an already installed formula, or a fake one if the formula is not installed.



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# File 'tab.rb', line 237

def self.for_formula(formula)
  paths = []

  paths << formula.opt_prefix.resolved_path if formula.opt_prefix.symlink? && formula.opt_prefix.directory?

  paths << formula.linked_keg.resolved_path if formula.linked_keg.symlink? && formula.linked_keg.directory?

  if (dirs = formula.installed_prefixes).length == 1
    paths << dirs.first
  end

  paths << formula.latest_installed_prefix

  path = paths.map { |pathname| pathname/FILENAME }.find(&:file?)

  if path
    tab = from_file(path)
    used_options = remap_deprecated_options(formula.deprecated_options, tab.used_options)
    tab.used_options = used_options.as_flags
  else
    # Formula is not installed. Return a fake tab.
    tab = empty
    tab.unused_options = formula.options.as_flags
    tab.source = {
      "path"         => formula.specified_path.to_s,
      "tap"          => formula.tap&.name,
      "tap_git_head" => formula.tap_git_head,
      "spec"         => formula.active_spec_sym.to_s,
      "versions"     => {
        "stable"         => formula.stable&.version&.to_s,
        "head"           => formula.head&.version&.to_s,
        "version_scheme" => formula.version_scheme,
      },
    }
  end

  tab
end

.for_keg(keg) ⇒ T.attached_class

This method is part of an internal API. This method may only be used internally in repositories owned by Homebrew, except in casks or formulae. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Get the Tab for the given Keg, or a fake one if the formula is not installed.

Parameters:

Returns:

  • (T.attached_class)


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# File 'tab.rb', line 205

def self.for_keg(keg)
  path = keg/FILENAME

  tab = if path.exist?
    from_file(path)
  else
    empty
  end

  tab.tabfile = path
  tab
end

.for_name(name) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns a Tab for the named formula's installation, or a fake one if the formula is not installed.



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# File 'tab.rb', line 220

def self.for_name(name)
  for_formula(Formulary.factory(name))
end

.from_file_content(content, path) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Like AbstractTab.from_file, but bypass the cache.



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# File 'tab.rb', line 172

def self.from_file_content(content, path)
  tab = super

  tab.source_modified_time ||= 0
  tab.source ||= {}

  tab.tap = tab.tapped_from if !tab.tapped_from.nil? && tab.tapped_from != "path or URL"
  tab.tap = "homebrew/core" if tab.tap == "mxcl/master" || tab.tap == "Homebrew/homebrew"

  if tab.source["spec"].nil?
    version = PkgVersion.parse(File.basename(File.dirname(path)))
    tab.source["spec"] = if version.head?
      "head"
    else
      "stable"
    end
  end

  tab.source["versions"] ||= empty_source_versions

  # Tabs created with Homebrew 1.5.13 through 4.0.17 inclusive created empty string versions in some cases.
  ["stable", "head"].each do |spec|
    tab.source["versions"][spec] = tab.source["versions"][spec].presence
  end

  tab
end

.remap_deprecated_options(deprecated_options, options) ⇒ Object



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# File 'tab.rb', line 224

def self.remap_deprecated_options(deprecated_options, options)
  deprecated_options.each do |deprecated_option|
    option = options.find { |o| o.name == deprecated_option.old }
    next unless option

    options -= [option]
    options << Option.new(deprecated_option.current, option.description)
  end
  options
end

.runtime_deps_hash(formula, deps) ⇒ Object



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# File 'tab.rb', line 302

def self.runtime_deps_hash(formula, deps)
  deps.map do |dep|
    formula_to_dep_hash(dep.to_formula, formula.deps.map(&:name))
  end
end

Instance Method Details

#any_args_or_options?Boolean

Returns:

  • (Boolean)


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# File 'tab.rb', line 308

def any_args_or_options?
  !used_options.empty? || !unused_options.empty?
end

#bottle?Boolean

Returns:

  • (Boolean)


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# File 'tab.rb', line 368

def bottle?
  built_as_bottle
end

#built_bottle?Boolean

Returns:

  • (Boolean)


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# File 'tab.rb', line 364

def built_bottle?
  built_as_bottle && !poured_from_bottle
end

#cxxstdlibObject



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# File 'tab.rb', line 358

def cxxstdlib
  # Older tabs won't have these values, so provide sensible defaults
  lib = stdlib.to_sym if stdlib
  CxxStdlib.create(lib, compiler.to_sym)
end

#head?Boolean

Returns:

  • (Boolean)


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# File 'tab.rb', line 328

def head?
  spec == :head
end

#head_versionObject



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# File 'tab.rb', line 384

def head_version
  versions["head"]&.then { Version.new(_1) }
end

#include?(opt) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'tab.rb', line 324

def include?(opt)
  used_options.include? opt
end

#runtime_dependenciesObject



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# File 'tab.rb', line 352

def runtime_dependencies
  # Homebrew versions prior to 1.1.6 generated incorrect runtime dependency
  # lists.
  @runtime_dependencies if parsed_homebrew_version >= "1.1.6"
end

#specObject



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# File 'tab.rb', line 372

def spec
  source["spec"].to_sym
end

#stable?Boolean

Returns:

  • (Boolean)


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# File 'tab.rb', line 332

def stable?
  spec == :stable
end

#stable_versionObject



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# File 'tab.rb', line 380

def stable_version
  versions["stable"]&.then { Version.new(_1) }
end

#to_bottle_hashObject

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

A subset of to_json that we care about for bottles.



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# File 'tab.rb', line 424

def to_bottle_hash
  attributes = {
    "homebrew_version"     => homebrew_version,
    "changed_files"        => changed_files&.map(&:to_s),
    "source_modified_time" => source_modified_time.to_i,
    "stdlib"               => stdlib&.to_s,
    "compiler"             => compiler&.to_s,
    "runtime_dependencies" => runtime_dependencies,
    "arch"                 => arch,
    "built_on"             => built_on,
  }
  attributes.delete("stdlib") if attributes["stdlib"].blank?
  attributes
end

#to_json(options = nil) ⇒ Object



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# File 'tab.rb', line 397

def to_json(options = nil)
  attributes = {
    "homebrew_version"        => homebrew_version,
    "used_options"            => used_options.as_flags,
    "unused_options"          => unused_options.as_flags,
    "built_as_bottle"         => built_as_bottle,
    "poured_from_bottle"      => poured_from_bottle,
    "loaded_from_api"         => loaded_from_api,
    "installed_as_dependency" => installed_as_dependency,
    "installed_on_request"    => installed_on_request,
    "changed_files"           => changed_files&.map(&:to_s),
    "time"                    => time,
    "source_modified_time"    => source_modified_time.to_i,
    "stdlib"                  => stdlib&.to_s,
    "compiler"                => compiler&.to_s,
    "aliases"                 => aliases,
    "runtime_dependencies"    => runtime_dependencies,
    "source"                  => source,
    "arch"                    => arch,
    "built_on"                => built_on,
  }
  attributes.delete("stdlib") if attributes["stdlib"].blank?

  JSON.pretty_generate(attributes, options)
end

#version_schemeObject



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# File 'tab.rb', line 388

def version_scheme
  versions["version_scheme"] || 0
end

#versionsObject



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# File 'tab.rb', line 376

def versions
  source["versions"]
end

#with?(val) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'tab.rb', line 312

def with?(val)
  option_names = val.respond_to?(:option_names) ? val.option_names : [val]

  option_names.any? do |name|
    include?("with-#{name}") || unused_options.include?("without-#{name}")
  end
end

#without?(val) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'tab.rb', line 320

def without?(val)
  !with?(val)
end

#writeObject



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# File 'tab.rb', line 439

def write
  # If this is a new installation, the cache of installed formulae
  # will no longer be valid.
  Formula.clear_cache unless tabfile.exist?

  super
end