Module: Homebrew::Install Private

Included in:
Cmd::GistLogs
Defined in:
install.rb,
extend/os/linux/install.rb

Overview

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

Helper module for performing (pre-)install checks.

Class Method Summary collapse

Class Method Details

.check_prefix ⇒ 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. 



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# File 'install.rb', line 32

def check_prefix
  if (Hardware::CPU.intel? || Hardware::CPU.in_rosetta2?) &&
     HOMEBREW_PREFIX.to_s == HOMEBREW_MACOS_ARM_DEFAULT_PREFIX
    if Hardware::CPU.in_rosetta2?
      odie <<~EOS
        Cannot install under Rosetta 2 in ARM default prefix (#{HOMEBREW_PREFIX})!
        To rerun under ARM use:
            arch -arm64 brew install ...
        To install under x86_64, install Homebrew into #{HOMEBREW_DEFAULT_PREFIX}.
      EOS
    else
      odie "Cannot install on Intel processor in ARM default prefix (#{HOMEBREW_PREFIX})!"
    end
  elsif Hardware::CPU.arm? && HOMEBREW_PREFIX.to_s == HOMEBREW_DEFAULT_PREFIX
    odie <<~EOS
      Cannot install in Homebrew on ARM processor in Intel default prefix (#{HOMEBREW_PREFIX})!
      Please create a new installation in #{HOMEBREW_MACOS_ARM_DEFAULT_PREFIX} using one of the
      "Alternative Installs" from:
        #{Formatter.url("https://docs.brew.sh/Installation")}
      You can migrate your previously installed formula list with:
        brew bundle dump
    EOS
  end
end

.global_post_install ⇒ Object Also known as: generic_global_post_install

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. 



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# File 'extend/os/linux/install.rb', line 39

def self.global_post_install
  generic_global_post_install
  symlink_ld_so
  setup_preferred_gcc_libs
end

.install_formula?(formula, head: false, fetch_head: false, only_dependencies: false, force: false, quiet: false) ⇒ Boolean

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:

  • (Boolean) 


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# File 'install.rb', line 57

def install_formula?(
  formula,
  head: false,
  fetch_head: false,
  only_dependencies: false,
  force: false,
  quiet: false
)
  # head-only without --HEAD is an error
  if !head && formula.stable.nil?
    odie <<~EOS
      #{formula.full_name} is a head-only formula.
      To install it, run:
        brew install --HEAD #{formula.full_name}
    EOS
  end

  # --HEAD, fail with no head defined
  odie "No head is defined for #{formula.full_name}" if head && formula.head.nil?

  installed_head_version = formula.latest_head_version
  if installed_head_version &&
     !formula.head_version_outdated?(installed_head_version, fetch_head:)
    new_head_installed = true
  end
  prefix_installed = formula.prefix.exist? && !formula.prefix.children.empty?

  if formula.keg_only? && formula.any_version_installed? && formula.optlinked? && !force
    # keg-only install is only possible when no other version is
    # linked to opt, because installing without any warnings can break
    # dependencies. Therefore before performing other checks we need to be
    # sure the --force switch is passed.
    if formula.outdated?
      if !Homebrew::EnvConfig.no_install_upgrade? && !formula.pinned?
        name = formula.name
        version = formula.linked_version
        puts "#{name} #{version} is already installed but outdated (so it will be upgraded)."
        return true
      end

      unpin_cmd_if_needed = ("brew unpin #{formula.full_name} && " if formula.pinned?)
      optlinked_version = Keg.for(formula.opt_prefix).version
      onoe <<~EOS
        #{formula.full_name} #{optlinked_version} is already installed.
        To upgrade to #{formula.version}, run:
          #{unpin_cmd_if_needed}brew upgrade #{formula.full_name}
      EOS
    elsif only_dependencies
      return true
    elsif !quiet
      opoo <<~EOS
        #{formula.full_name} #{formula.pkg_version} is already installed and up-to-date.
        To reinstall #{formula.pkg_version}, run:
          brew reinstall #{formula.name}
      EOS
    end
  elsif (head && new_head_installed) || prefix_installed
    # After we're sure the --force switch was passed for linking to opt
    # keg-only we need to be sure that the version we're attempting to
    # install is not already installed.

    installed_version = if head
      formula.latest_head_version
    else
      formula.pkg_version
    end

    msg = "#{formula.full_name} #{installed_version} is already installed"
    linked_not_equals_installed = formula.linked_version != installed_version
    if formula.linked? && linked_not_equals_installed
      msg = if quiet
        nil
      else
        <<~EOS
          #{msg}.
          The currently linked version is: #{formula.linked_version}
        EOS
      end
    elsif only_dependencies
      msg = nil
      return true
    elsif !formula.linked? || formula.keg_only?
      msg = <<~EOS
        #{msg}, it's just not linked.
        To link this version, run:
          brew link #{formula}
      EOS
    else
      msg = if quiet
        nil
      else
        <<~EOS
          #{msg} and up-to-date.
          To reinstall #{formula.pkg_version}, run:
            brew reinstall #{formula.name}
        EOS
      end
    end
    opoo msg if msg
  elsif !formula.any_version_installed? && (old_formula = formula.old_installed_formulae.first)
    msg = "#{old_formula.full_name} #{old_formula.any_installed_version} already installed"
    msg = if !old_formula.linked? && !old_formula.keg_only?
      <<~EOS
        #{msg}, it's just not linked.
        To link this version, run:
          brew link #{old_formula.full_name}
      EOS
    elsif quiet
      nil
    else
      "#{msg}."
    end
    opoo msg if msg
  elsif formula.migration_needed? && !force
    # Check if the formula we try to install is the same as installed
    # but not migrated one. If --force is passed then install anyway.
    opoo <<~EOS
      #{formula.oldnames_to_migrate.first} is already installed, it's just not migrated.
      To migrate this formula, run:
        brew migrate #{formula}
      Or to force-install it, run:
        brew install #{formula} --force
    EOS
  elsif formula.linked?
    message = "#{formula.name} #{formula.linked_version} is already installed"
    if formula.outdated? && !head
      if !Homebrew::EnvConfig.no_install_upgrade? && !formula.pinned?
        puts "#{message} but outdated (so it will be upgraded)."
        return true
      end

      unpin_cmd_if_needed = ("brew unpin #{formula.full_name} && " if formula.pinned?)
      onoe <<~EOS
        #{message}
        To upgrade to #{formula.pkg_version}, run:
          #{unpin_cmd_if_needed}brew upgrade #{formula.full_name}
      EOS
    elsif only_dependencies
      return true
    else
      onoe <<~EOS
        #{message}
        To install #{formula.pkg_version}, first run:
          brew unlink #{formula.name}
      EOS
    end
  else
    # If none of the above is true and the formula is linked, then
    # FormulaInstaller will handle this case.
    return true
  end

  # Even if we don't install this formula mark it as no longer just
  # installed as a dependency.
  return false unless formula.opt_prefix.directory?

  keg = Keg.new(formula.opt_prefix.resolved_path)
  tab = keg.tab
  unless tab.installed_on_request
    tab.installed_on_request = true
    tab.write
  end

  false
end

.install_formulae(formulae_to_install, build_bottle: false, force_bottle: false, bottle_arch: nil, ignore_deps: false, only_deps: false, include_test_formulae: [], build_from_source_formulae: [], cc: nil, git: false, interactive: false, keep_tmp: false, debug_symbols: false, force: false, overwrite: false, debug: false, quiet: false, verbose: false, dry_run: false, skip_post_install: false) ⇒ 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. 



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# File 'install.rb', line 223

def install_formulae(
  formulae_to_install,
  build_bottle: false,
  force_bottle: false,
  bottle_arch: nil,
  ignore_deps: false,
  only_deps: false,
  include_test_formulae: [],
  build_from_source_formulae: [],
  cc: nil,
  git: false,
  interactive: false,
  keep_tmp: false,
  debug_symbols: false,
  force: false,
  overwrite: false,
  debug: false,
  quiet: false,
  verbose: false,
  dry_run: false,
  skip_post_install: false
)
  formula_installers = formulae_to_install.filter_map do |formula|
    Migrator.migrate_if_needed(formula, force:, dry_run:)
    build_options = formula.build

    formula_installer = FormulaInstaller.new(
      formula,
      options:                    build_options.used_options,
      build_bottle:,
      force_bottle:,
      bottle_arch:,
      ignore_deps:,
      only_deps:,
      include_test_formulae:,
      build_from_source_formulae:,
      cc:,
      git:,
      interactive:,
      keep_tmp:,
      debug_symbols:,
      force:,
      overwrite:,
      debug:,
      quiet:,
      verbose:,
      skip_post_install:,
    )

    begin
      unless dry_run
        formula_installer.prelude
        formula_installer.fetch
      end
      formula_installer
    rescue CannotInstallFormulaError => e
      ofail e.message
      nil
    rescue UnsatisfiedRequirements, DownloadError, ChecksumMismatchError => e
      ofail "#{formula}: #{e}"
      nil
    end
  end

  if dry_run
    if (formulae_name_to_install = formulae_to_install.map(&:name))
      ohai "Would install #{Utils.pluralize("formula", formulae_name_to_install.count,
                                            plural: "e", include_count: true)}:"
      puts formulae_name_to_install.join(" ")

      formula_installers.each do |fi|
        print_dry_run_dependencies(fi.formula, fi.compute_dependencies, &:name)
      end
    end
    return
  end

  formula_installers.each do |fi|
    install_formula(fi)
    Cleanup.install_formula_clean!(fi.formula)
  end
end

.perform_build_from_source_checks(all_fatal: false) ⇒ 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. 



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# File 'install.rb', line 24

def perform_build_from_source_checks(all_fatal: false)
  Diagnostic.checks(:fatal_build_from_source_checks)
  Diagnostic.checks(:build_from_source_checks, fatal: all_fatal)
end

.perform_preinstall_checks(all_fatal: false, cc: nil) ⇒ Object Also known as: generic_perform_preinstall_checks

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. 



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# File 'extend/os/linux/install.rb', line 33

def self.perform_preinstall_checks(all_fatal: false, cc: nil)
  generic_perform_preinstall_checks(all_fatal:, cc:)
  symlink_ld_so
  setup_preferred_gcc_libs
end

.print_dry_run_dependencies(formula, dependencies) ⇒ 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. 



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# File 'install.rb', line 306

def print_dry_run_dependencies(formula, dependencies)
  return if dependencies.empty?

  ohai "Would install #{Utils.pluralize("dependenc", dependencies.count, plural: "ies", singular: "y",
                                      include_count: true)} for #{formula.name}:"
  formula_names = dependencies.map { |(dep, _options)| yield dep.to_formula }
  puts formula_names.join(" ")
end