Class: Migrator Private

Inherits:
Object show all
Extended by:
Utils::Output::Mixin
Includes:
Context, Utils::Output::Mixin
Defined in:
migrator.rb

Overview

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

Helper class for migrating a formula from an old to a new name.

Defined Under Namespace

Classes: MigrationNeededError, MigratorDifferentTapsError, MigratorNoOldpathError

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Utils::Output::Mixin

issue_reporting_message, odebug, odeprecated, odie, odisabled, ofail, oh1, oh1_title, ohai, ohai_title, onoe, opoo, opoo_outside_github_actions, opoo_without_github_actions_annotation, pretty_cannot_install, pretty_deprecated, pretty_disabled, pretty_duration, pretty_install_status, pretty_installed, pretty_uninstalled, pretty_unmarked, pretty_upgradable, pretty_warning

Methods included from Context

current, current=, #debug?, #deferred_environment_expansion?, #quiet?, #verbose?, #with_context

Constructor Details

#initialize(formula, oldname, force: false) ⇒ void

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.

Parameters:

  • formula (Formula)
  • oldname (String)
  • force (Boolean) (defaults to: false)

Raises:



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# File 'migrator.rb', line 151

def initialize(formula, oldname, force: false)
  @oldname = oldname
  @newname = T.let(formula.name, String)

  @formula = formula
  @old_cellar = T.let(HOMEBREW_CELLAR/oldname, Pathname)
  raise MigratorNoOldpathError, oldname unless old_cellar.exist?

  @old_tabs = T.let(old_cellar.subdirs.map { |d| Keg.new(d).tab }, T::Array[Tab])
  first_tab = old_tabs.first
  @old_tap = T.let(first_tab&.tap, T.nilable(Tap))

  raise MigratorDifferentTapsError.new(formula, oldname, old_tap) if !force && !from_same_tap_user?

  @new_cellar = T.let(HOMEBREW_CELLAR/formula.name, Pathname)
  @new_cellar_existed = T.let(@new_cellar.exist?, T::Boolean)

  @old_linked_kegs = T.let(linked_old_linked_kegs, T::Array[Keg])
  @old_full_linked_kegs = T.let([], T::Array[Keg])
  @old_opt_records = T.let([], T::Array[Pathname])
  old_linked_kegs.each do |old_linked_keg|
    @old_full_linked_kegs << old_linked_keg if old_linked_keg.linked?
    @old_opt_records << old_linked_keg.opt_record if old_linked_keg.optlinked?
  end
  @new_linked_keg_record = T.let(nil, T.nilable(Pathname))
  unless old_linked_kegs.empty?
    @new_linked_keg_record = HOMEBREW_CELLAR/"#{newname}/#{File.basename(old_linked_kegs.first.to_s)}"
  end

  @old_pin_record = T.let(HOMEBREW_PINNED_KEGS/oldname, Pathname)
  @new_pin_record = T.let(HOMEBREW_PINNED_KEGS/newname, Pathname)
  @pinned = T.let(old_pin_record.symlink?, T::Boolean)
  @old_pin_link_record = T.let(old_pin_record.symlink? ? old_pin_record.readlink : nil, T.nilable(Pathname))
end

Instance Attribute Details

#formula ⇒ Formula (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.

Instance of renamed formula.

Returns:



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# File 'migrator.rb', line 57

def formula
  @formula
end

#new_cellar ⇒ Pathname (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.

Path to newname Cellar according to new name.

Returns:



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# File 'migrator.rb', line 101

def new_cellar
  @new_cellar
end

#new_cellar_existed ⇒ Boolean (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.

True if new Cellar existed at initialization time.

Returns:

  • (Boolean) 


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# File 'migrator.rb', line 105

def new_cellar_existed
  @new_cellar_existed
end

#new_linked_keg_record ⇒ Pathname? (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.

Path to newname keg that will be linked if old_linked_keg isn't nil.

Returns:



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# File 'migrator.rb', line 113

def new_linked_keg_record
  @new_linked_keg_record
end

#new_pin_record ⇒ Pathname (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.

Path to newname pin.

Returns:



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# File 'migrator.rb', line 109

def new_pin_record
  @new_pin_record
end

#newname ⇒ String (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.

New name of the formula.

Returns:



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# File 'migrator.rb', line 97

def newname
  @newname
end

#old_cellar ⇒ Pathname (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.

Path to oldname's Cellar.

Returns:



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# File 'migrator.rb', line 65

def old_cellar
  @old_cellar
end

#old_full_linked_kegs ⇒ Array<Keg> (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.

Oldname linked kegs that were fully linked.

Returns:



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# File 'migrator.rb', line 81

def old_full_linked_kegs
  @old_full_linked_kegs
end

#old_linked_kegs ⇒ Array<Keg> (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.

Oldname linked kegs.

Returns:



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# File 'migrator.rb', line 77

def old_linked_kegs
  @old_linked_kegs
end

#old_opt_records ⇒ Array<Pathname> (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.

Path to oldname opt.

Returns:



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# File 'migrator.rb', line 73

def old_opt_records
  @old_opt_records
end

#old_pin_link_record ⇒ Pathname? (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.

Resolved path to oldname pin.

Returns:



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# File 'migrator.rb', line 93

def old_pin_link_record
  @old_pin_link_record
end

#old_pin_record ⇒ Pathname (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.

Path to oldname pin.

Returns:



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# File 'migrator.rb', line 69

def old_pin_record
  @old_pin_record
end

#old_tabs ⇒ Array<Tab> (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.

Tabs from oldname kegs.

Returns:



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# File 'migrator.rb', line 85

def old_tabs
  @old_tabs
end

#old_tap ⇒ Tap? (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.

Tap of the old name.

Returns:



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# File 'migrator.rb', line 89

def old_tap
  @old_tap
end

#oldname ⇒ String (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.

Old name of the formula.

Returns:



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# File 'migrator.rb', line 61

def oldname
  @oldname
end

Class Method Details

.migrate_if_needed(formula, force:, dry_run: false) ⇒ void

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.

This method returns an undefined value.

Parameters:

  • formula (Formula)
  • force (Boolean)
  • dry_run (Boolean) (defaults to: false) 


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# File 'migrator.rb', line 132

def self.migrate_if_needed(formula, force:, dry_run: false)
  oldnames = Migrator.oldnames_needing_migration(formula)

  begin
    oldnames.each do |oldname|
      if dry_run
        oh1 "Would migrate formula #{Formatter.identifier(oldname)} to #{Formatter.identifier(formula.name)}"
        next
      end

      migrator = Migrator.new(formula, oldname, force:)
      migrator.migrate
    end
  rescue => e
    onoe e
  end
end

.needs_migration?(formula) ⇒ 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.

Parameters:

Returns:

  • (Boolean) 


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# File 'migrator.rb', line 127

def self.needs_migration?(formula)
  !oldnames_needing_migration(formula).empty?
end

.oldnames_needing_migration(formula) ⇒ Array<String>

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.

Parameters:

Returns:



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# File 'migrator.rb', line 116

def self.oldnames_needing_migration(formula)
  formula.oldnames.select do |oldname|
    oldname_rack = HOMEBREW_CELLAR/oldname
    next false if oldname_rack.symlink?
    next false unless oldname_rack.directory?

    true
  end
end

Instance Method Details

#backup_old_tabs ⇒ void

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.

This method returns an undefined value.



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# File 'migrator.rb', line 522

def backup_old_tabs
  old_tabs.each(&:write)
end

#backup_oldname ⇒ void

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.

This method returns an undefined value.

Backup everything if errors occur while migrating.



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# File 'migrator.rb', line 477

def backup_oldname
  unlink_oldname_opt
  unlink_oldname_cellar
  backup_oldname_cellar
  backup_old_tabs

  if pinned? && !old_pin_record.symlink? && (old_pin_link = old_pin_link_record)
    src_oldname = (old_pin_record.dirname/old_pin_link).expand_path
    old_pin_record.make_relative_symlink(src_oldname)
    new_pin_record.delete
  end

  if new_cellar.exist?
    new_cellar.subdirs.each do |d|
      newname_keg = Keg.new(d)
      newname_keg.unlink(verbose: verbose?)
      newname_keg.uninstall unless new_cellar_existed
    end
  end

  return if old_linked_kegs.empty?

  # The keg used to be linked and when we backup everything we restore
  # Cellar/oldname, the target also gets restored, so we are able to
  # create a keg using its old path
  old_full_linked_kegs.each do |old_linked_keg|
    old_linked_keg.link(verbose: verbose?)
  rescue Keg::LinkError
    old_linked_keg.unlink(verbose: verbose?)
    raise
  rescue Keg::AlreadyLinkedError
    old_linked_keg.unlink(verbose: verbose?)
    retry
  end
  (old_linked_kegs - old_full_linked_kegs).each do |old_linked_keg|
    old_linked_keg.optlink(verbose: verbose?)
  end
end

#backup_oldname_cellar ⇒ void

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.

This method returns an undefined value.



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# File 'migrator.rb', line 517

def backup_oldname_cellar
  FileUtils.mv(new_cellar, old_cellar) unless old_cellar.exist?
end

#fix_tabs ⇒ void

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.

This method returns an undefined value.

Fix INSTALL_RECEIPTs for tap-migrated formula.



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# File 'migrator.rb', line 188

def fix_tabs
  old_tabs.each do |tab|
    tab.tap = formula.tap
    tab.write
  end
end

#from_same_tap_user? ⇒ 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 'migrator.rb', line 196

def from_same_tap_user?
  formula_tap_user = formula.tap&.user
  old_tap_user = nil

  new_tap = if (old_tap = self.old_tap)
    old_tap_user, = old_tap.user
    if (migrate_tap = old_tap.tap_migrations[oldname])
      Utils.tap_from_full_name(migrate_tap) || (migrate_tap if migrate_tap.include?("/"))
    end
  end

  if formula_tap_user == old_tap_user
    true
  # Homebrew didn't use to update tabs while performing tap-migrations,
  # so there can be `INSTALL_RECEIPT`s containing wrong information about tap,
  # so we check if there is an entry about oldname migrated to tap and if
  # newname's tap is the same as tap to which oldname migrated, then we
  # can perform migrations and the taps for oldname and newname are the same.
  elsif formula.tap && old_tap && formula.tap == new_tap
    fix_tabs
    true
  else
    false
  end
end

#link_newname ⇒ Integer?

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 'migrator.rb', line 370

def link_newname
  new_linked_keg_record = self.new_linked_keg_record
  return unless new_linked_keg_record

  oh1 "Relinking #{Formatter.identifier(newname)}"
  new_keg = Keg.new(new_linked_keg_record)

  # If old_keg wasn't linked then we just optlink a keg.
  # If old keg wasn't optlinked and linked, we don't call this method at all.
  # If formula is keg-only we also optlink it.
  if formula.keg_only? || old_full_linked_kegs.empty?
    begin
      new_keg.optlink(verbose: verbose?)
    rescue Keg::LinkError => e
      onoe "Failed to create #{formula.opt_prefix}"
      raise
    end
    return
  end

  new_keg.remove_linked_keg_record if new_keg.linked?

  begin
    new_keg.link(overwrite: true, verbose: verbose?)
  rescue Keg::ConflictError => e
    onoe "The `brew link` step did not complete successfully."
    puts e
    puts
    puts "Possible conflicting files are:"
    new_keg.link(dry_run: true, overwrite: true, verbose: verbose?)
    raise
  rescue Keg::LinkError => e
    onoe "The `brew link` step did not complete successfully."
    puts e
    puts
    puts "You can try again using:"
    puts "  brew link #{formula.name}"
  # Any exception means the `brew link` step did not complete.
  rescue Exception => e # rubocop:disable Lint/RescueException
    onoe "An unexpected error occurred during linking"
    puts e
    if debug?
      require "utils/backtrace"
      puts Utils::Backtrace.clean(e)
    end
    Utils::Interrupts.ignore { new_keg.unlink(verbose: verbose?) }
    raise
  end
end

#link_oldname_cellar ⇒ void

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.

This method returns an undefined value.

Remove Cellar/oldname if it exists.



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# File 'migrator.rb', line 461

def link_oldname_cellar
  old_cellar.delete if old_cellar.symlink? || old_cellar.exist?
  old_cellar.make_relative_symlink(formula.rack)
end

#link_oldname_opt ⇒ void

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.

This method returns an undefined value.

Link keg to opt if it was linked before migrating.



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# File 'migrator.rb', line 422

def link_oldname_opt
  new_linked_keg_record = self.new_linked_keg_record
  return unless new_linked_keg_record

  old_opt_records.each do |old_opt_record|
    old_opt_record.delete if old_opt_record.symlink?
    old_opt_record.make_relative_symlink(new_linked_keg_record)
  end
end

#linked_old_linked_kegs ⇒ Array<Keg>

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 'migrator.rb', line 223

def linked_old_linked_kegs
  keg_dirs = []
  keg_dirs += new_cellar.subdirs if new_cellar.exist?
  keg_dirs += old_cellar.subdirs
  kegs = keg_dirs.map { |d| Keg.new(d) }
  kegs.select { |keg| keg.linked? || keg.optlinked? }
end

#lock ⇒ void

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.

This method returns an undefined value.



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# File 'migrator.rb', line 527

def lock
  newname_lock = FormulaLock.new(newname)
  oldname_lock = FormulaLock.new(oldname)
  newname_lock.lock
  oldname_lock.lock
  @newname_lock = T.let(newname_lock, T.nilable(FormulaLock))
  @oldname_lock = T.let(oldname_lock, T.nilable(FormulaLock))
end

#merge_directory(directory) ⇒ void

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.

This method returns an undefined value.

Parameters:



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# File 'migrator.rb', line 296

def merge_directory(directory)
  directory.each_child do |c|
    new_path = new_cellar/c.relative_path_from(old_cellar)

    if c.directory? && !c.symlink? && new_path.exist?
      merge_directory(c)
      c.unlink
    else
      FileUtils.mv(c, new_path)
    end
  end
end

#migrate ⇒ void

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.

This method returns an undefined value.



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# File 'migrator.rb', line 237

def migrate
  oh1 "Migrating formula #{Formatter.identifier(oldname)} to #{Formatter.identifier(newname)}"
  lock
  unlink_oldname
  unlink_newname if new_cellar.exist?
  repin
  move_to_new_directory
  link_oldname_cellar
  link_oldname_opt
  link_newname unless old_linked_kegs.empty?
  update_tabs
  return unless formula.outdated?

  opoo <<~EOS
    #{Formatter.identifier(newname)} is outdated!
    To avoid broken installations, as soon as possible please run:
      brew upgrade
    Or, if you're OK with a less reliable fix:
      brew upgrade #{newname}
  EOS
rescue Interrupt
  Utils::Interrupts.ignore { backup_oldname }
# Any exception means the migration did not complete.
rescue Exception => e # rubocop:disable Lint/RescueException
  onoe "The migration did not complete successfully."
  puts e
  if debug?
    require "utils/backtrace"
    puts Utils::Backtrace.clean(e)
  end
  puts "Backing up..."
  Utils::Interrupts.ignore { backup_oldname }
ensure
  unlock
end

#move_to_new_directory ⇒ void

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.

This method returns an undefined value.

Move everything from Cellar/oldname to Cellar/newname.



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# File 'migrator.rb', line 311

def move_to_new_directory
  return unless old_cellar.exist?

  if new_cellar.exist?
    conflicted = remove_conflicts(old_cellar)
    odie "Remove #{new_cellar} and #{old_cellar} manually and run `brew reinstall #{newname}`." if conflicted
  end

  oh1 "Moving #{Formatter.identifier(oldname)} versions to #{new_cellar}"
  if new_cellar.exist?
    merge_directory(old_cellar)
  else
    FileUtils.mv(old_cellar, new_cellar)
  end
end

#pinned? ⇒ 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 'migrator.rb', line 232

def pinned?
  @pinned
end

#remove_conflicts(directory) ⇒ 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.

Parameters:

  • directory (T.untyped)

Returns:

  • (Boolean) 


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# File 'migrator.rb', line 274

def remove_conflicts(directory)
  conflicted = T.let(false, T::Boolean)

  directory.each_child do |c|
    if c.directory? && !c.symlink?
      conflicted ||= remove_conflicts(c)
    else
      next unless (new_cellar/c.relative_path_from(old_cellar)).exist?

      begin
        FileUtils.rm_rf c
      rescue Errno::EACCES
        conflicted = true
        onoe "#{new_cellar/c.basename} already exists."
      end
    end
  end

  conflicted
end

#repin ⇒ void

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.

This method returns an undefined value.



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# File 'migrator.rb', line 328

def repin
  return unless pinned?

  old_pin_link_record = self.old_pin_link_record
  return unless old_pin_link_record

  # `old_pin_record` is a relative symlink and when we try to read it
  # from <dir> we actually try to find file
  # <dir>/../<...>/../Cellar/name/version.
  # To repin formula we need to update the link thus that it points to
  # the right directory.
  #
  # NOTE: `old_pin_record.realpath.sub(oldname, newname)` is unacceptable
  # here, because it resolves every symlink for `old_pin_record` and then
  # substitutes oldname with newname. It breaks things like
  # `Pathname#make_relative_symlink`, where `Pathname#relative_path_from`
  # is used to find the relative path from source to destination parent
  # and it assumes no symlinks.
  src_oldname = (old_pin_record.dirname/old_pin_link_record).expand_path
  new_pin_record.make_relative_symlink(src_oldname.sub(oldname, newname))
  old_pin_record.delete
end

#unlink_newname ⇒ void

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.

This method returns an undefined value.



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# File 'migrator.rb', line 361

def unlink_newname
  oh1 "Temporarily unlinking #{Formatter.identifier(newname)}"
  new_cellar.subdirs.each do |d|
    keg = Keg.new(d)
    keg.unlink(verbose: verbose?)
  end
end

#unlink_oldname ⇒ void

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.

This method returns an undefined value.



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# File 'migrator.rb', line 352

def unlink_oldname
  oh1 "Unlinking #{Formatter.identifier(oldname)}"
  old_cellar.subdirs.each do |d|
    keg = Keg.new(d)
    keg.unlink(verbose: verbose?)
  end
end

#unlink_oldname_cellar ⇒ void

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.

This method returns an undefined value.

Remove Cellar/oldname link if it belongs to newname.



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# File 'migrator.rb', line 468

def unlink_oldname_cellar
  if (old_cellar.symlink? && !old_cellar.exist?) ||
     (old_cellar.symlink? && formula.rack.exist? && formula.rack.realpath == old_cellar.realpath)
    old_cellar.unlink
  end
end

#unlink_oldname_opt ⇒ void

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.

This method returns an undefined value.

Remove opt/oldname link if it belongs to newname.



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# File 'migrator.rb', line 445

def unlink_oldname_opt
  new_linked_keg_record = self.new_linked_keg_record
  return unless new_linked_keg_record&.exist?

  old_opt_records.each do |old_opt_record|
    next unless old_opt_record.symlink?
    next unless old_opt_record.exist?
    next if new_linked_keg_record.realpath != old_opt_record.realpath

    old_opt_record.unlink
    Utils::Path.rmdir_if_possible(old_opt_record.parent)
  end
end

#unlock ⇒ void

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.

This method returns an undefined value.



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# File 'migrator.rb', line 537

def unlock
  @newname_lock&.unlock
  @oldname_lock&.unlock
end

#update_tabs ⇒ void

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.

This method returns an undefined value.

After migration every INSTALL_RECEIPT.json has the wrong path to the formula so we must update INSTALL_RECEIPTs.



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# File 'migrator.rb', line 435

def update_tabs
  new_tabs = new_cellar.subdirs.map { |d| Keg.new(d).tab }
  new_tabs.each do |tab|
    tab.source["path"] = formula.path.to_s if tab.source["path"]
    tab.write
  end
end