Class: FormulaPin Private

Inherits:
Object
  • Object
show all
Defined in:
Library/Homebrew/formula_pin.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Helper functions for pinning a formula.

Instance Method Summary collapse

Constructor Details

#initialize(f) ⇒ FormulaPin

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of FormulaPin.


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# File 'Library/Homebrew/formula_pin.rb', line 10

def initialize(f)
  @f = f
end

Instance Method Details

#path ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/formula_pin.rb', line 14

def path
  HOMEBREW_PINNED_KEGS/@f.name
end

#pin ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/formula_pin.rb', line 24

def pin
  pin_at(@f.installed_kegs.map(&:version).max)
end

#pin_at(version) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/formula_pin.rb', line 18

def pin_at(version)
  HOMEBREW_PINNED_KEGS.mkpath
  version_path = @f.rack/version
  path.make_relative_symlink(version_path) unless pinned? || !version_path.exist?
end

#pinnable? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 

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# File 'Library/Homebrew/formula_pin.rb', line 37

def pinnable?
  !@f.installed_prefixes.empty?
end

#pinned? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 

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# File 'Library/Homebrew/formula_pin.rb', line 33

def pinned?
  path.symlink?
end

#pinned_version ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/formula_pin.rb', line 41

def pinned_version
  Keg.new(path.resolved_path).version if pinned?
end

#unpin ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/formula_pin.rb', line 28

def unpin
  path.unlink if pinned?
  HOMEBREW_PINNED_KEGS.rmdir_if_possible
end