Module: OS::Linux::FormulaCellarChecks Private

Included in:
FormulaCellarChecks
Defined in:
extend/os/linux/formula_cellar_checks.rb

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.

Instance Method Summary collapse

Instance Method Details

#binary_program?(file) ⇒ 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.

A position-independent executable is ET_DYN like a shared library. A dynamic one names a loader, as a shared library may, and a static one only carries the PIE flag, so fall back to how the library is named.

Parameters:

Returns:

  • (Boolean) 


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# File 'extend/os/linux/formula_cellar_checks.rb', line 16

def binary_program?(file)
  # Cheapest first: the name, then the ELF header, then its program
  # headers, which are parsed rather than read at a fixed offset.
  return false if valid_library_extension?(file)
  return true if super
  return false unless file.is_a?(ELFShim)

  file.dylib? && (file.interpreter.present? || file.pie?)
end

#valid_library_extension?(filename) ⇒ 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 'extend/os/linux/formula_cellar_checks.rb', line 8

def valid_library_extension?(filename)
  super || filename.basename.to_s.include?(".so.")
end