Module: Language::Perl::Shebang Private

Includes:
Kernel
Defined in:
language/perl.rb,
language/perl.rbi

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 replacing perl shebangs.

Constant Summary collapse

PERL_SHEBANG_REGEX =

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

A regex to match potential shebang permutations.

%r{^#! ?/usr/bin/(?:env )?perl( |$)}
PERL_SHEBANG_MAX_LENGTH =

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

The length of the longest shebang matching SHEBANG_REGEX.

T.let("#! /usr/bin/env perl ".length, Integer)

Class Method Summary collapse

Methods included from Kernel

#disk_usage_readable, #ensure_executable!, #ensure_formula_installed!, #exec_browser, #exec_editor, #ignore_interrupts, #interactive_shell, #number_readable, #odebug, #odeprecated, #odie, #odisabled, #ofail, #oh1, #oh1_title, #ohai, #ohai_title, #onoe, #opoo, #paths, #pretty_duration, #pretty_installed, #pretty_outdated, #pretty_uninstalled, #quiet_system, #redact_secrets, #redirect_stdout, #require?, #safe_system, #tap_and_name_comparison, #truncate_text_to_approximate_size, #which, #which_all, #which_editor, #with_custom_locale, #with_env, #with_homebrew_path

Class Method Details

.detected_perl_shebang(formula = T.cast(self, Formula)) ⇒ Utils::Shebang::RewriteInfo

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) (defaults to: T.cast(self, Formula))

Returns:

Raises:



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# File 'language/perl.rb', line 30

def detected_perl_shebang(formula = T.cast(self, Formula))
  perl_deps = formula.declared_deps.select { |dep| dep.name == "perl" }
  raise ShebangDetectionError.new("Perl", "formula does not depend on Perl") if perl_deps.empty?

  perl_path = if perl_deps.any? { |dep| !dep.uses_from_macos? || !dep.use_macos_install? }
    Formula["perl"].opt_bin/"perl"
  else
    "/usr/bin/perl#{MacOS.preferred_perl_version}"
  end

  perl_shebang_rewrite_info(perl_path)
end