Module: Utils::Shebang Private

Included in:
Formula
Defined in:
Library/Homebrew/utils/shebang.rb

Overview

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

Helper functions for manipulating shebang lines.

Defined Under Namespace

Classes: RewriteInfo

Class Method Summary collapse

Class Method Details

.rewrite_shebang(rewrite_info, *paths) ⇒ Object

Rewrite shebang for the given paths using the given rewrite_info.

Examples:

rewrite_shebang detected_python_shebang, bin/"script.py"

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# File 'Library/Homebrew/utils/shebang.rb', line 30

def rewrite_shebang(rewrite_info, *paths)
  paths.each do |f|
    f = Pathname(f)
    next unless f.file?
    next unless rewrite_info.regex.match?(f.read(rewrite_info.max_length))

    Utils::Inreplace.inreplace f.to_s, rewrite_info.regex, "#!#{rewrite_info.replacement}"
  end
end