44 lines
1.4 KiB
Ruby
44 lines
1.4 KiB
Ruby
# typed: strict
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# frozen_string_literal: true
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module Language
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# Helper functions for PHP formulae.
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#
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# @api public
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module PHP
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# Helper module for replacing `php` shebangs.
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module Shebang
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extend T::Helpers
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requires_ancestor { Formula }
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module_function
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# A regex to match potential shebang permutations.
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PHP_SHEBANG_REGEX = %r{^#! ?(?:/usr/bin/(?:env )?)?php( |$)}
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# The length of the longest shebang matching `SHEBANG_REGEX`.
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PHP_SHEBANG_MAX_LENGTH = T.let("#! /usr/bin/env php ".length, Integer)
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# @private
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sig { params(php_path: T.any(String, Pathname)).returns(Utils::Shebang::RewriteInfo) }
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def php_shebang_rewrite_info(php_path)
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Utils::Shebang::RewriteInfo.new(
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PHP_SHEBANG_REGEX,
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PHP_SHEBANG_MAX_LENGTH,
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"#{php_path}\\1",
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)
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end
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sig { params(formula: Formula).returns(Utils::Shebang::RewriteInfo) }
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def detected_php_shebang(formula = T.cast(self, Formula))
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php_deps = formula.deps.select(&:required?).map(&:name).grep(/^php(@.+)?$/)
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raise ShebangDetectionError.new("PHP", "formula does not depend on PHP") if php_deps.empty?
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raise ShebangDetectionError.new("PHP", "formula has multiple PHP dependencies") if php_deps.length > 1
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php_shebang_rewrite_info(Formula[php_deps.first].opt_bin/"php")
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end
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end
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end
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end
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