2024-07-14 00:24:16 +00:00

46 lines
1.7 KiB
Ruby

# typed: strict
# frozen_string_literal: true
require "rubocops/extend/formula_cop"
module RuboCop
module Cop
module FormulaAudit
# This cop makes sure that a formula's file permissions are correct.
class Files < FormulaCop
sig { override.params(formula_nodes: FormulaNodes).void }
def audit_formula(formula_nodes)
return unless file_path
# Codespaces routinely screws up all permissions so don't complain there.
return if ENV["CODESPACES"] || ENV["HOMEBREW_CODESPACES"]
offending_node(formula_nodes.node)
actual_mode = File.stat(file_path).mode
# Check that the file is world-readable.
if actual_mode & 0444 != 0444
problem format("Incorrect file permissions (%03<actual>o): chmod %<wanted>s %<path>s",
actual: actual_mode & 0777,
wanted: "a+r",
path: file_path)
end
# Check that the file is user-writeable.
if actual_mode & 0200 != 0200
problem format("Incorrect file permissions (%03<actual>o): chmod %<wanted>s %<path>s",
actual: actual_mode & 0777,
wanted: "u+w",
path: file_path)
end
# Check that the file is *not* other-writeable.
return if actual_mode & 0002 != 002
problem format("Incorrect file permissions (%03<actual>o): chmod %<wanted>s %<path>s",
actual: actual_mode & 0777,
wanted: "o-w",
path: file_path)
end
end
end
end
end