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def cargo_workspace_dependencies(root_dir)
pattern = root_dir.join('crates', '*', 'Cargo.toml').to_s
errors = Dir.glob(pattern).sort.flat_map do |path|
relative = Pathname.new(path).relative_path_from(root_dir).to_s
find_non_workspace_deps(path, relative)
end
return true if errors.empty?
puts 'Found `[dependencies]` / `[dev-dependencies]` entries that do not use `workspace = true`.'
puts 'In a crate `Cargo.toml`, only `name.workspace = true` or `name = { workspace = true, ... }` is allowed:'
errors.each do |err|
puts " #{err}"
end
false
end
def find_non_workspace_deps(path, relative)
errors = []
current_section = nil
File.read(path).each_line.with_index do |raw_line, idx|
stripped = raw_line.chomp.strip
if stripped =~ /\A\[([^\]]+)\]\z/
current_section = $1
next
end
next unless %w[dependencies dev-dependencies build-dependencies].include?(current_section)
next if stripped.empty? || stripped.start_with?('#')
if stripped =~ /\A([A-Za-z0-9_-]+)\.workspace\s*=\s*true\b/
next
elsif stripped =~ /\A([A-Za-z0-9_-]+)\s*=\s*\{(.+)\}\s*\z/
name = $1
inner = $2
next if inner =~ /\bworkspace\s*=\s*true\b/
errors << "#{relative}:#{idx + 1}: `#{name}` does not use `workspace = true`"
elsif stripped =~ /\A([A-Za-z0-9_-]+)\s*=/
name = $1
errors << "#{relative}:#{idx + 1}: `#{name}` does not use `workspace = true`"
end
end
errors
end
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