Move remaining `undef` use in OS extensions to `prepend` · Homebrew/brew@0855d7c

Run brew tests: home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/test/support/helper/spec/shared_examples/formulae_exist.rb#L5

RuboCop::Cop::FormulaAudit::ProvidedByMacos zlib formula exists Skipped: Requires homebrew/core to be tapped.

Run brew tests: home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/test/support/helper/spec/shared_examples/formulae_exist.rb#L5

RuboCop::Cop::FormulaAudit::ProvidedByMacos pod2man formula exists Skipped: Requires homebrew/core to be tapped.

Run brew tests: home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/test/support/helper/spec/shared_examples/formulae_exist.rb#L5

RuboCop::Cop::FormulaAudit::ProvidedByMacos berkeley-db formula exists Skipped: Requires homebrew/core to be tapped.

Run brew tests: home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/test/support/helper/spec/shared_examples/formulae_exist.rb#L5

RuboCop::Cop::FormulaAudit::ProvidedByMacos libxml2 formula exists Skipped: Requires homebrew/core to be tapped.

Run brew tests: home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/test/support/helper/spec/shared_examples/formulae_exist.rb#L5

RuboCop::Cop::FormulaAudit::ProvidedByMacos swift formula exists Skipped: Requires homebrew/core to be tapped.

Run brew tests: home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/test/support/helper/spec/shared_examples/formulae_exist.rb#L5

RuboCop::Cop::FormulaAudit::ProvidedByMacos cyrus-sasl formula exists Skipped: Requires homebrew/core to be tapped.

Run brew tests: home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/test/support/helper/spec/shared_examples/formulae_exist.rb#L5

RuboCop::Cop::FormulaAudit::ProvidedByMacos ncurses formula exists Skipped: Requires homebrew/core to be tapped.

Run brew tests: home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/test/support/helper/spec/shared_examples/formulae_exist.rb#L5

RuboCop::Cop::FormulaAudit::ProvidedByMacos bison formula exists Skipped: Requires homebrew/core to be tapped.

Run brew tests: home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/test/support/helper/spec/shared_examples/formulae_exist.rb#L5

RuboCop::Cop::FormulaAudit::ProvidedByMacos flex formula exists Skipped: Requires homebrew/core to be tapped.

Run brew tests: home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/test/support/helper/spec/shared_examples/formulae_exist.rb#L5

RuboCop::Cop::FormulaAudit::ProvidedByMacos libarchive formula exists Skipped: Requires homebrew/core to be tapped.

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