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End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

class method

Gem.pre_uninstall

pre_uninstall(&hook)

Adds a pre-uninstall hook that will be passed an Gem::Uninstaller instance and the spec that will be uninstalled when Gem::Uninstaller#uninstall is called

See also .pre_reset .read_binary .pre_install .refresh also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1