ruby/rubygems · error · InstallHookError

#{type} hook#{location} failed for #{spec.full_name}

Error message

#{type} hook#{location} failed for #{spec.full_name}

What it means

Error "#{type} hook#{location} failed for #{spec.full_name}" thrown in ruby/rubygems.

Source

Thrown at lib/bundler/source/path/installer.rb:47

            run_hooks(:post_build)
          end

          generate_bin unless spec.executables.empty?

          run_hooks(:post_install)
        end

        private

        def run_hooks(type)
          hooks_meth = "#{type}_hooks"
          return unless Gem.respond_to?(hooks_meth)
          Gem.send(hooks_meth).each do |hook|
            result = hook.call(self)
            next unless result == false
            location = " at #{$1}" if hook.inspect =~ /@(.*:\d+)/
            message = "#{type} hook#{location} failed for #{spec.full_name}"
            raise InstallHookError, message
          end
        end
      end
    end
  end
end

View on GitHub (pinned to 86cbb817a3)

When it happens

Trigger: Thrown at lib/bundler/source/path/installer.rb:47 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of ruby/rubygems@86cbb817a3 (2026-08-23). Data as JSON: /api/errors/6a5fd6622edc79b1. Report an issue: GitHub.