discourse/lib/plugin_initialization_guard.rb

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# frozen_string_literal: true
def plugin_initialization_guard(&block)
begin
block.call
rescue => error
plugins_directory = Rails.root + 'plugins'
plugin_path = error.backtrace_locations.lazy.map do |location|
Pathname.new(location.absolute_path)
.ascend
.lazy
.find { |path| path.parent == plugins_directory }
end.next
raise unless plugin_path
stack_trace = error.backtrace.each_with_index.inject([]) do |messages, (line, index)|
if index == 0
messages << "#{line}: #{error} (#{error.class})"
else
messages << "\t#{index}: from #{line}"
end
end.reverse.join("\n")
STDERR.puts <<~MESSAGE
#{stack_trace}
** INCOMPATIBLE PLUGIN **
You are unable to build Discourse due to errors in the plugin at
#{plugin_path}
Please try removing this plugin and rebuilding again!
MESSAGE
exit 1
end
end