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Make pipeline Proc inspection tolerate unavailable sources #286

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Make pipeline Proc inspection tolerate unavailable sources #286

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a8c6fa6
Debug proc inspection
OskarEichler Aug 28, 2026
691ae22
Read debug source as bytes to handle non-UTF8 Ruby files
OskarEichler Aug 28, 2026
c537eef
Keep the focused fix free of new lint offenses
OskarEichler Aug 28, 2026
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12 changes: 11 additions & 1 deletion lib/representable/debug.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -79,7 +79,17 @@ def _inspect_function(func)
return func.extend(Pipeline::Debug).inspect if func.is_a?(Collect)
return func unless func.is_a?(Proc)

File.readlines(func.source_location[0])[func.source_location[1]-1].match(/^\s+(\w+)/)[1]
location = func.source_location
return func.inspect unless location && location[1] > 0

line = nil
File.open(location[0], "rb") do |file|
location[1].times { break unless (line = file.gets) }
end
name = line && line.match(/^\s*(\w+)/)
name ? name[1] : func.inspect
rescue SystemCallError, IOError
func.inspect
end
end
end