ged/rspec-formatter-webkit — pull request #1 by joshsz (2011-11-20 18:16:00+00:00)
Title: Fix for a MatchData issue

I was getting an exception using this formatter:

rspec-formatter-webkit/lib/rspec/core/formatters/webkit.rb:176:in `expand_path': can't convert nil into String (TypeError)
from rspec-formatter-webkit/lib/rspec/core/formatters/webkit.rb:176:in `block in backtrace_line'

The issue (for me at least) was that gsub wasn't matching the line appropriately and wasn't generating the correct MatchData variables ($1, $2).
I fixed the .gsub syntax that was not parsing lines correctly and switched to .match instead, which cleared up my issue.