samueljohn/homebrew — comment on commit 8d820ad5b1f9a53b739ab12a8601eea71598f6c6
File: Library/Formula/vtk.rb line 77
By samueljohn:

But ```ENV['DYLD_LIBRARY_PATH'] = `pwd`.strip + "/build/bin"``` is set a few lines above. I am not such an ruby expert. I thought this would set the DYLD_LIBRARY_PATH to just contain a single entry, or does this code actually _append_ to that ENV variable?