Escape pathnames for shell in compare_images.rb [Fixes #527] #603
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Bug
Having namespaced paths with spaces causes the
compare_images.rb
script to hang or fail. This was reported in #527.Example Bad Path in Wraith Config File
This bug is happening because the constructed shell command in
compare_images.rb
does not escape the supplied pathnames resulting in a faultycompare
CLI command.What this PR does
The included changes make the pathname strings escaped for the shell.
This will allow people to use spaces for their named paths and the
compare_images.rb
script can correctly compare the files and generate the diff image.