sitediff version throws error

[mmunz]

Running sitediff version with sitediff 1.1.1 throws an error:

➜ docker run -it evolvingweb/sitediff sitediff version
Traceback (most recent call last):
7: from /usr/local/bundle/bin/sitediff:23:in <main>' 6: from /usr/local/bundle/bin/sitediff:23:in load'
5: from /usr/local/bundle/gems/sitediff-1.1.1/bin/sitediff:12:in <top (required)>' 4: from /usr/local/bundle/gems/thor-0.20.3/lib/thor/base.rb:466:in start'
3: from /usr/local/bundle/gems/thor-0.20.3/lib/thor.rb:387:in dispatch' 2: from /usr/local/bundle/gems/thor-0.20.3/lib/thor/invocation.rb:126:in invoke_command'
1: from /usr/local/bundle/gems/thor-0.20.3/lib/thor/command.rb:27:in run' /usr/local/bundle/gems/sitediff-1.1.1/lib/sitediff/cli.rb:45:in version': undefined method `version' for nil:NilClass (NoMethodError)

[kirk-brown-ew]

What version of Ruby are you using. I've found version 2.7.5 works best for SiteDiff 1.1.1.