dev-cmd/sh.rb: non-interactive mode

[maxim-belkin]

• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same change?
• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes? Here's an example.
• Have you successfully run brew style with your changes locally?
• Have you successfully run brew tests with your changes locally?

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1. Enable non-interactive use of brew sh, e.g.:

   brew sh './configure && make && make install'
   # or
   brew sh --cmd='gem install diamond'
2. Protect ENV["VERBOSE"] = "1" with if args.verbose?

[MikeMcQuaid]

Nice idea, good work so far!

[maxim-belkin]

@MikeMcQuaid good to merge?

[MikeMcQuaid]

Last question: wondering if anyone would want to do/add brew sh something.sh in future and, if so, that's what named should be doing and if -c should be doing what --cmd was before (--cmd could always come back as the long option in that case). Sorry that I only just thought of this now 😭

[MikeMcQuaid]

Made one final tweak. Thanks again @maxim-belkin!

[maxim-belkin]

manpages/brew.1 is broken here... Not sure what's causing this

[maxim-belkin]

[<script>] is causing this. 🤔

[maxim-belkin]

I can fix this by adding </script> after <script>

[MikeMcQuaid]

Thanks @maxim-belkin!