Module: Koch::Helpers

Defined in:
lib/koch/helpers.rb

Overview

A random collection of helpers

Constant Summary collapse

@@dry_run = 
true

Instance Method Summary collapse

Instance Method Details

#debian? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/koch/helpers.rb', line 27

def debian?
  !File.read("/etc/issue").match(/Debian/).nil?
end

#diff(old, new) ⇒ Object 



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# File 'lib/koch/helpers.rb', line 23

def diff(old, new)
  Diffy::Diff.new(old, new, include_diff_info: true, context: 3).to_s(:color).lines[2..].join
end

#maybe(msg_or_cmd) ⇒ Object 



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# File 'lib/koch/helpers.rb', line 10

def maybe(msg_or_cmd)
  if @@dry_run
    info "DRY RUN: #{msg_or_cmd}"
  else
    info msg_or_cmd
    if block_given?
      yield
    else
      system msg_or_cmd, exception: true, err: :out
    end
  end
end

#ubuntu? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/koch/helpers.rb', line 31

def ubuntu?
  !File.read("/etc/issue").match(/Ubuntu/).nil?
end