Contents

# encoding: UTF-8
# frozen_string_literal: true

# Refinements
# =======================================================================

using NRSER
using NRSER::Types


# Definitions
# =======================================================================

# Helpful and not so helpful things.
# 
module NRSER::Rash::Helpers
  
  include SemanticLogger::Loggable
  
  class << self
    def quote(value)
      double_quote(value)
    end
    alias_method :q, :quote

    # single-quote a string for bash
    # reaplces `'` with `'\''`
    def single_quote(string)
      "'" + string.gsub(/'/, {"'" => "'\\''"}) + "'"
    end
    alias_method :sq, :single_quote

    # double-quote a string for bash
    # replaces `"` with `\"` and `\` with `\\`
    def double_quote(string)
      '"' + string.gsub(/["\\]/, {'"' => '\"', '\\' => '\\\\'}) + '"'
    end
    alias_method :dq, :double_quote

    def block(start, finish, &body)
      $stdout.block start, finish, &body
    end

    def user name = nil, &body
      # if no name is provided, it just means 'not root'
      if name.nil?
        body.() if ENV['USER'] != 'root'
      else
        body.() if ENV['USER'] == name
      end
    end
  end # class << self
end # module NRSER::Rash::Helpers

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
nrser-rash-0.2.3	lib/nrser/rash/helpers.rb
nrser-rash-0.2.2	lib/nrser/rash/helpers.rb
nrser-rash-0.2.1	lib/nrser/rash/helpers.rb
nrser-rash-0.2.0	lib/nrser/rash/helpers.rb