Class: Cronicle::Utils

Inherits:
Object
  • Object
show all
Defined in:
lib/cronicle/utils.rb

Constant Summary collapse

IPADDR_REGEXP = 
/\A\d+(?:\.\d+){3}\z/

Class Method Summary collapse

Class Method Details

.diff(file1, file2) ⇒ Object 



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# File 'lib/cronicle/utils.rb', line 37

def diff(file1, file2)
  file1 = file1.chomp + "\n"
  file2 = file2.chomp + "\n"
  Diffy::Diff.new(file1, file2).to_s(:text)
end

.regexp_union(list) ⇒ Object 



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# File 'lib/cronicle/utils.rb', line 3

def regexp_union(list)
  return nil if list.nil?
  return list if list.kind_of?(Regexp)

  list = Array(list)
  return nil if list.empty?

  Regexp.union(list.map {|str_or_reg|
    if str_or_reg.kind_of?(Regexp)
      str_or_reg
    else
      /\A#{str_or_reg}\z/
    end
  })
end

.remove_prompt!(str) ⇒ Object 



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# File 'lib/cronicle/utils.rb', line 33

def remove_prompt!(str)
  str.sub!(/\A[^:]*:\s*/, '')
end

.sed_escape(cmd) ⇒ Object 



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# File 'lib/cronicle/utils.rb', line 29

def sed_escape(cmd)
  cmd.gsub('/', '\\/')
end

.short_hostname(hostname) ⇒ Object 



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# File 'lib/cronicle/utils.rb', line 21

def short_hostname(hostname)
  if hostname =~ IPADDR_REGEXP
    hostname
  else
    hostname.split('.').first
  end
end