Class: Jets::Util

Inherits:
Object
  • Object
show all
Defined in:
lib/jets/util/yamler.rb,
lib/jets/util.rb

Overview

Named Yamler to make it clear it’s not the YAML class.

Defined Under Namespace

Classes: Yamler

Constant Summary collapse

@@rsync_installed = 
false

Class Method Summary collapse

Class Method Details

.check_rsync_installed! ⇒ Object 



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# File 'lib/jets/util.rb', line 23

def check_rsync_installed!
  return if @@rsync_installed # only check once
  if system "type rsync > /dev/null 2>&1"
    @@rsync_installed = true
  else
    raise Jets::Error.new("Rsync is required. Rsync does not seem to be installed.")
  end
end

.cp_r(src, dest) ⇒ Object 



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# File 'lib/jets/util.rb', line 10

def cp_r(src, dest)
  # Fix for https://github.com/tongueroo/jets/issues/122
  #
  # Using FileUtils.cp_r doesnt work if there are special files like socket files in the src dir.
  # Instead of using this hack https://bugs.ruby-lang.org/issues/10104
  # Using rsync to perform the copy.
  src.chop! if src.ends_with?('/')
  dest.chop! if dest.ends_with?('/')
  check_rsync_installed!
  sh "rsync -a --links --no-specials --no-devices #{Shellwords.escape(src)}/ #{Shellwords.escape(dest)}/", quiet: true
end

.normalize_result(result) ⇒ Object

Make sure that the result is a text.



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# File 'lib/jets/util.rb', line 6

def normalize_result(result)
  JSON.dump(result)
end

.sh(command, quiet: false) ⇒ Object

Raises:



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# File 'lib/jets/util.rb', line 32

def sh(command, quiet: false)
  puts "=> #{command}" unless quiet
  system(command)
  success = $?.success?
  raise Jets::Error.new("Command failed: #{command}") unless success
  success
end