Module: Terrafile::Helper

Defined in:
lib/terrafile/helper.rb

Class Method Summary collapse

Class Method Details

.clone(source, destination) ⇒ Object 



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# File 'lib/terrafile/helper.rb', line 28

def self.clone(source, destination)
  run!("git clone #{source} #{destination} 1> /dev/null")
end

.dir_exists?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/terrafile/helper.rb', line 32

def self.dir_exists?(path)
  Dir.exist?(path)
end

.file_exists?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/terrafile/helper.rb', line 36

def self.file_exists?(path)
  File.exist?(path)
end

.pull_repo ⇒ Object 



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# File 'lib/terrafile/helper.rb', line 46

def self.pull_repo
  run!('git pull 1> /dev/null')
end

.repo_up_to_date?(version) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/terrafile/helper.rb', line 40

def self.repo_up_to_date?(version)
  current_tag = run_with_output('git describe --tags').tr("\n", '')
  current_hash = run_with_output('git rev-parse HEAD').tr("\n", '')
  [current_tag, current_hash].include? version
end

.run!(command) ⇒ Object 



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# File 'lib/terrafile/helper.rb', line 3

def self.run!(command)
  begin
    _stdout, stderr, status = Open3.capture3(command)
  rescue Errno::ENOENT => error
    raise Error, "'#{command}' failed (#{error})"
  end

  unless status.success?
    raise Error, "'#{command}' failed with exit code #{status.exitstatus} " \
                    "(#{stderr.chomp})"
  end

  true
end

.run_with_output(command) ⇒ Object 



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# File 'lib/terrafile/helper.rb', line 18

def self.run_with_output(command)
  begin
    stdout, _stderr, _status = Open3.capture3(command)
  rescue Errno::ENOENT => error
    raise Error, "'#{command}' failed (#{error})"
  end

  stdout.chomp
end