Class: Backup::Environment

Inherits:
Object
  • Object
show all
Defined in:
lib/backup/environment.rb

Overview

Reads and filters the user’s environment variables to meet Ruby and Gem requirements to run the application as a cron job

Constant Summary collapse

VARIABLES =

Contains the environment variable names that are required to run a Ruby application from as a cron job

["RVM_BIN_PATH",
"GEM_HOME",
"SHELL",
"MY_RUBY_HOME",
"USER",
"RVM_PATH",
"RVM_PREFIX",
"PATH",
"RVM_VERSION",
"HOME",
"LOGNAME",
"GEM_PATH",
"RUBY_VERSION"]

Class Method Summary collapse

Class Method Details

.ruby ⇒ Object

Retrieves the environment variables that are required running a Ruby application as a cron job. The variable are returned in an Array



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# File 'lib/backup/environment.rb', line 25

def self.ruby
  file = ".current_environment.tmp"
  system ("env > #{file}")

  lines = []

  File.open(file, 'r') do |f|
    while line = f.gets
      variable = line.chomp.match(/\A\w+(?=\=)/).to_s
      lines << line.chomp if VARIABLES.find_index variable.upcase
    end
  end

  File.delete file

  lines
end