Class: FPM::Cookery::Environment

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

Constant Summary collapse

REMOVALS = 
%w(
  BUNDLE_GEMFILE RUBYOPT BUNDLE_BIN_PATH GEM_HOME GEM_PATH
).freeze

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Environment

Returns a new instance of Environment.



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# File 'lib/fpm/cookery/environment.rb', line 10

def initialize
  @env = {}
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/fpm/cookery/environment.rb', line 14

def [](key)
  @env[key.to_s]
end

#[]=(key, value) ⇒ Object 



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# File 'lib/fpm/cookery/environment.rb', line 18

def []=(key, value)
  if value.nil?
    @env.delete(key.to_s)
  else
    @env[key.to_s] = value.to_s
  end
end

#to_hash ⇒ Object 



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# File 'lib/fpm/cookery/environment.rb', line 44

def to_hash
  @env.dup
end

#with_clean ⇒ Object 



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# File 'lib/fpm/cookery/environment.rb', line 26

def with_clean
  saved_env = ENV.to_hash

  REMOVALS.each do |var|
    value = ENV.delete(var)
    Log.debug("Removing '#{var}' => '#{value}' from environment")
  end

  @env.each do |k, v|
    Log.debug("Adding '#{k}' => '#{v}' to environment")
    ENV[k] = v
  end

  yield
ensure
  ENV.replace(saved_env.to_hash)
end