Contents

# Copyright (c) 2011 Samuel G. D. Williams. <http://www.oriontransfer.co.nz>
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

module RExec
	# Updates the global ENV for the duration of block. Not multi-thread safe.
	def self.env (new_env = nil, &block)
		old_env = ENV.to_hash

		ENV.update(new_env) if new_env

		yield

		ENV.clear
		ENV.update(old_env)
	end
end

Version data entries

13 entries across 13 versions & 1 rubygems

Version	Path
rexec-1.6.3	lib/rexec/environment.rb
rexec-1.6.2	lib/rexec/environment.rb
rexec-1.6.1	lib/rexec/environment.rb
rexec-1.6.0	lib/rexec/environment.rb
rexec-1.5.2	lib/rexec/environment.rb
rexec-1.5.1	lib/rexec/environment.rb
rexec-1.5.0	lib/rexec/environment.rb
rexec-1.4.1	lib/rexec/environment.rb
rexec-1.4.0	lib/rexec/environment.rb
rexec-1.3.0	lib/rexec/environment.rb
rexec-1.2.6	lib/rexec/environment.rb
rexec-1.2.4	lib/rexec/environment.rb
rexec-1.2.3	lib/rexec/environment.rb