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# File 'lib/bringit/popen.rb', line 8
def self.popen(cmd, path = nil, vars = {})
unless cmd.is_a?(Array)
raise 'System commands must be given as an array of strings'
end
path ||= Dir.pwd
vars = vars.dup
vars['PWD'] = path
options = {chdir: path}
FileUtils.mkdir_p(path) unless File.directory?(path)
cmd_output = ''
cmd_status = 0
Open3.popen3(vars, *cmd, options) do |stdin, stdout, stderr, wait_thr|
yield(stdin) if block_given?
stdin.close
cmd_output += stdout.read
cmd_output += stderr.read
cmd_status = wait_thr.value.exitstatus
end
[cmd_output, cmd_status]
end
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