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Contents
module Vagrant
module Util
module Remote
module SafePuts
# The SafePuts module is included in a few different places to
# provide a safe_puts method which does not error in the case that
# stdout is closed.
#
# When we are in remote mode, stdout is in fact closed as all I/O
# is happening over an RPC interface. Instead of having safe_puts
# just swallow output every time it's called, we want it to send
# the message somewhere it will eventually be output.
#
# To do this, we need to do some reflection to figure out what gets us
# to a UI::Remote.
def safe_puts(message=nil, opts=nil)
# When we're in a Command context, we can get a UI::Remote from the
# Environment
if instance_variable_defined?(:@env)
@env.ui.output(message)
else
raise "Cannot safe_puts in remote mode from #{self.class}; Remote::SafePuts must be updated to handle this context"
end
end
end
end
end
end
Version data entries
4 entries across 4 versions & 2 rubygems