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Size: 1.09 KB
Versions: 20
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Stored size: 1.09 KB
Contents
require 'English'
class ImageOptim
# Helper for running commands
module Cmd
class << self
# Run using `system`
# Return success status
# Will raise SignalException if process was interrupted
def run(*args)
success = system(*args)
check_status!
success
end
# Run using backtick
# Return captured output
# Will raise SignalException if process was interrupted
def capture(cmd)
output = `#{cmd}`
check_status!
output
end
private
def check_status!
status = $CHILD_STATUS
return unless status.signaled?
# jruby incorrectly returns true for `signaled?` if process exits with
# non zero status. For following code
#
# `sh -c 'exit 66'`
# p [$?.signaled?, $?.exitstatus, $?.termsig]
#
# jruby outputs `[true, 66, 66]` instead of expected `[false, 66, nil]`
return if defined?(JRUBY_VERSION) && status.exitstatus == status.termsig
fail SignalException, status.termsig
end
end
end
end
Version data entries
20 entries across 20 versions & 2 rubygems