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Versions: 53
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Contents
require 'shellwords'
module Dragonfly
module Shell
include Configurable
configurable_attr :log_commands, false
# Exceptions
class CommandFailed < RuntimeError; end
def run(command, args="")
full_command = "#{command} #{escape_args(args)}"
log.debug("Running command: #{full_command}") if log_commands
begin
result = `#{full_command}`
rescue Errno::ENOENT
raise_shell_command_failed(full_command)
end
if $?.exitstatus == 1
throw :unable_to_handle
elsif !$?.success?
raise_shell_command_failed(full_command)
end
result
end
def raise_shell_command_failed(command)
raise CommandFailed, "Command failed (#{command}) with exit status #{$?.exitstatus}"
end
def escape_args(args)
args.shellsplit.map do |arg|
quote arg.gsub(/\\?'/, %q('\\\\''))
end.join(' ')
end
def quote(string)
q = Dragonfly.running_on_windows? ? '"' : "'"
q + string + q
end
end
end
Version data entries
53 entries across 53 versions & 2 rubygems