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Contents
module RVM
module Shell
module Utility
public
# Takes an array / number of arguments and converts
# them to a string useable for passing into a shell call.
def escape_arguments(*args)
return '' if args.nil?
args.flatten.map { |a| escape_argument(a.to_s) }.join(" ")
end
# Given a string, converts to the escaped format. This ensures
# that things such as variables aren't evaluated into strings
# and everything else is setup as expected.
def escape_argument(s)
return "''" if s.empty?
s.scan(/('+|[^']+)/).map do |section|
section = section.first
if section[0] == ?'
"\\'" * section.length
else
"'#{section}'"
end
end.join
end
# From a command, will build up a runnable command. If args isn't provided,
# it will escape arguments.
def build_cli_call(command, args = nil)
"#{command} #{escape_arguments(args)}".strip
end
end
end
end
Version data entries
107 entries across 107 versions & 2 rubygems