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module Facter module Core module Execution class Posix < Facter::Core::Execution::Base DEFAULT_SEARCH_PATHS = ['/sbin', '/usr/sbin'].freeze def search_paths # Make sure custom_facts is usable even for non-root users. Most commands # in /sbin (like ifconfig) can be run as non privileged users as # long as they do not modify anything - which we do not do with custom_facts ENV['PATH'].split(File::PATH_SEPARATOR) + DEFAULT_SEARCH_PATHS end def which(bin) if absolute_path?(bin) return bin if File.executable?(bin) && FileTest.file?(bin) else search_paths.each do |dir| dest = File.join(dir, bin) return dest if File.executable?(dest) && FileTest.file?(dest) end end nil end ABSOLUTE_PATH_REGEX = %r{^/}.freeze def absolute_path?(path) !!(path =~ ABSOLUTE_PATH_REGEX) end DOUBLE_QUOTED_COMMAND = /\A"(.+?)"(?:\s+(.*))?/.freeze SINGLE_QUOTED_COMMAND = /\A'(.+?)'(?:\s+(.*))?/.freeze def expand_command(command) exe = nil args = nil if (match = (command.match(DOUBLE_QUOTED_COMMAND) || command.match(SINGLE_QUOTED_COMMAND))) exe, args = match.captures else exe, args = command.split(/ /, 2) end return unless exe && (expanded = which(exe)) expanded = "'#{expanded}'" if expanded =~ /\s/ expanded << " #{args}" if args expanded end end end end end
Version data entries
17 entries across 17 versions & 1 rubygems