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Contents
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