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(*
Module: Sysctl
Parses /etc/sysctl.conf and /etc/sysctl.d/*
Author: David Lutterkort <lutter@redhat.com>
About: Reference
About: License
This file is licenced under the LGPL v2+, like the rest of Augeas.
About: Lens Usage
To be documented
About: Configuration files
This lens applies to /etc/sysctl.conf and /etc/sysctl.d/*. See <filter>.
About: Examples
The <Test_Sysctl> file contains various examples and tests.
*)
module Sysctl =
autoload xfm
(* Variable: filter *)
let filter = incl "/boot/loader.conf"
. incl "/etc/sysctl.conf"
. incl "/etc/sysctl.d/*"
. excl "/etc/sysctl.d/README"
. excl "/etc/sysctl.d/README.sysctl"
. Util.stdexcl
(* View: comment *)
let comment = Util.comment_generic /[ \t]*[#;][ \t]*/ "# "
(* View: entry
basically a Simplevars.entry but key has to allow some special chars as '*' *)
let entry =
let some_value = Sep.space_equal . store Simplevars.to_comment_re
(* Rx.word extended by * and : *)
in let word = /[*:\/A-Za-z0-9_.-]+/
(* Avoid ambiguity in tree by making a subtree here *)
in let empty_value = [del /[ \t]*=/ "="] . store ""
in [ Util.indent . key word
. (some_value? | empty_value)
. (Util.eol | Util.comment_eol) ]
(* View: lns
The sysctl lens *)
let lns = (Util.empty | comment | entry)*
let xfm = transform lns filter