Sharp.Augeas/Sharp.Augeas.Test/lens/up2date.aug

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2022-11-08 20:57:02 +03:00
(*
Module: Up2date
Parses /etc/sysconfig/rhn/up2date
Author: Raphael Pinson <raphink@gmail.com>
About: Reference
This lens tries to keep as close as possible to `man 5 up2date` where possible.
About: License
This file is licenced under the LGPLv2+, like the rest of Augeas.
About: Lens Usage
To be documented
About: Configuration files
This lens applies to /etc/sysconfig/rhn/up2date. See <filter>.
About: Examples
The <Test_Up2date> file contains various examples and tests.
*)
module Up2date =
autoload xfm
(************************************************************************
* Group: USEFUL PRIMITIVES
*************************************************************************)
(* Variable: key_re *)
let key_re = /[^=# \t\n]+/
(* Variable: value_re *)
let value_re = /[^ \t\n;][^\n;]*[^ \t\n;]|[^ \t\n;]/
(* View: sep_semi *)
let sep_semi = Sep.semicolon
(************************************************************************
* Group: ENTRIES
*************************************************************************)
(* View: single_entry
key=foo *)
let single_entry = [ label "value" . store value_re ]
(* View: multi_empty
key=; *)
let multi_empty = sep_semi
(* View: multi_value
One value in a list setting *)
let multi_value = [ seq "multi" . store value_re ]
(* View: multi_single
key=foo; (parsed as a list) *)
let multi_single = multi_value . sep_semi
(* View: multi_values
key=foo;bar
key=foo;bar; *)
let multi_values = multi_value . ( sep_semi . multi_value )+ . del /;?/ ";"
(* View: multi_entry
List settings go under a 'values' node *)
let multi_entry = [ label "values" . counter "multi"
. ( multi_single | multi_values | multi_empty ) ]
(* View: entry *)
let entry = [ seq "entry" . store key_re . Sep.equal
. ( multi_entry | single_entry )? . Util.eol ]
(************************************************************************
* Group: LENS
*************************************************************************)
(* View: lns *)
let lns = (Util.empty | Util.comment | entry)*
(* Variable: filter *)
let filter = incl "/etc/sysconfig/rhn/up2date"
let xfm = transform lns filter