fleet/orbit/pkg/augeas/lenses/aptsources.aug
2022-12-02 10:19:54 -05:00

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(*
Module: Aptsources
Parsing /etc/apt/sources.list
*)
module Aptsources =
autoload xfm
(************************************************************************
* Group: Utility variables/functions
************************************************************************)
(* View: sep_ws *)
let sep_ws = Sep.space
(* View: eol *)
let eol = Util.del_str "\n"
(* View: comment *)
let comment = Util.comment
(* View: empty *)
let empty = Util.empty
(* View: word *)
let word = /[^][# \n\t]+/
(* View: uri *)
let uri =
let protocol = /[a-z+]+:/
in let path = /\/[^] \t]*/
in let path_brack = /\[[^]]+\]\/?/
in protocol? . path
| protocol . path_brack
(************************************************************************
* Group: Keywords
************************************************************************)
(* View: record *)
let record =
let option_sep = [ label "operation" . store /[+-]/]? . Sep.equal
in let option = Build.key_value /arch|trusted/ option_sep (store Rx.word)
in let options = [ label "options"
. Util.del_str "[" . Sep.opt_space
. Build.opt_list option Sep.space
. Sep.opt_space . Util.del_str "]"
. sep_ws ]
in [ Util.indent . seq "source"
. [ label "type" . store word ] . sep_ws
. options?
. [ label "uri" . store uri ] . sep_ws
. [ label "distribution" . store word ]
. [ label "component" . sep_ws . store word ]*
. del /[ \t]*(#.*)?/ ""
. eol ]
(************************************************************************
* Group: Lens
************************************************************************)
(* View: lns *)
let lns = ( comment | empty | record ) *
(* View: filter *)
let filter = (incl "/etc/apt/sources.list")
. (incl "/etc/apt/sources.list.d/*")
. Util.stdexcl
let xfm = transform lns filter
(* Local Variables: *)
(* mode: caml *)
(* End: *)