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(* Module: Tmpfiles Parses systemd tmpfiles.d files Author: Julien Pivotto <roidelapluie@inuits.eu> About: Reference This lens tries to keep as close as possible to `man 5 tmpfiles.d` where possible. 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/tmpfiles.d/*.conf /usr/lib/tmpfiles.d/*.conf and /run/tmpfiles.d/*.conf. See <filter>. About: Examples The <Test_Tmpfiles> file contains various examples and tests. *) module Tmpfiles = autoload xfm (************************************************************************ * Group: USEFUL PRIMITIVES *************************************************************************) (* Group: Comments and empty lines *) (* View: sep_spc Space *) let sep_spc = Sep.space (* View: sep_opt_spc Optional space (for the beginning of the lines) *) let sep_opt_spc = Sep.opt_space (* View: comment Comments *) let comment = Util.comment (* View: empty Empty lines *) let empty = Util.empty (* Group: Lense-specific primitives *) (* View: type One letter. Some of them can have a "+" and all can have a "!". Not all letters are valid. *) let type = /([fFwdDvqQpLcbCxXrRzZtThHaAm]|[AabcLp]\+)!?/ (* View: mode "-", or 3-4 bytes. Optionally starts with a "~". *) let mode = /(-|~?[0-7]{3,4})/ (* View: age "-", or one of the formats seen in the manpage: 10d, 5seconds, 1y5days. optionally starts with a "~'. *) let age = /(-|(~?[0-9]+(s|m|min|h|d|w|ms|us|((second|minute|hour|day|week|millisecond|microsecond)s?))?)+)/ (* View: argument The last field. It can contain spaces. *) let argument = /([^# \t\n][^#\n]*[^# \t\n]|[^# \t\n])/ (* View: field Applies to the other fields: path, gid and uid fields *) let field = /[^# \t\n]+/ (* View: record A valid record, one line in the file. Only the two first fields are mandatory. *) let record = [ seq "record" . sep_opt_spc . [ label "type" . store type ] . sep_spc . [ label "path" . store field ] . ( sep_spc . [ label "mode" . store mode ] . ( sep_spc . [ label "uid" . store field ] . ( sep_spc . [ label "gid" . store field ] . ( sep_spc . [ label "age" . store age ] . ( sep_spc . [ label "argument" . store argument ] )? )? )? )? )? . Util.comment_or_eol ] (************************************************************************ * Group: THE TMPFILES LENSE *************************************************************************) (* View: lns The tmpfiles lens. Each line can be a comment, a record or empty. *) let lns = ( empty | comment | record ) * (* View: filter *) let filter = incl "/etc/tmpfiles.d/*.conf" . incl "/usr/lib/tmpfiles.d/*.conf" . incl "/run/tmpfiles.d/*.conf" let xfm = transform lns filter (* Local Variables: *) (* mode: caml *) (* End: *)