guix-kreyren/gnu/home/services/mcron.scm
Oleg Pykhalov 0e8d2df0f1
Move (gnu home-services) to (gnu home services).
* gnu/home-services.scm (%guix-home-root-directory): Replace
gnu/home-services.scm with "gnu/home/services.scm".
Rename to gnu/home/services.scm.
* gnu/local.mk
(GNU_SYSTEM_MODULES): Rename gnu/home-services.scm to gnu/home/services.scm.
* doc/he-config-bare-bones.scm:
Replace (gnu home-services) with (gnu home services).
* gnu/home.scm: Same.
* gnu/home/services/fontutils.scm: Same.
* gnu/home/services/mcron.scm: Same.
* gnu/home/services/shells.scm: Same.
* gnu/home/services/shepherd.scm: Same.
* gnu/home/services/symlink-manager.scm: Same.
* gnu/home/services/xdg.scm: Same.
* guix/scripts/home.scm: Same.
* guix/self.scm: Same.
2021-10-09 19:24:18 +03:00

116 lines
4.6 KiB
Scheme

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2021 Andrew Tropin <andrew@trop.in>
;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (gnu home services mcron)
#:use-module (gnu packages guile-xyz)
#:use-module (gnu home services)
#:use-module (gnu services shepherd)
#:use-module (gnu home services shepherd)
#:use-module (guix records)
#:use-module (guix gexp)
#:use-module (srfi srfi-1)
#:use-module (ice-9 match)
#:export (home-mcron-configuration
home-mcron-service-type))
;;; Commentary:
;;
;; Service for the GNU mcron cron job manager.
;;
;; Example configuration, the first job runs mbsync once every ten
;; minutes, the second one writes "Mcron service" to ~/mcron-file once
;; every minute.
;;
;; (service home-mcron-service-type
;; (home-mcron-configuration
;; (jobs (list #~(job '(next-minute
;; (range 0 60 10))
;; (lambda ()
;; (system* "mbsync" "--all")))
;; #~(job next-minute-from
;; (lambda ()
;; (call-with-output-file (string-append (getenv "HOME")
;; "/mcron-file")
;; (lambda (port)
;; (display "Mcron service" port)))))))))
;;
;;; Code:
(define-record-type* <home-mcron-configuration> home-mcron-configuration
make-home-mcron-configuration
home-mcron-configuration?
(package home-mcron-configuration-package ; package
(default mcron))
(jobs home-mcron-configuration-jobs ; list of jobs
(default '())))
(define job-files (@@ (gnu services mcron) job-files))
(define shepherd-schedule-action
(@@ (gnu services mcron) shepherd-schedule-action))
(define home-mcron-shepherd-services
(match-lambda
(($ <home-mcron-configuration> mcron '()) ; no jobs to run
'())
(($ <home-mcron-configuration> mcron jobs)
(let ((files (job-files mcron jobs)))
(list (shepherd-service
(documentation "User cron jobs.")
(provision '(mcron))
(modules `((srfi srfi-1)
(srfi srfi-26)
(ice-9 popen) ; for the 'schedule' action
(ice-9 rdelim)
(ice-9 match)
,@%default-modules))
(start #~(make-forkexec-constructor
(list #$(file-append mcron "/bin/mcron") #$@files)
#:log-file (string-append
(or (getenv "XDG_LOG_HOME")
(format #f "~a/.local/var/log"
(getenv "HOME")))
"/mcron.log")))
(stop #~(make-kill-destructor))
(actions
(list (shepherd-schedule-action mcron files)))))))))
(define home-mcron-profile (compose list home-mcron-configuration-package))
(define (home-mcron-extend config jobs)
(home-mcron-configuration
(inherit config)
(jobs (append (home-mcron-configuration-jobs config)
jobs))))
(define home-mcron-service-type
(service-type (name 'home-mcron)
(extensions
(list (service-extension
home-shepherd-service-type
home-mcron-shepherd-services)
(service-extension
home-profile-service-type
home-mcron-profile)))
(compose concatenate)
(extend home-mcron-extend)
(default-value (home-mcron-configuration))
(description
"Install and configure the GNU mcron cron job manager.")))